SHARP |
GENERAL |
Drum Won't Spin |
Rubber "o"ring Loose Inside Remove Head Drum Assy And Remove .....Don't Force.... |
SHARP |
VC200 |
Mode Cogs Go Out Of Alignment. |
Pin Missing In Brake Slide. |
SHARP |
VC2300 |
Drum Rotates Very Fast At All Times Operate Is On. |
Suspect Ic706, M51724p, On Servo Pcb. |
SHARP |
VC2300 |
Machine Dead With Tape In Laced Up Position. |
Check Q914 (2sa770) On Servo Board O/c. |
SHARP |
VC2300 |
No Capstan Drive |
L701 O/c Servo Pcb Rtrnz0012gezz |
SHARP |
VC2300 |
No Capstan Drive. |
L701 O/c On Servo Pcb. Pt No: Rtnz0012gezz. |
SHARP |
VC2300 |
No Power Ac Adaptor Fails |
Q3 Q4 2sc2826 |
SHARP |
VC2300 |
No Power, Ac Adaptor Fails. |
Q3 And Q4. 2sc2826 Use Original Parts. |
SHARP |
VC2300 |
Pause, Stop & Record Leds All Lit. With No Deck Functions. |
Check Ic807 By Replacement. Check Loading Motor Chip Ic808 And Loading Motor Should Draw 100ma. |
SHARP |
VC2300 |
Problems With Rewind |
Change Reel Motor. |
SHARP |
VC2300 |
Sound Fluctuating |
Check Capstan Motor Faulty. |
SHARP |
VC330 |
Poor Wind And Rewind Playback Ok. |
Check Aux. Brake Not Releasing Because Ic901 Faulty. |
SHARP |
VC330 |
Reel And Capstan Motors Going Backwards. |
Change Ic711 |
SHARP |
VC3300 |
No Channel Indicator, No Go. |
No 12v At Tp901. Check Q904, Q902, Q903, On Pwb-p. |
SHARP |
VC3300 |
No Tuner Function And Channel Indicators Not Functioning. |
Replaced Transistor Q904 And C903 On Pwb-p. |
SHARP |
VC3300 |
Reel Motor Too Fast Causing Tape Speed To Increase. |
Q863 Shorted, Also Replace Reel Motor If "02" Type. |
SHARP |
VC3300 |
Tuner Faulty, Wont Tune In Stations. |
Check For 31.5v On Pin 5 Of Plug Ic. If Faulty Check Function Of Zener Ic201, Ix0037ce, On Pwb-1. |
SHARP |
VC3300 |
Won't Tune Stations. |
Ic201 (31v Zener) Rhix0037cezz. |
SHARP |
VC381 |
Audio Low Volume. |
Change D606 Leaky Is119. |
SHARP |
VC381 |
Cassette Door Opens Only Half Way On Eject. |
Lid Lever Angle Assembly Bent. Rebend To Work. |
SHARP |
VC381 |
Clock Will Not Reset. |
Change Mp2812 Under Display Panel. |
SHARP |
VC381 |
Dew Sensor Problems |
Change R801 47k Ohms With 470k |
SHARP |
VC381 |
Drum Servo Faulty On Record |
Q702,q703 Buffer Osl 2sa945 |
SHARP |
VC381 |
F901 Or F902 Blows, Int Failure To Rewind Int Tape Spillage |
Check Worn Idler If Ok Reel Motor Suspect. |
SHARP |
VC381 |
Intermittent Or No Eject. |
Ic803 (m54532p) |
SHARP |
VC381 |
Intermittently Stopping On Play Or Rec., Chewing Tapes. |
Change Reel Idler Or Reel Motor (commonly Intermittent In Operation). |
SHARP |
VC381 |
Low Audio |
D606 Leaky Iss119 |
SHARP |
VC381 |
No Capstan Drive In Record Mode. |
D612 On Audio Board Pwb-b Measures Ok But Is Leaky. Is119. |
SHARP |
VC381 |
No Chroma In Rec Or Pb |
Fl501 Rmptd0131gezz |
SHARP |
VC381 |
No Colour On Play Or Record. |
Fl501 (rmptdo131gezz). Also Check Fl503 |
SHARP |
VC381 |
No Eject. |
Change Ic803 (vhim54532p/-1) |
SHARP |
VC381 |
No Functions 4 Amp Fuse Blown. |
Check 12 Volt Supply If High (18v) Reg Transistor S/c. make Sure Replacement Is Mounted Correctly On Heatsink (original Is Not). |
SHARP |
VC381 |
No Go - 2.5 Amp. Powerfuse Blown. |
Check/ Replace Reel Motor - Always Change Reel Motors With Type Numbers Ending In 02. |
SHARP |
VC381 |
No Replay Audio Ee Audio Ok |
C621 S/cct (100uf 25v) |
SHARP |
VC381 |
No Video On E-r Mode. |
Check Ic309 For O/c - Or C206 For S/c. |
SHARP |
VC381 |
No Video On Playback |
Change Ic308. |
SHARP |
VC381 |
Not Erasing Previous Audio Track. |
Audio Cable Shorted Under Plastic Tie Near Audio/ctl Head. |
SHARP |
VC381 |
Picture Rolling On E-e And Record. |
Change C438 47 Mfd, C439 (nearly O/c). If Ok Check Around Ic201 And Ic402. |
SHARP |
VC381 |
Playback In Colour Will Not Record In Colour. |
Check Fl503. The Down Converted Signal Should Be 500 millivolt P-p On Pin 1 Of Colour I.C. The Carrier Signal Should Be 500 Millivolt P-p At Pin 28. |
SHARP |
VC381 |
Remote Erratic. |
C811 (.01 Uf) Leaky. |
SHARP |
VC381 |
When Play Is Selected Squeaking From Head Drum, Then Stops. |
Change Reel Idler |
SHARP |
VC381 |
When Record Is Selected Machine Fails To Stay In Record. |
Check T/u Reel Not Turning In Record Mode. Playback Ok. Change Ic7754. |
SHARP |
VC381 |
When Replacing Cass Lamp, To Check Correct One Is Fitted. . |
Check Voltage R872-5. Check Voltage On Point Where Ic802 And R872-5 Connect, Should Be 8 Volts If Lower Wrong Cass Bulb Has Been Used. |
SHARP |
VC381 |
Will Inject And Eject Tapes Ok, Tuner Ok, No Functions. |
Check Cass Lamp, Should Be On At All Times. If Not, Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
SHARP |
VC381X |
No Record Colour. |
Replaced Filter Fl503. |
SHARP |
VC381X |
Take Up Spool Not Rotating In Record. Ok In Playback. |
Change Ic7754. |
SHARP |
VC381X |
When Pic. Search Is Selec. Mach. F/f Or Rew. |
Check For 9.9v On Pin 32 Of Ic801. Change Ic801, D7758 If Still Present Check Ic805 And Ic806 If Ok Check Pins 1,4,5 Of 17754 Go High In Search Mode And Pins 12, 13, 16 Go Low. If D7753 Cathode Is Not High At This Time, Change Q7751 If Pin 59 Of Ic801 Do |
SHARP |
VC383 |
Intermittently Stopping On Play Or Rec., Chewing Tapes. |
Change Reel Idler Or Reel Motor (commonly Intermittent In Operation). |
SHARP |
VC383 |
Low T/u Torque. |
Adjust R7765 "tu Torque". |
SHARP |
VC383 |
No Video On E-r Mode. |
Check Ic309 For O/c - Or C206 For S/c. |
SHARP |
VC383 |
No Video On Playback |
Change Ic308. |
SHARP |
VC383 |
Refer Vc381 |
|
SHARP |
VC383 |
Self Rec. Tapes, Band Few Lines Deep,third Way Down. |
Check Record Switching Monostable Faulty, Check C714 And Reel Motor And Idler. |
SHARP |
VC383 |
Will Inject And Eject Tapes Ok, Tuner Ok, No Functions. |
Check Cass Lamp, Should Be On At All Times. If Not, Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
SHARP |
VC386 |
Audio Click In P/back. Usually Only 1 Channel. |
Rh-1z0038ge. Need Switch Ic Audio. |
SHARP |
VC386 |
Audio Low On One Channel |
Replace Ic651 Rh1z0038gezz |
SHARP |
VC386 |
Audio Low On One Channel Of Own Record. |
Change Ic Rh120038gezz. |
SHARP |
VC386 |
Audio Low On One Channel. |
Replace Ic651 (rh1z0038gezz). |
SHARP |
VC386 |
Blank Screen On Play And Tuner. |
L 409 (220 Uh) On Video Pcb. |
SHARP |
VC386 |
Blank Screen On Play Or E-e. |
No 12v On Pin5 Of Ic402. Check L407, L409 On Video Pcb. |
SHARP |
VC386 |
Capstan Fails To Start |
D6605 |
SHARP |
VC386 |
Clock Flashes & Returns To Ch1, As If Power Was Interrupted |
Replace All Electro's In Psu. |
SHARP |
VC386 |
Clock Flashes And Resets To Ch1 As If Lost Power |
Replace All Electros In Psu, Specifically C16 (10uf 50v) |
SHARP |
VC386 |
Drum Rotating Too Fast. |
Chek C710 S/c. |
SHARP |
VC386 |
Flickering Colour |
Fl503 Rmptd0052gezz |
SHARP |
VC386 |
Flickering Colour. |
Fl503 (rmptd0052gezz). |
SHARP |
VC386 |
Flickering Colour. |
Change Filter Fl503. Rmpdt0052gezz. |
SHARP |
VC386 |
Int No Function Of Channel Change. |
Check For D/j On Socket Ta On Pwb. |
SHARP |
VC386 |
Interm. Colour In P/back Or Rec. No Colour In P/back Rec. |
Replace Fl503. |
SHARP |
VC386 |
Intermittently Stopping On Play Or Rec., Chewing Tapes. |
Change Reel Idler Or Reel Motor (commonly Intermittent In Operation). |
SHARP |
VC386 |
Low Sound |
Q6601 (bc337) Pin 3 Bi 8.5 Volts. |
SHARP |
VC386 |
No Colour In Record |
Ic501 Ha11781nt, Fl503 Rmptd0052gezz |
SHARP |
VC386 |
No Colour On Record. |
Ic501 (ha11781nt) Or Fl503 (rmptdoo52gezz) |
SHARP |
VC386 |
No Picture In Pb Or Ee |
L409 220µh ,l407 On Video Pcb.Check 12v Pin 5 Ic402 |
SHARP |
VC386 |
No Power And Audio Pcb |
Check C/protector On M/board Near Traking Controll (12v) |
SHARP |
VC386 |
No Video On E-r Mode. |
Check Ic309 For O/c - Or C206 For S/c. |
SHARP |
VC386 |
No Video On Playback |
Change Ic308. |
SHARP |
VC386 |
Poor Colour Saturation On Still Of Pre-recorded Tapes. |
Change R429 To 1k Ohm On Y/c Pcb. |
SHARP |
VC386 |
Traking Control No Effect. |
Traking Control O/c. |
SHARP |
VC386 |
Tuning Drift All Channels. |
Check D1430 On Tuning Board Leaky. Also D1425 - 1444. |
SHARP |
VC386 |
Tuning Drift. |
Check Pr01 Regulator Also Ic1403 Or Int Tuning Pots. |
SHARP |
VC386 |
Will Inject And Eject Tapes Ok, Tuner Ok, No Functions. |
Check Cass Lamp, Should Be On At All Times. If Not, Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
SHARP |
VC386.. |
No/int Reel Drive. |
Ic705 Ta7267p. |
SHARP |
VC387 |
Faulty Audio |
Protector Ic619 On Audio Pcb O/c Icp-n10 |
SHARP |
VC387 |
Faulty Audio. |
Protector Ic619 On Audio Pcb O/c. Icp-n10. |
SHARP |
VC387 |
Intermittently Stopping On Play Or Rec., Chewing Tapes. |
Change Reel Idler Or Reel Motor (commonly Intermittent In Operation). |
SHARP |
VC387 |
No Drum Rotation. |
14 Volt Supply Fuse O/c Not Shown On Cct. |
SHARP |
VC387 |
No Power On, Clock Ok. |
Check For 9 Volt On Pin 64 Of Ic801, If Not, Look For O/c Semiconductor Fuse Not Shown On Cct. |
SHARP |
VC387 |
No Tuner, Blank Screen. |
Check R954 (2.2 Ohm) And Check Q953, Q954, And Electro's In Psu. |
SHARP |
VC387 |
No Tuner. Blank Screen |
Check R954 2.2 O Q953 Q956, Q955 & Electros In Psu |
SHARP |
VC387 |
No Video On E-r Mode. |
Check Ic309 For O/c - Or C206 For S/c. |
SHARP |
VC387 |
No Video On Playback |
Change Ic308. |
SHARP |
VC387 |
Will Inject And Eject Tapes Ok, Tuner Ok, No Functions. |
Check Cass Lamp, Should Be On At All Times. If Not, Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
SHARP |
VC387 |
Won't Operate. |
Protector Ic815 On Mecha Cont Pcb. Icp-n5. |
SHARP |
VC387 |
Wont Operate |
Proctector Ic815 Icpn10 Mecha Pcb |
SHARP |
VC388 |
Intermittently Stopping On Play Or Rec., Chewing Tapes. |
Change Reel Idler Or Reel Motor (commonly Intermittent In Operation). |
SHARP |
VC388 |
No Colour In Play |
Replace X502 4.433 Mhz Adjust |
SHARP |
VC388 |
No Colour On Play. |
Replace 4.433 Xtal. (x502) - Adjust Frequency. |
SHARP |
VC388 |
No Functions. |
Check Q5002 S/c Because Ic15002 S/c. |
SHARP |
VC388 |
No Go |
Q1 2sc2625, Ic1 Pc511n |
SHARP |
VC388 |
No Power. No Clock. No Functions |
Q5002 O/c No +5v Rail. Aprox Load Current 90-100 Ma |
SHARP |
VC388 |
No Video On E-r Mode. |
Check Ic309 For O/c - Or C206 For S/c. |
SHARP |
VC388 |
No Video On Playback |
Change Ic308. |
SHARP |
VC388 |
Power No Go. |
Q1 (2sc2625) And Ic1 (pc511n). |
SHARP |
VC388 |
Power Supply Faulty After Fitting A New Capstan Motor. |
Check: Q1 (2sc2625) Chopper Ic1 Pc511n. Also Change C7022 To (1 Mfd 50v) R7040 To (27k Ohms) |
SHARP |
VC388 |
Power Supply Wont Start Reliably |
Reduce Value Of R32/r57 To 27r Instead Of 54r |
SHARP |
VC388 |
Snowy Or Flyscreen Effect On Own Reccording. |
Reduce Chroma Record Current. |
SHARP |
VC388 |
Will Inject And Eject Tapes Ok, Tuner Ok, No Functions. |
Check Cass Lamp, Should Be On At All Times. If Not, Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
SHARP |
VC388 |
Won't Load Tape. |
I 806 (s16900a). |
SHARP |
VC388 |
Wont Load |
Ic806 Si6900a |
SHARP |
VC390 |
Black Streaks In Playback |
Heads Ok, Check 3.8 Mhz Oscillator Is Not Running At 5 Mhz.. C227 Intermintant Replace. Readjusting Will Not Repair The Fault |
SHARP |
VC390 |
Int Wont Record Picture |
Q204, Q205 2sa733 |
SHARP |
VC390 |
Intermittently Stopping On Play Or Rec., Chewing Tapes. |
Change Reel Idler Or Reel Motor (commonly Intermittent In Operation). |
SHARP |
VC390 |
Locked In Lp Or Sp Frontpanel Ctrl Won't Affect. |
Check Sw8001 And Sw8002 Are Inthe Mid Position. |
SHARP |
VC390 |
Looks Like Video Heads, Black Streaky Lines In Playback |
Replacing Heads Didnt Fix . The Problem Was The 3.8 Mhz Fm Oscillator Was Running Naer 5mhz. Trimmer Cap C227 Intermittent. Readjusting It Worked, But It Has To Be Replaced. to Adjust The Free-run Freq, Put Vcr In Line In Mode And Place A Frequency Coun |
SHARP |
VC390 |
No Picture In Play |
Ic308 Protector Icp N10 |
SHARP |
VC390 |
No Video On E-e Mode. |
Check Ic309 For O/c - Or C206 For S/c. |
SHARP |
VC390 |
No Video On Playback. |
Change Ic308. |
SHARP |
VC390 |
Poor Record Looks Like Stuffed Heads. |
C227 Possibly Faulty( Fm Freq) Adjust And Return To Previous Setting To Check. |
SHARP |
VC390 |
Poor Recording |
Ry301 Contacts Dirty - Clean And Replace. |
SHARP |
VC390 |
Shuts Down After 30 Mins. |
Replace C12 In Power Supply 220uf 16v |
SHARP |
VC390 |
White Lines/dots In Play |
C17 220µf/16v In Psu |
SHARP |
VC390 |
Will Inject And Eject Tapes Ok, Tuner Ok, No Functions. |
Check Cass Lamp, Should Be On At All Times. If Not, Check Cass Down Switch Bent Or Faulty, Repair Or Replace. |
SHARP |
VC390 |
Will Not Eject Tape. |
Check Lever On Rhs Of Eject Mechanisim Activates Micro Switch Clean And Service. |
SHARP |
VC468 |
Int Picture Rolling On Playback. |
Check R743 Has No Effect If So C725 Gone O/c. |
SHARP |
VC481 |
Capstan Fails To Start |
Mode Switch |
SHARP |
VC481 |
Capstan Fails To Start. |
Mode Switch. Qsw-r0010gezz. |
SHARP |
VC481 |
Capstan Slow In Play/rec |
D742 Servo Pcb |
SHARP |
VC481 |
Capstan Slow In Play/rec. |
D742 On Servo Pcb. |
SHARP |
VC481 |
Capstan Unlocked. |
Check Tracking Control For Dry Joints. |
SHARP |
VC481 |
Capstan Won't Lock Even After Replacing, Motor, Bearing, And Doing A Lock Adjustment. |
Check For Spikes On Control Track Signal. If So Replace Capstan Servo Chip(ic702) |
SHARP |
VC481 |
Cassette Inject Faulty. |
Won't Open Door Of Cassette. Change Slider Assembly. Lhldx3016gezz. |
SHARP |
VC481 |
Chews Tapes No Rewind |
Q8022 Phot Transistor Px0053gezz |
SHARP |
VC481 |
Chews Tapes, No Rewind. |
D734 Leaky, Off Pin 10 Of Ic 708 On Pwb-a. |
SHARP |
VC481 |
Goes Into Rewind. |
Q8022 Photo Transistor. Px0053gezz. |
SHARP |
VC481 |
Interm Reel Motor Drive. |
Check For Dry Joints On Q713. |
SHARP |
VC481 |
Interm. Capstan Motor Drive. |
Check For Dry Joints On Q708. |
SHARP |
VC481 |
No Capstan Lock. |
R794 (4.7k). Put Another 4.7k In Parallel. On Capstan Servo Pcb |
SHARP |
VC481 |
No Or Flickering E-e Pic. In Stop Mode Pb. 9v Is 3v S/b 0v. |
Ic802 (ir2403 Or Td62105) Faulty. |
SHARP |
VC481 |
No Reel Drive |
Ic708 Faulty Placing 3v Dc On Reel Drive Switch Input (ic705,p2) |
SHARP |
VC481 |
Operation Light Not On. |
Change Protector Pr801 Qfs - P1021gezz. Change Q813 2sc945 On Mechanon Board Pwb-e. C452 S/c On Y/c Board, Also Check Pr-eb Protector On Pwb-e. |
SHARP |
VC481 |
Picture Flickering In Ee |
Pb9v Rail Is 3volts. Ic802 Ir2403/td62105 |
SHARP |
VC481 |
Won't Accept Tape. |
Slider Assy. Lhldx3016gezz. |
SHARP |
VC481 |
Won't Accept Tape. |
Cassette Switch On Cassette Carriage O/c. Qsw-f0010gezz. |
SHARP |
VC481 |
Won't Tune Stations. |
Ic951 On Power Supply Pcb. |
SHARP |
VC481 |
Wont Accept Tapes |
Carrige Switches Qsw F0010gezz |
SHARP |
VC481 |
Wont Accept Tapes |
Slider Asy Lhldx3016gezz |
SHARP |
VC481 |
Wont Tune Channels |
Ic951 In Psu |
SHARP |
VC482 |
Play Selec. Goes Into F.F Search. Own Rec. Ok On Other Mach |
Check Pin 5 Of Ic802, If Not Zero Volts Change Ic802. |
SHARP |
VC482 |
Refer Vc481. |
|
SHARP |
VC482 |
See Sharp Vc481 |
|
SHARP |
VC482 |
Wont Record Or Erase Sound. |
Check If Q603 (2sc2001) Leaky. |
SHARP |
VC483 |
Power Supply O.K. But No Display Or Functions. |
Pr801 Fuseable Resistor Faulty. |
SHARP |
VC483 |
See Sharp Vc481 |
|
SHARP |
VC483 |
Tape Counter Not Working |
Check For Obstructions To Auxillary Pulse Generator Wheel. |
SHARP |
VC486 |
Clock Gains 10mins/day. C5007 Wont Adjust Tp2 To 131.072khz |
C5006 (10pf) In Parallel With Trimmer O/c. |
SHARP |
VC486 |
Clock Runs Fast |
Adjust Tp2 For 131.072khz If Not C5006 O/c |
SHARP |
VC486 |
Counter Erratic |
Photo Sensors Faulty Or Need Clean |
SHARP |
VC486 |
Counter Numbers Erratic. |
Q8004 And Q8005 Photo Interrupters Faulty. |
SHARP |
VC486 |
Counter Problems. |
Change 2x Photo Interrupters. |
SHARP |
VC486 |
Cyclic Noise Bar On Play |
Check C743 100uf 16v Cap. (bias Bypass For Control Track Pulse Amp. |
SHARP |
VC486 |
Erratic Behaviour Of Deck. |
Check Faulty Mode Switch. |
SHARP |
VC486 |
Faulty Load/unload In P/back & Rec. Interm.Changes Mode. |
Change Mechanism Position Switch. Qsw-r0008gezz. |
SHARP |
VC486 |
Goes To Stop Just As It Fully Loads. |
Drum Pg Coil O/c. On Lower Drum Under Rotary Tx. |
SHARP |
VC486 |
Int Changes Mode, Chews Tapes |
Mode Switch Qsw R0008gezz |
SHARP |
VC486 |
Int Changes Mode, Chews. |
Mode Switch. Qsw-r0008gezz. |
SHARP |
VC486 |
Int Cuts Out In Pb |
Replace Reel Sensors |
SHARP |
VC486 |
Int Cuts Out In Play/record After 1 Hour. |
Replace Reel Sensors. |
SHARP |
VC486 |
Int Picture Rolling On Playback. |
Check C725 On Servo Board. |
SHARP |
VC486 |
Interm. Cuts Off On P/back Or Rec After I Hour Approx. |
Change Reel Sensors - Photo Interrupters Rh-px0042gezz. |
SHARP |
VC486 |
Method Of Adjusting Capstan Servo Lock. |
Short Ends Of D763. Adjust R777 To Give 3.6v At Pin 5 Of T.P.B. When Short Is Removed Voltage May Change Though Should Remain Stable. |
SHARP |
VC486 |
Mod. To Prev. Overheating Ic714 In Servo Circuit. |
On Track Side Of Servo Pcb Place A 100 Ohm .5w And A 10 Mfd 16v Electro In Series From Emitter Of Q717 To Pin 8 Of Ic714. |
SHARP |
VC486 |
No Clock, No Functions. Tuning Stuck On Ch O. |
X5001 Faulty Or Ceramic Caps On Track Side Of Pcb Causing Shorts. |
SHARP |
VC486 |
No Clock, No Go, Wont Change Channels |
X5001 Or Cermac Caps Shorting On Pcb Side. |
SHARP |
VC486 |
No Colour In Pb Or Rec |
Q501 2sc2308 |
SHARP |
VC486 |
No Colour On Play/record. |
Q501 (2sc2308) Faulty. |
SHARP |
VC486 |
No Functions. |
Capstan Mtr Ic And Micropocessor Ic .Suspect Capstan Mtr. |
SHARP |
VC486 |
No Functions. |
Microprocessor, Capstan Drive Ic Shorted, Suspect Capstan Motor. |
SHARP |
VC486 |
No Load/eject |
Ic808 Ta7267 |
SHARP |
VC486 |
No Reel Drive |
Ic810 Ta7267 Q826,q827,q828 |
SHARP |
VC486 |
No Reel Drive. |
Ic810 (ta7267p/-1) And Check Q826, Q827, Q828. |
SHARP |
VC486 |
No Reel Motor Drive. |
Change Ic810 (ta7267p/-1). Check Q826, Q827, Q828. |
SHARP |
VC486 |
No Remote Control. |
Check Ic812 (lr3711m/-1). Check Possible Faulty Mode Switch. |
SHARP |
VC486 |
Operation Light Not On |
See Same Fault Vc481 Above. |
SHARP |
VC486 |
Reel Motor Wont Turn When Laced Up And Playing. Tape Stuck |
Change Ic715 On Pwb-a Vhiba6209//-1. |
SHARP |
VC486 |
Rf Inter. On P/back. Could Be Vcr To Close To Tv Transmiter |
1. On Pwb-x Head Amp. Board Cut Tracks On Pins 6 & 8 Of Ic3301. Place A Ferrite Bead Of 4 Turns Across Each Track. 2. Add 180 Pf Capacitors From The Audio In And Out Rca Sockets To Earth. Hardwire Input Board Gnd. To Power Supply Gnd. |
SHARP |
VC486 |
Tape Counter Counting Faulty. |
1. Check The Lower Reflective Surface On The Counter Relay Pulley On Top Deck Of Mechanisim. If The Reflective Surface Is Not Perfect - Replace. P.No. Nplyv0088gezz. 2. Check And Clean Photo Interruptor Sensors. P.No. |
SHARP |
VC486 |
Vert Jitter Etc On Own Recordings. |
Q711 Heat Sensitive. Head Switching Varies. |
SHARP |
VC486 |
Vert Jitter In Self Rec |
Q711 Head Switch Vaires |
SHARP |
VC486 |
Won't Accept Cassette. Operation Faulty. |
Refere Same Fault Sharp Vc8482. Replace C826, 10µf 16v, On Mecha Control Pcb. |
SHARP |
VC486 |
Won't Record Or Play Colour Intermittently. |
Fl505 5.2mhz Filter Faulty. |
SHARP |
VC486 |
Wont Load Or Eject Tapes. |
Ic808 (ta7267p). |
SHARP |
VC486 |
Wont Turn On |
C532 Shorted On Pwb-c |
SHARP |
VC486 |
Wont Turn On. |
Check C532 Shorted On Pwb-c. |
SHARP |
VC488 |
Colour Dashes All Over Screen On Play. |
Earth Capstan Drive Ic Heatsink, And Add .01uf From Pin 9 To Earth. |
SHARP |
VC488 |
Colour Dashes In Pb |
Earth Capstan Drive Ic H/sink, Add .01µf B/t Pin 9 & Earth |
SHARP |
VC488 |
Goes Into Ff, Rew, Stop Etc By Itself. |
Q805 On Pwb-e (2sc174) In Syscon. |
SHARP |
VC488 |
Goes To Stop Just As It Fully Loads Up |
Drum Pg Coil On Lower Drum O/c (under Rotary Transformer) |
SHARP |
VC488 |
Hifi Light Flickers & Goes Out When Hot Or No Hifi On Play. |
Audio 9v Goes Low, Ic953 95kucz0072gezz. M5230 L Ic On Power Supply Board, Its A Bitch To Get At |
SHARP |
VC488 |
Int Changes Mode, Chews Tapes Etc. |
Mode Switch. Qsw-r0008gezz. |
SHARP |
VC488 |
Int Goes Into Any Mode By Itself |
C805 Syscon 2sc174 |
SHARP |
VC488 |
Laces Up Then Unlaces, Drum Turns For Sec. Or Pic Shakes. |
Drum Motor Rmotp1071gezz. |
SHARP |
VC488 |
Lines In Pb. Tracking Not Working |
Pots In Drawer O/c Repace |
SHARP |
VC488 |
Looks Like Heads Faulty. |
Electros In Psu. C956(1uf), C962(1uf), C957(.047uf). |
SHARP |
VC488 |
No Audio No Functions |
Ic5006 Rhix0014gezz Microproccer |
SHARP |
VC488 |
No Capstan Lock, No Ctl. |
C776 (100µf/16v). |
SHARP |
VC488 |
No Chroma On Play. |
Mn6163 Chroma Ic. |
SHARP |
VC488 |
No Reel Drive In Any Mode. |
Suspect Ic715, Ba6209 On Servo Pcb. |
SHARP |
VC488 |
No Sound, No Clock Or Channel Display, Ch Buttons Dont Work |
Ic5006 Rhix0014gezz Microprocessor. |
SHARP |
VC488 |
Picture Rolls Like Loss Of Capstan Lock. Capstan Servo Adjust Helps But Not Good Enough. |
Replace C776(100uf 16v) Electrolytic Capacitor, On Servo Pcb. (top Left Board). It Was Short Circuit. |
SHARP |
VC488 |
Picture Shakes Or Wont Play. |
Drum Motor Rmotp1071gezz |
SHARP |
VC488 |
Reel Wont Turn When Fully Loaded Wont Eject. |
Ic715 On Pwb-a. Vhiba6209//-1 |
SHARP |
VC488 |
See Vc486 |
|
SHARP |
VC488 |
Static In Pb. (looks Like Heads) |
Electros In Psu C956, C962 , C963 = 1µf & C957 .047µf c956 In Particular |
SHARP |
VC488 |
Stopped In Laced Position. |
Mode Switch. Qswr0008gezz. |
SHARP |
VC488 |
Switches On, Switches Off, Laces Up Weird Problems. |
Pcb Behind Timer/clock Display Full Of Dj's Where Leads Connect To Pcb. |
SHARP |
VC488 |
Tape Remain Indicator Erratic. |
Reflective Stripes On T/u Reel U/s Or Q903 In Psu. |
SHARP |
VC488 |
Tracking Bars On Screen |
C776 100µf In Control Amp |
SHARP |
VC488 |
Traking Not Working. |
Check 3 Pots In Drawer, One Or All May Be O/c. |
SHARP |
VC581 |
Black Screen In Ee |
Cracked Pcb Near Rf Booster |
SHARP |
VC581 |
Black Screen On E-e. |
Craked Pcb Around Rf Booster. |
SHARP |
VC581 |
Buzz In Sound. |
Change T1501 Pif.-det. Transformer. New Types 0029. |
SHARP |
VC581 |
C/stan Rotates B/wards When Stop Pressed. Stops When Played |
Check Shorting Links J20/j25 Shorting Out On R/h Side Of Mother Board. |
SHARP |
VC581 |
Capstan On At All Times. No Reel Motor Drive. |
Check Operation Of Ic706, Bu4011b. |
SHARP |
VC581 |
Capstan Speed Varies On Play And Record. |
Replace Ic704. Rh-1x0107gezz. |
SHARP |
VC581 |
E-e Picture Distorted. |
Ic1501. (x0275ce). |
SHARP |
VC581 |
Ee Picture Is Distorted |
Ic1501 X0275ce |
SHARP |
VC581 |
Functions Faulty, No Motor Drives. |
No 14v At Pin 7 Of Plug Pa On Power Supply. Check For Circuit Protector Ip901 In Power Circuit. P.No. 95kpjc285zz. |
SHARP |
VC581 |
Goes Into Any Mode As Soon As Operation On. |
Change Q812 Vsdta124es/-1. Should Have 4.5v At Pin 43 Of Ic801. |
SHARP |
VC581 |
Intermittent Functions. |
Q812 (dta124). |
SHARP |
VC581 |
Looses Drum And Capstan Lock In Play |
Dry Joint On Xtal X501 In Chroma Section |
SHARP |
VC581 |
No Colour On Play Or Record. |
Fl501 (rmptdo131gezz). Also Check Fl503 |
SHARP |
VC581 |
No Go Clock Ok |
Ip901 2.5 Amp O.C In Psu |
SHARP |
VC581 |
No Go, Clock Ok. |
Ip901 2.5a O/c In Psu. |
SHARP |
VC581 |
No Operate Led |
No Pcon 12 V Check Ic902 M5236l |
SHARP |
VC581 |
No Operation Light. Laces Up Then Unlaces. |
Check Ic902 In Power Supply. |
SHARP |
VC581 |
No Reel Drive |
Ic702 Ta7267p |
SHARP |
VC581 |
No Reel Motor Drive. |
Change Ic702, (ta7267p). |
SHARP |
VC581 |
No Tape Functions, No Operate Led. |
Fuse On Psu, P901 2.5 Amp |
SHARP |
VC581 |
Operation Faulty. |
Check P.Con. 9v Switch, Q909, 2sc3518 In Power Supply. if Faulty Or Overheating, Check For Short Circuit To Ground On P.Con. 9v Line, Pins 14-15 Of Plug Pa. If Short To Ground, Check For Faulty C219, 100µf 16v, Near The Edge Of Main Pcb, Near Ic 402. |
SHARP |
VC581 |
Pause/still Indicator On But Cont. To Play Or Record. |
Remove C8001 (47 Mfd 16v) Pwb-w Across Loading Motor. |
SHARP |
VC581 |
When Tuning To Station - Goes To Blank Screen Agc Faulty. |
Change Ic1501 |
SHARP |
VC581X |
Wont Play Or F.F. Supply Brake Stuck On. |
Replace Microcomputer Ic801. |
SHARP |
VC584 |
Clock On, Won't Operation On. |
Check For Open Circuit Ip902 In Power Supply. P. No. 95kpjc0284zz. Check For Short Circuit Or Faulty C1589, 1000µf 16v, On Tuner Pcb. |
SHARP |
VC585 |
E-e Picture Distorted. |
C211 (10 Uf/16v) Inside If Module. |
SHARP |
VC585 |
Ee Picture Distorted |
C211 10µf/16v In If Module |
SHARP |
VC585 |
Hum And Pattern Interference In Ee And Play. High Freq. Oscillations On +12 & +9v Rails |
Replace C913,917,918,919 And C916 In Power Supply. |
SHARP |
VC6300 |
Sound Wowing. |
Check Capstan Motor Speed By Selecting Record And Adjust R794 For Zero Volts On Tp713, If Tp721 Exceed 500 Millivolt P-p Ripple, Change Motor. |
SHARP |
VC6300 |
Turns Off While Recording Or Switches Off After 6 Inches. |
Check For Take-up Reel Rotation, Or The Machine Thinks So. Check That The Reel Isn't Stopping - If It Does Clean Belts And Tyres And Replace The Clutch. If The Reel Isn't Stopping Check The Output From The Sensor Af4: It Should Be 5-10v P-p, If Not Repla |
SHARP |
VC651 |
Capstan Goes To Half Speed |
Clean Ctrl Track Head With Pcb Cleaner. Low Control Track Forces Capstan Servo To Half Speed Mode. |
SHARP |
VC651 |
Capstan Runs Fast In Record |
Diode In Syscon Faulty(leaky) D814 |
SHARP |
VC651 |
Capstan Too Fast |
Check Fg Pulse Dj's Plug A1 |
SHARP |
VC651 |
Capstan Too Fast. |
Check Fg Pulse, Dj's Around Plug A1. |
SHARP |
VC651 |
Chews Tapes, Intermittent No Take Up Torque. |
Reel Brake Not Releasing, Mode Switch Faulty. |
SHARP |
VC651 |
Chews Tapes, Poor T/u Torque. |
Reel Brake Not Releasing. Mode Switch? |
SHARP |
VC651 |
Int Capstan Lock |
Cracks Around Screws Holding Pcb-a |
SHARP |
VC651 |
Int Capstan Lock. |
Craks Around Screws Holding Pcb-a. |
SHARP |
VC651 |
See Vc685 |
|
SHARP |
VC651 |
Slow Capstan Speed |
Pinch Roller In Engaging. Lubricate Pivot. |
SHARP |
VC681 |
Cassette Loads Up & Down At Power On By Itself ? |
R822 Dj's Or O/c On Mother Pcb |
SHARP |
VC681 |
Cassette Loads Up And Down At Power On By Itself. |
R822 Dj's Or O/c On Mother Pcb. |
SHARP |
VC681 |
Chews Tapes |
Loading Belt |
SHARP |
VC681 |
Chews Tapes. |
Loading Belt Faulty. |
SHARP |
VC681 |
Loads Or Eject But No Functions |
End Sensor O/c |
SHARP |
VC681 |
No Chroma In Record |
Chroma Delay Line. |
SHARP |
VC681 |
No Chroma On Record. |
Chroma Delay Line. |
SHARP |
VC681 |
Records Ok ,ee Ok But Mutes Video And Audio |
No Pb 5v. C413 On Luminance/chroma Sub Board S/cct. |
SHARP |
VC681 |
See Vc685 |
|
SHARP |
VC681 |
Will Load And Eject But No Other Functions. |
End Sensor O/c. |
SHARP |
VC681 |
Wont Load Or Eject. Interm Doing Either. |
Reposition The Mode Control Switch. |
SHARP |
VC682 |
Capstan And Reel Go Forward In Rewind Mode |
Plug A1 Pin 8 Dj'd |
SHARP |
VC682 |
Capstan And Reels Go Forward In Rewind. |
Plug A1 Pin 8 Dj'd. |
SHARP |
VC682 |
Capstan Slows Down |
Isolate Pin 13 Of Ic703 And Connect To Earth. |
SHARP |
VC682 |
Capstan Slows Down. |
Isolate Pin 13 Of Ic703 And Connect To Earth. |
SHARP |
VC682 |
No Functions |
R916 O27 In Psu |
SHARP |
VC682 |
No Functions. |
R916 (.27 Ohm) In Psu. |
SHARP |
VC682 |
No Load Motor |
Ic802 Ta7288 |
SHARP |
VC682 |
No Load Motor Drive. |
Ic802 (ta7288). |
SHARP |
VC682 |
No Play Functions |
Ic801 |
SHARP |
VC682 |
No Play Functions. |
Ic801 (rh-ix0151gezz). |
SHARP |
VC682 |
Won't Load/eject. |
R907 (.27 Ohm) In Psu O/c. |
SHARP |
VC682 |
Wont Load/eject |
R907 O27 In Psu |
SHARP |
VC682X |
When In Rec. Pause Mode, Wont Rec. |
Replace Mode Select Switch. |
SHARP |
VC685 |
Brakes Don't Lock Hubs On Eject, |
Pin From Underneath Slider Panel Has Fallen Out. |
SHARP |
VC685 |
Looks Like Worn Idler |
Brake Solenoid Underneath Plugs Into Reel Sensor Pcb Not Working |
SHARP |
VC685 |
No Clock Display |
Ic5001 Pwb-i |
SHARP |
VC685 |
No Clock Display. |
Ic5001. (rh-ix0164gezz) On Pwb-1. |
SHARP |
VC685 |
No Picture In Playback |
Missing Pb 5v Q808 Replace C413 (100µf/10v) On Y/c Module Board (rhs). |
SHARP |
VC685 |
Reel And Capstan Run Backward |
Clock Xtal For Ic801 R/s |
SHARP |
VC685 |
Reel And Capstan Run Backwards, Vcr Won't Turn Off. |
Clock Xtal For Ic801 Faulty. |
SHARP |
VC685 |
Similar Symptoms To Worn Reel Idler. |
Brake Solenoid Underneath Plugs Into Reel Sensor Pcb Not Working. |
SHARP |
VC685 |
Vcr Wont Turn Off |
Clock Xtal Faulty For Ic801 |
SHARP |
VC685X |
Wont Eject Tapes Chews Tapes. |
Replaced Filter Fl801. |
SHARP |
VC7300 |
Capstan Motor Will Not Operate. |
Replaced Q809. |
SHARP |
VC7300 |
Capstan Won't Operate. |
Q809 (2sd687). |
SHARP |
VC7300 |
Capstan Wont Operate. |
Q809 (2sd687). |
SHARP |
VC7300 |
Capstan Wont Work |
Q809 2sd687 |
SHARP |
VC7300 |
Cassette Loading Motor On At All Times. |
Check Q8811 2sd687 |
SHARP |
VC7300 |
Cassette Motor On All Time |
Q809 2sd687 |
SHARP |
VC7300 |
Cassette Motor On At All Time. |
Q809 (2sd687). |
SHARP |
VC7300 |
Cassette Motor On At All Time. |
Q809 (2sd687) |
SHARP |
VC7300 |
Chopper Tranformer Squealing |
Change C920 (10mfd 50v) |
SHARP |
VC7300 |
Dew Sensor On |
Q805 Q806 2sc1815 |
SHARP |
VC7300 |
Dew Sensor On All The Time. |
Q805, Q806 (2sc1815). |
SHARP |
VC7300 |
Dew Sensor Operating With No Moisture Present. |
Replace Q805 And Q806. |
SHARP |
VC7300 |
Dew Sensor Problems. |
Check Q805 And Q806, 2sc1815. |
SHARP |
VC7300 |
Drum Rotates At All Times, No Functions. |
Check Loading Ring Position And Reset If Necessary. |
SHARP |
VC7300 |
Drum Rotates At All Times, No Inject Or Eject. |
Check Mechanical Loading Ring Position. |
SHARP |
VC7300 |
Drum Rotates No Functions |
Check Loading Ring Position & Reset If Necc |
SHARP |
VC7300 |
Functions Ok But No Eject |
Lever #23 Rhs Eject Mech Lubricate |
SHARP |
VC7300 |
Functions Ok But Won't Eject Tape. |
Lever (no 33 On Parts List) On Rhs Of Front Loader Sticking, Lubricate. |
SHARP |
VC7300 |
Ghosting Picture Appears After A Few Hrs. Operation On E-e |
Freeze Sf1501 Filter On Tuner I.F. Board If Picture Comes Good Replace Filter. |
SHARP |
VC7300 |
Int B/w Picture On Playback. Audio Ok. |
Check If Main Solenoid Releases When Stop Is Pressed. If Not Solenoid Could Need Lubrication. |
SHARP |
VC7300 |
Int Pulsing Of Aux. Motors. |
Change Regulator Trans 2sc1212a To A Bd139 With Moderate Heat Sink. |
SHARP |
VC7300 |
Int Recording. |
Check Ic1301 Pin 8 For Int Loss Opf Signals. |
SHARP |
VC7300 |
Loading Motor Weak. |
Change Q8091. |
SHARP |
VC7300 |
Loading Motor Won't Rotate. |
Look For Thermal Output To Main Solenoid O/c. |
SHARP |
VC7300 |
Loss Of Colour On Pre-rec. Playback Of Own Rec. Ok. |
Fit 270 Pf In Parallel With C540. Fit 1.8k Ohms 1/4w In Parallel With R522. |
SHARP |
VC7300 |
No 12 V Rail |
R903 O27 Fuse |
SHARP |
VC7300 |
No 12 Volts At Tp901. |
Replaced R903. |
SHARP |
VC7300 |
No 12v At T.P. 901. |
On Vc7300 Check R903 0.27 Ohms. On Vc7700 Check R912 0.27 Ohms Q904 2sd1128. |
SHARP |
VC7300 |
No 12v From Power Supply. |
Check R903 (.27 Ohm Fusible). |
SHARP |
VC7300 |
No Capstan Motor Drive. |
Check Q809, 2sd687. |
SHARP |
VC7300 |
No Func.Only Eject/load, Head Drum Running Continuously. |
Check Faulty Unload Or Afterload Switch. Sw01 And Sw02 On The Deck. |
SHARP |
VC7300 |
No Power Indication, No Clock Fuse F902 O/c. |
Change Q908 With 2sc1826 Q920 10 Mfd 50v Q942 10 Mfd 16v |
SHARP |
VC7300 |
No Power No Clock |
Q908 2sc1212 C916 10µf |
SHARP |
VC7300 |
No Power, No Clock. |
Q908 (2sc1212) Also Replace C916 (10 Uf). |
SHARP |
VC7300 |
No Power. Clock Inoperative. |
Replaced Q908, C920 And C942. |
SHARP |
VC7300 |
No Servo Lock In Play |
X502 Rcrsa0011 Or Ic504 An6342 |
SHARP |
VC7300 |
No Servo Lock On Play. |
X502 (rcrsa0011) Or I504 (an6342n). |
SHARP |
VC7300 |
Picture Rolling On E-e And Record. |
Check I.F. Package Cct's Output If Ok Check C438 (47 Mfd) Gone Low. |
SHARP |
VC7300 |
Poor Or No Colour When Tapes Rec. On Other Mach. Own Rec Ok |
Fit A 270pfd In Parallel With C540 And Fit 1.8 Kohm In Parallel With R522 Then Check Chroma Oscillator Frequency. |
SHARP |
VC7300 |
Suddenly Turns Off.Play/rec. Restores Normal Functions. |
Check Take-up Spool Is Stopping. If It Is, Check The Play Idler May Need Replacement. If The Spool Doesn't Stop, The Cassette Lamp Could Just Be Responsible (intermittently O/c) Or Take-up Rotation Sensor Opocoupler Assembly Is Faulty. |
SHARP |
VC7300 |
Tangles Or Chews Tapes When Ejected. Prevalent After Rew. |
Replaced Load Belt. |
SHARP |
VC7300 |
Tape Looping After Rewind. |
Replace T/u Turntable, Main Brake And Idlers And Check Main Brake Torque As Per Service Manual. |
SHARP |
VC7300 |
Tape Wont Load. Head Drum Rotates When Play Is Selected. |
Put Loading Ring Assy In Correct Position And Sequence. |
SHARP |
VC7300 |
Won't Accept Or Inject Cassette. |
Check Q8811 Or D313. |
SHARP |
VC7300 |
Won't Accept Tape. |
Switch On Front Loading Mechanisim Pt No: Qswt0001gezz. |
SHARP |
VC7300 |
Wont Accept Tapes |
Switch On Front Loading Mech P# Qswt0001gezz |
SHARP |
VC7700 |
Cassette Loading Motor On At All Times. |
Check Q8811 2sd687 |
SHARP |
VC7700 |
Chopper Tranformer Squealing |
Change C920 (10mfd 50v) |
SHARP |
VC7700 |
Dew Sensor Problems. |
Check Q805 And Q806, 2sc1815. |
SHARP |
VC7700 |
Drum Rotates At All Times, No Inject Or Eject. |
Check Mechanical Loading Ring Position. |
SHARP |
VC7700 |
Int Ejects Tapes, Flap Opening Int. Without A Tape In. |
555 Timer Ics On Mechanon Board Faulty. |
SHARP |
VC7700 |
Int Recording. |
Check Ic1301 Pin 8 For Int Loss Opf Signals. |
SHARP |
VC7700 |
Laces Up Then Unlaces. |
Change Slack Sensor On Pinch Roller Bracket. |
SHARP |
VC7700 |
Loading Motor Weak. |
Change Q8091. |
SHARP |
VC7700 |
Loading Motor Won't Rotate. |
Look For Thermal Output To Main Solenoid O/c. |
SHARP |
VC7700 |
Loss Of Colour On Pre-rec. Playback Of Own Rec. Ok. |
Fit 270 Pf In Parrallel With C540. Fit 1.8k Ohms 1/4w In Parallel With R522. |
SHARP |
VC7700 |
No 12v At T.P. 901. |
On Vc7300 Check R903 0.27 Ohms. On Vc7700 Check R912 0.27 Ohms Q904 2sd1128. |
SHARP |
VC7700 |
No Capstan Motor Drive. |
Check Q809, 2sd687. |
SHARP |
VC7700 |
No Play F.F. Rew. Or Rec. |
Replaced Capstan Motor. |
SHARP |
VC7700 |
No Power Indication, No Clock Fuse F902 O/c. |
Change Q908 With 2sc1826 Q920 10 Mfd 50v Q942 10 Mfd 16v |
SHARP |
VC7700 |
Refer Vc7300 |
|
SHARP |
VC7700 |
See Vc7300 |
|
SHARP |
VC7700 |
Tangles Or Chews When Ejected. Prevalent After Rew. |
Replaced Load Belt. |
SHARP |
VC7700 |
Won't Accept Or Inject Cassette. |
Check Q8811 Or D313. |
SHARP |
VC7700 |
Won't Turn Off. Cass. Lamp On,head Drum Rotates. |
Check Failure Of Unload End Switch Sw 1. If The Tape Guides Have Not Retracted Fully, Check The Loading Mechanics Starting With The Loading Motor Belt. |
SHARP |
VC7750 |
Cassette Loading Motor On At All Times. |
Check Q8811 2sd687 |
SHARP |
VC7750 |
Chopper Tranformer Squealing |
Change C920 (10mfd 50v) |
SHARP |
VC7750 |
Dew Sensor Problems. |
Check Q805 And Q806, 2sc1815. |
SHARP |
VC7750 |
Drum Rotates At All Times, No Inject Or Eject. |
Check Mechanical Loading Ring Position. |
SHARP |
VC7750 |
Int Recording. |
Check Ic1301 Pin 8 For Int Loss Opf Signals. |
SHARP |
VC7750 |
Loading Motor Weak. |
Change Q8091. |
SHARP |
VC7750 |
Loading Motor Won't Rotate. |
Look For Thermal Output To Main Solenoid O/c. |
SHARP |
VC7750 |
Loss Of Colour On Pre-rec. Playback Of Own Rec. Ok. |
Fit 270 Pf In Parrallel With C540. Fit 1.8k Ohms 1/4w In Parallel With R522. |
SHARP |
VC7750 |
No 12v At T.P. 901. |
On Vc7300 Check R903 0.27 Ohms. On Vc7700 Check R912 0.27 Ohms Q904 2sd1128. |
SHARP |
VC7750 |
No Capstan Motor Drive. |
Check Q809, 2sd687. |
SHARP |
VC7750 |
No Power Indication, No Clock Fuse F902 O/c. |
Change Q908 With 2sc1826 Q920 10 Mfd 50v Q942 10 Mfd 16v |
SHARP |
VC7750 |
Refer Vc7300 |
|
SHARP |
VC7750 |
See Vc7300 |
|
SHARP |
VC7750 |
Won't Accept Or Inject Cassette. |
Check Q8811 Or D313. |
SHARP |
VC781 |
Int Stops In Rew/ff. |
Earth Cassette Slider By Fitting Spring (mspro113gefj) |
SHARP |
VC782 |
Fails Recording After Pause. |
Replace Load Belt. |
SHARP |
VC782 |
Hum On Ee Audio. |
Ic601 In Audio Board |
SHARP |
VC782 |
Supply Guide Comes Back And Gets Caught On Back Tension Arm. |
Replace Loading Gear Under Supply Guide |
SHARP |
VC787 |
Operate Light Goes Out After 8 Seconds |
Check F902 Ur15v Rail |
SHARP |
VC8300 |
Agc On Monitor Only Ok In Playback. |
Q1507 No Base Voltage Due To R1540 Being O/c Or High. |
SHARP |
VC8300 |
Agc Or Negative Picture. |
Fl4401 S/c. |
SHARP |
VC8300 |
Blowing Fuse F803. Wont Accept Or Eject Tape. |
Replace Eject Motor. |
SHARP |
VC8300 |
Cap. Speed Varying. Wow In Sound. Servo Phase Signal Faulty |
Remove Bridge 1704 On P.W.B.-a. Change It With 680k Ohms And O.O22 Mfd In Parallel. |
SHARP |
VC8300 |
Capstan Running Fast. |
Q718, Q719 S/c. |
SHARP |
VC8300 |
Capstan Slows When Hot Noise Band In Pb |
C729 10µf |
SHARP |
VC8300 |
Capstan Slows When Hot, Noise Band Thru Picture. |
C729 (1ouf Tan). |
SHARP |
VC8300 |
Capstan Speed Varies, Wow In Sound. |
Check Bridge I704 On Pwb A. |
SHARP |
VC8300 |
Capstan Varies Speed Wow In Audio |
Check Bridge I704 On Pwb-a |
SHARP |
VC8300 |
Cassette Loads But Not Threading. |
Q714, Q716, Q717 S/c. |
SHARP |
VC8300 |
Cassette Will Not Load Or Unload Or Eject. |
1. Check For 25v Present On Loading Motor. 2. Check For Faulty Ry801 Load/unload Switch. |
SHARP |
VC8300 |
Cassette Will Not Load. |
Cassette Down Switch S2 Broken. |
SHARP |
VC8300 |
Chews Or Tangles Tape When Ejected. |
Replace Rubber Boot On Take Up Brake Arm. |
SHARP |
VC8300 |
Drum Fails To Start. |
Drum Motor Int. Rmotp101pgezz. |
SHARP |
VC8300 |
Drum Wont Start |
Drum Motor Int P# Rmotp1019gezz |
SHARP |
VC8300 |
Ejects After Loading Up. |
Change Loading Belt. |
SHARP |
VC8300 |
Horizontal Noise Bars. |
1. Capstan Running Slow - Ic1703 2. Dry Joint Thick-film Cr503. 3. Reset D Lock (r711) |
SHARP |
VC8300 |
Int Blows F903 When Unlacing. |
Faulty Drum Motor Or Forward/reversee Switch Int. Shorting. (p.No. Qsw-10002ge). |
SHARP |
VC8300 |
Int Colour Or Lum In Record |
Ic301 Sa8063 |
SHARP |
VC8300 |
Int Loss Of Playback Picture (blank Screen) |
Look For D/j's On Plug/socket Converter Cd On Pwb-c. |
SHARP |
VC8300 |
Int Stops In Play After Lace Up |
Main Solenoid Sticking. Lub Or Replace |
SHARP |
VC8300 |
Int Stops In Play/record |
Slack Sensor Faulty |
SHARP |
VC8300 |
Int Stops On Play After Lace-up. |
Main Solenoid Sticking - Lubricate Or Replace. |
SHARP |
VC8300 |
Inter. Blows Fuse F903. Blows When Tape Unthreading. |
Check Faulty Drum Motor. Check Intermittent Short In The Forward/reverse Switch (part No. Qswf0002ge). Mounted Near The Solenoids. |
SHARP |
VC8300 |
Interm. Colour Flashing Of Self Rec. |
Replaced Ic301. |
SHARP |
VC8300 |
Intermittent Colour Flashing On Playback Of Own Recording. |
Change Ic301 Rec. Amp. Vhisa 8063//-1. |
SHARP |
VC8300 |
Intermittently Drum Fails To Start In P/back Or Record. |
Change Int. Drum Rmotp1019gezz. |
SHARP |
VC8300 |
Intermittently Stops In Play And Record. |
Slack Sensor Faulty. |
SHARP |
VC8300 |
Intermittently Stops On P/back Or Rec. After Lace Up. |
Change Main Solenoid Plunger Rplu0046gezz. |
SHARP |
VC8300 |
Lines Across Pict. And Sound Wavering. |
Capstan Motor Faulty. |
SHARP |
VC8300 |
Loads Up And Ejects Tape. |
Check For Craks In Connector Panel Below Solenoids (at Front Of Deck). |
SHARP |
VC8300 |
Machine Stops In Laced Up Position. |
Solenoid Sticking Need Lubricating. |
SHARP |
VC8300 |
No "fast Forward" |
Spring (49) Fallen Off. |
SHARP |
VC8300 |
No Audio In Ee |
I1502 Ix0043 |
SHARP |
VC8300 |
No Capstan Drive |
Q718,q719,q720,q721,q723 |
SHARP |
VC8300 |
No Capstan Drive. |
Q721 (2sd880) In Capstan Brake. |
SHARP |
VC8300 |
No Capstan Lock |
Tracking Pot Or Track To Pot O/c |
SHARP |
VC8300 |
No Capstan Lock. |
Tracking Pot Or Pc Board To Pot Open Circuit. |
SHARP |
VC8300 |
No Capstan Motor Drive. |
Replace All Q718, Q719, Q720, Q721, Q723. |
SHARP |
VC8300 |
No Capstan Motor Drive. |
Check Q718. If Faulty Also Check Q719, Q720 Q723 And D711. Transistor Substitutes: Q714, 715 And Q 718, 719 Were 2sc2021. Use 2sc945aq. Q716 And Q720, 723 Were 2sa933. Use 2sa733 Or 2sa950y. |
SHARP |
VC8300 |
No Colour. |
1. Ic1505. 2. Cr501. 3. Check Pin 3 Of Pugcb, Adjust Chroma Current Control On Head Amp. |
SHARP |
VC8300 |
No Drum Motor Drive |
Replaced Q714,q715,q716,q717 |
SHARP |
VC8300 |
No Drum Motor Drive. |
Replace Q714, Q715, Q716, Q717. |
SHARP |
VC8300 |
No Drum Motor Drive. |
Check Q714. If Faulty Also Check Q715 And Q716. transistor Substitutes: Q714, 715 And Q718, 719 Were 2sc2021. Use 2sc945aq. Q716 And Q720, 723 Were 2sa933. Use 2sa733 Or 2sa950y. |
SHARP |
VC8300 |
No Pic On Record/play. |
L405 Faulty Or Ic1402 (ha11703). |
SHARP |
VC8300 |
No Picture In Play/record |
L405 Or Ic1402 Ha11703 |
SHARP |
VC8300 |
No Picture In Playback. |
Change C439 If Fault Still Present Change Ic402. |
SHARP |
VC8300 |
No Sound On E-e |
I1502 (ix0043). |
SHARP |
VC8300 |
No Sound On Own Recordings Pre-recorded Tapes Ok. |
Ic601 Faulty. |
SHARP |
VC8300 |
Noisy Picture After Playing A Pre-recorded Tape Sev. Times. |
Check Erase Osc If Partly Operating On Playback, If So Ic601 Faulty. |
SHARP |
VC8300 |
On Playback Looks Like A Capstan And A Drum Servo Fault. |
Check C731 10 Mfd Tant For Leakage Ic702, Ic703 Etc. |
SHARP |
VC8300 |
Overshoot On Black To White Transitions On Own Recordings. |
Check Deviation Level Adjustment. |
SHARP |
VC8300 |
Patterning On Ch4 Or Snowy On Ch3 Output Of Rf Converter. |
Faulty Rf Converter. |
SHARP |
VC8300 |
Ripple In Sound. |
1. Faulty Capstan Motor. 2. Worn/corrugated Pinch Roller. |
SHARP |
VC8300 |
Smeary Picture. |
C4413 Or Video-board Dry Joint. |
SHARP |
VC8300 |
Snowy Pic On Tuner And Play. |
Q1201 (2sc2570) In Rf Booster. |
SHARP |
VC8300 |
Snowy Picture In All Modes |
Q1201 2sc2570 In Rf Booster |
SHARP |
VC8300 |
Snowy Picture On Tuner And/or Playback. |
Q1201 In Rf Booster Unit. Use Toshiba 2sc2753. |
SHARP |
VC8300 |
Snowy Picture. |
Q1201 In Modulator S/c. |
SHARP |
VC8300 |
Stops Int |
Reel Motor Or/and Q6006 2sd687 |
SHARP |
VC8300 |
Stops Intermittently. |
Check Reel Motor And Q6006 (2sd687). |
SHARP |
VC8300 |
Tangles Tape On Eject. |
Change Brake Rubber On Take-up Side Reel. Pgumm0012gezz. |
SHARP |
VC8300 |
Tape Stops In Play |
Pinch Solenoid Not Operating. Check Fuse Under Inslulation On Solenoid |
SHARP |
VC8300 |
Tape Stops In Play Mode. |
Pinch Solenoid Not Operating, Check Fuse Under Insulation On Solenoid. |
SHARP |
VC8300 |
Tapes Getting Chewed. |
Worn Out Brushes In Reel Motor - Change Reel Motor. intermediate Drive Wheel For Supply And Take Up Spools Seized. Rough Edges On Guide Slots For Intermediate Drive Wheel - Smooth Off Roughness Very Carefully Without Enlarging Slots. This Fault Usually |
SHARP |
VC8300 |
Tapes Tangle On Eject |
Replace Brke Rubber On T/u Reel |
SHARP |
VC8300 |
Tapes Tangle On Eject. |
Replace Brake Rubber On T/u Reel. |
SHARP |
VC8300 |
To Operate Mechanism With Top Servo Pcb Up. |
Remove Plug Ao On Servo Pcb. |
SHARP |
VC8300 |
Tracking Drifting Over A Couple Of Weeks. |
Change Capstan Motor. |
SHARP |
VC8300 |
Will Not Eject From Carriage,wont Allow Carr.To Drop Correc |
Check Lock Off Lever (for Releasing Cassette Flap Broken), Or Has Been Forced Out Of Position. Change Lock Off Lever. |
SHARP |
VC8300 |
Will Not Rewind |
Gear Fallen Off Vs Reel-motor. |
SHARP |
VC8300 |
Won't Load Or Unload. |
Change Loading Motor Ic1805 Sta401 Motor Changeover Switch (p.No. Qsw-10002ge). |
SHARP |
VC8300 |
Won't Play "c" Size Cassette Adaptor. |
Adjust Slack Sensor (vr844) On On Pwb-a. |
SHARP |
VC8300 |
Won't Switch Off. |
Check Q902 S/c. |
SHARP |
VC8300 |
Wont Play Vhsc Tape In Adaptor |
Adjust Slack Sensor Vr844 On Pwb-a |
SHARP |
VC8300 |
Wont Tune To Stations. |
Check Aux/tuner Switch Faulty. |
SHARP |
VC8300 |
Wow And Flutter. No Capstan Servo. |
Check Bridge On Pwb A And Or Replace With Original Part. |
SHARP |
VC8300 |
Wow In Audio |
Capstan Belt Or Dry Bearings |
SHARP |
VC8300 |
Wow In Sound. |
Capstan Belt, Or Dry Bearings In Motor. |
SHARP |
VC8300 |
Z Paid |
|
SHARP |
VC8452 |
No Or Intermittent Reel Drive In All Modes. |
Change Ic705, (ta7267p) |
SHARP |
VC8482 |
No High Band On Tuner. |
R958 (2.7k0 In Psu. |
SHARP |
VC8482 |
No High Band Tunner |
R958 2.7k In Psu |
SHARP |
VC8482 |
No Picture In Cue/rewind |
Ic704 Td62104 |
SHARP |
VC8482 |
No/int Reel Drive |
Ic705 Ta7647 |
SHARP |
VC8482 |
Won't Accept Cassette. |
Check Operation Of Cass. Down Switch. Pin 1 Of Plug Aa, Cass. Down (l) Should Be (h) With No Cassette In. |
SHARP |
VC8482 |
Won't Accept Cassette. Operation Faulty. |
If The Main Cam Gear On The Underside Of Mechanisim Is Wound Fully Clockwise Then Rotate, By Use Of The Loading Motor Worm, 180 Deg Counter Clockwise. A. If Then All Operations Perform Without Faulty Replace Suspect C818, 10µf 16v, On |
SHARP |
VC8581 |
Intermittent Recording. |
Check Ic401 (ha11744nt1) Video Processor For Luminance At Pin 20 And Fm Out. Osc Signal At Pin 12 To Video Heads. |
SHARP |
VC9100 |
Interm. Chewing, Cuts Off On P/back And Record. |
Check If Reel Idler Ok, Replace Int. Reel Motor. Rmotv1008gezz. |
SHARP |
VC9100 |
Interm. White Lines Break Up Of Pic. On E-e And P/back. |
Only On Rf Out Not Video Out. Replace Ic403 On Y/c Pcb. |
SHARP |
VC9100 |
Loses Colour On Recordings |
Change Filter Fl504 Rmptdoo52gezz. |
SHARP |
VC9100 |
No Picture In Ee Or Playback. |
Replaced Ic403 On Video Pcb. |
SHARP |
VC9100 |
No Power, No Clock. |
No 240v To Mains Transformer? Check R901, Change C901 (.1 Mfd). If Voltage To Power Supply Change C9009 (10 Mfd 63v). |
SHARP |
VC9100 |
No Reel Motor Voltage. |
Change Q8001 (2sd880). |
SHARP |
VC9100 |
No Reel Torque On Playback Or Record. |
Change Q7754 2sd882 And Add 27 Ohm Collector To Emitter. |
SHARP |
VC9100 |
No Reg. 12v Pin 2 Ae. |
Check R9019 (15 Ohms). Check Q9006 Use (2sc1826). |
SHARP |
VC9100 |
No Video On E-e Mode. |
Change C204 (220mfd 10v). |
SHARP |
VC9100 |
Picture Un Stable On Some Channels. |
Replace Zener Ic, 11401, Rhix0037gezz. |
SHARP |
VC9100 |
Poor Or No Luminance |
Change Ic403 |
SHARP |
VC9100 |
Refer Vc9300 |
|
SHARP |
VC9100 |
Rf Interf. On Low Ch. Under Weak Signal Conditions. |
Remove R9004 And C9006. |
SHARP |
VC9100 |
See Vc9300 |
|
SHARP |
VC9300 |
Blows 2.5 A Sb Fuse On Rear Of Vcr |
Q9002 In Psu Or Reel Motor If '02' Type |
SHARP |
VC9300 |
Blows 2.5a Sb Fuse At Rear Of Vcr. |
Q9002 In Psu. |
SHARP |
VC9300 |
Blows Fuse On P/supply 12v Rail Goes 25v. |
Replace R16 In P/supply And Remove Glue From Pcb. |
SHARP |
VC9300 |
Cass. Will Not Eject, Won't Allow Carriage To Drop Corre. |
Check Lock Off Lever (for Releasing Cassette Flap Broken), Or Has Been Forced Out Of Position. Change Lock Off Lever. |
SHARP |
VC9300 |
Cassette Will Not Eject. |
Door Flap Not Opening Fully Due To Bent Lever Angle Assembly. |
SHARP |
VC9300 |
Chewing Tapes. |
Cassette Down-end (csd) Switch Broken, Or Reel Motor. |
SHARP |
VC9300 |
Chews Tapes Int , Stops In Play |
Reel Motor Rmotv1008gezz |
SHARP |
VC9300 |
Clock Display Shows Two Days |
Ic5001 |
SHARP |
VC9300 |
Distorted Or No Pic On E-e. |
Q721 (2sb4568) On Pwb-a. |
SHARP |
VC9300 |
Distorted Picture In Ee |
Q721 2sd468 Pwb-a |
SHARP |
VC9300 |
Drum Moor On All The Time. |
Remove Glue On Q717 And Q718. |
SHARP |
VC9300 |
Drum Speed Int |
X502 |
SHARP |
VC9300 |
Drum Spins All Time |
Remove Glue On Q717, Q718 Or Q718 Faulty. |
SHARP |
VC9300 |
Drum Turns All The Time. |
Q717 (2sc945) |
SHARP |
VC9300 |
For Low Reel Torque In All Modes. |
Check For D/j's On Q8001, Located At Rear Of Chassis, By The Head Drum. |
SHARP |
VC9300 |
Goes To Stop As Soon As It Is Fully Loaded. |
Ic2002 On Pwc "d". Head Switching Pulses Low In Amplitude. |
SHARP |
VC9300 |
Grey Washed Out Pic In Play |
Ic401 |
SHARP |
VC9300 |
Int Blows 2.5a Fuse At Rear Of Vcr. |
Change Reel Motor If "02" Type. |
SHARP |
VC9300 |
Int Capstan Speed |
Ic703 |
SHARP |
VC9300 |
Int Capstan Speed After 1-2 Hours |
Ic703 |
SHARP |
VC9300 |
Int Chews Tapes Or Cuts Out In Play/record. |
Reel Motor Int (rmotv1008gezz). |
SHARP |
VC9300 |
Int Colour |
Ic503 |
SHARP |
VC9300 |
Int Colour And Drum Speed |
Ic504 |
SHARP |
VC9300 |
Int Colour On Recordings. |
Fl504 (doo52ge). |
SHARP |
VC9300 |
Int Erattic Behavior |
Ic801 Cpu |
SHARP |
VC9300 |
Int No Power/ Stops |
Q808 |
SHARP |
VC9300 |
Int Play Or Record. |
Change Idler Assembly And Check For Lazy Drum Motor. |
SHARP |
VC9300 |
Int Play Pic |
Fl401 |
SHARP |
VC9300 |
Int Reel Motor Slows |
R7733 |
SHARP |
VC9300 |
Int Stops |
C719 Leaky |
SHARP |
VC9300 |
Interm. Chewing, Cuts Off On P/back And Record. |
Check If Reel Idler Ok, Replace Int. Reel Motor. Rmotv1008gezz. |
SHARP |
VC9300 |
Interm. White Lines Break Up Of Pic. On E-e And P/back. |
Only On Rf Out Not Video Out. Replace Ic403 On Y/c Pcb. |
SHARP |
VC9300 |
Intermittent Colour On Playback. |
1. D/j On C534. 2. Craked P.C. Board Near Centre Retaining Screw Around R538. |
SHARP |
VC9300 |
Intermittent No Power. |
D/j Mains I/p Board. |
SHARP |
VC9300 |
Intermittent Wow On Sound. |
Change R745. Check Also For D/j's Around Ic7753 And C788 (leaky). |
SHARP |
VC9300 |
Intermittently Shuts Down. No Functions No Display |
C903 Low Capacitance. (47uf 16v Servo/sys Con Pcb) |
SHARP |
VC9300 |
Loses Colour On Recordings |
Change Filter Fl504 Rmptdoo52gezz. |
SHARP |
VC9300 |
Low Reel Motor Torque |
Q7754 2sd882 |
SHARP |
VC9300 |
Low Reel Motor Torque On Play And Record. |
Q7754 (2sd882). |
SHARP |
VC9300 |
Low Reel Torque In All Modes. |
Look For D/j's On Q8001 Located At Rear Of Chassis Along Side Head Drum. |
SHARP |
VC9300 |
Mains Fuse Blown (f9001 2.5a) |
Check Q7754 For O/c And R7758 (27 Ohm), Change Q903 And D901 On Mechanon Board. |
SHARP |
VC9300 |
No "stop" Function. |
Poor Connection Plug Ha. |
SHARP |
VC9300 |
No 12v Reg From Psu |
R9019 15O , Q9006 2sc1983 |
SHARP |
VC9300 |
No Capstan Drive |
Plug Ad Crimped |
SHARP |
VC9300 |
No Colour Int In Record |
Fl504 D0052ge |
SHARP |
VC9300 |
No E.E. Picture. |
Check Q721 O/c In Tuner, Use Bc337. |
SHARP |
VC9300 |
No Eject |
Ic801 |
SHARP |
VC9300 |
No Output From Modulator. |
Check L2 O/c (12 Volt Supply). |
SHARP |
VC9300 |
No Picture - No Sound. |
Tuner/aux. Switch In Aux./position. |
SHARP |
VC9300 |
No Picture In Ee Mode. |
Replaced C204 (220 Mfd 10v). |
SHARP |
VC9300 |
No Picture In Ee Or Pb |
Fl202 |
SHARP |
VC9300 |
No Picture In Ee Or Playback. |
Replaced Ic403 On Video Pcb. |
SHARP |
VC9300 |
No Picture In Playback. |
Change C439 If Fault Still Present Change Ic402. |
SHARP |
VC9300 |
No Power |
F9001 O/c Q9001 Shorted |
SHARP |
VC9300 |
No Power, No Clock. |
No 240v To Mains Transformer? Check R901, Change C901 (.1 Mfd). If Voltage To Power Supply Change C9009 (10 Mfd 63v). |
SHARP |
VC9300 |
No Reel Drive |
Q8001 2sd880 |
SHARP |
VC9300 |
No Reel Drive In Pb/rec But Ff/fr Ok |
Q7754 |
SHARP |
VC9300 |
No Reel Motor Drive. |
Q8001 (2sd880). |
SHARP |
VC9300 |
No Reel Torque On Playback Or Record. |
Change Q7754 2sd882 And Add 27 Ohm Collector To Emitter. |
SHARP |
VC9300 |
No Reg 12v From Power Supply. |
R9019 (15 Ohm) Q9006 (2sc1983). |
SHARP |
VC9300 |
No Reg. 12v Pin 2 Ae. |
Check R9019 (15 Ohms). Check Q9006 Use (2sc1826). |
SHARP |
VC9300 |
No Reverse Search With Tape Inserted. |
Change Reel Motor. |
SHARP |
VC9300 |
No Rew., F.F Ok. Pressing Rewind Again Produces F.F. & Rew. |
Check R7751 Relay Sticking. |
SHARP |
VC9300 |
No Rewind |
Ry7751 |
SHARP |
VC9300 |
No Sound. In E.E. And Playback. |
Faulty Rf Converter - Replace. |
SHARP |
VC9300 |
No Video On E-e Mode. |
Change C204 (220mfd 10v). |
SHARP |
VC9300 |
Noise Bars Floating Through Picture - No Colour On Play. |
X502 (4.43 Mhz) Xtal Faulty. Divided Down For 50 Hz Reference In Capstan Servo, Phase Lock Etc. Can Also Be Failure Of Ic504 (an6342n). |
SHARP |
VC9300 |
Noise Bars Move Slowly Through The Pic. Sound Dosen't Wow. |
Check The Capstan Lock Voltage At Tp3 When The Flywheel Is Slowed By Hand, It Doesn't Alter. Usually Waveform Tp1 Is Missing, Due Either To D707 Being Leaky Or R475 (82 K Ohm) O/c. If The Drum And Capstan Servos Are Both Wowing, Check That The Pb 50hz Si |
SHARP |
VC9300 |
Noise On Cue |
Lub Roller Asy #17 In Parts List |
SHARP |
VC9300 |
Noisy Picture On Own Recording. |
Mono Multi Q702/q703 Out Of Adjustment. Adjust R709. |
SHARP |
VC9300 |
Not Erasing On Record |
C611 C512 |
SHARP |
VC9300 |
On Rec. Noise Bars Floating Through Pic. |
Not Recording Control Pulses On Tape When Recording C717 (.33 Mfd Tant) Faulty. Also Can Be Failure Of I.C. 701 (an6344). |
SHARP |
VC9300 |
Pic And Audio Muted On Pause |
Q817 |
SHARP |
VC9300 |
Pic Unstable In Ee |
Zener I1401 Ix0037ge |
SHARP |
VC9300 |
Pic Unstable On E-e |
Zener Ic I1401 (ix0037ge). |
SHARP |
VC9300 |
Picture Un Stable On Some Channels. |
Replace Zener Ic, 11401, Rhix0037gezz. |
SHARP |
VC9300 |
Plays For Three Sec. Then Motors Stop. |
Int After Load Switch. |
SHARP |
VC9300 |
Poor Or No Drum Rotation |
Ic704 M51724p Drum Current Driver |
SHARP |
VC9300 |
Poor Or No Luminance |
Change Ic403 |
SHARP |
VC9300 |
Poor Picture In Ee & Play |
Ic403 Iz0008ge |
SHARP |
VC9300 |
Poor Picture No Luminance. |
Replaced Ic403. |
SHARP |
VC9300 |
Poor Picture On E-e And Play. |
Ic403 (iz0008ge). |
SHARP |
VC9300 |
Poor Recorded Picture. |
C204 (22ouf) |
SHARP |
VC9300 |
Recorded Picture Poor |
C204 220 µf |
SHARP |
VC9300 |
Rf Interf. On Low Ch. Under Weak Signal Conditions. |
Remove R9004 And C9006. |
SHARP |
VC9300 |
Stops After 30 Minutes On Playback |
If Fault Occurs In Play Or Record But Not Fast Wind,check Drum Pick Up Head. |
SHARP |
VC9300 |
Stops As Soon As Laced Up |
Ic2002 Pcw-d Head Sw Pulswe Low |
SHARP |
VC9300 |
Stops For No Reason And /or Chewing Tapes. |
Capstan Bearing Is Binding. Remove, Clean And Lubricate Capstan Flywheel Bearing. |
SHARP |
VC9300 |
Tape Jammed. |
Cassette Cover Release Spring (4) Fig. 35 Is Bent - Replace. |
SHARP |
VC9300 |
Tape Speed Varies. |
S/h O/p (9) Ic703 Permanently Around 10v. Replace Ic703. |
SHARP |
VC9300 |
Tape Spills Out From The Supply Reel: Wont Rew. At End. |
Check Reel Motor Faulty And Will Not Work Under Full Load, Or Reel Idler Wheel Binding On Shaft Or Chassis And/or Clutch Binding, Faulty Slide Switch. |
SHARP |
VC9300 |
Tapes Getting Chewed. |
Worn Out Brushes In Reel Motor - Change Reel Motor. intermediate Drive Wheel For Supply And Take Up Spools Seized. Rough Edges On Guide Slots For Intermediate Drive Wheel - Smooth Off Roughness Very Carefully Without Enlarging Slots. This Fault Usually |
SHARP |
VC9300 |
The Cassette Housing Stops Half Way. |
Check Eject Finish Switch On The Cassette Housing For O/c. |
SHARP |
VC9300 |
Unit Dead. |
1. Fuse F901 Loose - Adjust Holder For Firm Grip Of Fuse. 2. Q9003, Q9002 S/c. |
SHARP |
VC9300 |
Very Poor Playback Picture. |
No Signal From One Head, Look For D/j On Rotating Transformer. |
SHARP |
VC9300 |
White Out On Ee |
R239 Dj'd |
SHARP |
VC9300 |
Won't Play, Rew Or F.F. Record Ok. |
Check Output At Ad4, If So D/j Under Plug Ha13 Or Crack In Cct Board. |
SHARP |
VC9300 |
Won't Take Up. |
Remove T/u Spools, Clean And Grease. Replace Idler, Greas Underneath. |
SHARP |
VC9300 |
Wont Tune To Stations. |
Check Aux/tuner Switch Faulty. |
SHARP |
VC9500 |
Sound Warble. |
Reel Motor Faulty. |
SHARP |
VC9700 |
11v And 13v Rails Down. |
Check D9008 In P/s. Also Check For Corrosion Of Component Legs Caused By Holding Glue. |
SHARP |
VC9700 |
After Several Hrs Picture Pulling At Top. |
Check For Rubbing Sound From Drum Bearing. |
SHARP |
VC9700 |
Chews Tapes. |
Q708 S/c |
SHARP |
VC9700 |
Clock Display Too Bright. |
Check D6603 S/c If Clock Ic15002 Faulty. Remove C5007 Before Changing Ic15002. |
SHARP |
VC9700 |
Clock Dist./flash. Capstan/drum Motors Interm. Start. - |
Replace Ic5002. |
SHARP |
VC9700 |
Display Goes Dim After 1 Hour. |
Check Pr6601 On Audio Board. |
SHARP |
VC9700 |
Drum No Go. |
L701 On Servo Pcb Or Remove Glue From Q718 And Q719. |
SHARP |
VC9700 |
Failure To Accept Tape. |
Check Casss In Switch If Ok Q810. |
SHARP |
VC9700 |
Head Drum To Go. |
Check L701 On Servo Pcb. |
SHARP |
VC9700 |
Int Failure To Play. |
Check Drum Doesn't Rotate When Faulty Present, E52 Low 1 Volt. Drum Muting Trans Q719 Leaky. |
SHARP |
VC9700 |
Int Failure To Record Sound. |
Change Relays, Change C648 To .1 Mfd, R693 To 10 K Ohm .25w. Or .01. |
SHARP |
VC9700 |
Int Loss Of Colour. |
Check Ic301 (sa8063) Overheating. Replace. |
SHARP |
VC9700 |
Int Reel Drive. |
Dj On Pin 18 Of Ic704. |
SHARP |
VC9700 |
Int Wowing In Play. |
Check Q710 O/c. |
SHARP |
VC9700 |
Intermittently Dead With No Clock Display. |
Check Chopper Regulator Chip 19001 (stk722b) Also Q9001. |
SHARP |
VC9700 |
Loss Of Field Sync In Record. |
Check C542 On Y/c Board Should Be .1 Mfd Not .33 Mfd. |
SHARP |
VC9700 |
No Display |
4O7 Ptc Ht Feed To -30 Volt And Heater Line |
SHARP |
VC9700 |
No Go No Clock |
Q5002 Or Circuit Board O/c |
SHARP |
VC9700 |
No Line Sync In Visual Search. |
Replace Idler And Reel Motor. |
SHARP |
VC9700 |
No Operate, No Clock. |
Q5002 U/s Or Print To Collector O/c. |
SHARP |
VC9700 |
No Pic On Play Or E-e Pic Is On Play. |
Glue On Q809 (rec 11v Switch). |
SHARP |
VC9700 |
Rf Interference On Low Channels. |
1. Unsolder "mgnd". Green Wire At K9005. 2. Unsolder "gnd" Brown Wire At K9003 And Resolder At C9006 "-". |
SHARP |
VCA101 |
Int Stops In Rew/ff. |
Earth Cassette Holder Slider By Fitting Spring (msprp0113gefj). |
SHARP |
VCA101 |
Loading Motor Stops Intermittently |
Ic803 Load Motor Driver Ic. |
SHARP |
VCA101 |
No Drum Rotation No Drum Afc Apc Ok. |
Replace Ic801 Syscon. |
SHARP |
VCA101 |
Not Erasing Audio And Not Recording New Audio |
Hard Wire Full Erase Head |
SHARP |
VCA101 |
Shuts Down In Playback Maybe When Warm. |
Check Take Up Hub To Be Stiff Or Seized |
SHARP |
VCA101 |
Unit Accepts Tapes Then Ejects Straight Away |
Cassette Detect Switch On Top Of Carriage Is Shorted Closed. |
SHARP |
VCA103 |
Hum Bars In Record. |
D906, D907, D908, D909 High Resistance |
SHARP |
VCA103 |
Int Stops In Rew/ff |
Hard Wire Full Erasee Head. |
SHARP |
VCA103 |
See Vca101 |
|
SHARP |
VCA103 |
White Bar Or Distortion Of Tuner Pic. Only Whilst Recording |
Check For Faulty Or Leaky Diode In Power Supply. Check D906, D907, D908 And D909. |
SHARP |
VCA103 |
Won't Accept Cass. If No Cass. In Unit Turns Off. |
Check Operation Of Q901, 2sd1565 In Power Circuit. |
SHARP |
VCA103 |
Wont Eject Sometimes. |
See Phillips Vr6448 |
SHARP |
VCA105 |
At Switch On, Loads Then Unloads - Crazy. |
Mode Switch, Clean Contracts, Or Replace. |
SHARP |
VCA105 |
Back Tension Arm Jams On Unload |
Replace Plastic Brackets Parts #52 And #53 |
SHARP |
VCA105 |
Cassette Jams On Eject |
Bend (modify) Pinch Roller Lever Forward 1-1.5 Mil |
SHARP |
VCA105 |
Int Rew/ff From Stop Mode |
Replace Idler Ngerh1122gezz |
SHARP |
VCA105 |
Laces Up And Then Unlaces No Head Switch |
Fg Pcb Coil O/c On Bottom Of Motor Spike At Contacts Coat With Laquer |
SHARP |
VCA105 |
Power Up Erattic Mechanism |
Mode Switch. |
SHARP |
VCA105 |
Wont Accept Tape |
Change Sensors Pcb To New Type Duntk3194gezz |
SHARP |
VCA111 |
At Switch On, Loads Then Unloads - Crazy. |
Mode Switch, Clean Contacts, Or Replace. |
SHARP |
VCA111 |
Back Tension Arm Jams On Unload. |
Plastic Brackets, No: 52 And 53 In Service Manual. |
SHARP |
VCA111 |
Cassette Jams On Eject. |
Bend Lever On Pinch Roller Forward 1 - 1.5 Mm. |
SHARP |
VCA111 |
Int Rew/ff From Stop Mode. |
Replace Idler. (ngerh1122gezz). |
SHARP |
VCA111 |
Laces Up Then Immediatly Unlaces No H.S.P. |
Fg Pcb Coil On Bottom Of Drum Motor O/c. Spike Contracts. |
SHARP |
VCA111 |
See Vca105 |
|
SHARP |
VCA111 |
Won't Accept Tape. |
Change Sensor Pcb To New Type. Duntk3194he00. |
SHARP |
VCA45 |
No Capstan Motor Drive. |
Replaced Leaking Capacitor On Capstan Motor Pcb. check Tracks Haven't Been Destroyed By Leaking Electrolyte. |
SHARP |
VCA502 |
All Functions Ok Except Play.No Capstan Drive. |
Capstan Drive Ic X0322ge. |
SHARP |
VCA502 |
Eratic Functions When In Rewind,goes F.F.,breaks Tapes. |
Display Stays In Rewind....Replace Capstan Motor. |
SHARP |
VCA502 |
Int Stops In Rew/ff. |
Earth Cassette Holder Slider By Fitting Spring (msprp0113gefj). |
SHARP |
VCA502 |
Not Erasing Previous Audio Track. |
Hard Wire Full Erasee Head. |
SHARP |
VCA502 |
See Sharp Vca101 |
|
SHARP |
VCA505 |
At Switch On, Loads Then Unloads - Crazy. |
Mode Switch, Clean Contacts. |
SHARP |
VCA505 |
Back Tension Arm Jams On Unload. |
Plastic Brackets, Parts 52 And 53 In Manual. |
SHARP |
VCA505 |
Cassette Jams On Eject. |
Bend Lever On Pinch Roller Forward 1 - 1.5 Mm. |
SHARP |
VCA505 |
Int Rew/ff From Stop Mode. |
Replace Idler Ngerh1122gezz. |
SHARP |
VCA505 |
Laces Then Immediately Unlaces. No H.S.P. |
Fg Pcb Coil On Bottom Of Drum Motor O/c. Spike Contracts. |
SHARP |
VCA505 |
Screen Green No Audio In Playback. |
No Control Pulse Dirty Heads. |
SHARP |
VCA505 |
See Sharp Vca105 |
|
SHARP |
VCA505 |
Won't Accept Tape. |
Change Sensor Pcb To New Type Duntk3194he00. |
SHARP |
VCA510 |
Cassette Jams On Eject. |
Bend Lever On Pinch Roller Forward 1 - 1.5mm |
SHARP |
VCA510 |
See Sharp Vca105 |
|
SHARP |
VCA62 |
No Go After Storm.No Display. |
Transistor Q902 2sc2001 Faulty. |
SHARP |
VCA67 |
Does Not Pull Tape Back Into Cassette When Unloading. machine Shuts Down Intermittently |
Back Tension Band Felt Has Come Off. Band Sticking To Reel. replaced Back Tension Band. Vslbndk1008gezz |
SHARP |
VCB60 |
See Vcb20 Service Manual |
|
SHARP |
VCD801 |
Int Stops In Rew/ff. |
Earth Cassette Holder Slider By Fitting Spring (msprp-113gefj). |
SHARP |
VCD801 |
Not Erase Previous Audio Track. |
Hard Wire Full Erase Head. |
SHARP |
VCD805 |
Cassette Jams On Eject. |
Bend Lever On Pinch Roller Forward 1 - 1.5 Mm. |
SHARP |
VCD805 |
See Vca101 |
|
SHARP |
VCH83X |
Reel Sensor Has No Pulse And Has 12v Where It Should Not! |
Found Connectors On Bus Board Between Power Supply And Eject To Have Corrosion From Liquid. |
SHARP |
VCH851 |
Int Stops In Rew/ff. |
Earth Cassette Holder Slider By Fitting Spring (msprpo113gefj) |
SHARP |
VCH851 |
Not Erasing Previous Audio Track. |
Hard Wire Full Erase Head. |
SHARP |
VCH851 |
See Vca101 |
|
SHARP |
VCH855 |
All Tape Functions Stop After Several Seconds. |
Remove And Clean T.U. Reel Sensor, Mounted On Chassis Pcb. |
SHARP |
VCH87 |
Picture O.K. Hi-fi Audio O.K. In P/b And Rec. machine Will Not Play Back Linear Audio. |
Replace Faulty Q6306 Transistor With Bc548(check Pin Conn). q6306 Is Surface Mount And Lives On Audio Sub Board(with The Surface Mount Processor). |
SHARP |
VCP4100 |
Capstan Runs All The Time. |
C615 Faulty. |
SHARP |
VCP4100 |
Capstan Unlocked. |
Change R239 To 390 Ohm, C239 To 22µf, R237 To 2.2m. |
SHARP |
VCP4100 |
Chews Tapes. |
Remove T/u Guide Arm Unit. |
SHARP |
VCP4100 |
Colour Flickers. |
X302 Faulty. |
SHARP |
VCP4100 |
Colour Patterning, Int Colour. |
Remove Earth From Power Lead. |
SHARP |
VCP4100 |
D209 Cooks. |
Loom To Dd Shorted To Earth. |
SHARP |
VCP4100 |
Improve Dew Detection. |
Change R608 To 56k. |
SHARP |
VCP4100 |
Improve Pg Shift. |
Change R215/216 To 18k. Change Vr201/202 To 33k. |
SHARP |
VCP4100 |
Int Colour. |
Upc1536c Faulty. |
SHARP |
VCP4100 |
Int Servo Lock. |
X301 Must Use Original Type. |
SHARP |
VCP4100 |
Looks Like Heads Faulty. |
C329 Faulty. |
SHARP |
VCP4100 |
Looks Like Heads Faulty. |
C306, C301, C3095 Faulty. |
SHARP |
VCP4100 |
No Capstan Drive. |
C615 Faulty. |
SHARP |
VCP4100 |
No Colour. |
C337, C347 Faulty. |
SHARP |
VCP4100 |
No Picture On Play. |
C306 Faulty. |
SHARP |
VCP4100 |
Noise Bar Thru Pic Every 3 Minutes. |
C229 Faulty. |
SHARP |
VCP4100 |
Patterning On Picture. |
Add Earth To Head Leads, Check Lead Dress To Heads. |
SHARP |
VCP4100 |
Pic Goes Off Like Heads When Hot. |
C105, Or Dj On Q206 (headswitch). |
SHARP |
VCP4100 |
Pic Noise In Play, As Through In Cue. |
C207 Faulty. |
SHARP |
VCP4100 |
Pic Skew In Cue/review. |
Change C3a0 To .22µf. |
SHARP |
VCP4100 |
Pic Weak, Horiz Bars. |
C387 Faulty. |
SHARP |
VCP4100 |
Picture Beat And Patterning. |
C347 Faulty. |
SHARP |
VCP4100 |
Stops After 2 Secs In Play. |
Fit New Reel Sensor. Dont Modify. |
SHARP |
VCP4100 |
Tracking Doesn't Adjust. |
C205 Fautly. |
SHARP |
VCP4100 |
White Flicker Noise. |
C317, C318 Fautly. |
SHARP |
VCT510 |
At Switch On, Loads Then Unloads - Crazy. |
Mode Switch, Clean Contacts. |
SHARP |
VCT510 |
Back Tension Arm Jams On Unload. |
Plastic Brackets, Parts 52 And 53 In Manual. |
SHARP |
VCT510 |
Laces Then Immediatly Unlaces. No H.S.P. |
Fg Pcb Coil On Bottom Of Drum Motoro/c. Spike Contacts, Coats With Laquer. |
SHARP |
VCT510 |
See Sharp Vca105 |
|
SHARP |
VCT510 |
Won't Accept Tape. |
Change Sensor Pcb To New Type. Duntk3194he00. |
SHARP |
VLC6100 |
Snowy Picture, Sometimes 1/2 Screen |
Replaced Servo Smd Ic. Ir3p71 Lmir3p711 On Main Board |
SHARP |
VLC670 |
No Audio In Play Or Record Modes |
Audio Hybrib.?? Lmrhiz0093tazz |
SHARP |
VLC770 |
No Power. |
C 802 On Main Syscon Pcb 10µ/16v Smd Cap . Dcdc Converter And Audio Hybrib |
SHARP |
VLC8000 |
Ghosting In Playback |
Unit Needs To Be Recapped. c2206 47 µ6v Near Connector Bc On Y/c Pcb |
SHARP |
VLM78E |
No Colour From Recorded Tape, Pb Ok |
10 µ Caps C420. Also 480,411,416. 22 µ Appeared To Be Ok, But Was Replaced. |
SHARP |
VLM78E |
See Sharp Vlm4x Similar |
|
SHARP |
VLM78E |
See Vlm4x |
Similar To Vlm4x |
SHARP |
XC30 |
No Video |
Check If Nothing At Tp3. Check Q102 Collector Volts Low (18v). Target Connector To Screening Shield S/c. |