NATIONAL VCR's

NATIONAL NV300 Any Function Lights Up Power On Intermittently Changes Mode Pin 8 Of Ic6005 Changes Amplitude, Normally 2.62v If Low Replace Ic6005 (upd4069ubc)
NATIONAL NV300 Blank Raster On Tuner. Check C7009 (.01mfd).
NATIONAL NV300 Buzzing In Sound With Low Sound On Recorded Programs. Check 17v Rail If High (18.45) Look For D/j On D1013.
NATIONAL NV300 Capstan Motor Speed Fast Fault In Fg On C.Mtr
NATIONAL NV300 Capstan Motor Wont Start When Loading Is Complete. If Pin 6 Of Ic6001 Stays Low Check Mode Switch.
NATIONAL NV300 Capstan Not Locking. Bottom Board Plug Off.
NATIONAL NV300 Capstan Slow Or No Go C2049 10/16v
NATIONAL NV300 Capstan Speed Faulty In Record Mode Play Mode Is Ok Check Faulty C2034,0.1µf 100v
NATIONAL NV300 Capstan Wont Lock. C2026 .22uf Cap
NATIONAL NV300 Clock Display Very Dim D7511 Leaking
NATIONAL NV300 Distorted Sound On Playback. Change Q4014.
NATIONAL NV300 Door Stays Up (ejects) Lever Broken. Q6025 To Q6030 Or Ic6005
NATIONAL NV300 Drum Hunts. Poor Pic Like Heads C2003 10/16v
NATIONAL NV300 Drum Speed Int C2022,c2023,c2026 2.2uf/50v
NATIONAL NV300 Drum Wont Go. Play Mode Wont Load. Check Q6002 (qsb641)
NATIONAL NV300 Function Buttons Not Operational Except Eject. O/c Remote Jack.
NATIONAL NV300 Goes In To Ff When Lid Closed Plug From Reel Sensor Off. Lhs Rear 2pin
NATIONAL NV300 Goes Into F.F. When Door Closed With No Tape In. Bottom Board Plug Has Come Off.
NATIONAL NV300 Hum In Video And Audio In Playback, Sound Wows, Hum In Ee C1002 (2200 Uf) O/c
NATIONAL NV300 Hum In Video/ee.Capstan Wont Lock. C1002 2200uf Cap And C2026 .22uf Cap
NATIONAL NV300 Int Failure To Record The Audio Track. Replace Q4003, D4001, D4002, 2sb642rs/2sa564a.
NATIONAL NV300 Int Leds Come On Ic6005 4069
NATIONAL NV300 Int Non Erasure Of Previous Sound Track. Chroma Sig. Remain Look For D.J On Bias Osc Q4014.
NATIONAL NV300 Int Wont Go Into Record, Or Stops Recording Record Tab Switch Vsm0043
NATIONAL NV300 Int Wont Start Drum Replace C2026, 2027, 2028 .22µ 50v Caps
NATIONAL NV300 Interm. Not Rec. Audio. No Audio Record. Solder Wire From Connector Bp6009 Pin 1 Directly Onto Pcb.
NATIONAL NV300 Mechanical Mode Switch Check. Pins Of Bp6003 Should Go Low. stop Mode - 5, Laced Up Play Or Record - 1, F.Fwd. Rew. - 4, Record Pause - 3, Eject - 6.
NATIONAL NV300 Missing 13v Rail R1006 1O Fuseable
NATIONAL NV300 Mode Sele. Switch Wont Return To Normal Pos.Cass Wont Engag Check Q6010, Q6026, Q6028, Q6029 And R6023, R6024.
NATIONAL NV300 No 18 V Capstan Motor R1010 (3O3), D1007
NATIONAL NV300 No Capstan 18v Check R1010 (3.3ohm).
NATIONAL NV300 No Clock Ic7501 Mn1435vxb
NATIONAL NV300 No Clock Or Channel Display. Change Ic7502(an5033)
NATIONAL NV300 No Drum Q6002 2sb641
NATIONAL NV300 No Erase. Bias May Be Int. C24 10 Vfd 16v Int.
NATIONAL NV300 No Functions Q 6008
NATIONAL NV300 No Functions Ex Eject Remote Control Socket Vej0229
NATIONAL NV300 No Functions Operating Change Q6008
NATIONAL NV300 No Go. Timer Record Switch.
NATIONAL NV300 No Picture. Horizontal Lines, Wowing Sound. Change Ic2003.
NATIONAL NV300 No Play, Eject Etc. Cass. "in" Switch (dirty).
NATIONAL NV300 No Power. No Functions. Check Remote Control Socket.
NATIONAL NV300 No Reel Drive Ic6006 µpc358, Motor Myn13v5l
NATIONAL NV300 No Reel Motor Drive. Pin 7 Of Ic6006 Should Read 14.2v Disconnect Pins 5 And 6 If Then Ok Replace Icupc358c.
NATIONAL NV300 No Regulated 13v Check Q6002 (qsb641)
NATIONAL NV300 No Tape Functions. Check And Replace Load Motor Drive Transistors.
NATIONAL NV300 No Tuner In Ee, Or Channel Indication R7020 3O9 On Demodulator Pcb
NATIONAL NV300 No Video In Ee Mode Q703 2sd945
NATIONAL NV300 No Video In Play Q3022 2sd636
NATIONAL NV300 No Video In Record Q3017 2sb641
NATIONAL NV300 No Video On Playback, Blank Raster Only. Check Q3022 (2sd636).
NATIONAL NV300 No Video On Tuner. Check Q3017 (2sb641).
NATIONAL NV300 Not Recording Or Erasing Q6005 2sa719
NATIONAL NV300 Not Tunning Stations R7019, D7006
NATIONAL NV300 Picture Fuzzy In Playback And Ee Through Rf Out Only. video Out O.K. Replace Faulty Capacitors C9, C4, In Rf Modulator. (not Rf Box Where Leads Go In).
NATIONAL NV300 Plays For A While Then Stops. Mode Switch.
NATIONAL NV300 Poor Or No Lum In Play C3007 10µf/16v D3012
NATIONAL NV300 Records Low Audio On New Tapes But Loud Audio On Old Tapes. Replace Audio Control Stack.
NATIONAL NV300 Rewinds And Ejects Intermittently. Change Q6010 (2sd636)
NATIONAL NV300 Slow Rewind Clean Supply Reel Shaft
NATIONAL NV300 Snatching Tape In Review Excessive Wear In Reel Idler
NATIONAL NV300 Stays In The Eject Mode And Wont Accept Tapes. Change/replace All Four Q6025, Q6028, Q6029, Q6030 And Ic6005 (upd4069ubc).
NATIONAL NV300 Supply Voltage 15 V Low C1003 3300uf25v
NATIONAL NV300 Tape Speeds Increases In Pause Mode. Change Qr201 (dtc124a) In Noise Advance Pack.
NATIONAL NV300 Trouble With Tape In Review Lower Drum Worn Sticking To Tape Polish
NATIONAL NV300 Tuner Not Working, No Leds On Tuning. Check R7020 (3.9ohm) Fuseible On Demodulator Board Also D7007.
NATIONAL NV300 Tuner Not Working. Check 30v Missing On Tuning Pots Because Ic7001 S/c.
NATIONAL NV300 Vcr Stays In Rec Mode Ic6005
NATIONAL NV300 White Flickers On E-e And Playback. Check 5v Line For Ripple (5mv P-p Normal)
NATIONAL NV300 White Lines In Play, Ee Ripple In 5 Volt Rail
NATIONAL NV300 Wont Go Into Mode Or Goes Berserk. Ic6001 (mn1405) Faulty.
NATIONAL NV300 Wont Go Into Mode Selected, Goes Berserk In Play Mode. Check Faulty Ic6001 (mn1405vkf) Note These Last Three Letters Are Important, Must Replace Only With Original Part Being Replaced.
NATIONAL NV300 Wont Lock In On Playback. Check Ic3003 (an6327) In Luminance Channel.
NATIONAL NV300 Wont Play. Tape Loaded. Capstan Not Functioning. Replace Both Loading Belts.
NATIONAL NV300 Wont Select Play, Eratic Tape Functions R6056 680O Resistors Near Bj6007 Pin 2, Shb 5.24 V No Load.
NATIONAL NV300 Wont Tune Channels. R7019 O/c Tuner Board.
NATIONAL NV3000 Capstan Motor On Ay All Times. Check Q1016, 2sd946, Under Shield On Main Pcb. Cap. Stop. Low Should Be At Base Of Q1016.
NATIONAL NV3000 Cuts Out In Play/fr/ff Ect Electro Leaked. B/t P13 P14 Bottom Pcb Reel Pulse Low.
NATIONAL NV3000 Dew Sensor On At All Times. Suspect Ic 5, An6912, On Front System Control Pcb.
NATIONAL NV3000 Dropout Compensator Not Operating,d/outs On Play. Check Delay Line Dl3001, P.No. Vld0020. Rf Envelope Should Be Present At Both Input, Pin 1, And Output, Pin 3.
NATIONAL NV3000 Drum Motor Fails To Start, Interm. Stops During Play/rec. Go To The Edge Of The Main Pcb That Has Many Plugs Mounted Along It. Measure Ohms Between Pin 8 Of P9 And Pin 5 Of P15. This Should Measure Approximately 1.8 Ohms. if Measures High, Replace R2120 Mounted On Jumper Wire Between Pin 8 And Pin 5.
NATIONAL NV3000 Int Lines In Pb. Drum Servo Fault Dj On Leads To Cylinder Drive Pcb
NATIONAL NV3000 Int No Colour In Pb C8041 10µf/16v, Ic8004 An6342n
NATIONAL NV3000 Int No Rewind Q6552 T/up Sensor
NATIONAL NV3000 Int Traking Problems Check R2088 100k Preset Dj's
NATIONAL NV3000 Lines In Picture. Mistraking. Replace Back Tension Band If Faulty.
NATIONAL NV3000 No Audio In Pb Q4 2sd655 Leaky
NATIONAL NV3000 No Audio In Record C47 10µf/16v
NATIONAL NV3000 No Capstan Q2020 2sb641
NATIONAL NV3000 No Loading Motor Cap On Top Pcb 6800µf/16v Shorted
NATIONAL NV3000 No Pic In Play, Distorted Video C122 10µf/50v In Tuner
NATIONAL NV3000 Play Audio Volume Faulty. Check C22, 16v 10 µf And C19, 16v 10µf, In Audio Section Of Chroma Pcb.
NATIONAL NV3000 Stops Int Q6411 2sb641 On Load Mtr Pcb
NATIONAL NV3000 Turns Off After Several Sec's R6417 3O9 Fuse Res. Load Mtr Pcb
NATIONAL NV333 2sc2671 Transistor Used In The Booster Amp.,is Trouble . Repair Kit, Part No. Vvk4059, Which Consists Of A 2sc2671 Transistor Plus Two Ma161c Diodes And Fitting Instructions.
NATIONAL NV333 Buzzing Sound. E-e Normal.Recording Sound Very Low, Buzzing Change D1013.
NATIONAL NV333 Cant Tune Stations In, When In E-e Mode. Check Tuner.
NATIONAL NV333 Capstan Runs Too Fast. Check Faulty Fg In Capstan Motor.
NATIONAL NV333 Capstan Speed Varies, Sometimes Intermittently. Monitor The Capstan Fg Pulses At Pin 5 Of P6001. If The Pulses Disappear Intermittently, Suspect A Faulty Fg Generator. This Is Within The Capstan Motor - Check The Interconnections First.
NATIONAL NV333 Capstan Speed Wanders In Playback. Check Whether Tracking Control R2064 O/c.
NATIONAL NV333 Cass. Wont Eject, Or Carry Out Deck Functions. Suspect The Mode Switch.
NATIONAL NV333 Cassette Carriage Ascends Too Quickly. Teeth In Damper Unit Worn. Part No. Vdg0100.
NATIONAL NV333 Clock Failure With No Display. Check 100 Ohm Safety Resistor (r7632 In Nv 366), Check Back Up Battery Is Not Leaking.
NATIONAL NV333 Clock Not Lighting, Capstan Motor Not Turning. No 18v Due To Q1002 (2sd973) Being O/c.
NATIONAL NV333 Clock Wont Relight After Mains Supply Interruption. Change Ic7501.
NATIONAL NV333 Distorted Sound With Corrugated Verticals. Thoroughly Clean The Erase Head - Replace If Necessary. Can Also Be Caused By A Worn Audio/control Head (vbr0050).
NATIONAL NV333 Drum And Capstan Servos Pulsing And Out-of-sync. Check R2017 Is Dirty.
NATIONAL NV333 Excessive Noise In The Load And Unload Modes. Replace Reel Idler Arm Vxl0997.
NATIONAL NV333 Failure To Eject. Check Switch, If Ok, Check C6011 (18µf) And Ic6002 (m53216p).
NATIONAL NV333 Failure To Record The Sound. Change The Str1096 Regulator Ic1001 In The Power Supply.
NATIONAL NV333 Goes Into F.F. As Soon As The Try Is Closed. Faulty Supply Reel Sensor.
NATIONAL NV333 Head Switching Line Runs Through Picture. 50hz Reference Switched On During Recorded Because Ic8004 (an6342n) Faulty.
NATIONAL NV333 Hum On E-e Sound, Amplified To An Obliterating Buzz On Rec. Check For Hum On The 17v Rail. If Present D1013 (1ss16) Faulty.
NATIONAL NV333 Hum On Sound. Ic4001 (ta7325p) Developing Hum Internally. Check The Inputs And Outputs With Scope.
NATIONAL NV333 In Reverse Pic. Search Mode The Tape Loops Into Machine. Faulty Head Drum. (the Engraved Tracks Wear Thin And The Tape Sticks).
NATIONAL NV333 Inter. Head Switching Line Runs Through Pic.,drum Speed Var Vss Signal Missing Due To A D/j At Pin 1 Of Ic301.
NATIONAL NV333 Interm. Loss Of Colour Or Interm. Colour Bars On Screen. Check If The Pulses At Tp8006 Are Less Than 6v P-p, Adjust R8036 To Correct.
NATIONAL NV333 Intermittent Audio Erase. Remove R4049 (4.7) In The Bias Oscillator Circuit And Replace With A Shorting Link.
NATIONAL NV333 Intermittent Chroma On Record. Connect A Fast-acting Diode (ma161 Or Ma162) Between Pins 11 And 12 Of Ic6003 On The Syscon Board, Cathode To Pin 11.
NATIONAL NV333 Intermittent Failure To Eject Tape. Check Key Scan Inhibited Due To C6011 (ecqv05184jz) Or Ic6002 (m53216p) Faulty.
NATIONAL NV333 Intermittent Loss Of Capstan Lock In The Record Mode. Suspect An Intermittent Fault In Ic2003 (upc1505c).
NATIONAL NV333 Intermittently Cuts Out On Deck Functions. The Counter Has A Hall-effect Sensor. Any Of The Following Can Cause The Complaint: The Reel Idler, Idler Arm, Counter Belt, A Tight Take-up Reel, The Hall-effect Device Faulty Or Too Far From The Magnet, Or A Defective Reel Motor.
NATIONAL NV333 Knocking Noise On Fast Forward. Noise Affected By Pressure On The Cassette. Lubricate The Spool Shafts.
NATIONAL NV333 Lid Wont Stay Down. Seems To Be Permanently In Eject Mode. Check The Operation Of The Cassette Down And Loading- end Switches, Mode Select Switch.
NATIONAL NV333 Loading Motor Continues To Run. Stays In Loaded Condition. A Very Common Cause Of This Problem Is Slippage Of Loading Belt 2. If Replacing This Doesn't Provide A Cure, Suspect Misadjustment Of (or Fault In) The Mode Switch. Its Mechanical Adjustment Is Very Critical.
NATIONAL NV333 Loading Motor Stops During Loading. Ic6005 (upd4069ubc) Probably Faulty. Also Check That C6008/9 Have Been Changed From 100pf To 300pf.
NATIONAL NV333 Machine Intermit. Stops And Rewinds During P/back,or Rec. Supply Phototransistor Q1503 (pn150nv) Faulty. Sometimes Ic6004 (an6912) Is Respnsible.
NATIONAL NV333 Machine Wont Switch On. Power On/off At Pin 3 Of P1003 Not Switching Due To A Faulty M53216p Chip (ic6002) In The Syscon Circuit.
NATIONAL NV333 No Capstan Lock In Playback. Check The D.C. Level At Pin 16 Of Ic2003 (upc1505c). If Low Suspect No 9v Supply As Q6003 (2sa719) In The Syscon Circuit Is O/c.
NATIONAL NV333 No Capstan Motor Rotation. Check Ry1 On The Servo Panel Faulty.
NATIONAL NV333 No Chroma In The Record Mode. If The Chroma Is Present At Tp8003 Check At Pin 8 Of Ic8001 (an6360). If The Chroma Is Missing Here And The D.C Level Is High (should Be Aspprox. 4.5v) D8005 (ma165) Is Probably Leaky - It Links Ic8001 To The Colour Killer In Ic8003.
NATIONAL NV333 No Clock Display. Ic7501 On The Front Panel Is Faulty. In The Nv333 It's Type Mn1435vxb. Getting The Suffix Right Is Vital.
NATIONAL NV333 No Deck Functions. Cassette Down Switch On Eject Latching Assembly Dirty Or Worn. Part No.Vsh0013.
NATIONAL NV333 No Eject Damping - The Gear Teeth Inside Damper Unit Break. Replace The Unit.
NATIONAL NV333 No Field Lock In Playback. Change Ic3003 (an6327)
NATIONAL NV333 No Field Sync On Playback. Check The Signal At Pin 1 Of Ic3003 (an6327). If Missing, Suspect Ic3003. The Signal Should Be 2v P-p. If Less Than 1v P-p, Change Ic3003.
NATIONAL NV333 No Functions Except Eject. Check For Dirty Contacts On Thr Cassette-in Switch.
NATIONAL NV333 No Go. If Pin 8 (power Off) Of Ic6001 Is High, Q6010 (2sb641) Faulty.
NATIONAL NV333 No Go. No 9v And 6v Outputs From The Str1096 Chip Ic1001 At Pins 4 And 5 Respectively. Check Whether The Unregulated 15v Supply Is Present At Pin 1. If This Is Present And The Supplies Dont Return When The Loads Are Disconnected Ic1001 Is Faulty.
NATIONAL NV333 No Playback Colour, Unlocked Colour Flickering Occasionally If Pin 9 Is Linked To +5v And Colour Comes Back Ic3002 Faulty.
NATIONAL NV333 No Power After 10 Sec., With No Loading. No Loading Motor Drive As Ic6005 (upd4069ubc), Q6026 (2sb819) And Q6029 (2sd1051) Faulty. Change C6008 And C6009 (300pf)>
NATIONAL NV333 No Reel Drive. No Motor Drive As Q6022 (2sb641) And Q6023 (2sd12730) S/c.
NATIONAL NV333 No Rewind Or Fast Forward With No Cue Or Review. Check Q6023's Emitter For Dry Joint.
NATIONAL NV333 No Rewind Or Fast Forward. D1009 (ma165 Or 1ss133) Faulty.
NATIONAL NV333 No Tuner Operation Or Channel Leds. Check 3.9 , 0.5w Safety Resistor R7020 Is Probably O/c.
NATIONAL NV333 No Tunning. Tuning Voltage Missing R7019 (100 Ohm, 0.25w) O/c. The Upc574jk Stabilizer Ic7001 And Q7005 (2sb642) Probably S/c.
NATIONAL NV333 Permanent Eject. Change Q6028.
NATIONAL NV333 Poor Field Sync On Playback Of Own Rec. Hum, Ripple On Edge Check Hum On Thr 1.T. Lines Because One Of The Em1z Rectifier Diodes D1001-4 Is O/c.
NATIONAL NV333 Poor Recording And Sound Coming Through From Other Channel. Dry-joints On The Bias Oscillator Transistors Q4014.
NATIONAL NV333 See Nv366  
NATIONAL NV333 Sluggish Rewind. Check If The Reel Idler Is Ok Check The Supply Reel - it's Probably Tight On Its Shaft (lubricate As Necessary).
NATIONAL NV333 Sometimes Wont Rec. Or Play. F.F. And Rew. Ok. Set Up The Cam Gear And Action Gear As Per The Manual. Clean The Belt And The Pulley Wheels.
NATIONAL NV333 Squeaking Capstan. Put Into The Pause Mode To Confirm. This Fault Can Be Caused Either By Worn Bearings In The Capstan Motor Itself (max13v9lp), Or By A Dry Flywheel Bearing.
NATIONAL NV333 Squeaking Noise Which Stops In Pause. Noisy Capstan Motor.
NATIONAL NV333 Squeaks When Loading Or Unloading. Lubricate Loading Roller Bearings.
NATIONAL NV333 Take-up Spool Rotates In The Stop Mode. Check For Dirty Connections At The Supply Photosensor Connector P6010.
NATIONAL NV333 Tape Is Not Reeled Back Into The Cassette During Unloading. Replace The Reel Idler (vxp0401) And Check The State Of The Intermediate Geaar (vdg0017).
NATIONAL NV333 Tape Loops Into The Machine In The Review Mode. This Is Caused By Excessive Friction At The Drum. It's Sometimes Due To The Grooves On The Drum Being Worn, Or A Worn Lower Drum.
NATIONAL NV333 Tape Snatching In The Review Mode. Check Excessive Play In The Joints Of The Reel Idler Arm (vxl0997). If A Replacement Doesn't Provide A Cure, Fit A Washer On The Joint.
NATIONAL NV333 Tape Will Not Unlace Or Will Not Complete Lacing. Replace The Large Loading Belt And Check The Others.
NATIONAL NV333 Tuning Drift. Remove C7010 (0.22uf) On The Demodulator Pcb.
NATIONAL NV333 Wavering Playback Sound. Check For Worn Capstan Motor.
NATIONAL NV333 When Cass Is Loaded The Machine Wont Respond To Any Command Check The Cassette-down Switch Under The Main Board.
NATIONAL NV333 When Review Is Selected The Machine Ejects The Cassette. Check For Faulty Or Misaligned Mode Switch.
NATIONAL NV333 Whine Or Whistle From Direct-drive Unit. Check The Discharge Angle At The Top Of The Drum Was Worn. Sometimes The Dd Motor Bearings Become Noisy.
NATIONAL NV333 Won't Switch Off, Even When Timer Button Is Pressed. The 2.5a Fuse On The Mains Transformer Pcb Is O/c. Change Ic6002 (m53216p).
NATIONAL NV333 Won't Tune In. No 30v Supply At Pin 10 Of P7005 Because D7005 (ma26wcb) In The 30v Regulator Circuit On The Demodulator Pcb Is S/c.
NATIONAL NV333 Wont Eject And No Other Functions Work. Check Eject Switch Sw6501.
NATIONAL NV333 Wont Erase Prev. Sound Track. Pic. Has Chroma Washover. Check For No Erase Bias, Probanly Because Of D/j's On Q4014 And T4001 On The Audio Panel. If The Problem Persists, Or Low Bias Seems To Be Incurable, Link Across R4049 (4.7mfd) In Q4014's Emitter Circuit.
NATIONAL NV333 Wont Lock In The Playback Mode. Q6003 O/c.
NATIONAL NV333 Wont Rec In Colour. Replays Prerecorded Tapes In Colour. D8005 (ma165) Which Turned Out To Be Leaky.
NATIONAL NV366 Bottom Half Of Pic., Covered In White Noise Spots, Flicker. Replace Rl3501 & Rl3502.
NATIONAL NV366 Cass. Stuck, Only Clock, Programmer Work. Sitch Ing Off The Power For A Long Time Restores Normal Operation Until Next Lock-up. Check The Syscon Microcomputer Chip That Its 5v Supply (pin 39) Is Present And Correct, With No Ripple/hash. If Ok Change (mn1405vkk).
NATIONAL NV366 Channel Change Faulty, Wrong Led Lights Up.More When Cold. Replace Q7553 (2sd637) With Improved Typ[e 2sd637s Or T Or Type 2sc1685s Or T. In Addition Fit A 2.2k Resistor In Unused Position R7565.
NATIONAL NV366 Check 3.3mfd 2.0v (3 Off). Leak Goo Into Board, Sparks When Hit With Soldering Iron. Check Also R1101. .12 Ohms For O/c.
NATIONAL NV366 Cue/review Modes Are Released And Returns To Play. Check Dirty Contacts On Switching Relays Rl3501/2. Replace Both (part No. Vsy2029)
NATIONAL NV366 Interm. Noisy Picture,tracking Control Has No Effect. Replace Faulty Switching Relays.
NATIONAL NV366 Intermittently Incorrect Capstan Speed. Check The Capstan Fg Signal At Tp2007. When Motor Is Gently Tapped The Speed Corrects Itself. Change Motor - (the Capstan Fg Generator Is Built Into The Motor.)
NATIONAL NV366 No Clock Display. Ic7501 On The Front Panel Is Faulty In The Nv366, It Is A Mn1455bub. Getting The Suffix Right Is Vital.
NATIONAL NV366 Pic. Noisy After The Still. Check Dirty Contacts On Switching Relays Rl3501/2. Replace Both (part No. Vsy2029)
NATIONAL NV366 Saturated Colours From Pre- Recorded Tapes Only. Check Back Tension Should Be 25/30 Grams.
NATIONAL NV366 See Nv333  
NATIONAL NV366 Still Mode Pic. Has Black Spikes. Replace C3529 And C3530 With 40pf Type Ecv1zw40x53n Capacitors And Change R3522 To 100. Fit A 22pf, 50v Capacitor (c3535) Across Pins 1 And 2 Of P002. Readjust The Head Amplifier Peak Frequency (tp3508) To 4.9 Mhz Instead Of 4.5mhz.
NATIONAL NV366 This Machine Doesn't Like Hg Tapes. Machine Will Squeal In Record And Playback. E180 Tapes Work Ok.

Last Updated on 20/09/98
By Allan
Email: allan@vidcam.com.au