JVC VCR's

HMV HV1000 See Jvc Hr3300  
HMV HV2000 See Jvc Hr3330  
HMV HV3000 See Jvc Hr3660  
HMV HV4000 See Jvc Hr7200  
HMV HV7000 See Jvc Hr7700  
HMV HV8000 See Jvc Hr7650  
JVC AAV2EA Not Charging Properly.Power Out Ok Thermalfuse Tf4 Possibly Blown Replace Q7 As Well (unable To Seperate Tf4 And Q7 Due To Glue)
JVC GR303 Int Function, Eg Not Recording Signal. 6 Pin Connector (cn5) Bn/t Servo And Syscon Pcb (behind Vcr) Connections On Pcb Are Dry Jointed Or Broken, Very Bad Design
JVC GR65 Looks Like Dirty/ Faulty Heads. Picture Has Snow In 2nd Frame Repair Faulty Connection Between Video Preamp And Video Drum Asy
JVC GRC1 Int Audio Recording, No Playback Tracking. Check Wire Frome Erase Head Shorting To Servo Panel. Also D/j In Osc Cct.
JVC GRC1 Noise Bars On Screen, No Capstan Servo Lock. Change C113 (10 Mfd Tantulum) Near Ic104. Change C109 Also (on Audio Servo Board).
JVC GRC1 Scraping Noise At One Second Intervals. Capstan Flywheel Rubbing.
JVC GRC1 Wont Record. Faulty Record Inhibit Switch.
JVC GRC2 Int Sound On Record. Faulty Microphone.
JVC GRC2 Noise Bars On Screen, No Capstan Servo Lock. Change C113 10 Mfd Tattalum, C109 (on Audio Servo Board).
JVC GRC2 Relay Wont Energise Properly. Change Q22 (2sd601).
JVC GRC2 Viewfinder Record Indicator Not Working. Change C11 (1mfd Tantalum) O/c On Ic4 Pin 7.
JVC GRC45 Dont Repair. No Colour In Playback/ Camera Parts Not Available
JVC GRC7 Looks Like Dirty Heads (drum Going Too Fast) Check Pin 6 Of Ic103 (servo Board) For Good Fg Signal If So Check Output (pin 7 ) If Low Change Ic103.
JVC GRC7 No Threading, It Will Try, Then Shut Down, Lights Flash. Check For Screws Floating Around In Loading Mech.(give A Good Shake).
JVC GRC7 Unit Turns Off In Play/record. Pause Led Flashs No Drum Pg. Check R218. May Bebroken Off Pcb. If So Resolder And Modify Case ...
JVC GYN70 No Colour. X701 Faulty. (take Care In Removing)
JVC GYN70 No Picture. Cp601 O/c & Q602 2sd781 Leaky. (180 Ma Normal Current Through Cp601).
JVC GZ53 Dark Picture, Pink & Purple Overlay. C5 10 Mfd Tatalum O/c.
JVC GZ55 See Gz53  
JVC HR2200 Drum Motor Running At Full Speed While Power Is On. Change .022 (c2) On Motor Drive Amp Board.
JVC HR2200 Drum Not Spinning Or Stops While Playing. Replace C58 (10uf 16v) Cap On Audio/cpu Pcb.
JVC HR2200 Goes Into Alarm Mode (led's On Front Panel Chase On Pwr Up) Replace Tape Sensor.
JVC HR2200 Goes Into Alarm Mode When Switched On. Change Upd553c-066 To Upd553c-159 (not Susceptable To Static Interference)
JVC HR2200 Int Goes Into Pause Mode,perm Rew When Switched On. . Check If C11 (3.3f) Memory Capacitor Has Spewed Out On Cct Board.
JVC HR2200 No Picture In Playback. Chewing Tapes. Solder 1k Ohm Resistor Between Pins 2 And 41 On Cpu On Audio/cpu Pcb And Remove Glue Under C1080c2 Next To Plug 2012205 Servo Board.
JVC HR2200 When Play Is Selected Head Drum Rotates Abnormally Fast. Check For D/j's On Motor Drive Board Terminals (11/12/21/22). Pass On F.G. Signal.
JVC HR2200 When Recording Horiz Lines App. After 2 Sec. Then Ok. Check Pinch Roller Dosent Move More Than 1.5mm In Pause, Record Away From Capstan And Is Free To Move. If Ok Adjust Edit 1 and Edit 2 Presets On Front Panel (near Camer Sockets). Adj Procedure; start With Both Presets Mid Range The Adjust Either Onr By
JVC HR2650 No Colour On Playback. Check Tp322 For 9v If Low Q133 Faulty.
JVC HR2650 Wont Play. Check For Faulty Reel Sensors. Pin 1 Of Con 3 On Front Panel For Reel Pulses.
JVC HR3300 Black Picture In Ee Aux/tv Switch Int
JVC HR3300 Negative Colour Picture With Hum On Sound. Check Convertor If Ok Adjust R37 On V.C. Board. Adjust Converter By Removing Can And Adjusting Preset Away From Small Coil Can.
JVC HR3300 Prerecorded Tapes Produce No Colour Units Own Rec. Ok. Suspect R249 Adj, If Ok Change Ic204 (an236) And Ic202 (an305) In That Order.
JVC HR3300 Stops In Play Or Rec. Drum Speed Too Fast. Change Ican318 (servo Board)
JVC HR3300 Stops In Play. Drum Too Fast.. An318 Servo Ic
JVC HR3660 Drum Speed Varies After 1 To 2 Hours Of Play. Check For D/j's On Servo Board Around (ba814 Ic )
JVC HR3660 Int No Colour In Play Or Record. Change Ic202 (an305) And Reset R216 (converter Balance), R335 A.C.C. After Changing Ic202.
JVC HR3660 Pic Int Breaks Up In Play,for 2 Sec. Periods Noise On Sound Check For More Than .6v P-p Ripple Across Motor, If So It Is Faulty. Check By Resetting Capstan Sampling R106 And R109.
JVC HR3660 Recordings Have White Smearing With Thin Black Lines. Faulty F.M. Modulator.
JVC HR7200 Audio Fades In Ee(10 Sec) Pcb Track B/t D2,r14 Leaky. (audio Pcb)
JVC HR7200 Capstan Runs Fast No Capstan Fg Pulse. Check For Cracked Pcb Near Fg Connector On Servo Pcb.
JVC HR7200 Cass Lamp Fails To Light. Q1 Faulty.
JVC HR7200 Cass. Inserted, Slow Rewind Then Stop. Alarm Lights Flash Check Worn Loading Motor.
JVC HR7200 Cass. Sensor Lamp No Go When Cass Down Switch Is Depressed. Sensor Lamp Measures O.K.? Check For Faulty Q1, 2sb843, Mounted On The Deck Terminal Pcb That The Sensor Lamp Plugs Into.
JVC HR7200 Changing Channels Set Would Drift Off Tune. Check An5111 I.F. Chip By Replacement.
JVC HR7200 Drum And Capstan Motors Running When Switched On Loading Switches Sticking (old Grease)
JVC HR7200 Drum Or Capstan Motor Fails To Operate. Check Motor Drive Amplifier Board For D/j's (q236 Suspect). Check Q5 And D14 Faulty On P/s Board.
JVC HR7200 Drum Spins No Loading Functions 10 V Reg On Mech Control Faulty.
JVC HR7200 E.E. Signals With No Deck Functions. Check Ic2 On Mechacon Board Possibly Permanently Re-set Because Of Ic3 If So Check D21 For O/c.
JVC HR7200 Eject Function Wont Function Correctly. Clean Or Replace Al And Ul Switch Assy.
JVC HR7200 Excessively Fast Search. Check Q16, C/e Leaky, Check Also D15,16,17, And Q2.
JVC HR7200 Failure To Record. Check D208 (leaky)
JVC HR7200 Horizontal Spots On Pic In Play Mode. Check The Spring Which Earths Video Preamplifier. Check Flywheel For Chaffing Against Screened Cable.
JVC HR7200 Int Failure To Play. Check For Reset Pulse, If None Check Ic3 Or D21 For O/c. Check Loading Belt Also.
JVC HR7200 Int Loss Of Drum Servo Lock In Search. Check For Craked Board In Servo Panel By Cn302.
JVC HR7200 Loads Then Unloads And Switches Off. Check Q216 (2sd880), Ic204, Ic1 (vc1029).
JVC HR7200 Loads Up Then Unloads. Pinch Roller Not Engaging Loading Belt Or Misaligned Loading Mechon
JVC HR7200 Loses Colour On Playback When Warmed Up. Check With Hairdryer C415 (1200pf) L407 ( 5.6 Uh) C441 (..012 Mfd), C440 (1 Mfd), Ic402 (an6362).
JVC HR7200 Low Loading Motor Torque. Change Q8 (2sc1983) To (2sc1826) And D3 To 13v Zener.
JVC HR7200 No Capstan Lock Q1 (2sb641) R28 (56k) Servo Pcb
JVC HR7200 No Clock Display With Blown 315 Ma Fuse. Check For D13 22.3v Zener And Q5 (2sb6420) Faulty.
JVC HR7200 No Colour On Playback. Check For Leakage Of B/w Colour Switch At Rear.
JVC HR7200 No Ff/rew Or Pic Search In Rev Or Forward. Look For Cp2 O/c Sometimes Called R48 (near Ic12)
JVC HR7200 No Picture Check Q221 For O/c.
JVC HR7200 No Sound In E.E. Mode. Change Ba7003 Inr.F. Converter.
JVC HR7200 No Sound On E.E. Or Record. Change D14 (leaky) On Audio/video Board.
JVC HR7200 No Sound On Some Channels. Check T4 For O/c.
JVC HR7200 No Tape Function. Replace Sensor Lamp.
JVC HR7200 No Tv/video Switch No Ee, No Play Pictures +9v Missing On Audio/video Pcb. Dry Joints To Q101 +9v Regulator.
JVC HR7200 Not Erasing Previous Audio Dj On Ferase Head.
JVC HR7200 Overloaded E.E. Signal With Good Sound. Check If Q107 (2sb643) Leaky Producing Playback 9v In E.E. Mode.
JVC HR7200 Pic In Coloured Horiz Bands Check If C462 (15pf) Is Leaky, Near (ic403).
JVC HR7200 Play F.F. Modes Stay On For Split Sec. Then Rewinds. Replace Faulty Supply End Sensor.
JVC HR7200 Play Is Selec. Pause,audio Dub & Play Leds Light Up Interm. Playback Switch Faulty.
JVC HR7200 Playback And Tuner Signals Rolling And Pulling. C285, (47 Mfd) S/c.
JVC HR7200 Prerecorded Tape Ok, No Colour On Own Recordings. Check L407 If O/c Near (ic401)
JVC HR7200 Reel Motor No Go Or Stays On. Remove Glue From Pcb
JVC HR7200 Selecte Play Tape Loads The Pich Roller Wont Operate. Replace Load Betlt.
JVC HR7200 Set Eats Tapes When Loading Up. Faulty Heads (tape Sticking).
JVC HR7200 Set Fails To Operate. Check If Nylon Shaft Which Operates Switch Is Faulty.
JVC HR7200 Set Int Stops. Check Q17 For D/j's.
JVC HR7200 Set Loses Time. Change Sm5502a Clock/counter Ic.
JVC HR7200 Set Moves From Ch 1 To Ch 8 And Stays There. Change D221 (leaky) Associated With Ic201 (upc1362c)
JVC HR7200 Set Stops Intermittently. Check For D/j's On Q101 In P/s. Also D/j's Around Q216 (capstan) And D/j's On Q17 Mechanon Board.
JVC HR7200 Set Switches Off After Twenty Minutes. Check F8 For Loose Fuseholder.
JVC HR7200 Slow Rolling Noise Bar Occuring In Play Mode. Check O/c Tracking Control, R35 Faulty.
JVC HR7200 Sound Slow, Picture Has No Line Lock. Check If 12v Supply Rail Is High (16v) If So Reg Trans S/c.
JVC HR7200 Supply Reel Rotates For 10 Sec. Then Stops,no Com.Accepted. Check Unload Switch For Poor Contacts.
JVC HR7200 When Stop Is Selected After Short Recording. R/h Spool Unwinds For Ten Seconds, This Is Normal For This Machine.
JVC HR7200 Wont Change Channels Stays On Ch 1. Check If Fuse 5 Is O/c. If So Q8 (2sb644), Ic3 (upc574j-kl) And Ref Zener S/c.
JVC HR7200 Wont Record Sound, Playback And E.E. Sound Ok. Check Zener Diode D17 S/c.
JVC HR7200 Wont Switch Off When The Tape Came To An End In Either Dirc Check If Cassette Lamp Has Slipped Down Its Holder.
JVC HR7300 Drum And Capstan Motors Running When Switched On. Loading Switches (old Grease)
JVC HR7350 Int Poor Playback. Change C272, 273 (.022 Mfd)
JVC HR7350 Int Shutdown In Play Mode Check For Stiff Ul Switch Slider, Or Sliding Lever From Solenoid Sticking. (located In Front Corner Of Chassis.)
JVC HR7350 Wow And Flutter. Change Capstan Motor.
JVC HR7600 Unload Faulty. Stop Light Flashes Check Unload High From Pin 16 Ic5 Thru Q5 Check D18,d19,d20
JVC HR7650 Display Fades After 10 Mins C262,c263,c256 On Reg Pcb Near Tuning Pcb
JVC HR7650 Drum Motor Running All The Tim, Wont Load Up. Check If After Loading Switch Is Jammed.
JVC HR7650 Drum Speed Increases On Play After 25 Min. Ic13 (upc1458) Faulty
JVC HR7650 Eject Function Wont Function Correctly. Clean Or Replace Al And Ul Switch Assy.
JVC HR7650 Ejects Tapes As Soon As Inserted Check Tape Sensor.
JVC HR7650 Erase Or Recording Of Sound Faulty Check For D/j's On Full Erase Head P.C.B. Also Ry1 Or Ry2 (audio Board) Or T1 (osc Block) In That Order.
JVC HR7650 Faulty Erasing Previous Video Or Audio D/j's On Full Erase Head
JVC HR7650 Int Sound Erasure. Change Bias Osc Module With Later Type And Both Relays.
JVC HR7650 Int Speed Variations When Warm. Check Ic6 (an6341) Ic7 (tc4066) Also Ic22 (m54519p) by Heating And Cooling.
JVC HR7650 No Display, But Functions Ok Cf 401 (under Display) If D238 R/s Replace Within4001
JVC HR7650 No F.F. & No Forward Search. Rewind Ok. Change Q18 (2sc3070) Even If It Checks Ok.
JVC HR7650 No Reel Motor Drive. Check Q18, Q19 For Visual Damage Also Q10 And Q11 Because Q15 Is S/c. Replace With Original Type Only.
JVC HR7650 No Tape Function. Replace Sensor Lamp.
JVC HR7650 Selecte Play Tape Loads The Pich Roller Wont Operate. Replace Load Betlt.
JVC HR7650 Sound Variations Rotate R/h Tape Pillar.
JVC HR7650 Tape Goes In But Won't Eject Fuse F4.
JVC HR7650 Tape Loads Then Unloads. Change Sensor Lamp.
JVC HR7650 Wont Record A Video Signal Check Q235 (2sc1652) For S/c
JVC HR7655 Int Sound Erasure. Change Bias Osc Module And Both Relays.
JVC HR7655 No Clock Display Check R287 (10r) And Zener Diode D233 (24v) On Sub Power Supply Pcb
JVC HR7655 No Functions Exept Off Light Illuminated. Check For No 12v Line Because Q207 O/c Pin 36 Of Ic206 Is The Power Off/ac Detector. Should Be High.
JVC HR7655 Sound Distortion With Vol Varying Re-adjust T5 (near Q6)
JVC HR7655 Unable To Channel Select On Programmable Timer. Check If Tuning Selector Switch Is In Skip Position: Should Be Off Position.
JVC HR7700 A Noise Bar During Playback. Due To Ic601.
JVC HR7700 Buzzing In Sound. Clean Both Slide Switches On (left) Servo Board If Faulty Still Remains Reduce E.E. Level (bottom Board).
JVC HR7700 Clock Display Erratic No Counter Facility. Check Ceramic Filters Cf1 And Cf2 On Tuner/ti,er Board, Replace Both With New Type Board, Replace Both With New Type Oixo-033-974. Change R13 To 560 K Ohm, C1 To 120pf, C2 To 470pf, C3 To 120pf.
JVC HR7700 Distorted Sound In E.E. Mode In Tape Goes Double Speed. Change X35 (leaky) On Bottom Mech Board.
JVC HR7700 Drum Speed Wont Set. Drum Dis Wiper Faulty.
JVC HR7700 Frame Jitter Or Roll In Play Mode And E.E. Check L/h Tape Roller, Incorrect Back Tension, Incorect Head Switching Points If Ok. Check Tpg Video/lum Board For Missing Field Pulses C44 (33 Mfd) Gone Low.
JVC HR7700 Horiz Wobble. Check Pinch Wheel, Ball Races In Lower Drum Relay Pulley Or Defective Drum Relay Pulley Or Defective Drum Motor (should Be Less Than .2v Ripple On Positive Side In Pause).
JVC HR7700 Int Records In Monochrome. Check Adj Of Colour Killer On Y/c Board Fully Clockwise For Colour. Check In Order Ic202 (an305) 4.433169 Mhz Crystal; 4.435571 Mhz Crystal Misadjustment Of Colour A.F.F. And A.P.C. Loops.
JVC HR7700 Inter. Loop Of Tape Hanging From The Flap Of Ejected Cass. Check The Take-up Spool Brake If Coming On After The Supply Spool Brake: Take-up Turntable Tyre Is Worn. Replace The Take-up Turntable And The Coil-spring That Holds The Brake.
JVC HR7700 Low Cassette Motor Loading Torque. Replace X11 And X12 Where 2sa1020 Use 2sa684.
JVC HR7700 Low Cassette Motor Torque X11,x12 Mecha Control
JVC HR7700 Negative Picture And Buzzing In The E.E. Mode. Check If Pin 5 Supply Is 6v Instead Of Normal 9v Due To X12 (2sd638r) B/e S/c (located On Junction Board 07).
JVC HR7700 No Clock Display. If Clock Crystals Are Red Change To Blue Ones, Change microcomputer I.C.
JVC HR7700 No Colour On Play Or Record. Change An305.
JVC HR7700 No Functions. Check Missing 23v Supply With Fs Blown C36 S/c Or Very Leaky.
JVC HR7700 No Line Lock On Playback. Change Drum Servo Ic (an318)
JVC HR7700 No Picture On Tuner, Audio Ok. Replace Ic1 (ha11701).
JVC HR7700 No Reel Motor Rotation. Due To Ic603 Being Faulty.
JVC HR7700 No Rew Of F.F. From Remote. Disconnect Tuner Timer Board If Rew & F.F. Ok. Check Ic38 Ta57 On Tuner Timer Board S/c.
JVC HR7700 No Signal Through Tuner. Check X17 For Dry Joints.
JVC HR7700 No Sound In E.E. Mode. Change Ic3 (upd4066c) Located On Junction Board Check Ic1 Ha12005, X4 X44 On Mechanon Board.
JVC HR7700 No Sound On Playback Check Leakage Between Connectors 237 & 238 If So, Check 15v On Pin 23 Of Mech Board, If So Leakage Between Connectors 237 & 238.
JVC HR7700 No Tape Transport. Change Transistors In Motor Drive Board And All P/s Switching Transistors To Prevent Happening Again.
JVC HR7700 No Tracking With No Sound. Check Pinch Roller Arm If Bent.
JVC HR7700 No Tuner Signal. Absence Of Supply In I.F. Section Q16 In Power Supply. 2sd1275
JVC HR7700 Noisy Recordings. Change Ic9 (upd4027c) If Ok Check X6 And X11.
JVC HR7700 Pause & Slow Speed Dont Respond Corr. Black Spots On Screen Change R38 And R39 With Wire Links Make Sure C75 On Servo Panel Is In Position.
JVC HR7700 Pic. Plays As If In Search,unmuted Sound.Search,pause Inter Mode Switch. It Can Be Cleaned But Is Better Replaced With A Modified Type Available From Toshiba (part No. 70197081)
JVC HR7700 Playback Of Own Recordings Have A Line Going Up The Screen. Refer To V.C.R. Technical Service Information Book Page No. 33.
JVC HR7700 Remote Controll Functions Refuse To Set.Change & Clock Set. Change Ta1 (ta57) Tuner Timer Board.
JVC HR7700 Rew,f.F. Or Pic Search, Alarm Mode Lights Flash. Wont Play Check Pinch Solenoid Sticking Switch S17 (retension).
JVC HR7700 Set Wont Remember Tuning Data. Look For -24v On Pin 9 Of Memory Chips If Absent Check X9 (2sd638). Pin 8 Of I.C. Should Be Zero. If Not Check C19 (4.7mfd).
JVC HR7700 Slow F.F. Search. Check Missing Riveted Boss On Supply Brake Assembly.
JVC HR7700 Snowy Picture. Change Ic7 (sn76670n) Limiter Ic.
JVC HR7700 Sound Slurred In E-e Mode. Check 12 Volts At Connector 35 On Audio Panel. If So It Comes From X35 From Mechacon Board Which Is Leaky.
JVC HR7700 Stops When Still Or Slow Speed Is Selected. Check Ic1 On Mech Board Pin 6 Getting Interrupt Sig: C42 (330 Mfd) O/c.
JVC HR7700 Stops With Tape Half Loaded One Magnet Missing From Lower Drum Asy
JVC HR7700 Tape Remaining Indicator On Or Flashes Erratic. When Played Change Ta2 On Tuner Timer Board.
JVC HR7700 Tape Remaining Indicator, Flashes Errat. When Play Is Sele. Replace Gate Array Ta2 On Tuner Timer Board.
JVC HR7700 Tracking Noise On Pic.(cant Be Controlled By Tracking Pot) Change Ici (an360) (control Pulse Amp) On Servo Panel-1.
JVC HR7700 Wont Remember Tuning Data. Check X9 (2sd638) If Faulty Check Also C19 (4.7 Mfd)
JVC HRC3EA No Go Dead. Replace Main Fuse (3a).
JVC HRD110 Chews Tapes. L.H. Cass Detector Slide Switch Not In Its Slot.
JVC HRD110 Dotted Pattern On Recordings. Check Colour Level Control Adj. Goes High.
JVC HRD110 Erratic Operation Of Channel Select. Only Ch 8 Comes On. Change D219 On Present Board.
JVC HRD110 Goes Into Rewind When Operate Button Is Pushed. Suspect C228 Int S/c Associated With Carriage Down Detect Switch.
JVC HRD110 Insert Tape F.F Then Ejects Faulty Take Up Sensor.
JVC HRD110 Int Failure Of The Front Control Buttons Check Q223, D225 And Q208 Being Turned Hard On Due To Int S/c In Din Socket.
JVC HRD110 Poor Picture In F.F. Search. Large Noise Bar On Screen. Faulty Drum Motor.
JVC HRD110 Unit Selects Wrong Modes. Change Microcomputor Ic On Mechanon Board.
JVC HRD120 Erases Tapes As It Plays. Q6 2sb641 Audio Circuit
JVC HRD120 Function Buttons Light But No Effect. Check Erratic 12 Volts From Regulator Tr801 Also Bc5474 D802 For Leakage.
JVC HRD120 Head Drum Running Too Fast. Check Supply To Ha13008 (ic407) Should Be 13v, If Ok Check C465 (100 Pf) Leaky.
JVC HRD120 Int Chews Tapes. Faulty Motor.
JVC HRD120 Int No Clock Display. Check Filament Power Subpanel For D/j's. (located Under Tuner/ Presetter.
JVC HRD120 Int Snowy Picture. Check R.F. Amp And Converter Solder All Suspect Joints.
JVC HRD120 No Colour On Playback. Check C433 (.022 Mfd) S/c, Also Bpf401 For D/j's.
JVC HRD120 No Colour. Vxo Crystal Xb401 Faulty.
JVC HRD120 No F.F. Or Rew. Check Q206, Q207 And Ic206 If Ok.
JVC HRD120 No Functions, Clock Refuses To Be Set. Check For 9v On Mechanon Board, Q205/0205 For 5v Supply And Cp2 O/c Connected To It. (not Shown In Manual)
JVC HRD120 Noise Bands Moving Upwards On Playback. Check R466 (270 Kohm) O/c If Unable To Lock In With R463.
JVC HRD120 Noisy Pictures In Play. Check +12v Supply For High Freq. Oscillations. Add 0.1uf Cap To Input Of 7812 Reg. Between Pins 1 And 2 Of Ic 1
JVC HRD120 Not Recording Colour. Replace C197.
JVC HRD120 Play And Record Modes Drum Speed Hunting. Check R446 (270 Kohm) Gone High. (between Pin 14 & 15 Of Ic404.)
JVC HRD120 Tape Stuck In Loaded Posit. Only Operate Button Works Check Circuit Protector Cp1 For O/c And Ic204 For S/c.
JVC HRD120 Unit Loads Up Goes For 5 Secs Then Unloads. Check For No Drumpick Up Pulses, (pick Up Head O/c).
JVC HRD120 Wont Fully Erase Tape. H.F. Osc Will Not Start. Change Q8 2sd368r To 2sd6385. Add 5.6pf Cap Across C48.
JVC HRD120 Wont Play, E.E. Ok Check D/j's On Lum/chrom Board. (covers The Video Heads). Check Also To Clean Board.
JVC HRD120 Wont Select Weak Stations In Through Video E.E. Ok. Low Gain Aerial Amp.
JVC HRD140 Clock Display Fails After An Hour. Check Tl066cp (reset Chip) Changes State When Warm.
JVC HRD140 Drops Out Of Record For 10-15 Seconds, Sound Ok. Change Ic102.
JVC HRD140 Drum Speed Varies. Pinch Roller Erratic. Check D408 5.1v Zener (leaky).
JVC HRD140 Failure To Record. Check Q111 O/c
JVC HRD140 Function Light Stays On. No Clock Display, Or Tape Function Replaced Cp3 In Power Supply.
JVC HRD140 Head Drum Spinning In Reverse (clockwise) D408 S/c.
JVC HRD140 Int Blank Raster On Play. Check L116 For D/j's (near Ic102).
JVC HRD140 Int Colour In Play Bpf301 R/s Or Dj.
JVC HRD140 Int Sound Erasure With Colour Flutter. Add A 5.6 Pf Across C23.
JVC HRD140 Int Speeding Up Of Capstan. Change Q603 (2sd637r) Even If It Checks Ok.
JVC HRD140 Laces Up Then Unlaces (head Drum Not Turning) Check For No Volts On Pin 2 Of Cn403 If So D408 S/c 5.1 Volt Zener. Also An6671k Head Motor Drive Ic Suspect.
JVC HRD140 No Go. Capstan Runs D3 In Psu Shorted (3.9v Zenner)
JVC HRD140 No Memory On Clock. Change Back Up Capacitor.
JVC HRD140 No Operation After Loading Up, Wont Eject. Check D628 (leaky) Near Ic601.
JVC HRD140 No Operation. Replace M50730-607sp With M50730-610sp.
JVC HRD140 No Red Light On Power Switch. Check Cp4 For O/c
JVC HRD140 No Tape Functions, No Operate Light But Channel Indicator Lights When Operate Pressed. Cp4 ( N10) In Power Supply Faulty. No Switched 5v To Cn3,p6
JVC HRD140 Operate Led Flashes. Drum Moves F2 (2a)
JVC HRD140 Poor Pictures On Play. Check R438 O/c.
JVC HRD140 Traces Of Colour From Previous Recording. Re-solder D/j's Around Hf Osc Coil.
JVC HRD140 Wont Accept Tapes. Check For Cracks In Board Near D628.
JVC HRD170 No Go. Stk5481. Regulator Ic
JVC HRD170 No Tape Functions Except Eject Assy Functions. Replace Stk5481 Power Regulator Ic In Power Supply.
JVC HRD170 Power On Lite Does Not Indicate And Cass. In Symbol Display Replace Stk5481 Power Regulator Ic In Power Supply.
JVC HRD170 Remote Control Not Functioning Faulty (ic601) M50731 610sp.
JVC HRD171 See Jvc Hrd171  
JVC HRD180 Clock Loses Time. Change Clock Crystal And Reset C102 As Per Manual.
JVC HRD180 Erratic Channel Selection. Check C7 On Power Supply For D/j's.
JVC HRD180 Int No Colour On E.E. Check Ic102 (video Lum Board).(freezing It Produces Fault.)
JVC HRD180 Int No Recording. Check Connector 2/7 (rec) On Video Board.
JVC HRD180 No Functions. Check Cp4 If O/c, Also Ic602 For S/c.
JVC HRD180 No Reel Drive Drum Rotation Check Earthing Screw On Under Side Of Chasis Near Capstan Motor Fit Locking Washer.
JVC HRD210 Drum Unlocked, Capstan Unlocked, No 3fsc. Ic103 Ta7374p Faulty.
JVC HRD210 Eratic Functions, Tape In On Display Resolder Earth Connection Under Screw Of Deck Pcb.
JVC HRD210 No Audio Of Own Records Check T1 (osc Transformer) And Q10 In Audio Section
JVC HRD210 No Go,wont Accept Tapes, Cass In On Stk5481 Regulator Ic
JVC HRD210 Wont Accept Tape. Tape In Indactor Is On If Cassette Is Inserted Manually, Rewind And F.Fwd Will Operte For Several Seconds And Then Stop. Also When Entering Play Mode Drum Motor Fails To Start. - Check Output Voltages On Power Regulator Ic801, Stk5481, Mounted On Main Pcb: Pin - 3 Swd 5v.
JVC HRD225 Audio Int Cuts Out In Record Int Aux/tv Switch. Or D?j Ferase Head
JVC HRD225 B/w Lines In Pback Or No Picture Cn1 Connector Corroded Top,rear Rhs
JVC HRD225 Exessive Wow & Flutter Pinch Roller Pressure = 1300-1500 Grams
JVC HRD225 No Chroma In Play Or Rec Ic401
JVC HRD225 No Tuner In Ee Ic1 M51316p Pin 30 Should Be 9v
JVC HRD225 Play Pic Is Grey With Flash's Of Lum Q501
JVC HRD225 Stops When Hot Ic1 On Reel Sensor P# Pu55016
JVC HRD225 Won't Accept Tape. Check The Operation Of The Cassette In Detect Switches. See Diagram Page 35. Of V.C.R. Faulty Fixer Manual 1990 Supplement.
JVC HRD225 Won't Accept Tapes. Check For Faulty Of O/c Semicondutor Fuse, Cp1, At The Edge Of The Main Pcb Near Socket/plug Cn30. If Fuse Is O.K. Check The Operation Of Ic 205, M54544l.
JVC HRD225 Wont Accept Tapes Check Carriage Switchs
JVC HRD225 Wont Eject. Func.Indic. Lamp On.No Mechanical Func. Check For O/c Load Motor Of Faulty Load Drive Assembly On Underside Of Mechanism.
JVC HRD230 No Eject With Squealing Noise Then Stops. Check Loose Screw On Deck Terminal Pcb Under Chassis(earths The Mode Switch).
JVC HRD255 No Colour On Play Check Ic401 (ha11741) Pin 16 If No 4.43 Signal Xb401 Faulty.
JVC HRD255 Selc. Pic Search Breaks Up Into Horiz Lines, Unlacing Tape. Change Ic405 To (cd4016).
JVC HRD255 Spotted Picture (not Heads) Check R459 Drum P.G. Pulse Level Adj.
JVC HRD255 Still Frame, Spotted Pic. Wont Play Or Switch Off. Switch Mains On/off Several Times Or Check By Earthing Pin 22 Of Ic201, Check D203 5.1v Sener For Leakage.
JVC HRD255 Stopping In Play Mode. Check Int Output Pulses From The Take Up Reel Sensor. Check Sensor In St/by Mode By Turning T/u Reel By Hand While Dummy Cass C/n 23 On A/s/m Panel Should Jump Between O-5 Volts On Dc C.R.O.
JVC HRD255 Tuning Of Preset - Drifting. Check If Tp6 Voltage Is Low, Should Be 33v If Not D10 33v Zener Leaky.
JVC HRD255 Tuning Search Wont Stop On Some Channels. Re-adjust T5 If Sound Buzz Occurs, Change Q12 Dtc144f To A 2sd637r And Add Three Components As Per Fig. 1. Cures Sound Buzz Fault.
JVC HRD255 Won't Accept Tape. Check For Faulty Or O/c Semiconductor Fuse, Cp1.
JVC HRD320 Int No Picture In Play Lpf102 Int
JVC HRD320 No Drum Spin, No Counter Functions. Stops In Ff & Fr Replaced Power Regulator, Stk5481
JVC HRD370 Int Failure To Eject. Faulty Loading Motor.
JVC HRD370 Int Shut Down In Play Mode. Check For Loose Screw Which Connects The Emitter And Sensor To Chassis.
JVC HRD370 No Picture In Ee Or Playback. Bands Of Noise On Screen, Audio Ok Repalce 2200/16 Cap In Psu/ Check Others
JVC HRD370 Noisy Distorted Picture In Ee And Playback Check/replace C4 C7 C9 In Psu
JVC HRD370 Unable To Set Clock Functions. Look For Connector 5 On Timer Board 15 Being Partially Disengaged.
JVC HRD370 When A Blank Tape Is Injected It Goes Automatically Into Ff/rw. pre-recorded Tapes Are O.K. Check For Short Circuit Caused By Glue On Ic601 Around Pin 43.
JVC HRD450 No Go No Power Blown Fuse Replace/check Q1 (2sc4517a) Q2 (2sc3616) Before Replacing Fuse
JVC HRD455 Unit Tries To Go Into Play Mode Wont Lace Tape To Head Check Operation Of Intermediate Gear On Underside Of Mechanisim. Occasionally Seized With Old Grease.
JVC HRD520 Keeps Blowing Fuse Q1 In Psu (can Use A 2sc3973)
JVC HRD520 No Ee No Playback Check /replace Q851 (2sb810) Can Be Replaced With 2sb647
JVC HRD520 No Lights No Power, Dead On Regulator, Pins 3 And 4 Are Missing, Pin 5 Is High. no Rm2-unsw 5.8v. replace Cp801 Icpf10
JVC HRD540 No Display, All Other Functions Work. With Cn1 In Psu Plugged In Machine Has No 4.0 Volts Output. unplug Connector And Voltage Is There. replace C28 220uf 6.3 Volt Cap, also Replace C29 100uf 6.3 Volt Cap.
JVC HRD540 Snowy Picture - No Display Replace C28 120uf In Psu
JVC HRD565 Int Failure To Eject. Faulty Loading Motor.
JVC HRD565 No Hi-fi Muting In Visual Search. Check R330 On Track Side Of Mechanon Board Mounted To Board By Glue Which Becomes Conductive.
JVC HRD566 Poor Hi-fi Sound. Change Ic403 (bu2710)
JVC HRD600 No Channels In Ee Replace Q2 On Tuner Pcb With 2sd1275
JVC HRD7200 Lines Rolling Through Pic. Capstan Speed Slightly Out. Ic7 C1458c Dual Op Amp.
JVC HRD725 All Display Lights Come On. Switch Off And Check. Q2 For S/c Which Causes The 12v Supply To Rise To 23v. change Q1,q2, D2 On P/s And Q3, D13, D17, D18, D19, D20, C13, C14, L1 And Ic1 On Tuner Board.
JVC HRD725 Background Noise In R/h Channel. Replace Video Heads.
JVC HRD725 Changes From Sp To Lp Remove All Glue From Bottom Pcb
JVC HRD725 Int Failure To Play. Check Stiffness In Loading Mechanism And Gears (clean And Re-grease). Also Check Two Small Loading Gears On Loading Rings
JVC HRD725 No E.E. Sound Or Playback Sound. Check Fuse Cp3, Check If 9v On P8 Of Ic5, If Missing Q16 B/c S/c.
JVC HRD725 Perfect Results In Play, No Good In Pause. Check Set Is Level. Chassis Distorts And Produces Noise Bars.
JVC HRD725. Intermittently Unit Goes To Lp When Playing Back Sp Tape. Check The Crimping Of Leads To And From Ctl Head For Poor Connections.
JVC HRD750 Lines Across Picture In Uhf Stations Dry Joints On Tuner Connections
JVC HRD750 No Power....In Power Supply Flash Occurs On Heat Sink Join On Power-up. Scrap Away Pcb Track Around Heat Sink Pin And Silicon Up.
JVC HRD750 No Record In Lp. This Machine Has No Ability To Record Lp Video Only Audio!!!
JVC HRD750 Poor Picture Replace Capacitor On Lower Drum
JVC HRD750 Won't Power Up Replace 1uf 50v Start Up Capacitor.
JVC HRD750 Wont Accept Tape Or Play.Power Light Is On For Short While. Cp2 (1 Amp) Link Leading To Reg.
JVC HRD755 Int Loads Up But No Other Functions. Check For Faulty Cass End Load Switch In Cass Housing.
JVC HRD910 No Sound In Ee Or Video. N10 Protector Cp1 Near Q11 In Audio Section.
JVC HRD910 Poor (distort) Picture Replaced 3.3uf/50v Cap On Drum Motor
JVC HRDJ4000 Tape Goes To Play For Aprox 10 Sec Then Switches Off Take Up Sensor
JVC HRDJ415;HRDJ615 Vcr Shuts Down After 1 Hour Replace Both Reel Sensors & Mss
JVC HRDJ625;HRDJ635 No Power No Go Repalce Q901 And Add A 220 Ohm 1 Watt To R951
JVC HRDX20 No Power.No Go. R3 And R17 220k In Primary Start-up Resistors.Check If Open Circuit.
JVC HRDX22 No Go . After Placing Chassis In Service Position Check Cp1 Fuse In Psu (metal Foil On Lhrear Creates Short Circuit When Chassis Is Put In Service Mode?)
JVC HRDX22 When Tape Unlaces, Tape Is Left Around Drum. Machine Will Not Leave Tape Out On Eject Because It Pulls It In Before Eject. Replace Mode Select Switch, Pu60622-1-1
JVC HRJ200 No Drum Spin Lost 12 Volt Rail To Drum Motor On Pin 1 Of Pcb Connector. replace Cp401 600ma Fuse.
JVC HRJ200 Power Supply Int.Failing. Main 400v Cap.Leaking.
JVC HRS10 Rewind Problems. Check Lever, P.No. Pq40837a.3, For Crack In Plastic And Disloged Pin.
JVC HRS5500 Machine Switches To Svhs And Vhs When Playing A Vhs Tape. Recap Head Amp.
JVC HRS5500 When Switch To A Preset Station. Picture Is There And Then Disappears. Replace Faulty Electro's On Tuner Pcb.
JVC VP100 No Picture In P/back. Chewing Tapes. Solder 1k Ohm Resistor Between Pins 2 And 41 On Cpu On Audio/cpu And Remove Glue Under C1080c2 Next To Plug 2012205 Servo Board.

Last Updated on 20/09/98
By Allan Simpson