| HITACHI | ALL MODELS | Refer To Technical Service Information Book. | |
| HITACHI | GP4B | Int Green Picture. | Check R149 And R150 Touching Each Other. |
| HITACHI | VM1280 | No Tape Functions, (tape Stuck). Turns Off | 9 Volt Reg Failure Ic 906 |
| HITACHI | VM2380 | Poor Colour From Camera Section. | Located O/c Track B/t Lum Setup Pot (rm201 Pot 1) Pin 3 & Pin 13 On Ic202. Note: Some Versions Its Pin 6 On The Pot Array(rm201) That Goes To Pin 13 On Ichybrib 202. Reset Pederstal To 0% |
| HITACHI | VM600 | Tape Stuck. No Functions audio Head Asy Jammed In Wrong Posistion, Jumped Out Of Main Cam | Brakes In Reel Drive Sticking On. repalce Brake Pads. |
| HITACHI | VME16 | Drum Wont Run, Int. Or Runs Flat Out | Connector B/t Drum Pg/fg To Main Board, Worn, Resolder |
| HITACHI | VME16 | Wont Play. No Camera Image. | Caps, Open Circut Track To Dcdc In Camera, Cam 5v Should Be Low. |
| HITACHI | VME23 | Capstan Motor | New Capstan Motors Faulty.. |
| HITACHI | VME25 | No Image From Camera. Since New. | Replace Sensor Pcb (ic1003 Hybrib). Adjust Sensor Drive Pulse & Sensor Sub Voltage Adj. See Pg 4-3 Camera Analogue Adjustment Only Needed, Unless Ccd Replaced. |
| HITACHI | VME53 | Did Have Trouble In Evf. Blows Fuse (2 Amp), No Go, drum Not Getting Up To Speed, Or Wont Change Direction | C654 10µ 16 V Electro Near Drum Servo Ic, Drum Fg |
| HITACHI | VMH610 | No Camera Operation. | Replace Lens Asy. Kq10432. |
| HITACHI | VMH610 | No Image Or Power From Camera, Tape /playback Is Ok | Camera Cpu No Clock Outputs To Camera. (ic Hd6433042toif (ck12261u) But You Need Realy Small Smd Iron To Replace!!! |
| HITACHI | VT11 | Colour Break Up Of Top Part Of Screen | C257 (4.7 Mfd) D/j On Y/c Board. |
| HITACHI | VT11 | Drum Motor Running Continuously. | Change Both Q601 And D614. (may Check Ok But Is Faulty) |
| HITACHI | VT11 | Fails To Operate When Cold. | Replace Both Loading Belts |
| HITACHI | VT11 | Int Capstan Speed Faulty After Play. 3 Hr Tape Twice. | Change Clutch Assembly |
| HITACHI | VT11 | Int Tracking And Sound. | Replace Pinch Roller And Assembly. |
| HITACHI | VT11 | Intermittent Stopping/tape Snagging. | 1. Check Pinch Roller. 2. Check Clutch Assembly Intermittent Siezure (under Deck). Lubricate Shaft. Cures Fault. |
| HITACHI | VT11 | Loads Up, Runs Ten Seconds Then Shuts Down. | Change Worn Idler Mode Switch Incorrectly Set. |
| HITACHI | VT11 | Machine Goes Ff When Rewind Has Been Selected. | Look For Faulty Rewind Switch Reads 100 Ohms Which fools Sensors. |
| HITACHI | VT11 | Machine Selecting A Mode Contrary To That Selected. | Change D453 (leaky) |
| HITACHI | VT11 | No Tape Functions. Fails To Operate When Cold. | Replace Both Load Belts. |
| HITACHI | VT11 | Operated Led Dosent Come On When Button Pushed. | Stop Switch Faulty. (connects Pin 23 Of Ic902 To Chasis) |
| HITACHI | VT11 | Partly Laces Up Then Stops. | Change Loading Motor And Belts. |
| HITACHI | VT11 | Set Ejects Cass Too Fast. | Change Hydraulic Clutch. |
| HITACHI | VT11 | Take Up Spool Stopping | Change Idler Assembly. |
| HITACHI | VT120 | No Colour On Playback. | Change Ic301 (ht4539b). |
| HITACHI | VT128 | Int Stops. Int Chews Tapes. | Capstan Motor Int. Low Torque. |
| HITACHI | VT130 | Tuner Scans But Wont Lock Onto Station. | Change Tuner/i.F. Module. |
| HITACHI | VT14 | Int Loss Of Sound In E-e | Change Audio Defeat Ic721 (located On Programme Board) |
| HITACHI | VT14 | Poor Picture In Ee Mode. | Replace C859 470mfd. |
| HITACHI | VT14 | When Switched On For Timed Recordings Set Goes Into Record. | Change Ic904 (hd38702a25) If Still Faulty Check Ic101 And Ic102. |
| HITACHI | VT14 | When Tuned In Through Video Very Poor Picture. | Check C859 (470 Mfd ) 6.3v |
| HITACHI | VT148 | Won't Accept Tape, No Functions. | Stk5372 In Power Supply Faulty. |
| HITACHI | VT17 | Poor Frame Advance, Chewing Tapes, | Contamination Of Capstan Bearings Due To Not Being Sealed Properly. Possible Effects Are Chewed Tapes, Poor Frame Advance and/or A Loop Of Tape Left Hanging From Cassette. |
| HITACHI | VT19 | Counter Display Clears Itself When F.F/rewind Selected. | Change Ic2010 (hd38805a27) |
| HITACHI | VT19 | Int Chews Tapes, Int Stops. | Int Capstan Drive. Dj On Ph1151 Offpin2 Of Ic1151 On Servo/reg Pcb. |
| HITACHI | VT19 | Int Stops, Int Display. | No 10v, Q1795 Faulty. |
| HITACHI | VT19 | Play Mode, Sp Cass Is Inserted, Swit. To Lp, Wont Switch Sp | Change Ic908 (ha11768) |
| HITACHI | VT19 | See Vt17 | |
| HITACHI | VT19 | Set Int. Resets Itself, Wont Manually Reset. | Hitachi Mod, Change Q1795 (p/s Back Up Board) To 2sd468/2sd8822. Also Replace Wire Link K1788 (between Pin 5 Of Rc1795 And The 10v Line) With A Diode (type 1s2076, 1s2473 Or 1ss133, Anode To Pin 5, And Decouple Pin 5 With An 0.22uf Capacitor Add Between |
| HITACHI | VT19 | Sound Instability | Change Relay With Hitachi Updated Version, Do Following Mods. Change Resistors R462l And R462r From 2.2 K Ohm To 680 Ohm And Add Diodes (type 1s2076 Or 1ss133 Or Equivalent) Between These Resistors (ic405 End) And The Bases Of The Transistors. These Modi |
| HITACHI | VT20 | Snowy Pic, Looks Like Heads Faulty, When Cold. | C1159 (100µf/25v) |
| HITACHI | VT220 | See Vt120. | |
| HITACHI | VT33 | Cass. Loads But Wont Lace Up. | Change Ic902 (m54543l) (locaated On Syscon Board) |
| HITACHI | VT33 | Eratic Operation Of Vtr Function Buttons. | Buttons Hr. Replace. |
| HITACHI | VT33 | Int Loads By Itself. Int Ejects. | D907 On Main Pcb (dan201) |
| HITACHI | VT33 | Int Loss Of Colour. | Check Ic203 (ht 4239) If 9volt Has Dropped To 5 Volt L215 O/c. Also Check Q217/q358. |
| HITACHI | VT33 | Int Stops In Play/rec. | Idler Clutch Assy Sticking, Replace |
| HITACHI | VT33 | Interm. Or Hot. Colour On P/back Flickers To B & W. | Check For Heat Sensitive R638, 12k Ohm, Near Ic 603. |
| HITACHI | VT33 | Loads Then Unloads. | Check Loading Gears Out Of Alignment (link Pin 1 And 4 To Service Machine Without A Cassette). Check The Arrows All Line Up With The Carriage In The Up Position. |
| HITACHI | VT33 | Looks Like Video Heads Faulty. | Check Pin 12 Of Ic202 (ht4328) If Ok Look For Missing Timing Pulses. |
| HITACHI | VT33 | Machine Wont Work, Loading Mechanisim Stiff. | Check Loading Motor Close To Seizure, Clean And Lubricate. |
| HITACHI | VT33 | No Opertaion | Regulator Ic 151 Stk5421 |
| HITACHI | VT33 | No Rewind Of Picture Search. | Check Wires To End Sensor (q141) Are Soldered Into Cassette Loading Motor Board. |
| HITACHI | VT33 | No Rewind Or Review. | Check That Wires To End Sensor (q14) Are Soldered Onto Cassette Loading Motor Board. |
| HITACHI | VT33 | No Tape Functions. Loading Mechanisim Stiff Or Jamming. | Check To See If Load Motor Is Near Seized. |
| HITACHI | VT33 | Not Detecting Start Or End Of Tape. | D141. End Lamp. Ptno. 7091416 |
| HITACHI | VT33 | Not Loading Correctly. | Check Broken Teeth On Cog In Loading Mechanism. |
| HITACHI | VT33 | Own Rec., I Cm Bar Going Up Pic.,rolling And Snowy Picture. | Change C859 470mfd 6.3v (near O/c) |
| HITACHI | VT33 | Set Won't Play Or Record When Hot. | Change Stk5421 In Servo Supply. |
| HITACHI | VT33 | Set Works In All Modes Except F.F. | Change Capstan Drive I.C. (m545484). Check Under Pg112 For Solder Shorts. |
| HITACHI | VT33 | Slow Or No Rewind Or F.F. Chewing Tapes. | Replace Reel Idler Pulley. |
| HITACHI | VT33 | Turns Off After 5 Secs, Tape "in" Light On. No Tape In Vcr | No 9.5v, Stk5421 In Psu U/s. |
| HITACHI | VT33 | Won't Turn On Or Int Stops. | Regulator Ic Stk4521 U/s. |
| HITACHI | VT39EM | Low Sound Of Own Recording And E-e Sound. | Ic803 (aa313) Faulty. |
| HITACHI | VT410 | Set Loads Up Then Stops. No Deck Functions. | Change Ic902 (ba6209u2) (loading Motor I.C.) If Pin 8 And 9 Of Ic901 Are O Volts And 4.7 Respectively. |
| HITACHI | VT410 | Set Wont Accept Tapes. | Check Ribbon Connector Is In Correct Position On Main Pcb. |
| HITACHI | VT4100 | Operate Button Fails To Light When Button Is Pushed. | Change Stop Switch Which Earths Pin 23 Of Ic902. |
| HITACHI | VT418 | Won't Accept Cassette. | Check Outputs Of Power Regulator Ic851, Stk5372. |
| HITACHI | VT428 | Int Stops, Int Or Won't Accept Tapes. | Int 5v Rail, Stk5372 Faulty. |
| HITACHI | VT498 | Shuts Down In Ff Or Rewind, | Take Memory Off Counter |
| HITACHI | VT5000 | In Playback Mode, Running Twice Normal Speed,no Pause. | Change Ic504 |
| HITACHI | VT5000 | Int Variations In Speed With Playback And Record. | Change And/or Check Position Of After Load Switch S931. |
| HITACHI | VT5000 | Int Wowing On Sound With Horiz. White Bars, Dimming Clock. | Check 12 Volt Regulator Around R662 For D/j's |
| HITACHI | VT5000 | No Clock Display. | Change Ic701 If Hot And Ic101 |
| HITACHI | VT5000 | Record Button Rejects When A Timed Recording Starts. | Look For Broken Sensor Lead Under Pinch Roller Arm. |
| HITACHI | VT5000 | Wont Release From Pause Mode, Going To Stop After Few Sec. | Change And/or Check Position Of After Load Switch S931. |
| HITACHI | VT518 | Plays At Half Speed. Noise Bar Across Screen. | Audio/ctrl Head Stack Dirty. No Control Track Pulse. |
| HITACHI | VT528 | No Play Functions. Tape 1/4" Higher Than It Should Be. | Replace R.H. Side Plate Of Front Loading Mechanisim. |
| HITACHI | VT548 | Hum Noise If Connected To Hi-fi Amplifier. | Change C641, 642, From 10µ To 47µ. On Mas Pcb. |
| HITACHI | VT548 | No Play Functions. Tape 1/4" Higher Than It Should Be. | Replace R.H. Side Plate Of Front Loading Mechanism. |
| HITACHI | VT5500 | No Clock Display. | Change Clock Ic First. Check If 6v Line Which Supplies Q703 Missing, R954 O/c In P/s. |
| HITACHI | VT57 | Capstan Motor Int Stops. | Check For D/j's On Posistor Ph1151, Or Motor Drive (ic1151) Faulty. |
| HITACHI | VT57 | Interm. Stops In Play Rec. Modes. Capstan Interm. Stops. | Check For Dry Solder Joins On Posistor Ph1521 And Motor Drive Ic1151. |
| HITACHI | VT57 | See Vt17 | |
| HITACHI | VT63 | After First Switch On Will Accept Tape Then Ejects. | Check For Dry Solder Joins On Posistor Ph11521 And Motor Drive Ic1151. |
| HITACHI | VT63 | Fluor Display Has Some Blacked Out Figures. | Change Ic101 (m50757-681sp). |
| HITACHI | VT63 | Loads Up Then Stops. | Check For Loss Of 12volt Supply Because Ic151 (stk5451) Reg. Faulty. * Check Capstan For Scoring Lubricate Before Replacing In Set. |
| HITACHI | VT63 | Machine Produces A Squeaking Noise In F.F. Or Rewind. | Remove Bar At Base Of Capstan And Lubricate Or Change With Modified Type From Hitachi. |
| HITACHI | VT63 | When Switched On Set Loads Up, Ejects, Wont Accept Tape. | Check For Faulty Tape Sensors, Measure Voltages At Pins 6 And 7 Of Pg904 With No Tape In Machine If Less Than 9.5v, Change Both Sensors Part Nos. Are 5381681 And 5381682 Which Make A Set. |
| HITACHI | VT63 | Won't Accept Tape, Partially Loads Carriage With No Tape In | Supply Side End Sensor. |
| HITACHI | VT64 | After First Switch On Accepts Tape Then Ejects. | Check End Of Tape Sensors. |
| HITACHI | VT64 | See Vt63 | |
| HITACHI | VT640 | Clock Flashes Bright Then Dull, Picture Fuzzy, Jagged Lines At The Same Time. In Ee, Rf Out And Video Out. | Change C715 (100uf/25v) On Pcb Board At Front Right Hand Side Of Machine, Behind Clock Pcb. |
| HITACHI | VT640 | Drum Stops Intermittently | Dry Joint R699 Or Q605 |
| HITACHI | VT640 | Picture Noise After 30 Mins. | Readjust Servo Assist Circuit As Per Manual. |
| HITACHI | VT640 | Tape Loads Then Unloads In Carriage | Replace Both End Sensors |
| HITACHI | VT640 | Won't Accept Tape, Partially Loads Carriage With No Tape In | Supply Side End Sensor Faulty. |
| HITACHI | VT65 | After First Switch On Accepts Tape Then Ejects. | Check End Of Tape Sensors. |
| HITACHI | VT65 | See Vt63 | |
| HITACHI | VT6500 | No Reel Motor Drive. | Suspect Ic 901, Ta4310, Mounted On Reel Motor Driver Pcb On Underside Of Chassis Next To Reel Motor. P.No. 5358861. |
| HITACHI | VT6500 | Switches Off By Itself Intermittently. | Resolder Operation Pcb Clean On/off Functions Switch. |
| HITACHI | VT6500 | Wont Switch On. | Replace Int. Power Switch. |
| HITACHI | VT7E | No Clock Display, Sometimes Shows L-01 Or Similar On Display, Portapack Also Wont Turn On. | Ic 4011 On Vs Board |
| HITACHI | VT8000 | Absence Of E-e Sound And Video With Normal Test Signal. | Look For 12v Line If Missing Zd053 Goes S/c. |
| HITACHI | VT8000 | Colour Drops Out Or No Colour At Top Of Picture. | Change Q225 (2sc2021). |
| HITACHI | VT8000 | Faulty Tracking Creasing Tapes | Check Impedance Roller Is At Right Height (next To Full Erase Head). |
| HITACHI | VT8000 | Int Colour. | Change Ic203 (ht4209) On Lum/chrom. Board. |
| HITACHI | VT8000 | Int F.F. Or Rewind. | Change Reel Motor. |
| HITACHI | VT8000 | Int Loss Of Sound And Signal. | Check I.F. Module For D/j's At Junction Of The Copper Track And Tabs On Screening Wall. |
| HITACHI | VT8000 | Int Stops In Play, Rec. F.F. Or Rew. Unlaces In Rec, Play | Check Operation Of After Load Switch By Looking For The Loading Poles Going Fully Home. If Belts Are Not Slipping Check For No Drum Tacho Pulses To The Mechanon Board. |
| HITACHI | VT8000 | Int Tape Tangling On Rewind. | Check And Clean Take Up Brake, Check Brake Arms Are Free To Operate. |
| HITACHI | VT8000 | Int Vision In Record And E-e | Look For D/j In Earthing Of I.F. Module. |
| HITACHI | VT8000 | Loads Up Then Switches Off. | Change Ic901 (hd44801a05). |
| HITACHI | VT8000 | Modulator Not Working. | Check Voltage Supply To Q1, Q2, Q6. |
| HITACHI | VT8000 | No Functions After Smoke Coming From Set. | Check Both Drum Motor I.C. 's Burnt. Check Q513 O/c B/e. |
| HITACHI | VT8000 | No Functions With Operate Led Out. | Look For R054 1.5k Ohm O/c, This Biases Regulator Q053. |
| HITACHI | VT8000 | Pause Control No Effect In Record Mode. | Check Loading Switch Spring In Position Or Missing. |
| HITACHI | VT8000 | Rapid Eject. | Change Nylon Cog In Eject Damping Mechanisim. |
| HITACHI | VT8000 | Remote Wont Change Channel, Must Have Cass Inserted To Fun. | Check If Cc112 O/c On Timer Board. |
| HITACHI | VT8000 | Suspect Modulator. | Check Series Choke, Also Transformer T2 For O/c. |
| HITACHI | VT8000 | When Play Is Selected Capstan Motor Runs At Irregular Spee. | Check 9 Volt Supply At Pg502/6 And 12 Volt Supply At Pg502/7 If Low R054 On Syscon Board High Or O/c. |
| HITACHI | VT8000 | Wont Go Into F.F. Every Thing Else Ok. | Change Ic906 (ta4193) |
| HITACHI | VT8000 | Wont Load Or Unload. | Check R081 (2.2 Ohm) On Syscon Board O/c. Replace With Posistor Ptmar2r2m, If Still Faulty Check Reel Motors And Ic901 (hd44801a-05). |
| HITACHI | VT8000 | Wont Record. No E-e. No Functions. No Operate Light. | Check R069 And/or R054 Both 1.5kohm For O/c. Check Also Do55 For S/c. |
| HITACHI | VT8000 | Wont Turn On When Oper. Switch Is Pressed,will In Timer Mod | Check 5.1v Zener Diode In Switch On Network (located On Pin 41 Of Ic901) |
| HITACHI | VT8000 | Wont Unlace Cass. | Check Loading Motor Trans Q902 (2sc1162wt) O/c, R081 (2.2 Ohm) O/c.If 650mv On Base Of Q902, Change Reel Motor. |
| HITACHI | VT8300 | Int Vision In Record And E-e | Look For D/j's In Earthing Of I.F. Module. |
| HITACHI | VT8300 | Machine Wont Work. Stop Light Flashing. | Cass Lamp O/c. |
| HITACHI | VT8300 | Only Partly Functioning. | Check Q942 9v Supply Is Missing Because R987 1k Ohm O/c. |
| HITACHI | VT8300 | Squeaking And Distorting On Sound. | Check Audio Control Head. |
| HITACHI | VT8300 | When In Play Selected Set Unlaces, Pinch Roller Wont Engage | Check Loading Belt If Ok Check Pin 29 Of Ic901 Should Change, If Not Mode Switch. |
| HITACHI | VT8500 | See Vt8000 | |
| HITACHI | VT86 | See Vt17 | |
| HITACHI | VT8700 | Cass Lamp Not Working. | Check R653 (220 Ohm) O/c In Series With Lamp. |
| HITACHI | VT8700 | Int Tuner/i.F. Signal | Look For D/j's On I.F. Earthing If Q851 Collector Floating. |
| HITACHI | VT8700 | No Sound Or Picture In E-e | I.F. Module Faulty Earthing. |
| HITACHI | VT88 | Poor Frame Advance, Chewing Tapes, | Contamination Of Capstan Bearings Due To Not Being Sealed Properly. Possible Effects Are Chewed Tapes, Poor Frame Advance and/or A Loop Of Tape Left Hanging From Cassette. |
| HITACHI | VT88 | See Vt17 | |
| HITACHI | VT88 | Wont Eject Properly, When Ejected, It Immediatly Goes Back. | Change Complete Cassette Housing. |
| HITACHI | VT9000 | Int Sound On E-e And Play Mode. | Check D/j's On Relays And C429. |
| HITACHI | VT9000 | No Sound Or Picture In E-e | I.F. Module Faulty Earthing. |
| HITACHI | VT9000 | Squealing Noise In Playback Then Stops. Runs Slow | Change Capstan Motor. 5577324. |
| HITACHI | VT9300 | Not Playing Tape. Capstan Motor Not Functioning. | Dismantle Capstan Motor And Overhaul Or Replace. |
| HITACHI | VT9500 | Failure To Record. | Change Ic201 If Signal Level At Pin 25 Low Should Be 4v P-p. |
| HITACHI | VT9500 | No Capstan Motor Rotation. | Seized Capstan Motor (top) Bearing, Lubricate Usually Fixes. |
| HITACHI | VT9500 | No Sound Or Vision In E-e | Change Ic909 (ta4349) |
| HITACHI | VT9500 | Wont Lock Drum In Record And Int In Pb. Ee May Also Drop | Stk5720 Voltage Regulator On Power Supply Pcb. Failing. 9volt Rail Varies |
| HITACHI | VT9700 | Counter & Oper. Light Flash, After 5 Min. Operat. Clock Ok. | Check 9 Volt Regulator If Intermittent. |
| HITACHI | VT9700 | Intermittently Runs Slow. | Change C506, Check Capstan Motor For Seizing. |
| HITACHI | VT9700 | Runs Slow Intermittently | Capstan Motor Internal Short. |
| HITACHI | VTM728 | Wont Alwasy Load Tape. No Tape Functions | Capstan Bearing, Clean And Lube |
| HITACHI | VTS895 | Trouble With Tracking.Esp.Pause! | Load/mode Block Assembly.As Guides May Not Be Fully Locked. |