JVC TV Repair: Common Faults and Solutions.
Search: JVC
Results: 432
Results: 432
JVC Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| JVC | AV21H2EK | Random "nicam" displayed on screen | Sf012 filter typre 32.9 on nicam pcb - upgrade to type 33 pt no ce42606701 | ||
| JVC | AV21H2EK | No sigs, osd, txt - ok on scart & r/c | R527 6r8 1w fusible o/c - near loptx | ||
| JVC | AV21H2EK | No sigs or graphics - ok via scart | No i/p to 5v reg ic522 due to r527 6r8 o/c - replace both | ||
| JVC | AV21H1EK JX | Various int faults | Check ic522 reg on large heatsink for dry joints | ||
| JVC | AV21H1EK JX | No signals or osd | Ic522 12v reg dry joints | ||
| JVC | AV21H1EK JX | Blows q502 loptr at sw on | D502 by228 e-w mod diode s/c | ||
| JVC | AV21F2EK | No sigs or osd | No 5v supply - 6r8 2w reg feed res o/c caused by excess current from txt pcb due to ic002 sda5243 faulty | ||
| JVC | AV21F1EK JX | Repeated failure ic3101 | Change c105 to 4.7uf link -ve to ic3101 hsink | ||
| JVC | AV21F1EK JX | Picture looks to have hum bar on it | L2001 in chopper base feed oc pt-no celc005-2r5 | ||
| JVC | AV21F1EK JX | Led comes on for 10 seconds then goes off in sport mode | With plug r dis'd to isolate psu from lop stage still tripped. when plug q removed (feed to audio chip) set stayed on. ic801 ta8216ah faulty | ||
| JVC | AV21F1EK JX | Int tuner drift | Dry joints ic522 5v reg | ||
| JVC | AV21F1EK JX | Int sync after 5 mins | C02 tant cap in if agc cct | ||
| JVC | AV21F1EK JX | Int loss of signals | 4mhz xtal inside synthesis tuner dry joint | ||
| JVC | AV21F1EK JX | Hum bar on pic | Ripple on ht line caused by l2001 in chopper tr base drive o/c | ||
| JVC | AV21F1EK JX | Dead - int blows bu508afi loptrs | Check for dry joints/resolder double sided video/chroma daughter board where line osc ic203 resides esp links ex001, 002, 004 015 & 019 - caused by int momentary loss of line osc | ||
| JVC | AV21F1EK JX | Comes on for 10secs with leds lit but no picture a | Remove plug "q" if sets power supply then runs at 127v replace ic801 ta8216ah | ||
| JVC | AV21F1EK JX | Blank screen | Bad joints pin 2 loptx | ||
| JVC | AV21F1EK JX | Aft 5 mins pic shakes from left to right sometimes | C02 or 6mhz crystal | ||
| JVC | AV21F1EK JX CHASSIS | No osd ot txt - could be int | Check dry joints reg ic522 | ||
| JVC | AV-21F1EK | Dead except for led`s flashing | Ic801(ta8216) s/c on lhs pcb |