jvc JX Repair Tips
Search: JX jvc
Results 22
Results 22
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| JVC | JX | Blank raster when A1 advanced - sound ok | TDA4580 RGB vid controller chip | ||
| JVC | AV28F1EK JX | Int reverts to st/by | check for dry joints on regs IC521/522 | ||
| JVC | AV25F1EK JX | STARTS UP THEN SHUTS DOWN | Q031 OC | ||
| JVC | AV25F1EK JX | PSU powers down aft a sec of sw on | HT was excessive - Q031 2SC1815YG o/c | ||
| JVC | AV25F1EK JX | INT. RF , COULD BE MISTAKEN FOR TUNER Clue is No | IC522 DRY JOINTS | ||
| JVC | AV25F1EK JX Chassis | Dead - LOPTr Q502 BU508AFI s/c | Caused by faulty LOPTx | ||
| JVC | AV25F1 JX | Dead | Q001 SGSIF444 chopper tr s/c, IC001 TEA2261, CNX82A opto also replaced to prevent repeats | ||
| 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 | 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 secs then goes off in prot 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 |