jvc AV21F1EK JX Repair Tips
Search: AV21F1EK JX jvc
Results 11
Results 11
Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
---|---|---|---|---|---|
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 | ||
JVC | AV21F1EK JX | Aft 5 Mins Pic shakes from left to right sometimes | C02 or 6Mhz crystal |