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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 22
JVCAV21F1EK JX ChassisNo OSD ot Txt - could be intCheck dry joints reg IC52214-09-04
JVCAV21F1EK JXAft 5 Mins Pic shakes from left to right sometimesC02 or 6Mhz crystal14-09-04

JVCAV21F1EK JXBlank screenBad joints pin 2 LOPTx14-09-04
JVCAV21F1EK JXCOMES ON FOR 10secs WITH LEDS LIT BUT NO PICTURE AREMOVE PLUG "Q" IF SETS POWER SUPPLY THEN RUNS AT 127v REPLACE IC801 TA8216AH14-09-04
JVCAV21F1EK JXDead - int blows BU508AFI LOPTrsCheck 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 osc14-09-04
JVCAV21F1EK JXHum bar on picRipple on HT line caused by L2001 in chopper tr base drive o/c14-09-04
JVCAV21F1EK JXInt loss of signals4Mhz Xtal inside synthesis tuner dry joint14-09-04
JVCAV21F1EK JXInt sync after 5 minsC02 tant cap in IF AGC cct14-09-04
JVCAV21F1EK JXInt tuner driftDry joints IC522 5v reg14-09-04
JVCAV21F1EK JXLED comes on for 10 secs then goes off in prot modeWith 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 faulty14-09-04
JVCAV21F1EK JXPICTURE LOOKS TO HAVE HUM BAR ON ITL2001 IN CHOPPER BASE FEED OC Pt-No CELC005-2R514-09-04
JVCAV21F1EK JXREPEATED FAILURE IC3101CHANGE C105 TO 4.7uF LINK -VE TO IC3101 HSINK14-09-04
JVCAV21H1EK JXBlows Q502 LOPTr at sw onD502 BY228 E-W mod diode s/c14-09-04
JVCAV21H1EK JXNo signals or osdIC522 12v reg dry joints14-09-04
JVCAV21H1EK JXVarious int faultsCheck IC522 reg on large heatsink for dry joints14-09-04
JVCAV25F1 JXDeadQ001 SGSIF444 chopper tr s/c, IC001 TEA2261, CNX82A opto also replaced to prevent repeats14-09-04
JVCAV25F1EK JX ChassisDead - LOPTr Q502 BU508AFI s/cCaused by faulty LOPTx14-09-04
JVCAV25F1EK JXINT. RF , COULD BE MISTAKEN FOR TUNER Clue is NoIC522 DRY JOINTS14-09-04
JVCAV25F1EK JXPSU powers down aft a sec of sw onHT was excessive - Q031 2SC1815YG o/c14-09-04
JVCAV25F1EK JXSTARTS UP THEN SHUTS DOWNQ031 OC14-09-04
JVCAV28F1EK JXInt reverts to st/bycheck for dry joints on regs IC521/52214-09-04
JVCJXBlank raster when A1 advanced - sound okTDA4580 RGB vid controller chip14-09-04
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