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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: 8
JVCAV25SX1EKField - top crampTDA8350Q chip faulty14-09-04
JVCAV25SX1EKInt Field collapse with it turning offDry joints around FOP14-09-04

JVCAV25SX1EKNo soundIC952 5v supply to Dolby pcb low, check for o/c L601 N10 ccct prot. Dis A mute pin 8 IC601 to restore sound. Fault could be due to micro or eeprom caused by crt flashover14-09-04
JVCAV25SX1EKNo soundIC1952 KIA7805PI 5v reg14-09-04
JVCAV25SX1EKshuts down almost straight after sw onHT correct but EHT high due to C1521 3,800pf 1.5kv reduced cap14-09-04
JVCAV25SX1EK JAFlickering & flashing picFOP chip14-09-04
JVCAV25SX1EK JAFlickering/flashing picFOP chip replacement seems to have cured it14-09-04
JVCAV25SX1EK JAInt pic blanking outTDA8350Q vertical output chip (IC401). If R971 if fitted & overheating, remove it (should not be fitted in UK models)14-09-04
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