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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
Make
Model
Problem
Solution
Date
Found: 8
JVC
AV25SX1EK
JA
Flickering & flashing pic
FOP chip
14-09-04
JVC
AV25SX1EK
JA
Flickering/flashing pic
FOP chip replacement seems to have cured it
14-09-04
JVC
AV25SX1EK
JA
Int pic blanking out
TDA8350Q vertical output chip (IC401). If R971 if fitted & overheating, remove it (should not be fitted in UK models)
14-09-04
JVC
AV25VM1
JA
Blank raster with fb lines & top cramping
FOP IC TDA8350
14-09-04
JVC
AV29SX1
JA
Buzz at 6khz on sound
IC601 MSP3410-SDIL multi sound proc chip on AV selector board
14-09-04
JVC
AV29SX1EK
JA
Sound absent
IC805 muti sound proc chip can be cause but IC703 EEPROM pt no AT24C0429SX1EK was faulty (on wrong sound system)
14-09-04
JVC
AV29SX1EK
JA
Sound missing
L & R chans ok at i/p TDA7315D IC401 but nothing leaving it. IC703 EEPROM AT24C)429SX1EK was faulty
14-09-04
JVC
JA
Field scan missing from top
IC401 (fop chip) pin 4 = 14.5v, pin 8 = 42v but was low because FR553 5R6 ?w o/c. eplaced along with TDA8350Q fop chip
14-09-04
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