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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: 3
JVC
AV28WR4EK
Crackle on sound oc Sky dig via scart - ok on RF
Audio o/p of dig Rx set too high - enter system set up in Menu & adj/store vol in audio menu
14-09-04
JVC
AV28WR4EK
Pic shifted to right in all modes - may be int
Loss of hor fback pulses to IC101 due to Q501 2SC1815 s/c
14-09-04
JVC
AV28WR4EK
S
Dead
Replaced s/c MC44604P chopper chip, CP953 blown, optocoupler TLP721FD4GR and the error amp SE-135N finally cured the problem (HT was rising above its correct 145v)
14-09-04
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