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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: 4
Logik
4090
TX90
No colour
D103 ( BAV20 ) connected to pins 19 &23 of decoder IC.
14-09-04
Logik
4090
TX90
No colour with faint blue cast.
C157 ( 22nf ) leaky on pin 18 of IC103.
14-09-04
Logik
4090
TX90
No colour.
C157 , C159 ( 22nf ) o/c , D103 high or dry jointed.
14-09-04
Logik
4090
TX90
No sync.
C125 ( 2.7nf ) , C129 ( 68nf )
14-09-04
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Last SM download : Philips 32PHA3052
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