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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
Samsung
CB7230ZN
P72
Field collapse
TDA3654 FOP chip (tried 3 B4 found one that would work)
14-09-04
Samsung
CI6229T
P72
No pic unless A1 advanced - looks like failing mono tube
C416 2µ2 250v HT decoupler
14-09-04
Samsung
P72
blows field chip every 3 months
change assoc electros & add 1N4148 between pin 9 & 3 IC301(cathode to pin 9) & 1N4148 pin 3 to ground (cath - pin 3) add 12pf cap pin 3 to ground
14-09-04
Samsung
P72
blows field chip every 3 months
change assoc electros & add 1N4148 between pin 9 & 3 IC301(cathode to pin 9) & 1N4148 pin 3 to ground (cath - pin 3) add 12pf cap pin 3 to ground
14-09-04
Samsung
P72
buzzes then off
C806 100µ 25v leaky connected to pin 9 TDA4601
14-09-04
Samsung
P72
buzzes then off
C806 100µ 25v leaky connected to pin 9 TDA4601
14-09-04
Samsung
P72
CI6229T
frame collapse
C808 goes faulty and destroys IC301 TDA3654
14-09-04
Samsung
P72
CI6229T
int. dead or when warm wont come on from stby
C806 100uF 25V (pin 9 TDA4601)
14-09-04
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