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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: 10
Grundig
CUC3490
Dead
o/c HT fuse; s/c chopper tr; sus dry joints pin 5 of daughter pcb
14-09-04
Grundig
CUC3490
Dead - chopper tr s/c & fuse o/c
C667 2µ2 (2 caps) dry joints or low cap
14-09-04
Grundig
CUC3490
Dead - chopper tr s/c, HT fuse o/c
Dry joints pin 5 daughter board
14-09-04
Grundig
CUC3490
dead no line drive or ht
TR651 mains tfmr pins 1-15 o/c, pins 15-17 s/c
14-09-04
Grundig
CUC3490
Field fault - non lin with top missing
Pin 2 field chip only 12v (24v) C411 1000µ 50v supply smoother u/s
14-09-04
Grundig
CUC3490
Field non lin
C411 1000µ 50v supply to fop chip leaky
14-09-04
Grundig
CUC3490
No pic - sound ok
Check A1 volts present on crt base - if not sus leakagein socket
14-09-04
Grundig
CUC3490
No sound
TDA4480 sound chip
14-09-04
Grundig
CUC3490
No sound
TDA448C IC sound chip
14-09-04
Grundig
CUC3490
No sound
R367 o/c & C366 s/c (audio o/p stage supply)
14-09-04
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