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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: 9
B & O
3600
Blue Picture
16R1 ( 1.5Mohm )
14-09-04
B & O
3600
No E-W Correction
6D5 ( BY299 )
14-09-04
B & O
3600
No Picture - Failureof Line o/p Transitor
0C1 ( 9.1nf )
14-09-04
Grundig
CUC
3600
breathes with brill
Tripler/focus unit u/s
14-09-04
Grundig
CUC
3600
Broad white vert bar & SECAM light on
BU508A LOPTr overheating. TDA8140 chip faulty - driving it at twice freq
14-09-04
Grundig
CUC
3600
No pic - dim vert band
Check loptr base wfm - if low or twice normal speed check C507 100µ & IC550 TDA8140
14-09-04
Grundig
CUC
3600
No pic - pic blanked
Check supplies & sandcastle pulse. Brill & contrast cont volts at pins 2 & 16 TDA8442 IC350 - if low & won't increase TDA8442 is sus
14-09-04
Grundig
CUC
3600
No picture - EHT Ok.
If pins 2 & 16 do not increase if brit/cont is adj IC350 TDA8442.
14-09-04
Grundig
CUC
3600
NO PICTURE JUST DIM VERTICAL BAND ON SCREEN
C507 100uF OR IC550 TDA8140
14-09-04
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