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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: 5
Alba
4859
Dead
Q801 2SK2750 s/c, R809 0R47 safety res o/c, check R802 100k, R805 330k, R826 100k
14-09-04
Alba
4859
11AK19
No line drive at sw on (150v HT to LOPTr)
Dis'd D814/815 (+14 & -14v audio o/p ic supply diodes). Replacing TDA2615 aud o/p chip resulted in bright white raster & flickering LED; R914 47R 200v feed to IC901 TDA6107Q on crt base o/c & IC s/c
14-09-04
Alba
CTV
4859
Dead - no line drive - HT ok
IC401 (TDA8840) had an internal short in it dragging down the 8 volt line
14-09-04
Alba
CTV
4859
Low brightness & poor focus
Premature CRT aging
14-09-04
Alba
CTV
4859
11AK10-17
Dead
Q801 (BUZ77B), R809 (0.47R), IC801 (TDA4605-3), C817 (1µF 63v), R805 (330k 0.5w), D808 (BA159).
14-09-04
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Last SM download : Samsung HTE8200EN SB-SI 1355909926
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