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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
Bush
WS6673
11AK19P5
Dead - check for dry joints
Also replaced LOPTr which then produced 1" line scan - D622 BY228 leaky & R629 2R7 o/c. There's a mod for psu (11DYC19P) to fit heatsink for diode that burns up
14-09-04
Bush
WS6673
11AK19P5
Dead - D823 blown (not shown on cct)
When replaced still faulty, IC802 MC44604P chopper chip u/s - also check FET chopper Tr
14-09-04
Bush
WS6673
11AK37
Width excessive
C622 12nF 350v s/c
14-09-04
Bush
WS6673
SIL
Trips with LOPTr 2SD2579 s/c
Check dry joints C626 flyback cap & measure its value 12nF 2kv
14-09-04
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