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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: 6
Bush
28ZFK
WST66
Dead set. TP2 (FET) Blown and also diode in bridge rectifier cct.
Fit new FET(I fitted a BUZ91 type instead of a P4NA80FI) and IN4007 diode in bridge cct
14-09-04
Bush
28ZKF
WST66
Blank raster
Check TP6 BD441 5v reg, dry joints chopper trfmr
14-09-04
Bush
WST66
Dead - LOPTr S2000AF-1 s/c
When replaced, loud crack & went the same way as predecessor - LOPTx arcing thro pinhole
14-09-04
Bush
WST66
28ZKF
Trips once then dead - LOPTr S2000AF1 s/c
LOPTx cause - FAT30564 ?19.38 SEME
14-09-04
Bush
WST66
4400
Dead - LEDs ok & EHT rustle
No 5v supply pin 39 & 44 of ICR1 & TP6 - BD441 faulty
14-09-04
Bush
WST66
W/S
Int start up; blank screen; no R/C operation
TP6 BD441 in st/by 5v supply - check heatsink clip secure
14-09-04
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