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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
Bush
2160
NTX
Dead
UC3844 in psu, LOPTr MJF18204 s/c (used BUT12A in lieu)
14-09-04
Bush
2160
NTX G1000
Bright raster with sound
No HT to RGBs - R315 10R pin 9 LOPTx o/c
14-09-04
Matsui
2160
DEAD CHANNEL LIGHTS ON
STR58041
14-09-04
Matsui
2160
Dead with whine
D512 R2M diode across HT line s/c - also replace STR58041 as a precaution
14-09-04
Matsui
2160
Int start up - can go for days between
STR58041 chip
14-09-04
Matsui
2160
No pic sound ok
HT at LOPTr but no line drive; IC401 µPC1420CA o/p pin 26 reads wrong at 3v dc - chip faulty
14-09-04
Matsui
2160
noise at full vol with blank screen chan ind ok
lopt u/s - over ?70
14-09-04
Matsui
2160
Small pulsing pic, with all volts low or dead - chan lights present
IC501 STR58041 chopper chip
14-09-04
Matsui
2160
/2180
dead - chan display only
R503/4 150k suspect & STR58041
14-09-04
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