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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: 7
B & O
2500
LX
2802
Int reverts to st/by briefly with blank raster on return
Tr6 - use BC338-40 as replacement - checks ok out of cct
14-09-04
B & O
LX
2500 37XX
NO STBY LED SET STUCK IN STBY
C14 470uF 16v OC
14-09-04
B & O
LX
2502
Field distorted
Replaced C44, C45, C46, C49, C26, and C54 plus FOP chip TDA2170 that orig had dry joints
14-09-04
B & O
LX
2800
Blank raster & no sound - OSD OK
C18 on decoder board dry joint
14-09-04
B & O
LX
2800 37XX
Sync - poor sync.
26IC5 ( TDA1940 )
14-09-04
B & O
LX
5500 3903
St/by only after initially being hard to turn on
C20 & 25 47µ 50v
14-09-04
B&O
LX
2802
no raster field collapse
TDA2170 u/s nla TDA8172 in lieu c/w adaptor + 4R78 3k3, 4R85 0R56
14-09-04
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