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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: 15
BPL
9002ECR
Hissing from LOPTx & HT low at 75v
C561 220µ 250v HT res cap
14-09-04
BPL
9002ECR
Patterning on pic
C562 22µ 250v
14-09-04
BPL
9002ECR Mk2
Dead - caps in psu sec had blown up
Hi HT - change Q511 2SA1015 , R552 91k, R555 47k & opto coupler
14-09-04
BPL
9002ERC
No OSD ot tunimg
R722 12k o/c
14-09-04
BPL
9009KDR
Lines over pic & bent verts
C421 1000µ faulty - decoupler for IC201 supply pin 6
14-09-04
BPL
BPL9402
Dead
Q432 BU508DF s/c - check C435 4700pF 2kv for o/c & R552 91k for o/c & drive wfm from IC701
14-09-04
BPL
FMR9403
Field jitter & lines at bottom of pic
C455 2µ2 50v (pin 2 FOP chip)
14-09-04
BPL
KLR9402-01
St/by only
No line dr supply - R793 4K7 o/c
14-09-04
BPL
LMR940201
Dead - psu faulty
Replace 2SC3807 in base BU508 Power Tr & check green cap here for dry joints
14-09-04
BPL
LMR940201
No sound - IC blown
Q511 2SA933 faulty - replace with 2SA1015
14-09-04
BPL
LMR9403
Field speed off
C232 3µ3 63v
14-09-04
BPL
LMR9403
Lines at bottom
C455 2µ2 50v (pin 2 FOP chip)
14-09-04
BPL
LMR9403
No sound
Q511 2SA1015Y & replace R520/521 120k 1/2w, C562 22µ 250v, R562 3R9 1/2w & IC7171 AN5265
14-09-04
BPL
Various
Field top foldover
220R res over scan coils o/c
14-09-04
BPL
/Zenor
KLR9403
Patt & no chan store
Earth on TXT panel o/c from main pcb - resolder
14-09-04
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