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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: 13
BPL
F
MR
9403
Field jitter & lines at bottom of pic
C455 2µ2 50v (pin 2 FOP chip)
14-09-04
BPL
L
MR
940201
Dead - psu faulty
Replace 2SC3807 in base BU508 Power Tr & check green cap here for dry joints
14-09-04
BPL
L
MR
940201
No sound - IC blown
Q511 2SA933 faulty - replace with 2SA1015
14-09-04
BPL
L
MR
9403
Field speed off
C232 3µ3 63v
14-09-04
BPL
L
MR
9403
Lines at bottom
C455 2µ2 50v (pin 2 FOP chip)
14-09-04
BPL
L
MR
9403
No sound
Q511 2SA1015Y & replace R520/521 120k 1/2w, C562 22µ 250v, R562 3R9 1/2w & IC7171 AN5265
14-09-04
ITT
C
MR
800 CMR800
Weak / distorted sound.
C228 ( 100uf , 16v ) in CMR IF.
14-09-04
ITT
C
MR
800/3 CMR800/3
No Sound.
Check pin 11/12/9 for 11.5v. If missing IC202 TDA1035T.
14-09-04
ITT
C
MR
800/3 CMR800/3
Weak Field sync.
If ok on weak signal Change C209 ( 100uF )
14-09-04
Sonatel
MR
-T-750
Field dist at bottom
C610 100µ
14-09-04
Telefunken
ICC7
MR
700
RL26 1k 1w overheated
LL26 in parallel was o/c
14-09-04
Telefunken
MR
260 ICK2
Dead
RL227 56R o/c, LG08 E-W coil s/c, IG01 TDA4590 s/c, caused by CL24 440nF
14-09-04
Telefunken
TX92
MR
702
St/by only
TP60 BC558 s/c, IP AN25TV, CL24 510nF o/c, ZL12 cp in 26v supply o/c
14-09-04
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