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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
GEC
C2290H 2036
Hi
t
Dull raster may not have any colour.
IC ( TDA3561A ) decoder.
14-09-04
Goodmans
286NS (P
hi
lips L6.3 chassis)
No sound - noise only from speakers
MPS3410 chip faulty - replaced audio pcb
14-09-04
Hinari
HI
T10R Baby10
Fuse o/c & Diode BY299 s/c.
Change C345 ( 1000uf 35v ) at back
14-09-04
Hinari
HI
T51
St/by only
Earthing opto coupler D111brings set to life - opto faulty
14-09-04
Matsui
1410R P
hi
lips CTNBB
St/by only
Cracks around LOPTx
14-09-04
Mitsubishi
CT14MV1 P
hi
lips
Dead - shuts down straight away when bringing out of st/by - prot cct activated
To deactivate prot cct remove Plug 1923 on TV/LTB board. This gave 2" band across screen. Pin 8 FOP chip IC7510 low at 1.5v (11v). 32v line low at 11v - IC7331 reg TL431CLP faulty
14-09-04
Powerpoint
CTN BB (P
hi
lips)
Dead
- 2 x mains rects s/c, STP3NB80F s/c; cause - R3519 150k hi res also check R3520
14-09-04
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