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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
Akai
CT2142
VN
T
Poor pic with fbck lines and curious col
IC301 pin 12 supply only 7v5 (9v1). R424 (0R68) hi res
14-09-04
GOODMANS
VN
6000
DEAD
REPLACE C822 IN POWER SUPPLY 330MFD63V
14-09-04
Goodmans
VN
6000
Dead - orig int dead
C822 & 823 in psu low cap
14-09-04
Naiko
CT
VN
2897
Sound absent - pic ok
No 26v supply to audio chip. Replace QR26 (TIP115).
14-09-04
Samsung
W124W6
VN
Brightness varies
A1 pot on LOPTx - replacement LOPTx only cure
14-09-04
Samsung
WI28W6
VN
Dead
replace processor chip SAA5553PS/M3/0069 probably caused by dry joint on chopperTX
14-09-04
Tatung
VN
2CCO
Child lock removal
press & hold P+ button on front of set whilst turning the mains on.
14-09-04
Tatung
VN
2CCO
Tuning menu access
press the button on the front with a small square in a TV screen.
14-09-04
Thomson
21CB26
VN
Dead - psu works on dummy load
RP531 100R sm o/c (had prev had FOP chip IF01 & chopper FET TP20 changed)
14-09-04
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