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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: 11
Mitsubishi
CT2
555
Ghosting or ringing.
Drys around the SAW filter or coils L4/5 , if not mod kit AFT1 mits
14-09-04
Mitsubishi
CT2
555
STx
Int sound & pic at sw on
C923 100µ 10v in psu
14-09-04
Mitsubishi
CT2
555
STX
No lum
No 12v to Q253 as print o/c top edge of dec pcb
14-09-04
Mitsubishi
CT2
555
STX
No lum - Txt & contrast ok
R286 100R o/c pin 11 IC602
14-09-04
Mitsubishi
CT2
555
STX
NO LUMINANCE
R286 O/C 100OHM
14-09-04
Mitsubishi
CT2
555
STX
PICTURE WOBBLE / LINE TEARING TYPE FAULT
CHECK FOR DRY JOINTS AT LOPT SCREEN WHERE IT CONNECTS TO PRINT
14-09-04
Mitsubishi
CT2
555
STX
Very weak luma with flaring.
Clean glue off luma /chroma board & reconnect gap left in tracks.
14-09-04
Mitsubishi
CT2
555
TX
Wavy lines at sw on - clear when heated
C920 470µ 25v in reg stage next to large heatsink
14-09-04
NEI
555
9NT
Dead
R802 100k 1/2w in PSU pri hi res
14-09-04
Nokia
555
2
Dead - shows 2 dashes when switched on
Flashing green LED when brought out of st/by; will not run on dummy load unless c-e of T742 are s/c (Follow pin 2 of IC742). (When psu is run on dummy load it is normal to get no front display & flashing G LED) Fault was D502 leaky
14-09-04
Toshiba
2
555
DB
No line or field sync
27 Mhz Crystal XT01 next to the SAA I.C., on the actual P.C.B. the cct ref is ZF01.
14-09-04
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