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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
Akai
CT2125
Comes on with chirping noise & st/by led on then trips out after 1/2 min
C817 100µ 25v
14-09-04
Akai
CT2125
Int blank raster with fb lines
OK when con TD203 on txt pcb removed - TZ01 27Mhz Xtal
14-09-04
Mitsubishi
CT2125
TX
Dead - standby light flashing.
HT @ 35v , D961 ( 6.2v zener ) leaky.
14-09-04
Mitsubishi
CT2125
TX
Dead.
D909 ( 3v zener ) s/c.
14-09-04
Mitsubishi
CT2125
TX
Int blowing line transistor.
STR54041 , clean & resolder pins of line driver transformer.
14-09-04
Mitsubishi
CT2125
TX
Large black square int covers screen, floats left or right & int poor contrast
C959 100µ 25v hi esr causing low 5v supply from reg - also check C964 10µ 50v, C962 100µ 50v, C905 470µ 25v
14-09-04
Mitsubishi
CT2125
TX
No sound mute.
D361 ( 1N4148 )
14-09-04
Mitsubishi
CT2125
TX
No video
Z951 630ma fusible link in 8.5v line on psu
14-09-04
Mitsubishi
CT2125
TX
SLIGHTLY OFF TUNE
REPLACE IC101
14-09-04
Mitsubishi
CT2125
TX
Sound - will not tune right down or mute.
D361 ( 1N4148 ) leaky.
14-09-04
Mitsubishi
CT2125
TX
Sound wont go off
Pin 4 audio chip hi at 2.3v (0.3v) - D361 1N4001 leaky
14-09-04
Mitsubishi
CT2125
TX
Tuning slightly off - unable to fine tune
IC101 MS1496P
14-09-04
Mitsubishi
CT2125
TX
user settings wont store
minus30v pin 2 eeprom IC702 low. C962 leaky also check other electros
14-09-04
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