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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: 6
Mitsubishi
CT21M5B
Failure of Q552
Order & fit AVM5KIT
14-09-04
Mitsubishi
CT21M5B
Under very poor signal conditions "Herringbone" pa
Fit specially screened RF lead between VCR & TV PtNo H24P001010
14-09-04
Mitsubishi
CT21M5B
CT25M5B
Tuning drift mainly at top end of band
Add ( 180K ) & Diode ( IN4148 ) in series cathode of diode to 5V pin 6 Tuner & res to Tuning Voltage line pin 2
14-09-04
MITSUBISHI
CT21M5B
T
DEAD OR INT START UP
CHECK R704 FOR O/C SOMETIMES MARKED R703 ON PCB
14-09-04
Mitsubishi
CT21M5B
T EE4
Int loss of pic - sound still present
Invisible dry joint IC650 TEA5101B RGB o/p chip on crt base
14-09-04
Mitsubishi
EE4
CT21M5B
T
Reverts to st/by aft 15mins with a sqeal
HT was too high at 137V, due to R954 (120K in this set) going high
14-09-04
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Last SM download : Technics SA160
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