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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
Boots
CTV
1414
R
Chan stores on all chans together
32v tuning supply high at 38v, IC102 µPC574J faulty
14-09-04
Hitachi
C
1414
-300
Dead - Q903 ON4584 s/c chopper tr
Replace with Hitachi BUT12AF & R951 39k 0.6w metal film
14-09-04
Hitachi
C
1414
R
DEAD , Q703 THYRISTOR SWITCHING
CHECK/REPLACE ZD701 36v
14-09-04
Hitachi
C
1414
R-311
dead
Q903 ON4584 chopper s/c R951 39k hi res
14-09-04
Hitachi
C
1414
T
Dead with ZD952 prot zener s/c
HT too high - R951 39k 1/2w o/c
14-09-04
Hitachi
C
1414
T
off no st/by led
82k 0.5w start up res R901 o/c
14-09-04
Hitachi
C
1414
T
Stuck in st/by - no line drive
Safety thyristor Q703 TS0820-20 faulty - check by removing - set should then work
14-09-04
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