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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: 15
Fidelity
ZX2000
Channels - will not go to ch 3.
IC ML923 tuning chip.
14-09-04
Fidelity
ZX2000
Dark picture.
C412 ( 100pf ) leaky.
14-09-04
Fidelity
ZX2000
dead
Pulsing 7v at ZD5 12v zener; R801 18k 8w o/c
14-09-04
Fidelity
ZX2000
Dead - blowing chopper transistor.
R826 ( 39R ) goes high.
14-09-04
Fidelity
ZX2000
Dead - fuse's ok.
Droper R801 ( 18k ) o/c , chopper transistor , D24 ( RGP15J )
14-09-04
Fidelity
ZX2000
Dead - tripping.
IC TDA2581.
14-09-04
Fidelity
ZX2000
Frame - foldover & lack of height.
C706.
14-09-04
Fidelity
ZX2000
Frame collapse.
IC9 ( TDA1170S )
14-09-04
Fidelity
ZX2000
Intermittent no signals.
Leak from R121 lower leg touching print.
14-09-04
Fidelity
ZX2000
No colour
IC6 ( TDA1365 )
14-09-04
Fidelity
ZX2000
No pic - sound ok
Ai volts low - 10n 2kv decoupler leaky
14-09-04
Fidelity
ZX2000
Striations & fback lines
RGB supply cap 4µ7 350v o/c
14-09-04
Fidelity
ZX2000
Striations over screen.
C903 ( 4u7f ) o/c.
14-09-04
Fidelity
ZX2000
Tripping - dead.
IC TDA2581.
14-09-04
Matsui
1410
ZX2000
Dead F501 o/c.
Check D501-504 , C505.
14-09-04
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