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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
Fidelity
ZX
4200
Corrugated verticals.
C87 ( 47uf )
14-09-04
Fidelity
ZX
4200
Dead - with faint ticking.
D21 ( BY229P ) s/c , may be due to LOPTX being faulty.
14-09-04
Fidelity
ZX
4200
Field stretched at top, ragged verts & hum bar
C87 47µ 200v
14-09-04
Fidelity
ZX
4200
Int blowing BU508D TR5.
C84 ( 2.2nf 2Kv )
14-09-04
Fidelity
ZX
4200
Int cutting out.
C87 ( 47uf ) leaky.
14-09-04
Fidelity
ZX
4200
Lack of contrast.
R111 ( 100k 1/2w ) RHS of LOPT.
14-09-04
Fidelity
ZX
4200
Lack of width - HT low.
C87 ( 47uf ) leaky.
14-09-04
Fidelity
ZX
4200
No go - just1 Psst at switch on.
C93 ( 1uf , 100v ) o/c by TDA4503 IC.
14-09-04
Fidelity
ZX
4200
Small raster.
Replace C111 with a 47uf 250v )
14-09-04
Fidelity
ZX
4200
Switching off - Tuning drift.
C87 ( 47u f 250v )
14-09-04
Fidelity
ZX
4200
Tripping.
TR5 ( BU508D ) s/c.
14-09-04
Murphy
M20T01 ZX
4200
No go - just1 Psst at switch on.
C93 ( 1u f , 100v ) o/c by TDA4503 IC.
14-09-04
Murphy
M22S01 ZX
4200
Dead - with faint ticking.
D21 ( BY229P ) s/c , may be due to LOPTX being faulty.
14-09-04
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