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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: 17
B & O
7
702
7XXXX
Dead with no standby LED - intermittent.
Drys on or T2 standby transformer.
14-09-04
B&O
7430/7
702
int pic
TR2 BC338 on left of pcb int o/c b-e
14-09-04
Ferguson
ICC17 W
702
3U
Dead
LOPTx faulty - had brown gunge on the top - replacement comes with 2coils, 2 caps & 4 sm res
14-09-04
Ferguson
ICC17 W
702
3U
Trips at sw on with led flashing 3 then 2 then 7 then 2 flashes then reverts to perm illum
LOPTx faulty- check for brown gunge on top - also obtain mod kit (psu will not run unloaded)
14-09-04
Ferguson
W
702
3U ICC17
Dead with led flashing twice, pausing then flashing 7 times
LOPTx Part No. 35123670
14-09-04
Fidelity
WSTV
702
8N 11AK19-8A
Width
C630 0.27pF dry joints, Q603 BUK444 leaky, E-W coil shorted turns (looked ok)
14-09-04
Fidelity
WSTV
702
8NF
Excess width & E-W bowing, removing E-W tr Q683 makes no diff
L604 s/c (res should be approx 3R) self rewound 293turns
14-09-04
Fidelity
WSTV
702
8NF
Low width & R629 2R2 fusible o/c
C630 270nF 250v (no physical sign of being faulty)
14-09-04
Fidelity
WSTV
702
8NF
Narrow raster
C630 o/c . the value is 270nF 250V for 16:9 sets, 430nF 250V for 4:3 sets
14-09-04
Fidelity
WSTV
702
8NF AK19
Lack of width & striation on lh side
C630 430nf 250v o/c in lop E/W mod area
14-09-04
Luxor
702
3 110 EX
display blinks in ? second interval
C515 (2u2)in line stage & R 516 (2R2) burnt also replace C511(8n2) & T511(S2000A )
14-09-04
Schneider
Euro
702
22
Dead
Line dr tr s/c & R306 burnt
14-09-04
Schneider
TV1
702
2M
No E-W after LOPTx & LOPTr replacement
Q305 sm
14-09-04
Sharp
C3
702
H
Weak drive either RGB
Check D807 D808 D809 & TDA3566
14-09-04
Telefunken
TX92 MR
702
St/by only
TP60 BC558 s/c, IP AN25TV, CL24 510nF o/c, ZL12 cp in 26v supply o/c
14-09-04
Thomson
W
702
3U
Trips with brief line coll after LOPTx replaced
FOP chip & ZL11 cp o/c - looks like a brown cap
14-09-04
Thomson
W
702
3U ICC17
Dead with front LED blinking 2 then 7 times
In prot mode - brown gunge around LOPTx. Fit replacement (comes a s a kit) pt no 35123670
14-09-04
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