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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
Goodmans
F19
W288NS
Dead
Sw mode Trfmr o/c feedback winding
14-09-04
Goodmans
F19
W288NS
Dead
R170 0R1 in 26v supply o/c
14-09-04
Goodmans
F19
W288NS
Dead - mains fuse blasted
Mains rects s/c & chopper transformer shorted also TDA4601 chopper chip
14-09-04
Goodmans
F19
W288NS
Dead - no o/p from PSU
L13 not soldered properly
14-09-04
Goodmans
F19
W288NS
Dead - very low volts on IC14 in smps
D36 BA157 s/c in psu
14-09-04
Goodmans
F19
W288NS
Dead with HT between 5 - 100v with chopper Tr overheating
D37 1N4148 leaky or s/c
14-09-04
Goodmans
F19
W288NS
E/W fault & lack of width
C71 1UF 100v (very bulged and burnt) + L20 10m/h coil
14-09-04
Goodmans
F19
W288NS
No sound
R231 o/c & C050 u/s
14-09-04
Goodmans
F19
W288NS
St/by only
R177 1R in 16v supply o/c
14-09-04
Goodmans
F19
W288NS
St/by only
D37 1N4148 s/c, C108 1µ 100v o/c
14-09-04
Goodmans
F19
W288NS
Tripping
SMPS Tx Pt no FORM88700402149
14-09-04
Goodmans
F19
W288NS
Width closes in gradually then LOPTr goes s/c
Dist line dr wfmr caused by Line dr trfmr - was able to clean/resolder pins
14-09-04
Goodmans
F19
W288NS
A
No sound just a crackle & buzz
IC3 TDA9875A on NICAM PCB
14-09-04
Goodmans
W288NS
Reverts to st/by aft 10 mins
TR20 hot. May blow TR21. C147 470nf & TR20 BC639.
14-09-04
Goodmans
W288NS
Sound absent
J103 22R fusible o/c due to sm comp across 12v rail on Nicam board (across C49) - comp removed
14-09-04
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