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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: 22
Goodmans
2875
At sw on spkrs pop then shuts down
D35 (BA157) in PSU. It read OK in and out of circuit
14-09-04
Goodmans
2875
Dead
C102 100µ 25v in psu hi esr
14-09-04
Goodmans
2875
Dead
EW mod diode BY448 s/c & check for dry joints
14-09-04
Goodmans
2875
Dead
C134 E-W cap dry joints & S2055AF lop tr leaky
14-09-04
Goodmans
2875
dead
ew diodes D45/47 s/c & pincush chip IC18 - dry joints C134
14-09-04
Goodmans
2875
Dead - pri HT only
PTC2 small blue start up therm o/c
14-09-04
Goodmans
2875
Dead (possibly - no fault submitted with cure)
C143 0µ01 1600v
14-09-04
Goodmans
2875
Dead with burning smell
0µ01 1.6k cap in line stage burnt; BY228 leaky
14-09-04
Goodmans
2875
Dead with burning smell
0µ1 1.6kv cap burnt, BY228 adj to cap leaky
14-09-04
Goodmans
2875
E.W. FAULT
CHECK 10nf , HA POT , DIODE
14-09-04
Goodmans
2875
E-W fault (aft burn up)
TDA4950 E-W chip
14-09-04
Goodmans
2875
Int dead
Dry joints chopper tfmr
14-09-04
Goodmans
2875
Int dead
Dry joints chopper tfmr pins
14-09-04
Goodmans
2875
LINE TEARING THAT CLEARS AFTER A FEW MINUTES
REPLACE C123 IN POWER SUPPLY
14-09-04
Goodmans
2875
No blue
R29 68k on crt base o/c
14-09-04
Goodmans
2875
No Blue
R29 68k on crt base o/c
14-09-04
Goodmans
2875
No E-W or width control
TDA4950
14-09-04
Goodmans
2875
Smeary, defocused or 1 pri col missing
Check 3 x 68k res on crt base
14-09-04
Goodmans
F11
2875
Dead stuck in st/by
R170 O/C safety resistor from secondary off chopper transformer due to IC8 TDA1521 audio output S/C.
14-09-04
Goodmans
F11
2875
Dead with TR15 S2000N S/C
Replace S2000N and C102 100ufd which was down to 20ufd
14-09-04
Goodmans
F11
2875
Flat looking pic with one or more cols missing
Check feedback res R26, R28, R29 68k on crt base
14-09-04
Goodmans
F11
2875
Won't sw back on after st/by selected
Check all elects in psu pri
14-09-04
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