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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: 749
Goodmans
3375
Dead
dry joints chopper trfmr
14-09-04
Goodmans
3375
E-W chip burnt (IC18)
Also replace L15, D46 & 22R resistor
14-09-04
Goodmans
3375
Field severly reduced
Check diode feeding supply to FOP chip
14-09-04
Goodmans
3375
GOES TO STBY UNLESS ON OFF HELD ( WHEN SWITCH HELD
TDA8361
14-09-04
Goodmans
3375
St/by only
TDA1521 Audio o/p IC s/c & R170 0R1 o/c
14-09-04
Goodmans
3375 F11
Corrugated verts & white dots on screen
100 uF 25 volt next to regulator I.C. and 100 uF 250 volt on HT to line.
14-09-04
Goodmans
3375 F11
Corrugated verts & white dots on screen
100µF 25v next to reg & 100µF 250v on HT to line.
14-09-04
Goodmans
3375 F11
E/W & width
L20 s/c pt no 88700503139 between scan coils & chassis - measured 0R6 on esr meter (infinite on 'Serv' coil)
14-09-04
GOODMANS
5150RC
DEAD
REPLACE C666 150MFD160V
14-09-04
Goodmans
5150RC
Dead - no HT
C666 150µ 160v
14-09-04
Goodmans
5150RC
Dead with faint whine/tick
L652 33µ coil HT feed in lop stage dry joints
14-09-04
Goodmans
5160
BRIGHT WHITE SCREEN
100mfd CAP ( MAY BE C659 - SITUATED RIGHT SIDE CENTRE BETWEEN P.SUPPLY AND LOPT. NEAR REGULATORS )
14-09-04
Goodmans
5160
Excess brightness
C629 100µ 25v
14-09-04
Goodmans
51N1 11AK19
dead power supply pulsating with a clicking noise all o/p vols low
Ic901 on crt base
14-09-04
Goodmans
C100
LOW GAIN - SLIGHT HUM BAR - PICTURE ALSO PULLS ACR
CHECK AROUND HT POT FOR drys or diodes
14-09-04
Goodmans
C1401R
Int pic
Dry joints IF module - min ceramic caps
14-09-04
Goodmans
C1401R
Pic int off
Dry joints IC502 12v reg
14-09-04
Goodmans
C1401R
Snowy pic
Dry joints tuner earths
14-09-04
Goodmans
C1401R
St/by only
R802 390k o/c
14-09-04
Goodmans
C1402
Dead
D611-614 mains rects replaced - BY133 does
14-09-04
Goodmans
C1402
St/by only after s/c mains diode replaced
IC612 opto isolator - type unmarked - most 4 legged devices should work
14-09-04
Goodmans
C141
Blows mains fuse violently at sw on
STR5412 was s/c to heatsink due to damage of mica washer
14-09-04
Goodmans
C141
Snowy screen, no chan light or sigs/sound
EM112 st/by mains tfmr - use replacement that will give 5v dc o/p
14-09-04
Goodmans
C2043T
low HT when cold
33µ 160v cap by chopper tfmr
14-09-04
Goodmans
C210
Dead with chopper tr s/c
Replace QS01, 2SD2498 (used BU2520AF); QS04 2SC945(used BC546); QP05, 2SA1012Y; RS03 2.2ohm 1 watt fusible; DS08 8.2 volt zener. ICV01, TDA3653B. Also replaced various caps, especially the 100uF 50 volt in the field supply after it blew up.Replaced chopper Tr & 2R2; QS04 o/c DS08 s/c & FOP chip
14-09-04
Goodmans
C210
Field collapse & sounds like line freq off
470µ cap connected to DP18 F08AGO
14-09-04
Goodmans
C210
St/by only
RP07 330R sm - also check/replace RP10
14-09-04
Goodmans
C530
Int pic - reverts to line collapse
LH01 int o/c pt no ACTI19433130A
14-09-04
Goodmans
C530
St/by only
Glue on ribbon cable at control pcb conductive
14-09-04
Goodmans
C600
line non line - black at rh side of screen
caused by glue between R545 & adj coil - scrape off glue & re-route conns & resolder conns in vicinity
14-09-04
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