GRUNDIG TV Repair: Common Faults and Solutions.


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Search: GRUNDIG
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GRUNDIG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
GRUNDIGST63560
Line shake (double image)Ic526 cpc pt no gr8305338140
GRUNDIGST63560
E/w corrR503 2r2 & ic430 tda8350q
GRUNDIGST63560
Blows lop tr 2sd1432Dry joints scan coils
GRUNDIGST63460
Thin white line in the center of upper half of screen.Change d2334 and d2344 with 1n4148. caution! they seem to be o.k with a vom.
GRUNDIGST63460
Dim blank raster and reduced heightD2334 leaky in field cct
GRUNDIGST63460
Dim blank raster - no picture.D2334 ( td190 ) leaky.
GRUNDIGST1772/9TOP
Field foldoverTda8350q chip
GRUNDIGSE7086TOP ETC
Int no sound - when increased gives popping noiseMains sw st/by contacts int
GRUNDIGP45-440/1GB
No pic - sound ok - faint arcing noiseDry joints ww res r516 in line stage
GRUNDIGP37-440
Tuning - random channel change.Ir ic tfms3300 or 4300 with metal screen over it.
GRUNDIGP37-440
Sound - random volume up & down.Ir ic tfms3300 or 4300 with metal screen over it.
GRUNDIGMW82-2700 CUC2058
Dead - pri volts onlyR60002 (680k 1w) was o/c situated just behind the switch mode mosfet on the primary side.
GRUNDIGMW70-3699
Dead 1.6a fuse blownCheck 270k res for o/c behind chopper tr & replace chopper tr
GRUNDIGM82-102IDTV
Int cuts outChopper trfmr breaking down
GRUNDIGM82-100IDTV
Tripping - stops if tripler dis'dCheck caps in psu control sub panel for low capacitance
GRUNDIGGT2105
Unstable pic & sound33v tuner supply fluctuating at 25v - tuner faulty
GRUNDIGGT2105
No greenR908 on crt base & r802 near rgb chip
GRUNDIGGT2105
Dead - no line driveR315 o/c
GRUNDIGGT2105
Dead - ht pulsatingTr302 loptr s/c
GRUNDIGGT2105
Bright white rasterR315 10r on crt base o/c