Search: GRUNDIG
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GRUNDIG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
GRUNDIGCUC120
Blank raster & muted sound.Drys in if unit try on pin 12 were 12v supply comes in.
GRUNDIGCUC 6360 / CUC 6361/ CUC 6365
No picture, but ht / eht all ok, picture was blanked out.Ct5066 bc858. this is a s.m. device on the video processing pcb. it is on p22 of ic 5040.
GRUNDIGCUC 6360 / CUC 6361/ CUC 6365
Intermittent no picture, it would fade out with the width getting smaller. ht 150volts was down to 100volts.C672 100 mfd @ 250vw
GRUNDIGCUC
Dead - blowing bu208 & tda4600.R646 ( 270k ) , replace with carbon film type.
GRUNDIGCS9403
DeadT60020 = buz90a, d600011, 12, 13, 14, 21, 23 = 1n4700, ic60030 = uc3842, r60028 = 0r68 (high) - replace it even if measures ok - known to cause ht variations on chan change or scene changes
GRUNDIGA3106
No luminance.Dirty contact on pin 11 of ic2594.
GRUNDIG9050 PROJECT
Sound - int sound.Cracks on main board left of tuner/i.f can by hole.
GRUNDIG9050 PROJECT
Raster - blank - int blank raster.Cracks on main board left of tuner/i.f can by hole.
GRUNDIG8632GB
Raster - int blank screen - sound okDi1948.
GRUNDIG8632GB
Intermittent colour.C861 , c863 leaky.
GRUNDIG8632GB
Blank screen - sound ok.Di1948.
GRUNDIG70 340
Blows p.suppCheck c667
GRUNDIG6610GB
Int no colour.C861 , c863 leaky.
GRUNDIG63 - 270
Line phase off to rightC 514 150 pf 1600v ( feed from lopt to pin 10 of deflection module. )
GRUNDIG6210GB
Int no colour.C861 , c863 leaky.
GRUNDIG55 245
Blows lop. transistor ( may run for short time. )Check 220mfd base drive
GRUNDIG3500 CHASSIS
No tuning , check pins 13 , 15 of tuner/if for tuninIf stuck at 30v replace sda3202 and sda2516
GRUNDIG1510GB
Intermittent or no colour.R587.
GRUNDIG1510GB
Dead.C863 leaky.
GRUNDIG1510B
Sound - intermittent or no sound.Poor joints on speaker wires.