Search: GRUNDIG
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GRUNDIG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
GRUNDIG1004 SERIES
Excess greenSm cap c904 1n between base and emitter of the o/p tr
GRUNDIG1003 SERIES
Field collapseHt feed r200 a 4r7, no apparent reason for it's failure.
GRUNDIG1002 SERIES
No colourRipple on pin 39 of ic800 the y/c chip. resoldering the components in this area cured the fault even though nothing looked dry jointed.
GRUNDIG1001 SERIES
No greenBc847 near to the y/c proc ic
GRUNDIG1000 SERIES
No power upTr540 bc847 in micro reset circuitry.
GRUNDIG8787
DeadRu05 & ru15 resistors sprung open & fuse vu09 o/c no other ff
GRUNDIG8636
Bright line in centre over picture.C468 ( 15u f , 25v )
GRUNDIG8610
Hum bar effect at centre & width reduced.+d ( 36v ) supply reservior cap.
GRUNDIG8240
Lack of blue.R1958 o/c.
GRUNDIG7890
Loss of 45v railIc430 tda8350q
GRUNDIG7400
No picture.D2751 on deflection module.
GRUNDIG7400
Int loss of sound & picture.Dj on ic681 ( mc78m15ct ) 15v reg to if strip.
GRUNDIG6415
Loss of sync - int.Ic tms3755 ic on 'voting baustein' module.
GRUNDIG6100
Tuning drift.Warped cabinet pushing onto p/b unit.
GRUNDIG6100
No picture - sound ok.D2764 ( ske2f1 ) o/c.
GRUNDIG6010
Tripping.Loptx
GRUNDIG5010
Frame - int frame collapse or bounceL447.
GRUNDIG3402
Switching on problems - hum.Relay contacts jammed o/c.
GRUNDIG3022
No sound.Line osc ic.
GRUNDIG2401
TripsL519 shorted turns