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
GRUNDIGCUC1882
Eht comes up at sw on then reverts to st/byDry joint at fop scan coil plug in middle of pcb
GRUNDIGCUC1842
Focus poorReplaced tripler & 2 x 1n5 6kv caps on dynamic focus board
GRUNDIGCUC1822
Hor dashed magenta lines superimposed on picCheck for dry joints/elect caps in "feature" box
GRUNDIGCUC120
Startup - takes a long time to come on.C626 reservoir cap.
GRUNDIGCUC120
Startup - no start up.Ic tda4600 plus check drys on l631 off base of chopper tx.
GRUNDIGCUC120
No soundC2408 1000µ s/c; r2408 o/c 3r9 on audio board
GRUNDIGCUC120
No picture - eht & sound ok.D2764 ( ske2f1 ) o/c.
GRUNDIGCUC120
No luminace.D2536 ( in4148 ) leaky.
GRUNDIGCUC120
No cold startC626 reservoir cap o/c
GRUNDIGCUC120
Lack of frame at bottom when cold.C2768 ( 100uf ) on deflection pcb.
GRUNDIGCUC120
Intermittent shut down.Ic tda4600 plus check drys on l631 off base of chopper tx.
GRUNDIGCUC120
Intermittent shut down.Dry joints on l631 off base of chopper tx.
GRUNDIGCUC120
Intermittent going into standby.Change r647 to ceramic.
GRUNDIGCUC120
Interference at sides.Ic tda2595 sync/line osc ic.
GRUNDIGCUC120
Int luminanceC2527 0µ1 faulty
GRUNDIGCUC120
Frame distortion.Ic tda1770 if used , d2761 ( ske4g1/04 ) , r2761 ( 6.8Ω , .75w )
GRUNDIGCUC120
Frame collapse - sound ok.D2764 ( ske2f1 ) o/c.
GRUNDIGCUC120
Field faultsC2768 d2761 r2761 6r8 presets or tda1770
GRUNDIGCUC120
Dead.C633 ( 100u f ) s/c.
GRUNDIGCUC120
Dead - bu208 s/c.Check for c633 ( 100uf ) s/c , r646 , replace c631.