Grundig Repair Tips




Search: Grundig
Results 554
MakeModel Ch.SymptomProblem SolutionSolutionBy:
GrundigCUC53
Dead.R527 o/c , due to faulty mica washer on BU508.
GrundigCUC53
Dark murky picture - sound ok.R722 o/c.
GrundigCUC53
Blue picture & fly back lines & tripping.T9576 ( BF421 ) s/c , R9573 , R9572 damaged.
GrundigCUC5200
Blank white raster with no soundThe +B 12v supply low at 8v - T835 BC548 leaky
GrundigCUC52
deadchopper tr & TDA4600 blown - R646 to pin 4 of chip hi res
GrundigCUC52
deadHT but nothing else - D661 BY229 o/c
GrundigCUC50
INT FIELD FAULTSCHECK FIELD PRESETS
GrundigCUC46XX
Station ident on all the time.Its a dealer option - sw off by pressing Tv then reveal.
GrundigCUC4635
No pic aft tripler replacementIC2250 MC144130 chip in NICAM Module (I²C data line low)
GrundigCUC4635
No NICAM sound - mono sound okCheck wfrm at pins 3,4 & 33 of CF70123 IC2550. If ok at pins 3 & 4 but pin 33 is low dis pin 15 AMU2484 chip. If signal appears at pin 33 then AMU chip is u/s. If not both chips could be faulty - replacement board cheaper.
GrundigCUC4620
No sound or raster - loptx screamsTDA8410 line dr chip u/s
GrundigCUC4620
Field collapse - partialD7001 s/c, R525 0R33 o/c
GrundigCUC4620
FIELD COLLR525 0.33R D7001 SC
GrundigCUC4620
Dead - tripler was arcingreplaced K536 tripler; T541; IC500 TDA8140; IC 2340 TDA2579; c541 220MF/40V; D546 BY228
GrundigCUC4511
Thin hum bar causing coggingTDA8140 faulty or C527
GrundigCUC44XX
Station ident on all the time.Its a dealer option - sw off by pressing Tv then reveal.
GrundigCUC44R R
Frame cramp top & bottom with flyback lines at topD421 ( 1N4935 ) leaky.
GrundigCUC44R R
Dead.Dry joint on R516 by LOPT.
GrundigCUC44R R
Dead.C633 ( 100uf 40v ) s/c.
GrundigCUC4411
Col intReplace sub carrier osc trimmer with a 15pFcap