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
GRUNDIGM61 - 1690 TOP
Cuc6369		Features red background scenery when changing scenes or teletextDiode on ctr boardSub d749 =bav21
GRUNDIGP37-4204 TOP
Beko 12.6		Image stretched at the top and shrunk at the bottomVertical c148 =100n pino 45 do ic 101 nn5099kSub c for a new one from 150n to 200n
GRUNDIGP37-070
CUC 7301		Image becomes dark or has barsCt 523 = leaky bc548Sub ct 523 = bc 548
GRUNDIGT55-4201
Beko 12.6		Does not show osdC410 unsoldered or broken on one sideSub c410 =1n
GRUNDIGP37 - 070
CUC 7301		No imageWith leak t523 = bc548Sub t523 = bc548
GRUNDIGT51-2401
Beko E1		Green scenery with linesD 106 = 1n4148 as leakageSub d 106 = 1n4148
GRUNDIGP37-4204 TOP
Beko 12.6		Shrunken imageVertical folded topC148 =100n goes to 200n pin 45 of ic101 nn5099k
GRUNDIGM 70-595/9TOP
CUC 5860		Sem verticalModelo f.i 29504 162 17n d2436 = 4148Sub diodo d 2436 = ba157
GRUNDIGST 70 - 2502/8
Beko C8		Sem verticalMissing 5volt ic 601 =lm 317 or r 120 open between pins 1 and 2Sub r 120 ou ic 601
GRUNDIGP37- 4201 TOP
Beko 12.6		No image or image with interferenceC xxx with leak or loosePino 25 ic nn 5099k
GRUNDIGMFW 82 - 430/8
CUC1935		Doesn't startLed goes from red to orange and does not turn green fall protectionSub c64001 =1500p 6000v c64002 = 1500p 6000volt
GRUNDIG
12.6		No soundC117 =100nResolder ou sub c117=100μF
GRUNDIGST 70-810 DPL
CUC 2050		Doesn't startFalls to st by when callingLeaking aux contact
GRUNDIGP37-2401 TXT
Beko E1		Bars on screenAppears without vertical and horizontal synchronismsSub c148 = 4700p = 4,7n pino 17 do ic101 =tda9345 xxx
GRUNDIGT55-4201
Beko 12.6		Lots of lightWith return linesOn the board ctr r 721 = 220r
GRUNDIG
12.6		No soundC117 =100nResolder ou sub c117=100μF
GRUNDIGP37-2401 TXT
Beko E1		Bars on screenAppears without vertical and horizontal synchronismsSub c148 = 4700p = 4,7n pino 17 do ic101 =tda9345 xxx
GRUNDIGP37-070
CUC 7301		Image becomes dark or has barsCt 523 = leaky bc548Sub ct 523 = bc 548
GRUNDIGMFW 82 - 2410/7
Beko 22.1		Negative type imageBad contact on the digital mod plug to the ctr board pin 10Sub t 703 =bxxx mod ctr
GRUNDIGP37-4204 TOP
Beko 12.6		Image stretched at the top and shrunk at the bottomVertical c148 =100n pino 45 do ic 101 nn5099kSub c for a new one from 150n to 200n