GRUNDIG TV Repair: Common Faults and Solutions.


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GRUNDIG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
GRUNDIGP37-830 TEXT
CUC 7303		Does not turn on, LED blinks at approximately 1 HzDry c626 capacitorCapacitor replaced (attention: 385 v !)pastor
GRUNDIGP55-830 TEXT
CUC 7303		Line in half horizontalTda 7233 faultyReplace tda 7233manuel
GRUNDIGT55-730 T
CUC 7303		It gave sound but no vertical image closed with a horizontal lineThe 444 diode was broken, I modified the diode and it was ok.pastelnata10
GRUNDIGP 45-731 TEXT
CUC 7303		Faulty power supply, blinking LEDReplacement mjf18004c, uc3842n, zener 3.6v, r661 220r, all electrolytic capacitors existing in the power supply circuit.mart05
GRUNDIG42PW110-6605-TOP
It doesn't turn on, the STBY LED doesn't light up.Secondary/standby power supplyCheck/replace 1002 + and 1004 (fsd200) + power input fuse.Borgix
GRUNDIG42PW110-6605-TOP
It doesn't turn on, the STBY LED doesn't light up.Secondary/standby power supplyCheck/replace tr 1002Borgix
GRUNDIGK1
K1		Doesn't start - to impulsesFilter block 68mf-400v + d611 - ll4148
GRUNDIG42PW110- 7505TOP
LED off does not turn onPlate r82.195-24Replace o kit d2001 d2005 ic2002 r2003 r20002 fc2001 fs2001ALACYTE
GRUNDIGT55-4101
CUC2103		Nor horizontalR53002 openReplacement r53002, 10kmisopa
GRUNDIGST 72860
CUC2031		When turning on the low-brightness matte lede starts up but then turns off immediately and the lede increases in brightness.Leakage line transformer caused several faults, solution replace ct57112,ct5713,bc858 smd.Corvo
GRUNDIGMFS55-4701/8TOP
K1		Does not startCapacitor c651.Ernesto Figueiredo
GRUNDIGMFW82.2510/8
22.1		Only a quarter of the screen has an imageMiss itR536 alterada,r516 offCorvo
GRUNDIGCUC2103
CUC2103		No vertical linearity (image cut off at the bottom of the screen)Zener diode 5.6v 1w position d50048Raimber
GRUNDIG32LXW82- 8600DL
LX BEKO		Power supply without 24v - xla-194-03C2048 (680uf/35v)tvtronica
GRUNDIGMFW 82-2510
22.2		Horizontal amplitude too openSubtituir, c521 33nf 630v, d505 f60b5adsdivercentro
GRUNDIGP37-4501
E3		No image no sound completely blue all menus working normally.C163 47n ccsanitron
GRUNDIGT55-830 CUC7303
Image does not fill the screen voltage + b varies a lot and turns off the power supply with variations in the video signal or variations in the networkReplace the 0.56Ω resistors r667 may be alteredCorvo
GRUNDIGT70-440
CUC4410		Very weak antenna signal, screen with drizzleChange the tuner and redo welding on its docking baseThe image amplitude was also adjustedNezocas
GRUNDIGMF55-2501/5 TOP+
16.1		Doesn't startFusivel ofCauses ptc (090q ksn81), shortedjoaquim cunha
GRUNDIGST70-809/9
CUC6360		Turns on without sound, does not increase the soundIn the int of on/of the temporary contactReplace r104 (470k by 47k)joaquim cunha