GRUNDIG TV Repair: Common Faults and Solutions.

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GRUNDIG Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem	Solution
GRUNDIG	2401	Tripping	Check l-o-trans & l519
GRUNDIG	2275	Line wobble , worse when cold	C2731 ( 100uf , 63v ) on deflection panel
GRUNDIG	1510	Dead - intermittent.	Crack in print.
GRUNDIG	717	No raster - distorted sound.	Dl701/703 c708/709.
GRUNDIG	80	Smeary picture - intermittently.	Luma delay line leaky.
GRUNDIG	CUC4400 CUC4400	Poor or distorted image	Tda5931 ic2210
GRUNDIG	CUC4400 CUC4400	No sound, black screen	Subst. t2213 and t2221 no IF board.
GRUNDIG	CUC4400 CUC4400	Does not turn off at the main switch	Verify contacts
GRUNDIG	CUC4400 CUC4400	Flickering/lines with pic breakup	C2257 100n 63v in line osc
GRUNDIG	CUC4400 CUC4400	Poor synchronization	C2257 100nf 63v
GRUNDIG	CUC4400 CUC4400	Channels and sound volume changes alone	Ir detector tfms3300
GRUNDIG	T55-4201 Beko 12.6	Does not show osd	C410 unsoldered or broken on one side	Sub c410 =1n
GRUNDIG	P37 4501 E 1 Z50.190-08	When turned on, the LED flashes 3 times at an interval of 5 seconds	Protection + a has 130 volts normal at st by 122v0ltes	R = 619 = 15 k replaced
GRUNDIG	P37 4501 E1	LED flashes 4 times with an interval of 7 seconds	Protection	High screen
GRUNDIG	MF 55-2502 K1 = kx1,190.60	Image with colored contours	Area	Ctr c 713 board = 4700' 1kv
GRUNDIG	T55-645 G1000	Ats simultaneously press volume - and volume + and turn on the main switch	Mode service p- and p+ 5 seconds
GRUNDIG	S170-755 CUC 6360/6365	Senario with lots of light even at minimum	Mod 2950416567	Replace c15060=bc858
GRUNDIG	CUC6300	Big image	R572 = 10k interrupted	Sub r 572 = 10k
GRUNDIG	ST 70-755 CUC 6360/6365	Scene with lots of light even at the minimum	Mod 29504 165 67	Sub ct5060 = bc858
GRUNDIG	T55-4201 Beko 12.6	LED does not turn on	Difficulty calling	Add capacitor in position c633 = 10n