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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 31
Grundig
2401
Tripping
CHECK L-O-TRANS & L519
14-09-04
Grundig
2401
TRIPS
L519 SHORTED TURNS
14-09-04
Grundig
CUC
2401
BU508 getting too hot.
Change TDA8140.
14-09-04
Grundig
CUC
2401
Dead
R637 1k HT Preset hi res
14-09-04
Grundig
CUC
2401
Dead - faint tripping heard
Dry joints LOPTx
14-09-04
Grundig
CUC
2401
Dead HT oK at PSU o/p
No HT at LOPTx - pri winding o/c
14-09-04
Grundig
CUC
2401
Dead psu tries but fails to start
C633 100µ 25v o/c
14-09-04
Grundig
CUC
2401
Dead with silent tripping
D666 in snubber network s/c
14-09-04
Grundig
CUC
2401
Dead.
D666 s/c.
14-09-04
Grundig
CUC
2401
Goin into standby after few mins.
LOPTX ( If comes on agn from cold ) freezer dont work!
14-09-04
Grundig
CUC
2401
Int dead
HT pot R367 1k
14-09-04
Grundig
CUC
2401
INT FIELD COLLAPSE
D2758 INT OC
14-09-04
Grundig
CUC
2401
Int loss of pic caused by field collapse
26v supply pin 8 TDA2655B was only 4v - D2758 BY298 & C2758 1000µ replaced
14-09-04
Grundig
CUC
2401
Int start up
TDA4600 chopper chip
14-09-04
Grundig
CUC
2401
Int switches to st/by
Tripler
14-09-04
Grundig
CUC
2401
Low controllable sound
Tuner
14-09-04
Grundig
CUC
2401
No pic - blanked out
Field only half normal height due to supply only 10v to field chip - R525 0R33 hi res
14-09-04
Grundig
CUC
2401
No pic - sound ok
No vid o/p pin 8 TDA3566 - Tr2523 BC548C s/c
14-09-04
Grundig
CUC
2401
No raster - line collapse
LOPTx o/c
14-09-04
Grundig
CUC
2401
No sound
C2276 ( 470uf ) s/c.
14-09-04
Grundig
CUC
2401
No sound
TBA130 chip not working due to C2276 470µ s/c
14-09-04
Grundig
CUC
2401
No sound
Could be TDA2595, TDA130 or SDA2011-A003 micro
14-09-04
Grundig
CUC
2401
No sound or - Picture - intermittent.
Suspect the set-EHT control ( especially if made by Preh.
14-09-04
Grundig
CUC
2401
SET GOES TO STBY VERY INT
TRIPLER US
14-09-04
Grundig
CUC
2401
Sound - mutes on video rec playback.
Mod ABL module.
14-09-04
Grundig
CUC
2401
Standby - intermittent shut down.
Set HT control R637 ( 1k ) may check Ok.
14-09-04
Grundig
CUC
2401
Startup - failure to start intermittent.
Set HT R637 ( 1k ) may ch Ok , LOPTX if going off af few mins
14-09-04
Grundig
CUC
2401
Switching to standby - my take days.
Tripler.
14-09-04
Grundig
CUC
2401
Tripping - at switch on - may come on.
C661 ( 7u f , 25v )
14-09-04
Grundig
CUC
2401
Tripping - at switch on.
R637 1k control.
14-09-04
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