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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: 534
Grundig
1000 series
No power up
TR540 BC847 in micro reset circuitry.
14-09-04
Grundig
1001 series
No green
BC847 near to the Y/C proc IC
14-09-04
Grundig
1002 series
No colour
ripple on Pin 39 of IC800 the Y/C chip. Resoldering the components in this area cured the fault even though nothing looked dry jointed.
14-09-04
Grundig
1003 series
Field collapse
HT feed R200 a 4R7, no apparent reason for it's failure.
14-09-04
Grundig
1004 series
Excess Green
sm cap C904 1n between base and emitter of the o/p tr
14-09-04
Grundig
1510
Dead - intermittent.
Crack in print.
14-09-04
Grundig
1510B
Sound - intermittent or no sound.
Poor joints on speaker wires.
14-09-04
Grundig
1510GB
Dead.
C863 leaky.
14-09-04
Grundig
1510GB
Intermittent or no colour.
R587.
14-09-04
Grundig
2275
LINE WOBBLE , WORSE WHEN COLD
C2731 ( 100uF , 63V ) ON DEFLECTION PANEL
14-09-04
Grundig
2401
Tripping
CHECK L-O-TRANS & L519
14-09-04
Grundig
2401
TRIPS
L519 SHORTED TURNS
14-09-04
Grundig
3022
No sound.
Line osc IC.
14-09-04
Grundig
3402
Switching on problems - Hum.
Relay contacts jammed o/c.
14-09-04
Grundig
3500 Chassis
No tuning , check pins 13 , 15 of tuner/IF for tunin
If stuck at 30v replace SDA3202 and SDA2516
14-09-04
Grundig
5010
Frame - int frame collapse or bounce
L447.
14-09-04
Grundig
55 245
BLOWS LOP. TRANSISTOR ( MAY RUN FOR SHORT TIME. )
CHECK 220mfd BASE DRIVE
14-09-04
Grundig
6010
Tripping.
LOPTX
14-09-04
Grundig
6100
No picture - sound ok.
D2764 ( SKE2F1 ) o/c.
14-09-04
Grundig
6100
Tuning drift.
Warped cabinet pushing onto p/b unit.
14-09-04
Grundig
6210GB
Int no colour.
C861 , C863 leaky.
14-09-04
Grundig
63 - 270
LINE PHASE OFF TO RIGHT
C 514 150 pf 1600v ( FEED FROM LOPT TO PIN 10 OF DEFLECTION MODULE. )
14-09-04
Grundig
6415
Loss of sync - int.
IC TMS3755 IC on 'abstimm baustein' module.
14-09-04
Grundig
6610GB
Int no colour.
C861 , C863 leaky.
14-09-04
Grundig
70 340
BLOWS P.SUPP
CHECK C667
14-09-04
Grundig
717
No raster - distorted sound.
DL701/703 C708/709.
14-09-04
Grundig
7400
Int loss of sound & picture.
DJ on IC681 ( MC78M15CT ) 15v reg to IF strip.
14-09-04
Grundig
7400
No picture.
D2751 on deflection module.
14-09-04
Grundig
7890
Loss of 45v rail
IC430 TDA8350Q
14-09-04
Grundig
80
Smeary picture - intermittently.
Luma delay line leaky.
14-09-04
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