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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: 24
B & O
360
0
Blue Picture
16R1 ( 1.5Mohm )
14-09-04
B & O
360
0
No E-W Correction
6D5 ( BY299 )
14-09-04
B & O
360
0
No Picture - Failureof Line o/p Transitor
0C1 ( 9.1nf )
14-09-04
Grundig
CUC 6
360
/ CUC 6361/ CUC 6365
Intermittent no picture, it would fade out with the width getting smaller. HT 150volts was down to 100volts.
C672 100 MFD @ 250VW
14-09-04
Grundig
CUC 6
360
/ CUC 6361/ CUC 6365
No picture, but HT / EHT all ok, picture was blanked out.
CT5066 BC858. This is a s.m. device on the video processing pcb. It is on p22 of ic 5040.
14-09-04
Grundig
CUC
360
0
breathes with brill
Tripler/focus unit u/s
14-09-04
Grundig
CUC
360
0
Broad white vert bar & SECAM light on
BU508A LOPTr overheating. TDA8140 chip faulty - driving it at twice freq
14-09-04
Grundig
CUC
360
0
No pic - dim vert band
Check loptr base wfm - if low or twice normal speed check C507 100µ & IC550 TDA8140
14-09-04
Grundig
CUC
360
0
No pic - pic blanked
Check supplies & sandcastle pulse. Brill & contrast cont volts at pins 2 & 16 TDA8442 IC350 - if low & won't increase TDA8442 is sus
14-09-04
Grundig
CUC
360
0
No picture - EHT Ok.
If pins 2 & 16 do not increase if brit/cont is adj IC350 TDA8442.
14-09-04
Grundig
CUC
360
0
NO PICTURE JUST DIM VERTICAL BAND ON SCREEN
C507 100uF OR IC550 TDA8140
14-09-04
Grundig
CUC5350 CUC5
360
"P1" DISPLAYED AFTER PROCESSOR CHANGED
R836 FROM 10K TO 22K ( OLD SDA 20562 A 006 NEW SDA 20562 A 506 Grundig 8305-157-580 )
14-09-04
Grundig
CUC5
360
No NICAM sound - whistle on mono sound
MSP2400 chip in IF module
14-09-04
Grundig
CUC5
360
Col int
Replace 4.43Mhz red trimmer
14-09-04
Grundig
CUC5
360
int tuner
check for dry joints on xtal
14-09-04
Grundig
CUC5
360
No vid via scart skt
Sw carried out in tuner/IF chip. Check CT2512/3/4/7 sm types BC848/858
14-09-04
Grundig
CUC5
360
Store ,tuning , analogue controls inoperative
Check memory Ics IC847/8 also bad earths which could be cause of Ics going faulty
14-09-04
Grundig
CUC6
360
E/W dist & lack of width
R508 5R6 fusible middle rear of main pcb
14-09-04
Grundig
CUC6
360
No sound
MSP3410 chip
14-09-04
grundig
CUC6
360
No Sound
Try to unplug the green connector going to the main swich (startup sliding switch),if sound comes on change main switch and clean the switch board from dust.
08-12-06
NordMende
360
2 F8
Blue smearing - like tube down.
14-09-04
NordMende
360
2 F8
No luma & red flyback lines.
IC TDA1170 frame IC.
14-09-04
Samsung
TVP3
360
1
Field foldover at top
Check R409 0R22, R303 10R ?w from 46v supply
14-09-04
Seleco
SM
360
.1UK
Slow start up from small to normal size pic
C423 47µ 250v (+142v HT res cap)
14-09-04
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