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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: 202
Akura
CX
35
Dead - Low HT 40 - 60v
R840 47k o/c in psu comparitor cct
14-09-04
Akura
CX
35
Nicam
No sound
Replace Eeprom
14-09-04
Alba
CTV3
35
9
No pic - sound ok
Loss of line drive - Q601 BD679A reg; print flash over between base Q601 & o/p scan coil skt
14-09-04
Amstrad
CTV322 CTV
35
2
St/by only - pin 2 LM317 chip I3 only 2v (sw 12v turned on by micro)
Micro faulty - order under Amstrad part no 045101070201 (Mono model CTV322) & 045101070201 (stereo model CTV352)
14-09-04
B & O
4402
35
XX
Dead
Check C10 & C12 ( 47u f )
14-09-04
B & O
4402
35
XX
No sound or picture.
5C10 ( 47u f ) o/c.
14-09-04
B & O
4402
35
XX
Width - line collapse.
Poor connections on scan coils leads.
14-09-04
B & O
4402
35
XX
Width - varieing intermittentley.
Poor connections on scan coils leads.
14-09-04
B & O
MX
35
00
Crackling Sound
Dry joints audio o/p chips IC3 & 4 on PCB10 (bottom board)
14-09-04
B&O
MX
35
00
crackling sound
dry joints AF o/p chips IC3 & 4 on PCB10 (bottom)
14-09-04
Beko
35
228T
Low sound with osc
Add 68k resistor & 68pF cap across C344 18pF on Nicam panel (unofficial)
14-09-04
Bush
1433/1434/14
35
Dead
Q801 chopper s/c, R809 surge lim o/c, also replace R804, 805 & IC801
14-09-04
Bush
1433/34/
35
DEAD
Q801 S/C R809 O/C. REPLACE BOTH THESE AND R804/805 AND IC801
14-09-04
Bush
14
35
GTV
Dead - fuse intact
Q801 s/c - replace with BUZ90AF, R809 0R47 & IC801
14-09-04
BUSH
14
35
GTV
DEAD FUSE OK
REPLACE Q801, R809 AND IC801 TRANBUZ90AF. 0.47 OHM AND IC**TDA4605
14-09-04
Bush
TV
35
0
Negative picture.
Pulse winding o/c ( LOPTX )
14-09-04
Cathay
35
01B
Lack of width & burning smell
Dry joints at line dr tr Q110
14-09-04
Cathay
CTV
35
05
Excessive blue.
C503 leaky on CRT base.
14-09-04
Cathay
CTV
35
05
No line drive.
L404 o/c.
14-09-04
Cathay
CTV
35
05
Red raster with flyback lines .
C509 ( 330pf ) leaky on CRT PCB.
14-09-04
Contec
KT81
35
Bright pic with fb lines
R406 A1 control no effect - R474 390k on crt base o/c
14-09-04
Contec
KT81
35
dead
R504 68k in psu o/c
14-09-04
Contec
KT81
35
Dead
R501, R502 330k & R503 1M faulty
14-09-04
Contec
KT81
35
Dead - fuse's ok.
Fuse ok - R501 or R502 ( both 330k ) o/c.
14-09-04
Contec
KT81
35
Field lin problem
C336 220µ 50v
14-09-04
Contec
KT81
35
No luminance.
Poor plug connection for luma on CRT base panel.
14-09-04
Contec
KT81
35
Snowy pic
SAWF int or dry jointed
14-09-04
Decca
1
35
Tuning - drifting off tune when warm.
R68 ( 33k ) going high.
14-09-04
GEC
31
35
Dark picture.
R361 ( 470k ) o/c.
14-09-04
Goodmans
14
35
RS
Cogging pic
C2501 o/c
14-09-04
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