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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: 285
Aiwa
VXT1
45
0K
Field collapse
FR812 3R9 1w fusible o/c - no other fault found
14-09-04
Akai
TV3
45
1 Stereo+2
Dead
VO10
14-09-04
Akashi
1
45
0
Dead
Q811 SF8J41 reg thy s/c - used TAG626 as replacement
14-09-04
Akashi
1
45
0
st/by only
R801 1R5 5w o/c
14-09-04
Alba
CTV3
45
8
Dead
RP4 330k o/c
14-09-04
Alba
CTV3
45
8
Dead - BUZ90 chopper s/c
D5 FR144 in snubber network s/c - also replace R4 & 5 & TDA4605
14-09-04
Alba
CTV3
45
8
Dead with mains fuse blown
C8 1nF 1kv leaky
14-09-04
Alba
CTV3
45
8
Field collapsed to 1"
R25 12k o/c - feed to 33v supply
14-09-04
Alba
CTV3
45
9
Int Field collapse with it turning off
Blanket resolder field stages even if they look ok
14-09-04
B & O
L
45
00
Poor pic with blue cast
10k B vid o/p Res on CRT base o/c
14-09-04
B & O
MX
45
00
Vision buzz & noisy pic
Check C176 10µ under screening can
14-09-04
B & O
MX
45
00/5000
Tuner int
Discard VHF tuner if not reqd or blanket resolder (nearest ae skt)
14-09-04
Bush
1
45
2 Onwa
Blank white raster with flyback lines.
L501 o/c.
14-09-04
Bush
1
45
2 Onwa
Blowing 2SD1554 - HT line varies.
C911 ( 47u f 25v ) leaky.
14-09-04
Bush
1
45
2 Onwa
Dead.
C909 ( 47u f 50v ) s/c.
14-09-04
Bush
1
45
2 Onwa
Going into standby.
Q404 ( 2SD1554 ) s/c.
14-09-04
Bush
1
45
2 Onwa
Height decreases as set warms up.
C911 ( 47u f 50v )
14-09-04
Bush
1
45
2 Onwa
No frame or line sync.
R619 ( 27ohm ) o/c.
14-09-04
Bush
1
45
2 Onwa
No sound or raster.
Dry on R913.
14-09-04
Bush
1
45
2 Onwa
Snowy raster - no tuning.
R646 ( 10k ) o/c.
14-09-04
Bush
1
45
2 Onwa
Squeal at switch on - then goes to standby.
Q404 ( 2SD1554 ) s/c.
14-09-04
Bush
1
45
2 Onwa
Thin black line across picture 5cm from bott.
C410 ( 1nf )
14-09-04
Bush
1
45
2T
Field collapse
LA7830 field o/p chip
14-09-04
Bush
1
45
2T
No R/C operation - front controls ok
r/c pulses reaching IC602 pin12 - C68212Y chip faulty
14-09-04
Bush
1
45
2T
No sound/pic - field collapse
R425 2R7 5w (estimate) & ZD402 16v 1.2w s/c
14-09-04
Bush
1
45
2T Onwa
WHISTLE ON AUDIO SOUND SEVERELY DISTORTED
C143 10uF 16v OC
14-09-04
Contec
KT51
45
Dead - fuse's ok.
Fuse ok - R504 ( 330k ) o/c.
14-09-04
Daewoo
DMQ1
45
4P
Storing of tuning or analogue levels inop
D912, D903 leaky & check tactile switches for leakage
14-09-04
Decca
1
45
Bright raster
R436 10R fusible
14-09-04
Decca
1
45
Dead - blowing chopper transistor.
R808 ( 100k ) & R810 ( 82k )
14-09-04
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Last SM download : Bauer VTR-1004
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