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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: 58
Alba
CTV
600
Int shut down
crack in print near chassis fixing screw (emitter chopper tr to R914 near Q904 heatsink)
14-09-04
Alba
CTV
600
SHUTS DOWN INT
CRACK IN PCB BY MOUNTING SCREW NEAR Q904 HEATSINK
14-09-04
Amstrad
CTV1
600
Field collapse
R709 22k o/c
14-09-04
Amstrad
CTV1
600
Field collapse
Dry joint pin12 LA7800 timebase chip (12v supply)
14-09-04
Amstrad
CTV1
600
Frame - no field scan.
R709 ( 22k ) in series with field hold control o/c.
14-09-04
B & O
3
600
Blue Picture
16R1 ( 1.5Mohm )
14-09-04
B & O
3
600
No E-W Correction
6D5 ( BY299 )
14-09-04
B & O
3
600
No Picture - Failureof Line o/p Transitor
0C1 ( 9.1nf )
14-09-04
B & O
MX
600
0
Dead or int trips when tapped
Check for dry joints psu pri
14-09-04
Bush
BC
600
4
Blowing line o/p transistor
D687 ( SKE4F1/10 ) , D688 ( BY223 ) , C688 ( 0.0013uf ) , R941 ( 100k )
14-09-04
Bush
BC
600
4
Dead
BU326A T686 s/c, when replaced has slow tripping - tripler faulty
14-09-04
Bush
BC
600
4
Tripping
D687 ( SKE4F1 ) Faulty Blows Up C835/6 If Left Tripping .
14-09-04
Bush
BC
600
4
Tripping - as Picture Comes On
Check/Replace D956 ( sync/control PCB )
14-09-04
Bush
BC
600
4
Tripping - as Picture Comes On
Adjust P943 For 122v at R886.
14-09-04
Bush
BC
600
4
Tripping - intermittently.
R943 ( 330k ) gone high.
14-09-04
Cathay
TV2
600
Int dead for first 10 mins
12v reg faulty - used TIP32A
14-09-04
Ferguson
9
600
Dead - blowing mains fuse for no reason.
Check fuse holder for being loose or charred.
14-09-04
Ferguson
9
600
Looks like scan coils.
Cap 2200u f 25v elec on main PCB s/c ( leaking )
14-09-04
Ferguson
9
600
No sound or picture - EHT ok.
C171 ( 6.8uf ) s/c.
14-09-04
Ferguson
9
600
Sound - no sound - white raster intermittent
IC TCA270SA IC on decoder board , check with heat/freezer.
14-09-04
Ferguson
9
600
White raster - no sound intermittent
IC TCA270SA IC on decoder board , check with heat/freezer.
14-09-04
Goodmans
C
600
line non line - black at rh side of screen
caused by glue between R545 & adj coil - scrape off glue & re-route conns & resolder conns in vicinity
14-09-04
GOODMANS
VN
600
0
DEAD
REPLACE C822 IN POWER SUPPLY 330MFD63V
14-09-04
Goodmans
VN
600
0
Dead - orig int dead
C822 & 823 in psu low cap
14-09-04
Grundig
CUC2
600
Dead - no o/p from psu
C631 100µ in psu
14-09-04
Grundig
CUC2
600
Int blank raster or snowy pic
Tuner
14-09-04
Grundig
CUC2
600
Tuner - snow or blank raster from cold.
Drys in tuner.
14-09-04
Grundig
CUC3
600
breathes with brill
Tripler/focus unit u/s
14-09-04
Grundig
CUC3
600
Broad white vert bar & SECAM light on
BU508A LOPTr overheating. TDA8140 chip faulty - driving it at twice freq
14-09-04
Grundig
CUC3
600
No pic - dim vert band
Check loptr base wfm - if low or twice normal speed check C507 100µ & IC550 TDA8140
14-09-04
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