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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: 442
Decca
160
int dead
dry joints Q801 emitter
14-09-04
Decca
160
Int signals
R007 3k9
14-09-04
Decca
160
Line Collapse
C406 0µ39(20"), 0µ33(16") 250v scan coupling cap
14-09-04
Decca
160
Loss of line lock when hot.
C113 ( 2 , 700pF )
14-09-04
Decca
160
NO FIELD
R411
14-09-04
Decca
160
No frame.
Drys IC301.
14-09-04
Decca
160
No results - whistle/purr from PSU.
R508 ( 12k ) o/c left of aerial socket.
14-09-04
Decca
160
NO SOUND / SYNC
C122 - 100pf
14-09-04
Decca
160
No sync - sound muted.
C122 ( 100nf ) leakey.
14-09-04
Decca
160
NO VIS
C901
14-09-04
Decca
160
Noise through speaker when set is in standby.
Remove C826 , Fit 100nf Con in series with a 330R in C826 position
14-09-04
Decca
160
Slight ghosting
Z101 SAWF
14-09-04
Decca
160
Stuck in standby.
R508 ( 12k ) o/c , R509 ( 12k ) o/c.
14-09-04
Decca
160
Text lines across top of screen
D/J around Field output IC
14-09-04
Decca
160
Tripping - Rapid.
12k R507 & R508 resistors feeding 12v stab o/c.
14-09-04
Decca
160
Tripping.
D812 ( BY396 ) s/c.
14-09-04
Decca
160/165
Cone shaped raster.
LOTPX
14-09-04
Decca
160/165
Dead - fuse blown.
Chopper ( R4051 ) s/c , D812 ( BY396 ) s/c , R802 ( 3.3R 4W ) o/c.
14-09-04
Decca
160/165
No frame.
Drys on IC301.
14-09-04
Decca
160/165
Stuck in standby.
R508 ( 12k ) o/c , R509 ( 12k ) o/c.
14-09-04
Decca
161
Dead - HT supply 400v
Q501 ZTX651 12v reg, D503 12v zener
14-09-04
Decca
161
No sound or led display
LL01 choke dry joint
14-09-04
Decca
161
Tripping - Rapid.
12k R507 & R508 resistors feeding 12v stab o/c.
14-09-04
Decca
161
Tripping.
R508 ( 12k ) o/c.
14-09-04
Decca
162
field collapse
R434 10R safety res o/c no other ff
14-09-04
Decca
165
Blank raster with flyback lines - sound Ok.
R410 ( 10R ) o/c.
14-09-04
Decca
165
Chan store inoperative
Add 10µ 35v cap across RR34 5k6
14-09-04
Decca
165
Cone shaped raster.
LOPTX.
14-09-04
Decca
165
Dark band 1-2" across centre of screen.
C303 ( 220nf )
14-09-04
Decca
165
Dead
R803 R809 82K
14-09-04
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