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Repair tips

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

MakeModelProblemSolutionDate
Found: 38
Decca160/165Cone shaped raster.LOTPX14-09-04
Decca160/165Dead - fuse blown.Chopper ( R4051 ) s/c , D812 ( BY396 ) s/c , R802 ( 3.3R 4W ) o/c.14-09-04

Decca160/165No frame.Drys on IC301.14-09-04
Decca160/165Stuck in standby.R508 ( 12k ) o/c , R509 ( 12k ) o/c.14-09-04
Decca165Blank raster with flyback lines - sound Ok.R410 ( 10R ) o/c.14-09-04
Decca165Chan store inoperativeAdd 10µ 35v cap across RR34 5k614-09-04
Decca165Cone shaped raster.LOPTX.14-09-04
Decca165Dark band 1-2" across centre of screen.C303 ( 220nf )14-09-04
Decca165DeadR803 R809 82K14-09-04
Decca165Dead - fuse blown.Chopper Tx ( R4051 ) s/c , D812 ( BY396 ) s/c , R802 ( 3.3R 4W ) o/c.14-09-04
Decca165Dead.L802.14-09-04
Decca165Field collapseDrys IC301.14-09-04
Decca165Frame cramp at bottom until set is warm.IC TDA4503.14-09-04
Decca165Int cutting out.Drys on Q801.14-09-04
Decca165Low gainR102 ( 4K7 ) o/c bais to base Q101 swaf transistor14-09-04
Decca165No signalsTDA4503 faulty in IF14-09-04
Decca165No soundTDA4503 chip14-09-04
Decca165No sync - sound muted.C122 ( 100nf ) leakey.14-09-04
Decca165Noise through speaker when set is in standby.Remove C826 , Fit 100nf Con in series with a 330R in C826 position14-09-04
Decca165Peak white rasterTDA3565 I50114-09-04
Decca165Position 1 keeps loosing memoryFit ( 10uF ) 35V cap across 34 ( 5K6 )14-09-04
Decca165Set stuck in StByCheck QR06 ( BF391 ) for s/c R007 & RO11 both ( 3K9 ) if both o/c replace microcontroller14-09-04

Decca165Signals low gainR102 4k7 o/c14-09-04
Decca165Sound muted - no sync.C122 ( 100nf ) leakey.14-09-04
Decca165St/by onlyQR06 BF391 s/c, micro faulty (due to increased supply), R007 & R011 3k9 o/c14-09-04
Decca165St/by onlyMains sw temp contacts only 0.5v (-15v) - R803/809 82k hi res14-09-04
Decca165Stuck in standby.R508 ( 12k ) o/c , R509 ( 12k ) o/c.14-09-04
Decca165Tripping HT constant at 117vNo line drive as 11.5v supply missing pins 7 & 22 IC101 - Check R507 & R508 12k14-09-04
Decca165Tripping.D812 ( BY396 ) s/c.14-09-04
GECC1653Dead - Int.DJ on LOPTX pin 2.14-09-04
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