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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: 132
Beko6BZ190-11Dead - psu burn upIC901 MC44603, T901 FET P3NA60 use 2SK2545, R911 1k14-09-04
Decca1901 or more control levels at zero or maximum.Front PB membrane.14-09-04

Decca190Alternate light & dark vertical bars.C901 ( 10nf , 2kV ) dry joint.14-09-04
Decca190Blowing S2000AF.C404 flyback tuning con.14-09-04
Decca190Britness turning up or down on its own.Hand set.14-09-04
Decca190Chopper transistor s/cAlso change R811 470k14-09-04
Decca190Colour drop out.Adj osc control to about 8 o'clock.14-09-04
Decca190Colour turning up or down on its own.Hand set - no controls on it for colour!14-09-04
Decca190Controls will turn down but will not turn up.Front PB membrane.14-09-04
Decca190Controls will turn up but will not turn down.Front PB membrane.14-09-04
Decca190deadht at lop tr - no 10 or 17v o/p from chopper tfmr. Dry joints chopper tfmr14-09-04
Decca190DeadR803/3 15k ?w o/c in psu14-09-04
Decca190DeadR802 R803 ( 15K )14-09-04
Decca190Dead - blowing TR801.R811 ( 470k ) , check TR801 insulator.14-09-04
Decca190Dead - fuse blown.Bridge recys , TR801 s/c , R801 ( 3.3ohm ) , R811 ( 470k ) , IC801.14-09-04
Decca190Dead - fuse Ok.R802/3 change to 16k .6W metal film.14-09-04
Decca190Dead - no display.R802 ( 15k ) o/c by set HT control.14-09-04
Decca190Dead PSU tripping StBy LED not alightReplace C814 ( 47uF ) 250V & C808 ( 100uF ) 385V14-09-04
Decca190Dead with trippingC814 47µ 250v, mains smoother C808 100µ 385v14-09-04
Decca190Dead.R802/3 ( 15k , 0.5W ) o/c.14-09-04
Decca190Dead.TR801 , fuse may soft blown , C803 low , IC801 , R827 ( 47 ) marked LK820.14-09-04
Decca190Decimal point permanently displayed/flashing.Front PB membrane , IC804 78M05CV reg.14-09-04

Decca190Display disappears after a few seconds.IC702.14-09-04
Decca190Displaying '0' & refusing commands.Front PB membrane.14-09-04
Decca190Dist sound/pic with buzz/pullingCheck adj of L102 "tank" coil14-09-04
Decca190Drifting off tune.Front PB membrane.14-09-04
Decca190Droning noise.C707 ( 470nf ) o/c.14-09-04
Decca190Foldover with excessive height.IC TDA4505 note if runing hot check P7 for 12V if high IC803 LM3114-09-04
Decca190Grainy picture.Check for 12v at P2 of tuner if not check edge of PCB.14-09-04
Decca190Grey scale faultsCheck 47k resistors ( 3 on each output stage )14-09-04
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