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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: 442
Decca130Grey scale varying.Check R226 , R244 , R251 ( 100k ) may be high.14-09-04
Decca130Standby - Going into when changing channels.Standby transformer o/c winding.14-09-04

Decca130TrippingR816 100R o/c in psu14-09-04
Decca130TrippingR18614-09-04
Decca130Tuning - intermittent on some ch only no sigsRM17 ( 560k ) high.14-09-04
Decca130Tuning - no signals - snow.RM17 ( 560k ) o/c.14-09-04
Decca130Tuning - no signals.BF959 ( IF pre amp ) o/c.14-09-04
Decca135Tuning - drifting off tune when warm.R68 ( 33k ) going high.14-09-04
Decca140Colour - dropout - intermittent.Q211 & Q203.14-09-04
Decca140deadno 18v supply - D811 dry jointed14-09-04
Decca140DeadR805 390K OC.14-09-04
Decca140Dead - after 5 mins.C813 lead broken.14-09-04
Decca140Dead - fuse f801 blown.Q801 s/c , C425 ( 8.2nf or 8.6nf ) , Dry D811.14-09-04
Decca140Dead - no 18v rail.D811 check if lead is through board.14-09-04
Decca140Dead with ticking/buzzing - HT low at 50vC807 & 808 100µ 25v14-09-04
Decca140Dead.Crack in print between D805 & D802.14-09-04
Decca140FIELD BOUNCEPOOR CONNECTION AT PIN 8 M50114-09-04
Decca140Field bounce in TxtDry joint pin 8 connector M50114-09-04
Decca140field collapse - no picR434 10R safety res in 25v feed to field chip o/c no other ff14-09-04
Decca140Field roll with hold control at one endR423 ( 2M2 ) o/c14-09-04
Decca140Flickering LED display - no remote control.DJ where connected to 5v line on display panel.14-09-04
Decca140Flyback - lines on bright picture.Change R436 & check C42714-09-04

Decca140Frame - lack of height - field roll.R423.14-09-04
Decca140Int changes chan on its ownFocus spark gap14-09-04
Decca140Int frame roll - preset up one end.R423 ( 2.2R )14-09-04
Decca140Int snowy picQ101 BF959 SAWF driver int14-09-04
Decca140Int start upR805 390k hi res also check R802 10k dry joints14-09-04
Decca140Loud hum at sw on with no picC807, C808 & C810 100µ 25v14-09-04
Decca140Loud hum at switch on.C808 & C810 ( 100u f , 25v )14-09-04
Decca140No functions - HT ok.R817 ( 220R safety ) o/c.14-09-04
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