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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: 509
ITT80RCUTS OUT AFTER 30mins ( INT!!! )D772 IN POWER SUPPLY14-09-04
ITT80RDeadD733 145v RECTIFIER SC + C734 10uF 450v OC14-09-04

ITT80RDead - blowing BU at switch on.C701 or track dry on T702.14-09-04
ITT80RDead - comes on after switching off.R405 ( 820k ) o/c.14-09-04
ITT80RDead - destroys IC401 at sw onC406 100µ 25v14-09-04
ITT80RDead - intermittent.Dirty contacts on relay operated on/off switch.14-09-04
ITT80RDead.R422 ( 820k ) , R643 ( 1m ) , R405/R632 ( 820k )14-09-04
ITT80RFlagging & intermittent colour on ch 8.C721.14-09-04
ITT80RFrame foldover.C42 ) ( 220u f )14-09-04
ITT80RINT GOES TO STBYCHANGE C703 , 713 TO 10uF CONNECT 1R8 0.25W RESISTOR IN SERIES WITH D71214-09-04
ITT80RLine tear and / or striations on high scenes.Add 4.7k across winding of TR712 ( R722/TR712 ) & chassis.14-09-04
ITT80RPICTURE TOO WIDETR563 BD13514-09-04
ITT80RPOWER SUPPLY WHISTLING VOLTAGES LOWPULSE TRANSFORMER Tr71214-09-04
ITT80RRaster - white line down centre & blank ras.C606 ( 2200u f ) o/c.14-09-04
ITT80RSET SHUTS OFF RUNS WITH 15k ACROSS TP 701 + 702C703 1000uF 40v14-09-04
ITT80RSound - has noise in background.IC202 ( TDA1701 )14-09-04
ITT80RStandby - light on - no startup.D721/3 o/c , R716 high , check C703 little ( 10uf , 50v ) , D732/3.14-09-04
ITT80RStandby - permanently in standby.T713 , fuse F651 o/c.14-09-04
ITT80R 110°Int no startup.C703 & C713 ( 10u f , 50v ) little blue ones by BU heat sink.14-09-04
ITT80R 110°Standby - light on - no startup.D721/3 o/c , R716 high , check C703 little ( 10uf , 50v ) , D732/3.14-09-04
ITT80R-90°Cuts out after 1/2 hour - Ok if switched on.D772 ( 1N4148 ) in HT ajustment cct.14-09-04
ITT90Dead.R405 ( 820k ) o/c14-09-04

ITTC14 Pica 1ANo startup - Chattering noise.D658 ( ZPY12 ) s/c set will work without it , BYZ88 no good.14-09-04
ITTC5122 Core 110Flashing pic & no tuning on highest chans33v Tuning reg14-09-04
ITTCB9604 CVC40Flyback lines - A1 control not working.R46/48 ( 820k ) on main PCB o/c.14-09-04
ITTCB9604 CVC40No frame.T7 ( BC527 ) on CMF40.14-09-04
ITTCD652 CVC25/3Channels - stuck on channel 1.C5 leaky.14-09-04
ITTChassis 80R110Set switches to Stby after running for a while.Change D761 13V zener.Seems to be OK with a Vom.14-09-04
ITTCMC301No tuning.T1414 leaky.14-09-04
ITTCMC301Standby - Intermittent switching to S/BC1419 ( 2.7pf ) leaky.14-09-04
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