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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: 25
ITTMonoprint BComes on with a screechC901 4µ7 400v & C707 2µ2 63v14-09-04
ITTMonoprint BCuts out & int loses chan memory5v reg IC140514-09-04

ITTMonoprint BdeadHT at LOP Tr low at 25v; C701 4µ7 400v low cap (HT smoother)14-09-04
ITTMonoprint BDeadDry joints pin Q of chopper tfmr14-09-04
ITTMonoprint BDeadT501 BU508A LOP tr leaky, dry joint C518, C712 47µ 16v hi esr14-09-04
ITTMonoprint BDeadD733, IC701, R715, R721, D70214-09-04
ITTMonoprint BDead - 115v at BU508D collector.Try LOPTX see Tv mag.14-09-04
ITTMonoprint BDead - low HT & no EHTLOPTx - scope LOPTr coll - has lots of spikes14-09-04
ITTMonoprint BDead - no 115v feed to line stage.C701 ( 4.7u f ) in PSU.14-09-04
ITTMonoprint BDead - pri psu okD733 & C73414-09-04
ITTMonoprint BDead - trippedLOPTx or s/c LOP stage14-09-04
ITTMonoprint BHow switch mode PSU works.With ccts.14-09-04
ITTMonoprint BInt deadDry joints chopper tfmr14-09-04
ITTMonoprint BNo cold startC722 470µ 16v (8v smoother)- NOTE wrong markings on pcb top14-09-04
ITTMonoprint BNo control via front controlsKeypad defective - try cleaning14-09-04
ITTMonoprint BNo soundC304 470µ (pin 5 TDA8196 IC301)14-09-04
ITTMonoprint BPic pulling/flickering - OK on ScartC201 4µ7 in tuner hi esr14-09-04
ITTMonoprint BSizzling noise followed by thump then Dead.Pin G of chopper Tx dry.14-09-04
ITTMonoprint BSlow start upC701 & C70714-09-04
ITTMonoprint BSlow start up from cold.Change C701 , C722 ( 470u f 16v ) , C711 , C707 , R51214-09-04
ITTMonoprint BSlow startup.C704 ( 47u f ) , C701 ( 4.7u f ) may check Ok.14-09-04
ITTMonoprint BSt/by onlyHT at chopper Tr - Replace C701 4µ7 400v o/c; BU508A LOP Tr leaky14-09-04

ITTMonoprint BSt/by onlyC71514-09-04
ITTMonoprint BSt/by only with EHT presentC72214-09-04
ITTMonoprint BTxt inoperative - indicator worksDPU2540 chip on txt panel14-09-04
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