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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
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
ITTMP37HNo sound via tuner - ok via scartSurf mount Tr VA02 BC847 leaky b-e - pulled down pin 1 of TDA8362 audio de-emphasis14-09-04
ITTPicoDead - PSU not operatingZPY120 120v over volts zener leaky14-09-04
ITTPicoWill not startup - LTB loaded.Disconnect scan coils if sounds better then LOPTX.14-09-04
ITTPico 1Dark picTDA3561 u/s14-09-04
ITTPICO 1PICTURE DARK ( NOT A1 SUPPLY )TDA356114-09-04
ITTPico 1ADead - with rapid tickingNo HT - D658 120v zener leaky14-09-04
ITTPico 1ATuning - will not tune in.R1154 ( 2.2k ) o/c , D1151 ( reads ok )14-09-04
ITTPico SBad hum bar & no soundReplace 4 x 1N4007 mains rects14-09-04
ITTPico SBlank raster with line tearing - sound intC524 10µ14-09-04
ITTPico Sdead2A fuse on front panel o/c; degauss therm caused it14-09-04
ITTPico SDead.Check small LT transformer for o/c.14-09-04
ITTPico SDisplay shows "88"SAA1292 chip faulty - caused by dry joints esp on C10 1000µ14-09-04
ITTPico SInt dead when heated115v HT still present; dry joints LOP tr14-09-04
ITTPico SMisty pic - poor col with red flaringEarthing ring on crt base shorting to cathodes14-09-04
ITTPico SNo soundR1075 3R3 safety res o/c; C229 220µ s/c14-09-04
ITTPico SPulling/bouncing/int loss of soundC212 10µ 50v in CMR800 (top of can)14-09-04
ITTPico SSt/by onlyrelay clicks at sw on but no HT to LOP Tr; C701 10µ 350v faulty14-09-04

ITTPico S2Dead - no relay click at switch on.Standby mains transformer primary winding o/c.14-09-04
ITTPico S2Dead - no relay click or displayMains st/by tfmr o/c pri14-09-04
ITTPico S3Dead - life restored if scan coils dis'dWidth control coil on scan coils has shorted turns14-09-04
ITTPico S3Dead apart from brief led flicker at sw onLOPTx14-09-04
ITTSP71D1Dead with S2000AF lop tr s/cfailed aft replacement - CK51 8n7 1.6kv faulty14-09-04
ITTSP71D1line driver tr VK22 blows few mins aft sw onCK22 2µ2 100v14-09-04
ITTST28TXNo sound/blank raster - no R/C & corrupt displayreset line to micro IC701 stuck at 4v. CCU SEL06 & MDA2061 leaky from reset pins to chassis. No sound caused by D701 1N4148 in mute line leaky. All caused by dry joints on reg chassis connection14-09-04
ITTST28TXD2 S4SQDead - chopper tr BU908 s/cChange elects & TEA2165 in psu14-09-04
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