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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: 34
AmstradCT3028No signals or tuning voltsR124 15k o/c14-09-04
ITTCT3306 Mono ANo sync.C609 ( 100pf ) ceramic off pin 7 TDA257914-09-04

ITTCT3315 Pico SDark picture.270k resistor in 1st anode supply.14-09-04
ITTCT3325 Pico SNo colour after few hours.T1410 in tuner control unit ( IFB351 )14-09-04
ITTCT3326AFTER 10 MINS CHANNEL DISPLAY FLASHES AND SET GOEIC1405 5v REG INT OC ( MAY CAUSE TUNING INFO TO BE LOST )14-09-04
ITTCT3326 Mono BDead - 115v at BU508D collector.Try LOPTX see Tv mag.14-09-04
ITTCT3326 Mono BStartup - no startup - int.C701 , C707 ( 2.2u f )14-09-04
ITTCT3414Line ringingC724 18000pf u/s14-09-04
ITTCT3425 80RFlyback - white screen & flyback lines.A1 control cracked , R544 ( 820k )14-09-04
ITTCT3425 80RStandby - going into standby.IC1404 5 volt Reg.14-09-04
ITTCT3425 80R 110°Standby - intermittent going to standby.Power Tx on main PCB by loptx.14-09-04
ITTCT3435St/by onlyLOPTx - LOT192 Grandata u/s14-09-04
ITTCT3436 TrimlineBrightness at maximum.T1412 ( BC546 )14-09-04
ITTCT3437 Comp BNo startup just a low single thud.LOPTX D050/37 TFAT 380614-09-04
ITTCT3537Int deadIC405 5v reg14-09-04
ITTCT3725/1 80RStuck in standby - with a noise from LTB.D732 ( BY500-400 ) s/c can use a RGP3014-09-04
ITTCT3835NO PICTURE RASTER OKT401 BC548 OC ( NO SANDCASTLE PULSES )14-09-04
ITTCT3835 Comp 80Going into standby after a few minutes.C703 ( 10u f , 50v ) little blue one.14-09-04
MitsubishiCT32BW1BDead apart from pri HTReplace STRM6529 chopper chip, 0R22 res & check CCt prots in psu sec14-09-04
MitsubishiCT32BW1B W1Dead with no LEDs lit - quietley trippingCheck 2 current sensing res R907 and R915 in PSU. They are 0.22R and 0.27R in parallel for hi res14-09-04
MitsubishiCT33C1STXDeadC905 & C910 leaky causing Q901 & D907 s/c - also check IC90114-09-04
MitsubishiCT33C1STXDead with leds flashing intC959 470µ 16v14-09-04

MitsubishiCT33C1STXSync intVid I/p buffer Q7706 JC501R or possibly Q7707, C7718 22µ 50v 14-09-04
MitsubishiCT33C1STX AND SINT LOSS OF SYNCDRIES ON TEXT BOARD PLUGS / SOCKETS OR Q7706 Q7707 C771814-09-04
MitsubishiCT33C1STX AND SINT SYNCDRYS ON TEXT PCB CHECK PLUGS AND SOCKETS ALSO CHECK Q7706 , Q7707 , C7718 22uF 50v Q7706 MAIN SUSPECT14-09-04
MitsubishiCT3701TXDeadHT rect D916 s/c BY399 a good substitute14-09-04
MitsubishiCT3701TXDead & trippingDry joint on 47µ 200v cap in HT rail14-09-04
MitsubishiCT3703STXDead - LOPTr s/cLOPTr 2SD1879 replaced & C908 10µ 100v, C909 47µ 50v14-09-04
MitsubishiCT3703STXE/W & widthCHECK R5005 / R5006 FOR DRY JOINTS14-09-04
MitsubishiCT3703STXNo pic - ok thro' scartCheck for dry joints in IF can14-09-04
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