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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: 561
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
MitsubishiCT37C2STXDeadblown 5A wickman fuse from sec of chopper Trfmr Z95014-09-04
MitsubishiCT37C2STXSt/by onlyC959 470µ 16v & C956 2200µ 25v & check R956/ 986 for dry joints14-09-04
MitsubishiCTAV1BInt reverts to st/by (aft 30mins)CRT appears to have flashed over by spark gap - check aquadag earthing14-09-04
MitsubishiCTV2533Destruction of line TR ( 2SD1877 ) intRemove T551 retin & replace replace STR59041 Q90114-09-04
MitsubishiCVC800Colour - has hanover bars.C307 ( 10uf ) tant.14-09-04
MitsubishiEE2black line down lh sideR571 560R 1w o/c14-09-04
MitsubishiEE2 CT14MS1LStuck in AV modeCheck for cracks around tuner lugs14-09-04
MitsubishiEE3Bank raster/no sound - OSD okZ953 1.6A cct prot. Has been uprated to 3.15A in sets incorporating sat Rx14-09-04
MitsubishiEE3Crushed whitesQ952 8v reg dry joints14-09-04
MitsubishiEE3DeadAVN5-KIT is available when Q552 has gone s/c - includes R713 1k, R726 5k6, Q552 2SD1556, Q901 S2000N, R508 3k9 5w, R991 4R7 10w, D909 RD3.0FB2 zener, an additional cap C720 22pf14-09-04

MitsubishiEE3DeadCct prot o/c - uprated to 3.15A from 2A also could be start up res R915 15R 2W, R922, R921 & R902 22k 2w 14-09-04
MitsubishiEE3Dead - LOP tr S2055N leaky then no line drQ551 fully conducting, Q501 JC501-R u/s14-09-04
MitsubishiEE3Dead - Q552 s/c due to high hTC914 47µ 35v o/c14-09-04
MitsubishiEE3Dead apart from flashing red/green LEDsC955 1000µ 16v14-09-04
MitsubishiEE3Dead- initially long time to come onC914 47µ 35v, C955 1000µ 16v14-09-04
MitsubishiEE3Dead; 2A fuse blown violently & chopper Q901 s/cReplace Q901 S2000N, IC901 TEA2261, Opto coupler PC951 TCDT1124G. Check D909 zener RD3.0FB2 & R908 0R33 2w & R909 0R22 2w14-09-04
MitsubishiEE3Green LED lit - no other activityHT secondary supplies ok- no line drive. IC702 EEPROM may need reprog14-09-04
MitsubishiEE3grey scale variesCRT bias request bit could not be set to 00 with G2 control - not IC201 dec/tbase gen chip.Cured by replacing TEA5101 RGB o/p chip & diodes D655/6/7 1N4148 on crt base14-09-04
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