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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: 561
MitsubishiCT28AV1BDNOT HOLDING M1 SETTINGSFIT 8V REGULATOR KIT14-09-04
MitsubishiCT28AV1BDPopping soundChanged CRT base pcb14-09-04

MitsubishiCT28AV1BSDDeadC955 3300µ 16v & reprog EEPROM14-09-04
MitsubishiCT28AV1SDead - no st/byLOPTx faulty - HR8204 is a replacement14-09-04
MitsubishiCT28AV1SNo sound after ext spkrs connectedCheck 4 x TDA7263 o/p chips (1 partly hidden) & safety res on audio panel14-09-04
MitsubishiCT28B2STXN/S DistortionReplace Q4009 on PCC board. (TIP42C Substitute ok)14-09-04
MitsubishiCT28BW2BBRIGHT RASTER WITH FLYBACK LINES SET ARCINGREPLACE C551 AND R686 (CRT BASE)14-09-04
MitsubishiCT28BW2BMUFFLED SOUND FROM MAIN SPEAKERS DOLBY TEST PRODUCES NO SOUND FROM FRONT SPEAKERSREPLACE IC35114-09-04
MitsubishiCT28BW2BMuffled sound from main spkrs - no prologic sound o/pIC351 audio o/p chip TDA726314-09-04
MitsubishiCT28BW2BPoor pics with streaking on whitesR686 1k8 hi res in G1 supply14-09-04
MitsubishiCT28BW2BSmall Bright raster with fb lines - arcing from setC551 3nF arcing - blew R686 - uprate to 2k7 on CRT base14-09-04
MitsubishiCT28BW2BSmearing on whites - OSD gives faulty crt symptomR686 1k8 pin 5 crt base - change to 2k7 & set G2 to 00 in set up menu14-09-04
MITSUBISHICT28BW2BSMEARING ON WHITES LOOKS LIKE SOFT CRTREPLACE R686 ON CRT BASE 1.8K OHM14-09-04
MitsubishiCT28BW2BDLum intDry joint 8v reg Q952 (On same heatsink as IC401 7 pin LT reg)14-09-04
MitsubishiCT28BW2BDNo soundLT reg's were dry jointed causing intermittent loss of picture and sound, and I am sure this is what corrupted the eeprom. The Chassis is an EE3W and to access the service menu you need to press this sequence. "Menu,2,3,5,7". the adjustments are made in the same way as the EE3.14-09-04
MitsubishiCT28BW2BDReverts to st/by at sw onD507 BYD33G s/c in 28v supply to FOP14-09-04
MitsubishiCT2964STXDead with psu blownCheck C909 (47uF 50V), C920 (470uF 25V), C923 (100uF 10V), C4009, (47uF 25V), IC4000 (TL082CP), D4000 (1N4148 s/c), Q4005 (BC337 C-E s/c), (D4006 8.2v zener)14-09-04
MitsubishiCT2965Ghosting or ringing.Drys around the SAW filter or coils L4/5 , if not mod kit AFT1 mits14-09-04
MitsubishiCT2965Int blank raster.Drys around the SAW filter or coils L4/5 , if not mod kit AFT1 mits14-09-04
MitsubishiCT2965Set buzzing - Blown line transistor.Q901 kit+IC901 , TEA2165 ( was 2164 ) , Z950 res , C906/956 , R950 , Dis L951 60w to deck if lit PSU ok14-09-04
MitsubishiCT2965 ( STX )Dead - Q901 s/c.Fit mod kit ( wVe 77901 ) R901 , D909 , Q901 , C908 to 2700pf , C969.14-09-04
MitsubishiCT29655TXThe standby light was on and flickering , but apartis in the primary. C905 ( 220uF , 25V ) .14-09-04

MitsubishiCT2965STXChirping noise in st/byCheck C912 4.7uF, C906 47uF, C959 100uF, C905 220µ & check for dry joints14-09-04
MitsubishiCT2965STXDEAD FUSE Z950 OC SOC3150REPLACE WITH PRF5000 Pt No 299P13201014-09-04
MitsubishiCT2965STXDead.CP Z950 ( SOC3150 ) now PRF5000 Part No. 299P132010.14-09-04
MitsubishiCT2965STXNO SOUND OR PICTURE - IC901 INT SC AND R901 OC.IF Q901 SC CHECK D909 ( OUT OF CCT )14-09-04
MitsubishiCT2965STXTripping & LED flashes for 1st 15 mins b4 TV comes onC905 220µ low cap - next to PSU IC14-09-04
MitsubishiCT29A4STXHum from 1 speaker in st/by onlyQ954 2SB113514-09-04
MitsubishiCT29A4STXNO SOUNDCHECK PROGRAMMING , THEN try Text if not working MAY BE MAB8461 ON TEXT BOARD.14-09-04
MitsubishiCT29A4STXNo sound1000µ 35v cap in psu had leaked over print & damaged earth return14-09-04
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