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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: 30
BushBM6514 Ranger 2Hum bar & picture distorted.2x Diodes on right hand side from back ( BY133 type )14-09-04
JMBJMBM020FTS PT92-90degNo col, ragged verts & causing interference on hearby tvsLOPTx - (pt-10677080) (FBT40784) from Wiltsgrove @ 14.75UKP's.arcing at bottom where EHT lead is pushed in14-09-04
MitsubishiC21M1BM MPOPPING OR MOTORBOATING NOISE FROM SPEAKER IN SBYCHECK Q951 AND Q952 AND DRIES AROUND R954 R974 & R985 JC 501-Q , Mitsubishi 260P543050 . 2SA950-Y , Mitsubishi 260P25504014-09-04
MitsubishiCT1447BMDeadIC901 STR44115, D906 (RG2) protection diode, R901 (4r7/7W) and C921 (47µF/50V).14-09-04
MitsubishiCT14MS1BMIntermittent field jitter .Dryjoint at R461.14-09-04
MitsubishiCT14MS1BMpic shifted to rightdry joint R527 near lopt14-09-04
MitsubishiCT1905BMSBY LIGHT ON , POWER SUPP RUNNING BUT DEAD . NO LINC501 , 100mfd , 25v ON SIGNALS PCB14-09-04
MitsubishiCT2117BMCol cycles thro' auto grey scale at sw on with flashing linesCaused by High HT - C911 33µ 50v, C910 33µ 50v & C913 100µ all hi esr14-09-04
MitsubishiCT2124BMDeadC964 100µ50v o/c14-09-04
MitsubishiCT2124BMDeadC962 100µ & C974 10µ in -30v supply6had leaked & corroded adjacent print, also C965 220µ leaky in 12v supply14-09-04

MitsubishiCT2124BMLoss of tuning memorycheck IC702 for 5v at pin1 & -30v at pin 2. If missing check back to psu, if ok replace chip.14-09-04
MITSUBISHICT2124BMNOT SWITCHING ON FROM COLDREPLACE C964 100MFD50V14-09-04
MitsubishiCT21M1BMInt stuck in standby.Drys on CF701 Xtal , on/around IC701.14-09-04
MitsubishiCT21M1BMRED LED LIT BUT WONT COME ONDRY JOINTS ON CF701 4Mhz CRYSTAL ON PINS 28 AND 29 IC70114-09-04
MitsubishiCT21M1BMSides of pic moving in & outC906 in psu - also check other caps in psu14-09-04
MitsubishiCT21M1BM CT25M1POPPING NOISE IN STBY WORKS OK WHEN ONQ951 Q952 OR DRYS ON CONNECTOR PB , R954 , R974 , R98514-09-04
MitsubishiCT2227BMDead - int deadDry-joints on line driver transformer14-09-04
MitsubishiCT2227BMfield collapse with burning smellC412 330µ and C41314-09-04
MitsubishiCT2227BMNo sound or raster.R7A0 ( 1.2ohm ) o/c on remote panel.14-09-04
MitsubishiCT2227BMReduced height.Dry-joints on line driver transformer14-09-04
MitsubishiCT2227BMStandby - switching to standby.IC7A0 ( M50124P )14-09-04
MitsubishiCT2531BM Euro 4AFTER REPLACING STR59041 FOUND ODD EFFECT AS IF TOC908 10mfd 100v14-09-04
MitsubishiCT2531BM Euro 4DOTS & DASHES NOT UNLIKE SATELLITE EFFECT!DRY JOINT IC902 12v REG14-09-04
MitsubishiCT2531BM Euro 4INTERFERENCE ON SCREEN LIKE BLACK SPARKLIES OR WOOIC902 DRY JOINTED OR C920 470uF 25v14-09-04
MitsubishiCT2531BM Euro 4Line TR s/cReplace C908 ( 10uF ) 100V & check R903 R910 R917 for D/J14-09-04
MitsubishiCT2531BM Euro 4No raster - sound & heaters Ok.14-09-04
MitsubishiEuro 6 CT2145BMNo colourLO601 bandpass transformer14-09-04
SonyKV1810UB MK2Frame - height varying.Thermistor Th501 , check field TB presets.14-09-04
SonyKV1810UB MK2Frame - slight field non-linearity.C520 ( 10u F , 16v ) can use two 22u F back-to-back.14-09-04
SonyKV1810UB MK2Grainy picture.Q211/212 plus associated components , tuner.14-09-04
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