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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
MitsubishiEuro 4Pic int fades outDry joint pin 9 of socket to crt base14-09-04
MitsubishiEuro 4Poor HT reg on bright scenesC908 10µ 100v; C909 47µ 50v both 105deg14-09-04

MitsubishiEuro 4Poor video/luma/flaringGlue can cause tis problem - scrape off14-09-04
MitsubishiEuro 4rolling / excessive widthHT hi at 180v; C908 10µ 100v -40v reservoir cap u/s14-09-04
MitsubishiEuro 4Severe patt at sw onC920 470µ 25v14-09-04
MitsubishiEuro 4Won't store chans - prev stored ones okNo -30v to EEPROM - comes from st/by tfmr - had o/c winding14-09-04
MitsubishiEuro 4ZBlack lines , poor sync, no txt (until warm)C959, 962 100µ14-09-04
MitsubishiEuro 4ZBroad horiz black bands at sw onC922/923 100µ 5v smoothers14-09-04
MitsubishiEuro 4ZBuzz on chan change & no mono sound6Mhz resonator X3 in IF module14-09-04
MitsubishiEuro 4ZDead - Z902 650mA cct prot o/c & 5v reg o/cCaused bt s/c across 5v rail - IC7704 MAB8461-W115 on txt pcb14-09-04
MitsubishiEuro 4ZDead LOPTr fails at sw onS/C line scan coils14-09-04
MitsubishiEuro 4ZField scan rippledremove brown gunge from print side of pcb where extra components have been added14-09-04
MitsubishiEuro 4ZNo syncIC7706 SAA5243P/E on txt pcb14-09-04
MitsubishiEuro 4ZNo txt but comes on when not requested at sw onCheck SAA5243 chip & C922/923 100µ in 5v feed14-09-04
MitsubishiEuro 4ZSound int & fades - goes off with a bangQ3005 dry joints in audio module14-09-04
MitsubishiEuro 4ZSound int lostQ706 JA101QR muting switch14-09-04
MitsubishiEuro 4ZTuning driftCheck for dry joints & caps in IF can 14-09-04
MitsubishiEuro 4ZWeak smeary pic12v supply missing at Q253 Y amp due to crack in print top edge of pcb by plastic retainer14-09-04
MitsubishiEuro 4Z CT2153STXFlashing pic for first hourCarbonised glue on RGB panel - remove14-09-04
MitsubishiEuro 6Dead with squeals/c across lop traced to Loptx s/c between pins 1 (HT) & Chassis pin 7 ; LOPTx 334B08109 = HR7685 ?13.25 CPC14-09-04
MitsubishiEuro 6Int patterningC920 470µ 25v14-09-04
MitsubishiEuro 6Int shutdown & poor response to R/C & OSD corruptedC960 dry joints14-09-04

MitsubishiEuro 6No colIC252 TDA3565 running hot and faulty14-09-04
MitsubishiEuro 6No soundCheck for 12v pin 1 & 15.8v at pin 9 of IC361 AN5265 audio o/p chip. If no 15.8v, check C363 1000µ 25v, C915 470µ 25v, R912 0R82 ?w fusible. D911 BYW95B o/c. If no 12v check R368 & R371 100R ?w & zener D362. Also check Q302 JC501QR or IC101 M51496P14-09-04
MitsubishiEuro 6 CT2145BMNo colourLO601 bandpass transformer14-09-04
MitsubishiEuro 6 CT2146TXDead - no line driveCarbonised glue around fop chip had caused corrosion of earth track to line gen cct14-09-04
MitsubishiEuro 7Chopper Tranfmr whinesok when earth conn to STR54041 IC901 resoldered14-09-04
MitsubishiEuro 7Loss of sync when warmIC7704 MAB8461-W115 on txt pcb14-09-04
MitsubishiEuro 7Squealing - LOPTr s/c 2SD1877IC901 STR54041 causing HT to rise14-09-04
MitsubishiEuro 7St/by onlySTR54041 chopper chip14-09-04
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