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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: 16
MitsubishiCT2553STX Euro 4ZHT voltageShould be 156v14-09-04
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
PanasonicEuro 4ZDeadThe standby transistor Q951(2SC4004) S/C, it's emitter resistor R954(6R8), D958 (1N4148) S/C, and R975 (270R 1/2W fusible) O/C all in the standby circuit, would go up in a cloud of smoke repeatedly until I... eventually, located the culprit R964 (82R 1/8W) which had risen in value to approximately 260 ohms. It feeds D953 a 12V zener in the feedback circuit.14-09-04
PanasonicEuro 4Z CT2153STXDead with Q551 LOPTr s/cFit repair kit TZS9EK00114-09-04
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