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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: 8
HitachiG7PSLExcess bright rasterRGB colls low volts - Q801 BC558B leaky (on main pcb)14-09-04
HitachiG7PSLField chip has short lifeAdd 2 x 33v zeners in series - cathodes to pin 2 IC601 & anode to chassis - if this has no effect , could be crt flashover14-09-04

HitachiG7PSLField jitter when hotD601 1N400214-09-04
HitachiG7PSLField non linC712 2200µ 50v & C606 680µ 16v14-09-04
HitachiG7PSLNo signals - osd searchesTuning volts missing VT pin tuner, R044 12k o/c14-09-04
HitachiG7PSLNO TUNING - JUST SNOW ( TUNING BAR PRESENT ON SCRER044 12k OC. ZD002 ( 33V Zen ) Q00314-09-04
HitachiG7PSLSt/by onlyQ781 2SD1884 LOPTr, Q903 BUT12AF chopper tr & ZD903 P6KE180A overvolts zener s/c - R760, R761, R762 & R766 2R2 ?w hi res14-09-04
HitachiG7PSL2St/by onlyZD903 130v zener s/c; C906 4µ7 250v hi esr; R901 6R8 5w o/c;Q903 BUT12AF s/c; F901 2.5A o/c - all caused by dry joints T90114-09-04
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