hitachi G7PSL Repair Tips
Search: G7PSL hitachi
Results 8
Results 8
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Hitachi | G7PSL2 | St/by only | ZD903 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 T901 | ||
| Hitachi | G7PSL | St/by only | Q781 2SD1884 LOPTr, Q903 BUT12AF chopper tr & ZD903 P6KE180A overvolts zener s/c - R760, R761, R762 & R766 2R2 ½w hi res | ||
| Hitachi | G7PSL | NO TUNING - JUST SNOW ( TUNING BAR PRESENT ON SCRE | R044 12k OC. ZD002 ( 33V Zen ) Q003 | ||
| Hitachi | G7PSL | No signals - osd searches | Tuning volts missing VT pin tuner, R044 12k o/c | ||
| Hitachi | G7PSL | Field non lin | C712 2200µ 50v & C606 680µ 16v | ||
| Hitachi | G7PSL | Field jitter when hot | D601 1N4002 | ||
| Hitachi | G7PSL | Field chip has short life | Add 2 x 33v zeners in series - cathodes to pin 2 IC601 & anode to chassis - if this has no effect , could be crt flashover | ||
| Hitachi | G7PSL | Excess bright raster | RGB colls low volts - Q801 BC558B leaky (on main pcb) |