hitachi Repair Tips
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Results 930
Results 930
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Hitachi | NP84CQ | dead - trips once at sw on | HT high at 150v (100v); Q902 BU806 leaky; ZD901 BZW03C36 s/c | ||
| Hitachi | NP84CQ | Dead - shows "1" in display | Q902 BU806; ZD901BZW03C36; Q1455 BC548B | ||
| Hitachi | NP84CQ | dead - ht fuse o/c | when replaced squeals if sw held in - whisker of wire on lopt pin s/c supply | ||
| Hitachi | NP84CQ | Dead - blown. | Uprate fuse from 1.25a to 1.6amp. | ||
| Hitachi | NP84CQ | dead | F901 1.6A fuse o/c - no other ff | ||
| Hitachi | NP84CQ | Dead | CHECK Q703 , Q702 , Q903 & LOPTY | ||
| Hitachi | NP84CQ | Dead | R710 OR R713 OC IN LINE DRIVER STAGE | ||
| Hitachi | NP84CQ | Channels - screen flashes red , green or blue. | IC501 ( TDA3562A ) reduce R726 to 560R R610 to 8.2k. | ||
| Hitachi | NP84CQ | Bright vertical line. | Zener ZD702 ( 10v , 500mW ) leaky. | ||
| Hitachi | NP84 | Stuck in standby. | DRYS ON CHOPPER TX | ||
| Hitachi | NP83CQ | WORKS FOR 2mins THEN CHANNEL DISPLAY GOES OUT , PI | NO 5v PIN 20 MAB8422 5v REG OR BRIDGE RECTIFIER ON CITAC PANEL | ||
| Hitachi | NP83CQ | Weak contrast, no col - sound ok, controls have no effect | IC501 TDA2561A | ||
| Hitachi | NP83CQ | Trips into st/by | ok on dummy load - Loptx Pt no 2433752 | ||
| Hitachi | NP83CQ | Red raster & white hor lines on txt | TDA3561A u/s | ||
| Hitachi | NP83CQ | Pic made up of large white dots | IC501 TDA3561A | ||
| Hitachi | NP83CQ | NO S/V , IN AV MODE | ZD1438 12v ZENER | ||
| Hitachi | NP83CQ | No raster & no channel change. | Q1454 ( cita Pcb ) | ||
| Hitachi | NP83CQ | No raster - sound ok. | R720 , R721 ( 3.9k ) gone high. | ||
| Hitachi | NP83CQ | No raster - sound ok | No lum from IC501, sandcastle pulse low; R720/721 1M hi res | ||
| Hitachi | NP83CQ | NO PICTURE OR SOUND PSU & Line ok | 12v RAIL LOW R716 OC OR HIGH 2R |