Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
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 | ||
Hitachi | NP83CQ | No pic just vert lines | same with txt pcb removed - TDA3561A decoder chip u/s | ||
Hitachi | NP83CQ | No cold start | C908 33µ | ||
Hitachi | NP83CQ | Int/crackly sound | tone control under front flap noisy | ||
Hitachi | NP83CQ | Height reduces on warm up | TDA3651A field chip u/s | ||
Hitachi | NP83CQ | Frame - foldover after 10 mins. | C613 ( 100u f ) o/c. | ||
Hitachi | NP83CQ | FIELD COLLAPSE OR FIELD FLUTTER | C603 1uF TANTALUM | ||
Hitachi | NP83CQ | Field bounce - top inch of pic int disappears | C613 100n across field scan coils | ||
Hitachi | NP83CQ | Dead with "1" in display | No B+ volts until loptx removed (130v) - new loptx cured it & HT normal at 110v | ||
Hitachi | NP83CQ | dead | STR6020 s/c; R715 2R2 o/c; 2A fuse o/c; R901 6R 6w o/c; TDA3651 u/s |