Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
---|---|---|---|---|---|
Hitachi | NP82CQ/2 | No sound or raster. | R772 o/c , replace STA441C. | ||
Hitachi | NP82CQ/2 | No picture. | IC901 ( STR6020 ) , 2SD898B , Q681 ( 2SC1213A ) , R772. | ||
Hitachi | NP82CQ/2 | Dead. | Q681 , IC901 , R772. | ||
Hitachi | NP82CQ Mk2 | off, trips for a few secs at sw on | When trip disabled squeal from lopt - R772 10R hi res | ||
Hitachi | NP82CQ Mk2 | int revert to st/by | IC901 STR6020 | ||
Hitachi | NP82CQ | WONT TUNE , LOW FIXED VOLTAGE AT TUNER TUNING PIN | R1533 ( 39k ) | ||
Hitachi | NP82CQ | WONT TUNE | CHECK ZD901 , IC901 ( LM317T ) | ||
Hitachi | NP82CQ | Whistle - loud whistle & ragged verticals. | IC701 ( LA7801 ) | ||
Hitachi | NP82CQ | Tuning - snowy picture & poor sound. | C054 ( 22uf ) in AGC cct leaky. | ||
Hitachi | NP82CQ | Tuning - no tuning above a certain frequency. | D1508-1514 leaky. | ||
Hitachi | NP82CQ | Tuning - drift. | D1503-8 , D1511-2 leaky. | ||
Hitachi | NP82CQ | Ragged verticals & loud whistle. | IC701 ( LA7801 ) | ||
Hitachi | NP82CQ | No sound or raster. | R772 o/c , replace STA441C. | ||
Hitachi | NP82CQ | No picture. | IC901 ( STR6020 ) , 2SD898B , Q681 ( 2SC1213A ) , R772. | ||
Hitachi | NP82CQ | NO COLOUR PIN 5 IC501 LOW ( NORMALLY 3.8v FOR MAX | C507 2u2 SC |