Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Hitachi | A5 | E/W faulty | Replace IC601 TDA8350Q | ||
Hitachi | A4 | Dead - tripping with relay clicking in time | Connect dummy load to removed R751 3R3 7w connection & HT ok at 150v with sound. IC601 Field/E/W chip proved faulty & D701/D701A | ||
Hitachi | A series | To check psu - remove Q904 & sw on | If no volts replace R901 82k, R909 6k8 | ||
Hitachi | A series | St/by only | Check R952 47k or 68k, check dry joints IC950, 951 & 952 | ||
Hitachi | 46TN series | Int dead | Dry joint R719 in prot network (half hidden by strut) | ||
Hitachi | 46TN series | HT settings | HT=110v in 21" sets; 146v in 25/28" sets (note ZD950 NOT 10v zener) | ||
Hitachi | 162E | Frame cramping at top. | R613 high. | ||
Hitachi | C2842N 11AK19PP 11AK19 | Dead - D823 blown (not shown on cct) | When replaced still faulty, IC802 MC44604P chopper chip u/s - also check FET chopper Tr | ||
Hitachi | C2125T 11AK19Y4 11AK19 | St/by only | Handset was faulty even though it gave an o/p | ||
Hitachi | C2125T 11AK19K 11AK19 | Dead aft it went pop | D812 BYD33D s/c in 14v supply | ||
Philco Hitachi | PC 1603 | Escurece a imagem , fecha altura e a largura (Intermitente) | STK da fonte | ||
Philco Hitachi | PC 1603 | Escurece a imagem , fecha altura e a largura (Intermitente) | STK da fonte | ||
Philco Hitachi | 3em1 PCS32 | Inoperante, com ruídos | C206 (0,22 µF) |