Dicas Reparação HITACHI
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Hitachi | C2846TN | MODEL OF TV DISPLAYED ON SCREEN | PRESS BOTH RECORD BUTTONS ON REMOTE SWITCH TO STANDBY THEN SWITCH OFF AT SET WAIT 30SECS THEN SWITCH BACK ON | ||
| Hitachi | C2846TN | Model no displayed (factory mode) | Press both rec buttons on hset, sw to st/by & then sw off at mains. Wait 30secs b4 sw back on. | ||
| Hitachi | C2846TN | Field collapse | TA 8427K and 2R0 safety res | ||
| Hitachi | C2846TN | Field collapse | R710 2R in FOP supply o/c | ||
| Hitachi | C2846TN | Field - lines at top of pic | TA8427K field chip | ||
| Hitachi | C2846 | Field collapse | IC601 (TA8427K) + 26v rail supply R710 (2R0 safety) | ||
| Hitachi | C2842N 11AK19PP | Dead - D823 blown (not shown on cct) | When replaced still faulty, IC802 MC44604P chopper chip u/s - also check FET chopper Tr | ||
| Hitachi | C28300TN A5 | Long time for pic to appear & white bands across | C954 1000µ 35v in 12.6v supply | ||
| Hitachi | C28300,C2576TN etc A5 chassis | Red pic with fb lines | R829 fusible on crt base o/c (not shown on cct diag) | ||
| Hitachi | C28300,C2576TN etc A5 chassis | Int trips & lines | C719 4µ7 250v smoothing cap for 200v in E-W corr & check joints T702 (under plastic strut) & R950 68k near HT pot | ||
| Hitachi | C28300,C2576TN etc A5 chassis | Field lin & lines at top of pic | C725 33nF 400v | ||
| Hitachi | C28300 | No luminance when switched on after being left in st/by for a while | SAA4981 IC1300 on 16:9 sub panel | ||
| Hitachi | C2808 | Int lh chan sound | C420 470µ spkr coupling cap o/c | ||
| Hitachi | C25WITN311 | Int starts with brill increasing & fback lines showing then line collapse | dry jointed C703, by line transistor. Resoldered IC951 and 952 | ||
| Hitachi | C25P819 G7P | Int start up - B+ goes to 165v & line shuts down | ZD902 5v6 zener |