Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
---|---|---|---|---|---|
Hitachi | C25P819 | Blue & smeary piv | R809 22K on CRT base o/c, H.T. feed to Q803. R807 & R808, could cause similar problems on red & green drives. | ||
Hitachi | C25P-818 | Blank white screen | C922 470µ 25v hi esr near psu | ||
Hitachi | C25P759 | Dead or Int dead | Check C524 C525 C527 C528 C531 C614 C617 for D/J also TR130 IC130 IC140 & around Combi TX | ||
Hitachi | C2598A | No sigs | dist vid sig leaving IF module into sat rx - no 12 or 15v supplies as D1701 rect dry joint | ||
Hitachi | C2586TN | Pic goes bright green & trips off | Unable to set A1 volts correctly - D8 3v3 zener in G feed to crt base faulty | ||
Hitachi | C2586TN | Dead - blows LOPTr at sw on | Dry joints scan coils | ||
Hitachi | C2576TN | St/by only then dead | R95112k hi res, Q903 ON4584 s/c - used BUT18F in lieu, C915 33µ 16v & check for dries * R950 & R952 | ||
Hitachi | C2576TN | St/by only - stuck in prot mode | volts Q958 gate 0.7v = prot mode. Link out C932 to disable. Audio o/p chip IC4500 split & faulty | ||
Hitachi | C2576 | Set up mode exit | 1. Ensure service mode is displayed on OSD. 2. Switch to standby. | ||
Hitachi | C2574TNY | Humming from chassis | C901 dry joints causing L901 to vibrate | ||
Hitachi | C2574TNY | Bouncing pic when heated | R952 68k hi res | ||
HITACHI | C2574TN/2874TN | SET SHUTS DOWN WITH ONLY NICAM LIGHTS ON | REPLACE R952, R953 AND R954 IN POWER SUPPLY 68K, 82K AND 8.2K | ||
Hitachi | C2574TN C2874TN | Shuts down with only NICAM leds lit | R952 68k, R953 82k, R954 8k2 in PSU | ||
Hitachi | C2574TN | Field collapse | Small elect cap on print side of pcb (has 4k7 res in series) although measured ok was faulty - also check elects in area esp C601/603 & LA7838 | ||
Hitachi | C2574TN | Faint purple band thro' pic | Ringing in chroma delay line - delay line faulty |