Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
---|---|---|---|---|---|
Hitachi | C2848TN | no tuning or hi vol setting (hotel mode) | depress vol+/- whilst sw on. Press 2 vcr buttons on r/c. Check for "H" in lower right of menu. If pesent, delete using - /-- button. | ||
Hitachi | C2848TN | No sound - sound psu tripping | Still trips with both audio o/p chips dis'd - D9112 s/c | ||
Hitachi | C2848TN | In factory set up mode - C***48TN-311 displayed | Remove R/C flap & press tuning button. Then press Menu button & go to st/by | ||
Hitachi | C2848TN | Dead | Check 138v HT if hi check R950-2, Q703 gate = 3-4v (trip mode) Check for dry joints on R719 or Ics 950, 951,952 | ||
Hitachi | C2846TN A4 | St/by only or int goes to st/by | Dry joints R957 (near Q950 heatsink) & check drys on IC951, 952 etc | ||
Hitachi | C2846TN A4 | Raster still present in st/by | D4470 1N4531 leaky (RHS of the heatsink audio IC4450), working diode must have 28V at one end and 3.5V at the other end. | ||
Hitachi | C2846TN | Tripping with HT peaking at 170v | OK when dummy load touched onto HT rail with HT correct at 150v; R951 8k2 in opto cct hi res | ||
Hitachi | C2846TN | St/by only | HT high at 160v (should be 150v) R950 68k risen to 80k | ||
Hitachi | C2846TN | St/by only | IC952 dry joints | ||
Hitachi | C2846TN | Shuts down int for first half hour | Dry joints esp at R719/R718 | ||
Hitachi | C2846TN | Removing Code “C46TN” from screen | TV in factory set up mode - Using RCU, press two VCR REC buttons together. The MENU will appear, then switch to standby. Turn appliance back on and prompt should have disappeared. | ||
Hitachi | C2846TN | No Sound via off air or scart | Replace IC002 24C04 (Programmed with correct file) | ||
Hitachi | C2846TN | No sound (AV sound ok) | IC002 24C04 memory chip | ||
Hitachi | C2846TN | No sound - ok thro scart | EEPROM faulty | ||
Hitachi | C2846TN | No sound | EEPROM corrupt due to dry joints on regs - replacement pt no E730045 |