| Make | Model | Problem | Solution | Date |
| | | |
| Found: 901
|
| Hitachi | C2565TN | Int shut down caused by high HT | Change R952 68k in psu to reduce HT to normal 144v | 14-09-04 |
| Hitachi | C2565TN | No pic with flyback lines | IC1410 faulty | 14-09-04 |
|
|
| Hitachi | C2565TN | Reverts to st/by at sw on - will come on if coaxed | R952 68k, R953 82k, R954 8k2 in PSU | 14-09-04 |
| Hitachi | C2565TN | SET SHUTS DOWN INT. ON LOSS OF LINE SYNC OR IF VCR | HT TOO HIGH ( NOT 144v ) R952 68k HIGH | 14-09-04 |
| Hitachi | C2565TN, C2574TN etc | Trips under certain pic conditions & on VCR playback | R952 68k, R953 82k, R954 8k2 & check for dry joints | 14-09-04 |
| Hitachi | C2567TN | E/W int | Q750 dry joints | 14-09-04 |
| Hitachi | C2573TN | Int shut down | Mains smoothing cap int o/c | 14-09-04 |
| Hitachi | C2574TN | Bouncing pic with lines aft ? hr | LA7838 filed ic & 2 x elect caps in vert o/p cct | 14-09-04 |
| Hitachi | C2574TN | EW IC IC751 and D706 failed. | R610 dry - on signal panel | 14-09-04 |
| Hitachi | C2574TN | Faint purple band thro' pic | Ringing in chroma delay line - delay line faulty | 14-09-04 |
| 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 | 14-09-04 |
| Hitachi | C2574TN C2874TN | Shuts down with only NICAM leds lit | R952 68k, R953 82k, R954 8k2 in PSU | 14-09-04 |
| HITACHI | C2574TN/2874TN | SET SHUTS DOWN WITH ONLY NICAM LIGHTS ON | REPLACE R952, R953 AND R954 IN POWER SUPPLY 68K, 82K AND 8.2K | 14-09-04 |
| Hitachi | C2574TNY | Bouncing pic when heated | R952 68k hi res | 14-09-04 |
| Hitachi | C2574TNY | Humming from chassis | C901 dry joints causing L901 to vibrate | 14-09-04 |
| Hitachi | C2576 | Set up mode exit | 1. Ensure service mode is displayed on OSD. 2. Switch to standby. | 14-09-04 |
| 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 | 14-09-04 |
| 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 | 14-09-04 |
| Hitachi | C2586TN | Dead - blows LOPTr at sw on | Dry joints scan coils | 14-09-04 |
| Hitachi | C2586TN | Pic goes bright green & trips off | Unable to set A1 volts correctly - D8 3v3 zener in G feed to crt base faulty | 14-09-04 |
| Hitachi | C2598A | No sigs | dist vid sig leaving IF module into sat rx - no 12 or 15v supplies as D1701 rect dry joint | 14-09-04 |
| Hitachi | C25P-818 | Blank white screen | C922 470µ 25v hi esr near psu | 14-09-04 |
|
|
| Hitachi | C25P759 | Dead or Int dead | Check C524 C525 C527 C528 C531 C614 C617 for D/J also TR130 IC130 IC140 & around Combi TX | 14-09-04 |
| 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. | 14-09-04 |
| Hitachi | C25P819 G7P | Int start up - B+ goes to 165v & line shuts down | ZD902 5v6 zener | 14-09-04 |
| Hitachi | C25WITN311 | Int starts with brill increasing & fback lines showing then line collapse | dry jointed C703, by line transistor. Resoldered IC951 and 952 | 14-09-04 |
| Hitachi | C2808 | Int lh chan sound | C420 470µ spkr coupling cap o/c | 14-09-04 |
| Hitachi | C28300 | No luminance when switched on after being left in st/by for a while | SAA4981 IC1300 on 16:9 sub panel | 14-09-04 |
| Hitachi | C28300,C2576TN etc A5 chassis | Field lin & lines at top of pic | C725 33nF 400v | 14-09-04 |
| 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 | 14-09-04 |