HITACHI C2546TN Repair Tips
Search: C2546TN HITACHI
Results 21
Results 21
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Hitachi | C2546TN | Prodedure to remove `C46TN` from screen | Press the 2 VCR buttons together, the menu will appear, then switch to standby mode, turn appliance back on and prompt should have disappeared. When tv is turned on it will ask you to search for a channel, select this and then cancel | ||
| Hitachi | C2846TN / C2546TN | Field collapse horizontal white line on screen | R710 dry joints. Same as C2146TN & C2546TN problem solved with thanks to Mike G & Barty. Power off/unplug. Get to circuit board underside with aerial socket up-R710 is near top and right of centre-cluster of 4 joints best resoldered | ||
| Hitachi | C2546TN | Tripping | Check R950 68k, R951 12k, R952 82k 1/2w & check for dry joints | ||
| Hitachi | C2546TN | Stuck in st/by prot cct in operation | 12v supply low - ZD952 11v zener leaky | ||
| Hitachi | C2546TN | St/by only | Drys on all regulators check frame ic replace 68k feed to ht pot and check the 12k next to it replace ht pot set ht to 152 volts and dry on R791 | ||
| Hitachi | C2546TN | St/by LED lit - HT to LOP stage but no line drive | Dry joints Q950 reg (under plastic support) | ||
| Hitachi | C2546TN | Reverts to st/by aft a sec with "growling" | Scan coils duff | ||
| Hitachi | C2546TN | Red cast to pic when col control increased | IC501 TDA4665 dig delay line chip | ||
| Hitachi | C2546TN | No sound | Memory chip replaced | ||
| Hitachi | C2546TN | INTETMITTANTLY CUTS OUT | RESOLDER IC951 | ||
| Hitachi | C2546TN | Int reverts to st/by | Dry joint on R956 to left of reg & check reg joints | ||
| Hitachi | C2546TN | Int operation then dead | Check dry joints IC950, IC951, IC952 & if still faulty replace IC950 | ||
| Hitachi | C2546TN | Int excess width - provoked by tapping | Q752 BC558B breaking down | ||
| Hitachi | C2546TN | Int cuts out | Dry joints IC951 8v reg LM7808 | ||
| Hitachi | C2546TN | Int buzz esp at sw on | L901 mains I/p filter choke | ||
| Hitachi | C2546TN | Field fault | R909 had a invisible dry joint | ||
| Hitachi | C2546TN | Field collapse | Dry joint R710 near FOP chip (hidden by glue) | ||
| Hitachi | C2546TN | Field collapse | check for dry joints fusible res in psu | ||
| Hitachi | C2546TN | Dead | Q903 ON4584 chopper Tr o/c, ZD901 4v7 zener & D905 1N4531 s/c | ||
| Hitachi | C2546TN | Dead | although the line output transistor was reading OK is was breaking down on load |