| Make | Model | Problem | Solution | Date |
| | | |
| Found: 901
|
| Hitachi | C2146 etc | "C46TN" displayed - in factory set up mode | Press the 2 VCR buttons on hset together - when the menu appears go to st/by | 14-09-04 |
| Hitachi | C2146 etc | Field - lines at top of pic | IC601 field chip | 14-09-04 |
| Hitachi | C2146TN | Dead - LED lit | Check 5v reg IC952 & 8v reg IC951, IC950 st/by reg & Field o/p chip TA8427K | 14-09-04 |
| Hitachi | C2146TN | Hor lines/striations across top 1/3rd of pic | R611 270R 1/2w across scan coils dry joints (hidden behind plastic frame supporting pcb) | 14-09-04 |
| Hitachi | C2146TN | Int cuts out | Dry joints Q951, Q952 & R952 82k, R950 56k hi res | 14-09-04 |
| Hitachi | C2146TN | Int field collapse | Dry joint on R710 | 14-09-04 |
| Hitachi | C2146TN | Int or totally dead | Check for dry joints at 5v IC952 & 8v IC951 regs, line dr tr Q701 & line dr trfmr | 14-09-04 |
| Hitachi | C2146TN | Int shuts down to st/by | Dry joints IC950, 951 & 952 | 14-09-04 |
| Hitachi | C2146TN | Int st/by | IC950 dry joints | 14-09-04 |
| Hitachi | C2146TN | Mode set up menu | Switch on holding in "Vol+" & "Vol-" together; Model No now displayed on screen; press 2 x rec buttons on hset together to display Vers & Standard; Version 46 V1.0 (later IC V2.0C)....Standard....I (for uk)..adjust with key 9....L.......key 8...DK.....key 0 BG.. 7...DEFAULT...0 1 to 6 alters value TV button return to 0...A18 Programme up button adjusts value.....LOO programme down value adjusts value .....If H shown set is hotel mode....and is removed by -/-- button....after adjustment put set into standby... | 14-09-04 |
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| Hitachi | C2146TN | SHUTS DOWN ONTO STANDBY | CHECK IC950,IC951 AND IC952 FOR DRY JOINTS | 14-09-04 |
| Hitachi | C2146TN etc | No sound | TDA7263 Audio o/p chip | 14-09-04 |
| Hitachi | C2146TN etc | Trips soon aft sw on | Dry joints R719/716 (LH rear of LOPTx)- hard to access, also check R905 0R5 or 2x 1R in Parallel | 14-09-04 |
| Hitachi | C2146TN series | Dead or int dead | Dry joints R956 1k (under bob of glue) | 14-09-04 |
| Hitachi | C2156 - C32WD2 &tc | Int goes to st/by | VR951 +B HT preset 1k goes int or microphonic | 14-09-04 |
| Hitachi | C2156/2186 | HT setting | 110v | 14-09-04 |
| Hitachi | C2156TN | Dead - trips once or twice at sw on | High HT - R950 68k hi res | 14-09-04 |
| Hitachi | C2164TN | Dead | Check for dry joints R719 in trip cct | 14-09-04 |
| Hitachi | C2164TN | Dead - psu shut down | R901 82k 1/2w in psu | 14-09-04 |
| Hitachi | C2164TN | Int start up - ok once going | Dry joints Q954 emitter in st/by sw cct | 14-09-04 |
| Hitachi | C2164TN | Int trip | ZD701 pt no 2339251M | 14-09-04 |
| Hitachi | C2164TN | SHUTS OFF INT | ZD701 Pt No 2339251M | 14-09-04 |
| Hitachi | C2164TN | To check psu - remove Q904 & sw on | If no volts replace R901 82k, R909 6k8 | 14-09-04 |
| Hitachi | C2164TN | Trips at sw on | TDA7263M audio o/p chip s/c | 14-09-04 |
| Hitachi | C2164TN C2564TN | WONT START , JUST MOMENTARILY ENERGISES THEN DIES | CHECK 25v SUPPLY TO AUDIO | 14-09-04 |
| Hitachi | C2166TN | Dead with dim st/by light | Dry joints IC902 | 14-09-04 |
| Hitachi | C2166TN | Int trip | IC952 5v reg faulty | 14-09-04 |
| Hitachi | C2166TN | Int trips | Remove glue from IC950 & surroundings | 14-09-04 |
| Hitachi | C2166TN | Sound absent | IC002 Hitachi Part No. E730045 | 14-09-04 |
| Hitachi | C2166TN | St/by only aft initial EHT rush | Dry joints IC951/2 | 14-09-04 |