| Make | Model | Problem | Solution | Date |
| | | |
| Found: 10
|
| Matsui | 21V1N | Dead | dry joints C60026, D60023/24 (1N4003), T60020 chopper FET IRFB640C, IC60030 µC3843N, R60027/28 0R57 o/c | 14-09-04 |
| Matsui | 21V1N | Dead - 2.5A mains fuse blackened | BY127 mains rects s/c; IRFBC40 chopper tr T60020 s/c - used BUZ91; chopper chip UC3843 | 14-09-04 |
|
|
| Matsui | 21V1N | Dead with mains fuse o/c | R60027/8 (both 0R56), D60011/12/13/14/23/24, BUZ91 (chopper tr), IC60030 (UC3843), & check for DJ C669 | 14-09-04 |
| Matsui | 21V1N | mains fuse blown | D60011/12/13/14/23/24 s/c & BUZ90 chopper tr. IC60030 replaced as precaution | 14-09-04 |
| Matsui | 21V1N | No HT control | HT pot R60027 increased in value from 0R68 to 1R6 | 14-09-04 |
| Matsui | 21V1N | No sound after psu rebuild | AF ok at I/p to Nicam panel. No 8v to IC3960 due to CD3963 sm diode LS4148 o/c | 14-09-04 |
| Matsui | 21V1N CUC7350 | Dead - HT only 25v | Check R60027 0R56 & R60026 0R56 high res or o/c | 14-09-04 |
| Panasonic | 21V1 | SMEARY VIDEO | CHECK C684 ON V MODULE 22mfd BI-POLAR - USE 2 IN SERIES. | 14-09-04 |
| Panasonic | Alpha2 TX21V1 | int. low or no sound from right speaker, also crackling | C2441 100pF LEAKY | 14-09-04 |
| Panasonic | TX21V1RE | Initial EHT rustle then chan no only | PSU ok on bulb, L303 10mH 12v feed coil to CITAC etc o/c | 14-09-04 |