| Make | Model | Problem | Solution | Date |
| | | |
| Found: 14
|
| Protech | | Faint pic | C604 47n 63v s/c | 14-09-04 |
| Protech | 11AK20D1 | Dead - pri HT only | R804 15k 1w, IC801 TDA4505-2 replaced left psu tripping - D809 MR856 s/c - used BYW96E in lieu | 14-09-04 |
| Protech | 3731T 11AK20M-3 | LOPTx arcing | Use ALB587 from CHS (same as Bush 1433) | 14-09-04 |
| Protech | 3743T | Dead | R804 820k in psu o/c | 14-09-04 |
| Protech | 3743T | Reluctant cold start | Reduce R802 from 75k to 30k 2w | 14-09-04 |
| Protech | 5131NT Vestel | No pic - sound ok | Poor washed out pic appeared when A1s advanced - TDA6107Q RGB O/P chip on CRT base | 14-09-04 |
| Protech | 6392 11AK12-9 | Field collapse | R818 22K o/c | 14-09-04 |
| Protech | 7206NT 11AK19-8A | E-W faulty - narrow, bowed pic | Dry jointed & o/c C630 430nF, when replaced took the FOP chip out. R629 2R7 safety res o/c, replaced TDA8351 FOP chip & L604 shorted turns (read 0R9 - should be approx 2R7) rewound with 393 turns - see also Bush 2871NTX | 14-09-04 |
| Protech | 7295 | Field collapse | No volts pin 33 TDA8362A (field ramp) - R810 22k o/c | 14-09-04 |
| Protech | 7295 | No sound | TDA1521A Audio o/p chip u/s due to C380 1000µ 35v s/c | 14-09-04 |
|
|
| Protech | 7295 | Tuning drift | Tuning volts varies due to C504 0µ1 leaky | 14-09-04 |
| Protech | 7295 11AK12 | Field collapse | R818 22k 1w in 33v line o/c | 14-09-04 |
| Protech | 7296NT | Field collapse | TDA8361A jungle chip - no field drive o/p although most dc volts were about right | 14-09-04 |
| Protech | PFA3639/B 11AK20 | Dead | D809 sec chopper trfmr s/c - needs r/c to sw on set | 14-09-04 |