| Make | Model | Problem | Solution | Added | Date |
| | | | |
| Found: 4551 |
| Philips | CP90 | Dead - Pri HT ok | dry joints chopper tr coll | plamensl | 14-09-2004 |
| Philips | CP90 | Dead - st/by only - HT half its normal value | R3623 8R2 hi res, D6667 1N4148 o/c | plamensl | 14-09-2004 |
| Philips | CP90 | Dead - went off with a flash | Dry joints chopper tr 7677, s/c mains rect 6657 BYD14J, o/c 2A fuse | plamensl | 14-09-2004 |
| Philips | CP90 | Dead - whistling - over volts prot firing | HT above normal 95v - Tr7701 BC548 in error amp cct s/c | plamensl | 14-09-2004 |
| Philips | CP90 | Dead but ok on dummy load with ht at 95v | C2703 330µ 25v leaky | plamensl | 14-09-2004 |
| Philips | CP90 | Dead H.T. low 50V | Check D6610 if ok suspect LOPT | plamensl | 14-09-2004 |
| Philips | CP90 | DEAD HT RISES , DIES INSTANTLY | R3665 , D6665 4R7 and IN4148 | plamensl | 14-09-2004 |
| Philips | CP90 | Dead no 19V rail F1690 o/c | IC1701 TDA8190 | plamensl | 14-09-2004 |
| Philips | CP90 | Dead no st/by - 95v/22v present | o/c print near M13 plug/skt | plamensl | 14-09-2004 |
| Philips | CP90 | DEAD POWER SUPPLY OK NO 6v ON MICRO IC | D6733 OC | plamensl | 14-09-2004 |
| Philips | CP90 | Dead PSU working Pulsing | D6610 s/c R3600 o/c D6072 ( 6V2 ) Zener ( if no start up V at junction R3661 R3673 CNX62 u/s ) | plamensl | 14-09-2004 |
| Philips | CP90 | Dead set - no st/by LED or chan ind | Check for osc at pins 31 & 32 TMP47C432 micro IC7840. If absent check C2934 & C2935 27pF leaky | plamensl | 14-09-2004 |
| Philips | CP90 | Dead with faint whistle | ok on dummy load. BUT11AF loptr s/c - dry joints on chopper tfmr & loptx | plamensl | 14-09-2004 |
| Philips | CP90 | Dead with faint whistle | Pri HT OK, No HT at loptr; C2619 1n5 2kv burnt & s/c | plamensl | 14-09-2004 |
| Philips | CP90 | Dead with pulsing psu - the 95v HT low at 60v | D6702 BZX79-F6V2 zener leaky | plamensl | 14-09-2004 |
| Philips | CP90 | Dead. | 1.6amp fuse o/c , check for drys on LOPTX ect. | plamensl | 14-09-2004 |
| Philips | CP90 | Dead. | C2679 ( 1nf 2kV ) , D6679. | plamensl | 14-09-2004 |
| Philips | CP90 | Dead. | C2695 ( 2.2nf ) , D6695 s/c. | plamensl | 14-09-2004 |
| Philips | CP90 | Dead. | R3668 ( 15R ) o/c. | plamensl | 14-09-2004 |
| Philips | CP90 | Does not function | Voltage +95 V not present
Check/replace TS 7677 (BUT 11 AF; 4822 130 42679),
check/replace TS 7673 (BC 547; 4822 130 44257) and TS 7674 (BC 328; 4822 130 44104) and replace D 6674 by BYD33J (4822 130 42606)
Check/replace TS7727 (BC556; | plamensl | 14-09-2004 |