Make | Model | Problem | Solution | Date |
| | | |
Found: 138
|
Philips | CP90 | 95 volt varying with contrast level. | Check/Replace D6665 - 1N4148 (4822 130 33939),
R3665 - 4.7 Ohm safety (4822 111 30499). | 14-09-04 |
Philips | CP90 | Audible hum in standby mode | A production change has been introduced increasing the value of C2661 from 33nF to 100nF (code no. 4822 121 41689). | 14-09-04 |
Philips | CP90 | Blank raster - no sound or response to R/C | No 11.5v at thyristor 6726 in st/by cct as D6733 BAV19 o/c | 14-09-04 |
Philips | CP90 | Blank raster after fitting new LOPTx | C2098 0µ47 or 1µ o/c | 14-09-04 |
Philips | CP90 | Brightness level change in A/V mode | It is possible that some video equipment will provide a CVBS signal slightly in excess of the 1 volt peak-to-peak level required. This will cause a change in brightness levels when switching between external A/V mode and an RF signal which some viewers m | 14-09-04 |
Philips | CP90 | Buzz in standby mode. | Ty6726 thyristor. | 14-09-04 |
Philips | CP90 | Buzz on sound. | 6Mhz ceramic filter kit P No 4822 310 27563. | 14-09-04 |
Philips | CP90 | Changing tuner. | Mod type see Tv Mag. | 14-09-04 |
Philips | CP90 | CHANNEL DISPLAY SHOWS 3 THEN F1 | D6695 OC F1690 400Ma OC | 14-09-04 |
Philips | CP90 | Continuous page header display in subtitle | Change text IC to type MAB8461P/W196 part No4822 209 62479 | 14-09-04 |
|
Philips | CP90 | Contrast - low. | No volts on pin 7 of LOPTX C2495 ( 33nf ) s/c. | 14-09-04 |
Philips | CP90 | Contrast weak | R3944 5k preset broken | 14-09-04 |
Philips | CP90 | Control micro processors | A production change has been introduced adding a shield to the control micro processor to prevent the processor being influenced by external fields. Replacements will be supplied as a kit comprising the processor, shield and fitting instruction.
The sh | 14-09-04 |
Philips | CP90 | Dark pic - volts at contrast pin col dec chip low | C2495 33nF in beam lim cct | 14-09-04 |
Philips | CP90 | DARK PICTURE | C2495 33nF | 14-09-04 |
Philips | CP90 | Dead | Check C2679 ( 1nF ) D6679 replace with ( BYD33 ) C2695 ( 2.2nF ) R3623 ( 8R2 ) D6667 ( IN4148 ) | 14-09-04 |
Philips | CP90 | Dead | Check D6609 & D6610 Tr7702 | 14-09-04 |
Philips | CP90 | Dead | s/c across lop - loptx faulty - quite common | 14-09-04 |
Philips | CP90 | Dead | T7677 o/c collector | 14-09-04 |
Philips | CP90 | Dead | D6665 1N4148 leaky | 14-09-04 |
Philips | CP90 | Dead | 2 x 330µ caps in psu sec | 14-09-04 |
Philips | CP90 | Dead - no display, HT present | C2691 330µ 25v (19v res cap) | 14-09-04 |
Philips | CP90 | Dead - no o/p from psu | s/c across 95v line - C2695 2n2 in parallel with D6695 BYW95B s/c, F1690 400mA Wickman fuse o/c | 14-09-04 |
Philips | CP90 | Dead - overvolts prot operating | 3668 15R sm resistor o/c | 14-09-04 |
Philips | CP90 | Dead - Pri HT ok | dry joints chopper tr coll | 14-09-04 |
Philips | CP90 | Dead - st/by only - HT half its normal value | R3623 8R2 hi res, D6667 1N4148 o/c | 14-09-04 |
Philips | CP90 | Dead - went off with a flash | Dry joints chopper tr 7677, s/c mains rect 6657 BYD14J, o/c 2A fuse | 14-09-04 |
Philips | CP90 | Dead - whistling - over volts prot firing | HT above normal 95v - Tr7701 BC548 in error amp cct s/c | 14-09-04 |
Philips | CP90 | DEAD , NO STBY LED OR CHAN IND , CHECK FOR OSC AT PI | C2934 - 2935 ( BOTH 27 pf ) | 14-09-04 |
Philips | CP90 | Dead but ok on dummy load with ht at 95v | C2703 330µ 25v leaky | 14-09-04 |