| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | FL2.16 | Picture disappears (fly back lines), ON STEREO and DUAL LEDs blink | Check IC7430 (TDA4680). When TDA4680 is too hot there is no picture
(4822 209 31592).
| 14-09-04 |
| Philips | FL2.16 | Picture disappears for 10-15 minutes and comes back again | Check transistor T7704 (BC856B) (4822 130 60373) on CRT panel
| 14-09-04 |
| Philips | FL2.16 | Picture disappears shortly after 30" or control does not function. | When hot, 13,5 MHz clock stops working; change the value of R3123
to 1k2.
| 14-09-04 |
| Philips | FL2.16 | Picture gives black horizontal stripes, also on RGB | IC72027 SDA9205-2 LFR box defective (4822 209 31056). | 14-09-04 |
| Philips | FL2.16 | Picture often dark | Check IC7201 in High End-box (SAA9042P/A; 4822 209 31851)
| 14-09-04 |
| Philips | FL2.16 | Picture OK after some time | IC7207 (SDA9205-2; 4822 209 31056) defective when set is cold.
| 14-09-04 |
| Philips | FL2.16 | Picture twists from top | Voltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca. 20 V.
Check diode 6451 (BZX79/C3V6; 5322 130 34834 or
BZX79/C10; 4822 130 61219)
| 14-09-04 |
| Philips | FL2.16 | Picture twists from top | Voltage of pin 8-IC7450 (TDA3654Q) on the LSP has raised to ca.
20 V. Check diode 6451 (BZX79/C5V6; 4822 130 80954).
| 14-09-04 |
| Philips | FL2.16 | Picture very noisy. | Check tuner FQ 916 ME/BL.
| 14-09-04 |
| Philips | FL2.16 | PIP picture not in order. | Check R3345 (4822 111 41424) in PIP unit, check IC7755
(4822 209 63423).
| 14-09-04 |
|
|
| Philips | FL2.16 | Poor colors, no light in picture | Check IC7207 (SDA9205; 4822 209 31056).
| 14-09-04 |
| Philips | FL2.16 | Protection activated due to no +5V from LOT. | Check IC7551, LM 358N (4822 209 71825). If IC7551 has to be
replaced, it is recommended:
1) for production code AG00-09 add diode BZX79-C18 (4822 130 31024)
between 9240 and pin 8 of position 7551, with cathode to pin 8
of IC7551.
2) for production | 14-09-04 |
| Philips | FL2.16 | Range of picture height adjustment too small. | To increase the range of the picture height adjustment change the
following components on the Large Signal Panel:
- Change position 3422 from 1M3 into 1M2 (4822 116 81223).
- Change position 3423 from 1M1 into 820k (4822 116 52305).
| 14-09-04 |
| Philips | FL2.16 | Red/green/bleu flyback-lines in upperside of the picture. | Check whether voltage frame flyback (pin 5 IC7450) is O.K.
If voltage is too low: replace D6451.
| 14-09-04 |
| Philips | FL2.16 | Repair information | Repair information
------------------
In case of one of the line transistors T7504 or T7506 is defective,
it is necessary to replace both transistors.
Order number 4822 130 62934 (2x ON4673).
| 14-09-04 |
| Philips | FL2.16 | Repeated light-up of the standby-led after switching-off from standby. | Change the following positions on the LSP:
Position 3250 from 47 ohm into 62 ohm (4822 116 52198)
Position 6251 from LLZ-C5V6 into LLZ-C7V5 (4822 130 80906)
REMARKS :Introduced in production in week 9418. | 14-09-04 |
| Philips | FL2.16 | Set can only be operated with Remote Control | Check whether "Child Lock" is disabled. To check this, see
"Frequently Asked Questions", "How to disable Child Lock".
| 14-09-04 |
| Philips | FL2.16 | Set inoperative only red or green LED. Supply was 141V but no EHT. | Line drive puls for T7506 (2SC4288A) too low.
L5503 defective (Line drive coil; 4822 157 63252)
| 14-09-04 |
| Philips | FL2.16 | Set sometimes goes in STAND-BY and immediately switches ON again. | Replace position IC7120 on LFR box (PCF83C652P/AB/043) by
P83C652FFP/50 V34D (4822 209 33289).
REMARKS :
Introduced in production in week 9337.
| 14-09-04 |
| Philips | FL2.16 | Set total inoperative only red LED on. | After switching on, only a few pulses from sync IC7400
(TDA2579B N2S1) on LSP IC defective (4822 209 30402)
| 14-09-04 |
| Philips | FL2.16 | Set totally inoperative | LOT (L5555; 4822 140 10443) defective
| 14-09-04 |
| Philips | FL2.16 | Set totally inoperative only red LED | +14 is 11.1V instead of 14.1V.
+5 is 2.5V instead of 5.4V.
D6551(LLZ/C5V6) on LSP leakage (4822 130 80954)
| 14-09-04 |
| Philips | FL2.16 | Set totally inoperative, no LEDs on. | Micro-sops R3249 (220k; 4822 116 52258) interrupted
| 14-09-04 |
| Philips | FL2.16 | Set totally inoperative, no LEDs on. Supply hums. | R3252 220 kOhm (Start-up micro-sops) defective (4822 116 52258).
| 14-09-04 |
| Philips | FL2.16 | Set totally inoperative, only red LED on. | IC7001 (TDA1521QW4; 4822 209 73311) and IC7009 (LM883N;
4822 209 83163) on LSP defective
| 14-09-04 |
| Philips | FL2.16 | Shuts off and on again on Pr.nr. 1 after 3 hours. | D6272 (BZX55B5V6) interruption when it becomes hot.
| 14-09-04 |
| Philips | FL2.16 | Sometimes green picture and flyback lines. Sometimes no green. | Check soldering joints of IC7430 (TDA4680) e.g. pin 22.
| 14-09-04 |
| Philips | FL2.16 | Sometimes in protection, or hor. width varies | Check or resolder on LSP the pins of E/W bridge coil 5521.
| 14-09-04 |
| Philips | FL2.16 | Sometimes no TXT programme on screen. Wrong clock characters. | Check C2046 (10uF; 4822 124 40435).
| 14-09-04 |
| Philips | FL2.16 | Sometimes vibration in vertical direction. | Replace C2410 (150nF 5%; 4822 121 41854) on LSP.
| 14-09-04 |