| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | FL4.27 | In default mode ERR.99, blinking leds. No +5.4V on pin 8 L02 | IC7551 LM358N defective +5/13V, replaced. (4822 209 70672)
Cause: bridge 9240 interrupted.
| 14-09-04 |
| Philips | FL4.27 | Jitter | In PIP unit change the value of R3336 to 4k7.
| 14-09-04 |
| Philips | FL4.27 | Low Brightness TXT and OSD, Picture OK | If this condition occurs, check the Option Codes.
Resetting the Option Code numbers as per the Service Manual provided
the cure.
| 14-09-04 |
| Philips | FL4.27 | Low frequency hum from subwoofer, buzz from right hand squeeter. | Check DC level on pin 1 and 9 of IC7011 (TDA1521).
If not correct, replace (4822 209 63913).
| 14-09-04 |
| Philips | FL4.27 | Modification | Modification
------------
On Scavem amplifier panel 4822 212 31259 position 2671 and 2672 are
changed from 680pF into 330pF (5322 122 31842).
This modification is introduced from start production onwards.
| 14-09-04 |
| Philips | FL4.27 | No colors in TV mode | Check IC7365 (TDA4650) on the SSP (4822 209 30837)
| 14-09-04 |
| Philips | FL4.27 | No sound, "ON, Standby, I" LEDs blinking | 10MHz crystal 1602 on the SSP defective, 4822 242 80276
| 14-09-04 |
| Philips | FL4.27 | Noise on high volume | Perform the following modifications on the SSP:
Add on position 3618 4,7nF (4822 122 31784)
Add on position 3619 jumper (4822 051 10008)
Connected in series from 2604/4610 to earth.
Change position 4610 into 1k ohm (4822 051 10102) | 14-09-04 |
| Philips | FL4.27 | OSD, TXT, sound, colours OK, no Y signal. | C2396 (22nF) leakage (4822 126 11544)
| 14-09-04 |
| Philips | FL4.27 | Overview of doors for FL4 styling | Overview of doors for FL4 styling
---------------------------------
4822 432 93229 Door for 29" FL4.17/FL4.27
4822 432 93393 Door for 29" 4GFL2.20E AA
4822 432 93312 Door for 29" FL4.16/FL4.26
4822 432 93382 Door for 29" GFL2.20E AB
4822 432 93271 Do | 14-09-04 |
|
|
| Philips | FL4.27 | Overview of SOPS repair kits | Overview of SOPS repair kits
----------------------------
FL1.0 AG00 upto AG03 4822 310 20492
FL1.0 AG04 and higher 4822 310 31921
FL1.0S 4822 310 31924
FL1.1 25" and 28" 4822 310 31919
FL1.1 33" 4822 310 31932
FL1.1S | 14-09-04 |
| Philips | FL4.27 | 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 | FL4.27 | 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 | FL4.27 | Picture often dark | Check IC7201 in High End-box (SAA9042P/A; 4822 209 31851)
| 14-09-04 |
| Philips | FL4.27 | 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 | FL4.27 | 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 | FL4.27 | PIP picture not in order. | Check R3345 (4822 111 41424) in PIP unit, check IC7755
(4822 209 63423).
| 14-09-04 |
| Philips | FL4.27 | 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 | FL4.27 | 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 | FL4.27 | Service mode entering | 2 sets of 3 pins in triangular formation on lh panel
sw on & briefly s/c middle & rh pins of rh triangle. Follow menus & make nec adj. Then, while s/c 2 outer pins of lh set of triangles, follow "STORE" instructs. Note this 2nd part removes legend "NVM write protected" & allows changes to be memorised. | 14-09-04 |
| Philips | FL4.27 | 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 | FL4.27 | 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 | FL4.27 | Shuts off and on again on Pr.nr. 1 after 3 hours. | D6272 (BZX55B5V6) interruption when it becomes hot.
| 14-09-04 |
| Philips | FL4.27 | Sometimes in protection, or hor. width varies | Check or resolder on LSP the pins of E/W bridge coil 5521.
| 14-09-04 |
| Philips | FL4.27 | Sometimes vibration in vertical direction. | Replace C2410 (150nF 5%; 4822 121 41854) on LSP.
| 14-09-04 |
| Philips | FL4.27 | Spook in picture | Use special antenna cables.
Codenumbers:
4822 321 61224 PAL 1 meter
4822 321 61225 PAL 2 meter
4822 321 61226 SECAM 1 meter
4822 321 61227 SECAM 2 meter
| 14-09-04 |
| Philips | FL4.27 | Supply +5V too low, black horizontal bar in picture. Bad sync. | Check/replace IC7551 (LM358N; 4822 209 70672)
| 14-09-04 |
| Philips | FL4.27 | Supply switch-off sometimes | Check the +5 stand-by. This voltage has to be 5.5V and may not vary.
When the voltage drops below 5.2V the set switches-off.
Cure: check leakage of D6266 (BZX79/F6V8; 4822 130 34278)
| 14-09-04 |
| Philips | FL4.27 | Synchronization, picture disappears | D6703 and T7704 defective on picture tube panel.
| 14-09-04 |
| Philips | FL4.27 | Ticking noise and line in picture | Transistor 7381 (BC848C; 5322 130 42136) defective when hot.
| 14-09-04 |