| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | FL4.27 | Sometimes vibration in vertical direction. | Replace C2410 (150nF 5%; 4822 121 41854) on LSP. | ||
| Philips | FL4.27 | Sometimes in protection, or hor. width varies | Check or resolder on LSP the pins of E/W bridge coil 5521. | ||
| Philips | FL4.27 | Shuts off and on again on Pr.nr. 1 after 3 hours. | D6272 (BZX55B5V6) interruption when it becomes hot. | ||
| 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) | ||
| 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". | ||
| 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. | ||
| 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. | ||
| 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). | ||
| Philips | FL4.27 | PIP picture not in order. | Check R3345 (4822 111 41424) in PIP unit, check IC7755 (4822 209 63423). | ||
| 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). | ||
| 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) | ||
| Philips | FL4.27 | Picture often dark | Check IC7201 in High End-box (SAA9042P/A; 4822 209 31851) | ||
| 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. | ||
| 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). | ||
| 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 |