| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | FL4.26 | Blank picture. OSD not synchronised and too large, no TXT. | Check/replace memory IC 7900 (ST24C08CB1; 4822 209 32283). | ||
| Philips | FL4.26 | Bad picture. Picture scrolls. No RC reaction. | +5V was 4,1V instead of 5,1V. Replace IC7551 (LM358N; 4822 209 70672) | ||
| Philips | FL4.26 | Bad pict. No menu. Dark bars over pict. Red pict. in dig.scan mode. | +5V was 4,3V instead of 5,1V. IC7551 (LM358N 4822 209 70672) defective. IC7209 (SAA7158 4822 209 31059) Bendic defective. | ||
| Philips | FL4.26 | Bad focus or focus varies in a new set or after CRT replacement | Possible solution: Short circuit the focus and the G2 pins of the picture tube with the aquadag coating. Switch the set on for approximately 5 seconds. After this return the set to its original condition. Check if the focus adjusted normally. If not repla | ||
| Philips | FL4.26 | "NVM write protection enabled" message on screen. | Startup problem or 'NVM write protection enabled' message on screen after replacement of NVM (ST24C08CB1; 4822 209 32283) with a ST24C08CB6 (4822 209 33113). Use as replacement the ST24C08 1 (9311 021 36682). | ||
| Philips | FL4.17 | Wrong synchronization, unstable colors | D6417 on the LSP dependent on temperature, check/replace (4822 130 81223) | ||
| Philips | FL4.17 | Wrong service batch of ST24C08CB1 memory IC's | Wrong service batch of ST24C08CB1 memory IC's 4822 209 32283 ------------------------------------------------------------ Temporarily a wrong batch of EAROM's has been delivered, causing the fault "NVM MEMORY NOT WRITE PROTECTED" after replacing the EAROM | ||
| Philips | FL4.17 | Unstable picture, horizontal jitter. | Check/replace R3405 on the LSP. (4822 051 10303 for 50 Hz sets; 4822 051 10333 for 100 Hz sets). | ||
| Philips | FL4.17 | Tuning does not function | Resistor R3240 on LSP in V-tuning wire broken. | ||
| Philips | FL4.17 | Total inoperative, leds blinking, error 99 | Check and replace if necessary C2504 and/or 2505 (2kV HRR) on the Large signal panel. Replace by a 3kV15 HR-R capacitor if possible: 820pF 4822 126 13152 1nF 4822 126 13153 1,2nF 4822 126 13154 1,5nF 4822 126 13155 1,8nF 4822 126 13156 2, | ||
| Philips | FL4.17 | Ticking noise and line in picture | Transistor 7381 (BC848C; 5322 130 42136) defective when hot. | ||
| Philips | FL4.17 | Synchronization, picture disappears | D6703 and T7704 defective on picture tube panel. | ||
| Philips | FL4.17 | 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) | ||
| Philips | FL4.17 | Supply +5V too low, black horizontal bar in picture. Bad sync. | Check/replace IC7551 (LM358N; 4822 209 70672) | ||
| Philips | FL4.17 | 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 |