| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | FL1.10 28CL6770/25Z | Dead - LOPTr s/c | Dry joints scan coil connector - can run psu on dummy load by removing L5511 & disable prot by s/c base/emitter of sm Tr 7384 | ||
| Philips | FL1.10 28CL6770/252 | St/by only | LOPTr s/c due to dry joints scan coil plug or R3347 in psu risen from 75k to 100k (in set HT network) | ||
| Philips | FL1.10 28CL6770 | Dead - LOPTr s/c | Check for dry joints at scan coil plug | ||
| Philips | FL1.10 28CL677/257 | St/by only | LOPTr BU508AF s/c due to dry joints scan coil plug | ||
| Philips | FL1.10 | Wrong synchronization, unstable colors | D6417 on the LSP dependent on temperature, check/replace (4822 130 81223) | ||
| Philips | FL1.10 | 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 | FL1.10 | Various faults can be observed. | Check the earth connection from the SSP: connect earth tuner with earth line output transformer (LSP) to find-out whether the problem is solved. Check connectors L02 and S02 pins 1,2 (sometimes only 7 wires are used in the connector) | ||
| Philips | FL1.10 | 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 | FL1.10 | Tuning does not function | Resistor R3240 on LSP in V-tuning wire broken. | ||
| Philips | FL1.10 | Totally inoperative. Only red LED on. | Check line driver transformer L5503 on LSP (4822 142 40328). | ||
| Philips | FL1.10 | Totally inoperative. | Transistors 7250 (BUX85F; 4822 130 62509) and 7251 (BC848; 4822 130 61207) in microSOPS defective. Or D6251 (LLZ-C5V6; 4822 130 80954) and R1250 (=R3230; 1 Ohm; 4822 052 10108) defective. Or T7270 (BD825; 4822 130 41746) Or T7201 (BC857C; 5322 130 427 | ||
| Philips | FL1.10 | 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 | FL1.10 | Synchronization, picture disappears | D6703 and T7704 defective on picture tube panel. | ||
| Philips | FL1.10 | 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 D6266 for leackage (BZX79/F6V8; 4822 130 34278) or check T7268 for leackage (BD943F; 4822 130 62742). The 5.5V is meas | ||
| Philips | FL1.10 | Supply +5V too low, black horizontal bar in picture. Bad sync. | Check/replace IC7551 (LM358N; 4822 209 70672) |