| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | 3A | No NICAM sound | 7201 defective (4822 209 61114). | ||
| Philips | 3A | No 140 V | Remove audio output stage (PAS) U1003, +140 Volt is present. Replace IC7200, IC7210 (TDA1514/N4; 4822 209 70938). Also mount 2 diodes P4KE30C700 (4822 209 73095) in parallel to C2228 and C2229 (polarity is not important) | ||
| Philips | 3A | In VHF frequencies only noise. | Defective channel selector. | ||
| Philips | 3A | Hum on standby | Build in modification 4822 212 23273 (Mounting-instructions are included) | ||
| Philips | 3A | Goes into Standby/Protection | Check Transistor 7731 (BC566) for E/C short circuit (4822 130 40989). | ||
| Philips | 3A | Flashing on picture (flasher confirming a video output fault) | Solder dry joints on CRT base PWB, replace CRT base socket and clean CRT pins. | ||
| Philips | 3A | Entering service mode | Press mono button on front of set & sleep timer/print on R/c. 4 dashes appear, 1st 2 digits is parameter, 2nd 2 is value. | ||
| Philips | 3A | East/west defective. | Check D 6610 (BYW 95C; 4822 130 41602) | ||
| Philips | 3A | Does not function (Stand-by LED and Crispening LED blink both) | Replace C2618 (1,5 nF; 4822 126 12274) | ||
| Philips | 3A | Display jumps from channel to channel. | Flat cable of keyboard unit is defective. | ||
| Philips | 3A | Dead. | F1601 EW feed 315Ma o/c. | ||
| Philips | 3A | Dead or lines in the upper part of the screen. | Replace fuse 1642 (1 A) with 1,25 A (order code 4822 253 10075) in 33" sets that has NICAM and PIP. | ||
| Philips | 3A | Dead - HT only 35v | HT = 135v when lop stage dis'd - LOPTx faulty | ||
| Philips | 3A | Dead | Capacitor C2609 in line output stage. | ||
| Philips | 3A | Cushion distortion cannot be adjusted (East-West). | Check diode 6610 (4822 130 41602). |