| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | 2B | PSU tripping - stuck in standby. | EEPROM X2402 IC. - recode new IC 26 for Nicam , 18 for non-Nicam | ||
| Philips | 2B | Protection circuit active (set hiccups) | Remove connector M17, +140 V present Check C 2609 (8,2 nF; 4822 121 40249) | ||
| Philips | 2B | Poor reproduction of copy protected VHS tapes | Poor reproduction of copy protected VHS tapes --------------------------------------------- Some instances have occurred where VCR reproduction of copy protected VHS tapes has been adversely affected by the anti copy signals recorded in the sync period. I | ||
| Philips | 2B | Poor copy protected video tape PB. | Mod. | ||
| Philips | 2B | Poor and distorted sound; sound OK via SCART | Check/replace IC7102 (U2830B; 4822 209 73756) on stereo decoder (item 1100) | ||
| Philips | 2B | Picture brightness too high; Contrast not adjustable | Voltage pin 19 IC 7300 > 8 V Check/replace D 6490 (BAV 21; 4822 130 34189) | ||
| Philips | 2B | Picture and sound disappears sometimes | Check and replace IC 7830 (MAB8461P/W155; 4822 209 73465) See service information CT88-34 | ||
| Philips | 2B | Pic blanked out | 6 x 33Kohm resistors, 2 in series in each color circuit on theTube-board to be different. If just 1 of them different from the rest, the TDA goes in blanking and remains that way.....Replace them ALL! | ||
| Philips | 2B | Page header suppression | Page header suppression ----------------------- Since the BBC changed the CEEFAX format, receivers with fastext will display the page header continuously when the set is in subtitle mode (page 888). The problem is only observed on BBC recorded programmes | ||
| Philips | 2B | Only UHF tuning (option changed) | Replace IC 7925 by ST24C02CP (4822 209 62098) and connect a Zenerdiode BZX79/C5V6; 4822 130 34173) from both pin 5 and pin 6 of IC 7925 to earth (anodes to earth). Align the service option and picture adjustments. | ||
| Philips | 2B | No sound. OK via SCART | Check and replace if necessary C2179, 330uF/16V. | ||
| Philips | 2B | No sound, picture OK (Voltage on pin 5, 7 IC 7220 present) | Replace IC 7220 (TDA 1521Q/N2; 4822 209 73311). Also check soldering-points of SOPS-transformer (T5663) | ||
| Philips | 2B | No sound, picture OK (Sound OK via SCART) | Check IC 7103 (TDA 8405; 4822 209 70934) | ||
| Philips | 2B | No sound with reception of mono transmitters. | Check and replace if necessary IC7102 (U2830B; 4822 209 73756) on the stereo decoder | ||
| Philips | 2B | No reception of VHF-channels. | Check the option code of the tuner: press simultaneously the keys on the TV "store open" and "saturation+", then switch on the set. On the display you will see the option code and this can be changed with the "C/P+" or "C/P-" key. Store with the "store e |