| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | GR2.4 | 1cm thick horizontal bars in top 10 cm of picture | Replace item C2314 and C2325 on the mono carrier C2314 should become 100nF (5322 121 42386) C2325 should become 47pF (4822 122 31772) REMARKS : These symptoms only occur with playback of Macrovision protected video tapes on JVC (made) VCRs. Only Pal/Seca | ||
| Philips | GR2.3 | Y-signal was floating, unstable. | Y-signal not clamped. Check diode D6420 (LL4148) | ||
| Philips | GR2.3 | White band at the left of the picture in band 3 | Mount 22 pF (5322 122 32143) between pin 4 and 8 of connector E17 on scart module (1006). Mount this component very high. REMARKS : introduced in production in week 9440 onwards | ||
| Philips | GR2.3 | Pumping picture. | Add pumping modification | ||
| Philips | GR2.3 | Protection circuit working from time to time | Diode 6592 (LL2C30; 4822 130 80928) leaks. Voltage to protection circuit was ca. 400 mV, it should be 28...23 mV. | ||
| Philips | GR2.3 | No TXT. | Check IC7800 (SAA5246; 4822 209 32642) in combination with 27 Mc X-tal (X1800; 4822 242 81191) | ||
| Philips | GR2.3 | No picture, no sound | Check soldering of T7401 (SMD) on the comb filter. | ||
| Philips | GR2.3 | No function. Dead. | Replace several parts by the mains supply repair kit SOPS 4822 212 30983 | ||
| Philips | GR2.3 | List of the microprocessors used in GR2.3 | List of the microprocessors used in GR2.3 DEV. CODE: 3WELO-1.9 SUPPLY CODE: U281 DESCRIPTION: STEREO English CRYSTAL: 6.00 SERVICE CODE: 4822 209 33047 | ||
| Philips | GR2.3 | List of the microprocessors used in GR2.3 | List of the microprocessors used in GR2.3 DEV. CODE: 3P169-1.4 SUPPLY CODE: U284 DESCRIPTION: 16/9 CRYSTAL: 6.00 SERVICE CODE: 4822 209 33149 | ||
| Philips | GR2.3 | List of the microprocessors used in GR2.3 | List of the microprocessors used in GR2.3 DEV. CODE: 3TXT SUPPLY CODE: FBP/084 DESCRIPTION: (Eng,Fin,Dan,Swe,Nor,Spa) CRYSTAL: 6.00 SERVICE CODE: 4822 209 52587 | ||
| Philips | GR2.3 | List of the microprocessors used in GR2.3 | List of the microprocessors used in GR2.3 DEV. CODE: 3TXT SUPPLY CODE: FBP/083 DESCRIPTION: (Eng,Ger,Fr,It,Du,Port) CRYSTAL: 6.00 SERVICE CODE: 4822 209 52586 | ||
| Philips | GR2.3 | Horizontal lines in the top of the picture on white or blue picture | Replace sops transformator pos.nr. 5625 by 4822 148 81348 REMARKS : introduced in production from week 9444 onwards | ||
| Philips | GR2.3 | Horizontal centering not OK (16x9 sets) | Replace on TXT-panel R3501 by 180 KOhm (4822 051 10184), R3502 by 39 KOhm (4822 051 10393), R3518 by 12 KOhm (4822 051 10123). Only for TXT-panel (4822 212 30991): West-Europe sets change R3557 by 6,8 KOhm (4822 051 66820) | ||
| Philips | GR2.3 | Geometry not correct (trapezium) | Replace 2522 on CRT module by 560nF (4822 121 51412) |