| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | GR2.4 | Field - lack of height | Tr7546 BC848 sm | 14-09-04 |
| Philips | GR2.4 | field lin - lack of height | R3503 4R7 o/c | 14-09-04 |
| Philips | GR2.4 | Flickering colours. | Check and replace if necessary IC7306 (TDA4657/V2; 4822 209 33671).
| 14-09-04 |
| Philips | GR2.4 | Flickering picture, stripes | Remount EHT cable.
| 14-09-04 |
| Philips | GR2.4 | Frame instable, amplitude varies. | Check connectors between frame output stage and deflection yoke. If scanning module (1009) present, pay special attention to connectors S12 and S13 on this module. | 14-09-04 |
| Philips | GR2.4 | In TXT mode vert. lines are bended. Fly-back lines in ext. mode. | Readjust VG2 Voltage; must be 130-145V
| 14-09-04 |
| Philips | GR2.4 | List of the microprocessors used in GR2.4 | List of the microprocessors used in GR2.4 DEV. CODE: 4WECOR-2.2 SUPPLY CODE: OTP
DESCRIPTION: STEREO (Eng,Ger,Fre,Ita,Dut,Por,Spa) CRYSTAL: 8.00 SERVICE CODE: 4822 209 33918 | 14-09-04 |
| Philips | GR2.4 | List of the microprocessors used in GR2.4 | List of the microprocessors used in GR2.4 DEV. CODE: 4EECOR-1.2 SUPPLY CODE: OTP
DESCRIPTION: STEREO (Eng,Ger,Fre,Hun,Czec,Rus,Pol) CRYSTAL: 8.00 SERVICE CODE: 4822 209 52643 | 14-09-04 |
| Philips | GR2.4 | List of the microprocessors used in GR2.4 | List of the microprocessors used in GR2.4 DEV. CODE: 4WECOR-2.0 SUPPLY CODE: OTP
DESCRIPTION: STEREO (Eng,Fin,Dan,Swe,Nor,Spa) CRYSTAL: 8.00 REPLACEMENT: 4822 209 33827 | 14-09-04 |
| Philips | GR2.4 | List of the microprocessors used in GR2.4 | List of the microprocessors used in GR2.4 DEV. CODE: 4WECOR-1.2 SUPPLY CODE: OTP
DESCRIPTION: STEREO (Eng,Ger,Fre,Ita,Dut,Por,Spa) CRYSTAL: 8.00 SERVICE CODE: 4822 209 33918 | 14-09-04 |
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| Philips | GR2.4 | List of the microprocessors used in GR2.4 | List of the microprocessors used in GR2.4 DEV. CODE: 4NECOR-1.2 SUPPLY CODE: OTP
DESCRIPTION: STEREO (Eng,Fin,Dan,Swe,Nor,Spa) CRYSTAL: 8.00 SERVICE CODE: 4822 209 33827 | 14-09-04 |
| Philips | GR2.4 | List of the microprocessors used in GR2.4 | List of the microprocessors used in GR2.4 DEV. CODE: 4WECOR-2.0 SUPPLY CODE: OTP
DESCRIPTION: STEREO (Eng,Ger,Fre,Ita,Dut,Por,Spa
CRYSTAL: 8.00 REPLACEMENT: 4822 209 33918 | 14-09-04 |
| Philips | GR2.4 | List of the microprocessors used in GR2.4 | List of the microprocessors used in GR2.4 DEV. CODE: 4WECOR-2.2 SUPPLY CODE: OTP
DESCRIPTION: STEREO (Eng,Fin,Dan,Swe,Nor,Spa) CRYSTAL: 8.00 SERVICE CODE: 4822 209 33827 | 14-09-04 |
| Philips | GR2.4 | Low contrast on teletext | Replace the following items:
Items 3347, 3348 and 3349 should be 820ohm resistors (4822 116 52231)
Items 3766, 3767 and 3769 should be 5K6ohm resistors (4822 116 52289) | 14-09-04 |
| Philips | GR2.4 | Motorboating sound in St.By. Supply: "on"=143.6V, "St.By"=78V | Replace IC7240 (TDA1521; 4822 209 73853) | 14-09-04 |
| Philips | GR2.4 | no contrast or red in txt | IC7309 pin 2 volts low (2v) . C2358 22n leaky | 14-09-04 |
| Philips | GR2.4 | No E/W correction. | Check transistor T7530 E/W circuit (5322 130 60159) | 14-09-04 |
| Philips | GR2.4 | No LED on, SOPS transistor is not switching. | Start-up C2620 68nF defective (5322 121 42465). | 14-09-04 |
| Philips | GR2.4 | No pic aft loptx replacement - HT volts rises & falls | C2549 leaky, fuse ref 1534 feed from e-w cct (does not look like a fuse) | 14-09-04 |
| Philips | GR2.4 | No picture, no sound; OSD OK; volume not adjustable | Check and replace if necessary Item D6563; BYD74C; 4822 130 80915 and item F1559; fuse 1A 65V; 4822 252 51173 | 14-09-04 |
| Philips | GR2.4 | No raster - EHT & sound present | A1 volts low - check for line collapse with lights off - dry joints scan coils | 14-09-04 |
| Philips | GR2.4 | No TXT on a non-interlaced picture. | Replace software G24WECOR1.2 by GR24WECOR2.2
See Service Information GR2.X (94.04) | 14-09-04 |
| Philips | GR2.4 | Noise in left Loudspeaker at low volume | Delete on the IF-module the following items: 2235, 3211 and 7201.
Connect the + of C2216 to jumper 9201 (on the IF-module).
Inverse the Loudspeaker connection.
REMARKS : This solution does NOT work on sets with a subwoofer. | 14-09-04 |
| Philips | GR2.4 | Only St.By led on. No start up voltage on sync. IC | Check uP IC7708 (pin17 low).
| 14-09-04 |
| Philips | GR2.4 | PLL-circuit IF-ECO version has problems with some antenna signals | PLL circuit IF-ECO module modified.
C2004=220 nF (4822 122 32927)
R3002=470 Ohm (4822 051 20471)
C2007=removed. | 14-09-04 |
| Philips | GR2.4 | Radio interference audible in center and rear loudspeakers | Add 10 nF capacitor(4822 121 41857) between the following points: point 2/3 of IC7270 and solder the other connection of the capacitor to the track coming from point 5 of connector S84. All these items are located on the Dolby interface module.(see servic | 14-09-04 |
| Philips | GR2.4 | Red picture with fly-back lines after ticking on the neck of CRT | Picture tube (A51EAL65x00) defective.
| 14-09-04 |
| Philips | GR2.4 | Set inoperative. Supply in overload protection. | Replace LOT L5545 because of shortcircuit
4822 140 10499 for 21" 90 degrees
4822 140 10501 for 25"/28" | 14-09-04 |
| Philips | GR2.4 | Set inoperative; Squeaking tone from backside TV. LOT defective. | Replace LOT (pos 5545) and line transistor T7545. Check R3570. | 14-09-04 |
| Philips | GR2.4 | Set totally inoperative | Check C2549 470nF/400V (4822 121 42074). | 14-09-04 |