| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
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| 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 | 14-09-04 |
| 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 | 14-09-04 |
| 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 | 14-09-04 |
| 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 | 14-09-04 |
| Philips | GR2.3 | No function. Dead. | Replace several parts by the mains supply repair kit SOPS 4822 212 30983 | 14-09-04 |
| Philips | GR2.3 | No picture, no sound | Check soldering of T7401 (SMD) on the comb filter. | 14-09-04 |
| Philips | GR2.3 | No TXT. | Check IC7800 (SAA5246; 4822 209 32642) in combination with 27 Mc X-tal (X1800; 4822 242 81191) | 14-09-04 |
| 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. | 14-09-04 |
| Philips | GR2.3 | Pumping picture. | Add pumping modification
| 14-09-04 |
| 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 | 14-09-04 |
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| Philips | GR2.3 | Y-signal was floating, unstable. | Y-signal not clamped. Check diode D6420 (LL4148)
| 14-09-04 |
| 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 | 14-09-04 |
| Philips | GR2.4 | A small E/W fault can be observed.(about 4mm) | Modify E/W circuit C2526 (10nF; 4822 121 41857)
R3527 (68K; 4822 050 26803)
R3533 (10K; 4822 051 10103) and
R3467 (1M8; 4822 053 20185) | 14-09-04 |
| Philips | GR2.4 | After a while rattle from metal plates in plastic ring deflection | Deflection yoke made quiet by use off nail-lacquer on metal plates in yellow ring. | 14-09-04 |
| Philips | GR2.4 | Bad starting up of the set in cold conditions | Replace R3610 on the chassis by 2R2 code number 4822 052 10228 | 14-09-04 |
| Philips | GR2.4 | Bad vertical deflection | Check and replace if necessary: Transistor T7502; 4822 130 60775
Resistor R3503; 1.2 Ohm; 4822 052 10128 4.7 Ohm; 4822 052 10478
Resistor R3501; 22 Ohm; 4822 051 10229 27 Ohm; 4822 051 10279 | 14-09-04 |
| Philips | GR2.4 | Black bars on screen of television using CDI player with volume high | Replace R3893, on the Euromodule 2, by 1K2 with code number 4822 116 52207
REMARKS : introduced in production from week 9604 onwards | 14-09-04 |
| Philips | GR2.4 | Codenumber correction | Codenumber correction In GR2.4 partslist pos. number 1002 code number must be 4822 212 31458 In GR2.4 partslist pos.3601 (P.T.C) code number must be 4822 116 40263 in stead of 4822 116 41211 (P.T.C/N.T.C)
These code numbers are on the mains filter module | 14-09-04 |
| Philips | GR2.4 | Codenumber Information MANUAL GR2.4 AA | Codenumber Information MANUAL GR2.4 AA Items 1007 (SOPS control modules) have an incorrect description.
The descriptions should be:
ITEM SERVICE CODE NUMBER
1007 4822 212 31669 SOPS control module 110 degrees
1007 4822 212 31715 | 14-09-04 |
| Philips | GR2.4 | Contrast of picture is reduced after leaving Teletext | Replace microprocessor IC7708. Replacement overview: G24W1COR_3.1 (3155) -> replaced by G24W1COR_3.2 (3208) 4822 209 90336
G24W2COR_3.1 (3157) -> replaced by G24W2COR_3.2 (3209) 4822 209 90337
G24N1COR_3.1 (3156) -> replaced by G24N1COR_3.2 (3207) 4822 | 14-09-04 |
| Philips | GR2.4 | Corrections on service manual | Corrections on service manual page 28 chapter 7:
1.1 voltage over C2631 must be 143 Volt ( instead of 148 Volt)
1.3 Vg2 alignment:voltage must be 135 Volt (instead of 130 Volt)
1.13 White balance: the value for the black line sets is 43 (instead of 35 | 14-09-04 |
| Philips | GR2.4 | Cracking sound right channel on spoken word with much deviation. | Replace X1101 ceramic filter 7.47Mhz (4822 242 70485). | 14-09-04 |
| Philips | GR2.4 | Curtain effect in the left side of the picture | Add 6N8F 50V capacitor parallel to item 5588. Service code number is 5322 122 31866.
Add 3N3F 500V between pin 5 of the LOT and ground. Service code number is 4822 126 13599.
Add 33nF 50V on position 2588. Service code number is 4822 122 33342.
Also ch | 14-09-04 |
| Philips | GR2.4 | Curtain effect on left side of picture. +14 V on cathode D6450 | Check R3553 560ohm. (4822 052 10561)
| 14-09-04 |
| Philips | GR2.4 | Dead with ticking | LOPTr BU2508 s/c, dis psu prot pin revealed E/W fault; fuse prot 1534 o/c - replacing this cured fault | 14-09-04 |
| Philips | GR2.4 | Dead, Short on the +148V rail from the Power Supply | Checks around the Line O/P Transformer showed that Pin 1 of the transformer was short circuit to the Core. | 14-09-04 |
| Philips | GR2.4 | Deprogramming of EEPROM / Memory loss | Replace C2456 by a 100uF capacitor (service code numer is 4822 124 81029). | 14-09-04 |
| Philips | GR2.4 | E/W Distortion. | The cause of this fault was C2302 on the small sub board on the TeleText P.C.B. | 14-09-04 |
| Philips | GR2.4 | Error in Product Survey 1995-4 (4822 727 20893) | Error in Product Survey 1995-4 (4822 727 20893 The code number of position 2a (4822 458 50564) of styling 90 is not correct The correct code number is 4822 458 10475. | 14-09-04 |
| Philips | GR2.4 | E-W faulty | e-w tr 7533 BD440 on crt base & 7530 BC846 sm tr next to it & check C2550 680n 250v | 14-09-04 |