datasheet,schematic,electronic components, service manual,repairs,tv,monitor,service menu,pcb design
Schematics 4 Free
Service manuals, schematics, documentation, programs, electronics, hobby ....


registersend pass
Bulgarian - schematics repairs service manuals SearchBrowseUploadWanted

DatasheetsChassis2modelRepair tipsFulltext searchCables & Connectors
Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 4551
PhilipsGR2.3List of the microprocessors used in GR2.3List 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 5258614-09-04
PhilipsGR2.3List of the microprocessors used in GR2.3List 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 5258714-09-04

PhilipsGR2.3List of the microprocessors used in GR2.3List 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 3314914-09-04
PhilipsGR2.3List of the microprocessors used in GR2.3List 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 3304714-09-04
PhilipsGR2.3No function. Dead.Replace several parts by the mains supply repair kit SOPS 4822 212 3098314-09-04
PhilipsGR2.3No picture, no soundCheck soldering of T7401 (SMD) on the comb filter.14-09-04
PhilipsGR2.3No TXT.Check IC7800 (SAA5246; 4822 209 32642) in combination with 27 Mc X-tal (X1800; 4822 242 81191)14-09-04
PhilipsGR2.3Protection circuit working from time to timeDiode 6592 (LL2C30; 4822 130 80928) leaks. Voltage to protection circuit was ca. 400 mV, it should be 28...23 mV.14-09-04
PhilipsGR2.3Pumping picture.Add pumping modification 14-09-04
PhilipsGR2.3White band at the left of the picture in band 3Mount 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 onwards14-09-04
PhilipsGR2.3Y-signal was floating, unstable.Y-signal not clamped. Check diode D6420 (LL4148) 14-09-04
PhilipsGR2.41cm thick horizontal bars in top 10 cm of pictureReplace 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/Seca14-09-04
PhilipsGR2.4A 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
PhilipsGR2.4After a while rattle from metal plates in plastic ring deflectionDeflection yoke made quiet by use off nail-lacquer on metal plates in yellow ring.14-09-04
PhilipsGR2.4Bad starting up of the set in cold conditionsReplace R3610 on the chassis by 2R2 code number 4822 052 1022814-09-04
PhilipsGR2.4Bad vertical deflectionCheck 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 1027914-09-04
PhilipsGR2.4Black bars on screen of television using CDI player with volume highReplace R3893, on the Euromodule 2, by 1K2 with code number 4822 116 52207 REMARKS : introduced in production from week 9604 onwards14-09-04
PhilipsGR2.4Codenumber correctionCodenumber 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 module14-09-04
PhilipsGR2.4Codenumber Information MANUAL GR2.4 AACodenumber 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
PhilipsGR2.4Contrast of picture is reduced after leaving TeletextReplace 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) 482214-09-04
PhilipsGR2.4Corrections on service manualCorrections 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 3514-09-04
PhilipsGR2.4Cracking sound right channel on spoken word with much deviation.Replace X1101 ceramic filter 7.47Mhz (4822 242 70485).14-09-04

PhilipsGR2.4Curtain effect in the left side of the pictureAdd 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 ch14-09-04
PhilipsGR2.4Curtain effect on left side of picture. +14 V on cathode D6450Check R3553 560ohm. (4822 052 10561) 14-09-04
PhilipsGR2.4Dead with tickingLOPTr BU2508 s/c, dis psu prot pin revealed E/W fault; fuse prot 1534 o/c - replacing this cured fault14-09-04
PhilipsGR2.4Dead, Short on the +148V rail from the Power SupplyChecks around the Line O/P Transformer showed that Pin 1 of the transformer was short circuit to the Core.14-09-04
PhilipsGR2.4Deprogramming of EEPROM / Memory lossReplace C2456 by a 100uF capacitor (service code numer is 4822 124 81029).14-09-04
PhilipsGR2.4E/W Distortion.The cause of this fault was C2302 on the small sub board on the TeleText P.C.B.14-09-04
PhilipsGR2.4Error 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
PhilipsGR2.4E-W faultye-w tr 7533 BD440 on crt base & 7530 BC846 sm tr next to it & check C2550 680n 250v14-09-04
 FB -  Links -  Info / Contacts -  Forum -   Last SM download : Compaq-HP LA-4107P

script execution: 0.26 s