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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: 20
PhilipsG90AE 21 GR2350No soundIC7220 I/C sound chip TDA819114-09-04
PhilipsG90AE 21GR2350Shuts down with motorboating noise aft 10 minsDry joints Q7502 in FOP14-09-04

PhilipsGR2.3After a while colourspot left upper corner.Picture tube defective A51EAK02X05. Codenr. 4822 131 2060314-09-04
PhilipsGR2.3Fly-back lines visible and too bright. Pict. reacts on bending TXTCheck capacitor C2503 (10 nF SMD; 4822 122 32442) on TXT-PCB 14-09-04
PhilipsGR2.3Fly-back lines visuable when adjusting focus voltage. VG2 changes.Leak inside picture tube between Focus/VG2. Repair pict.tube by artificial flash.14-09-04
PhilipsGR2.3Geometry cannot be aligned wellReplace 3522 by 10 kOhm (4822 100 10436) or if not present, cut coppertrack between 3557 and 3559, place there 3522 (10 kOhm; 4822 100 10436) on the Teletext module. Replace 3557 by 4,7 kOhm (4822 051 10472) on the teletext module. R3522 is a potentiomete14-09-04
PhilipsGR2.3Geometry not correct (trapezium)Replace 2522 on CRT module by 560nF (4822 121 51412)14-09-04
PhilipsGR2.3Horizontal 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)14-09-04
PhilipsGR2.3Horizontal lines in the top of the picture on white or blue pictureReplace sops transformator pos.nr. 5625 by 4822 148 81348 REMARKS : introduced in production from week 9444 onwards14-09-04
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
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