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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: 16
PhilipsGR2.2AA 21ST2730/05No sound/poor sync - improves with timeC2072 a 2.2mfd cap was OC on Nicam IF module14-09-04
PhilipsGR2.2AA 25MN1550LOPTr destroyed every few days/weeksVaryation in hor phasing - TDA2579B timebase gen chip14-09-04

PhilipsGR2.2AA 25PT410Dead - LOPTr s/cCaused by dry joint line scan coils14-09-04
PhilipsGR2.2AA 25PT532A/05Tripping - HT only 100v & LT lines about 1/2 normal6670 Thy TAGEO102AA, will start if gate dis'd or Thy removed14-09-04
PhilipsGR2.2AA 25ST2761Dead with quiet trippingC2611 68uF 25v in psu pri hi esr14-09-04
PhilipsGR2.2AA 28ST2781/05BTrips once per sec with led flashing in sympathyDoesn't trip with scan coils removed - Check fuse 1534 315mA14-09-04
PhilipsL2.2AA 29PT828C/05Dead - 5A fuse in plug o/cMains rect cap arcing 220µ 385v14-09-04
PhilipsL6.2AA 25PT4103/05E/W correctionC2913 390nF o.c. also split and bulging14-09-04
PhilipsL6.3AA 25PT4495/05Int lock up of controls - only cured by sw off & on againReg Tr7505 BC337/4014-09-04
PhilipsL6.3AA 25PT4495/05Tripping - s/c in LOPC2912 2n214-09-04
PhilipsMD 2.21 AA 28PT7303After replacing LOPTx set starts up with brief EHT then reverts to st/byFET on same heatsink as BU2520 is S/C 14-09-04
PhilipsMD1.2E AA 28PW63332/05Line collapseBurnt conns on deflection yoke plug/skt14-09-04
PhilipsMD1.2E AA 29PW6332/05Excess width with poor E/WDry joints E/W driver Trfmr 542414-09-04
PhilipsMD1.2EAA 29PT6773/05Won't go into st/byR3588 3R3 ?w o/c in st/by prot cct on large sigs panel - also replace C2561 with 3,300µ 16v14-09-04
PhilipsMG3.1EAA 28PW9525/05Sound dist/fuzzyHi imp center speaker14-09-04
PhilipsSA10EAA 28PW6816/05Int changes chan on its own inc AV & also int offMain micro on sub panel with sm comps on it - known as "Painter chip" faulty - costs around 50UKP & needs hot air soldering equip to change - not for the faint hearted!14-09-04
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