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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: 13
Philips21PT4456St/by onlyFOP chip TDA9302H14-09-04
PhilipsL01.2EE 21PT4457/05No red at sw on then reverts to st/byR3316 68R 1/2w o/c, Tr7311 BF422 s/c b- e - on crt base14-09-04
PhilipsL6.2 25PT4494Shuts down aft a min with cogging - ok at restarttr515 and choke 542814-09-04
PhilipsL6.3 21PT4494deadchopper Tr s/c, LOPTr s/c. use power kit 4822 310 10663 and replace LOPTr BUT11AX14-09-04
PhilipsL6.3 25PT4494/05St/by onlyReplace o/c 630mA fuse (1502) (4822 252 51185)14-09-04
PhilipsL6.3 25PT4494/05St/by onlyReplace o/c 630mA fuse link (1502) (4822 252 51185) and BC337-40 transistor (7505).14-09-04
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
PhilipsL7.2 21PT4424/05Reverts to st/by aft 3 secsFOP chip overheats causing R3451 2R2 0.5W o/c near LOPT and frame IC7402 TDA9302H u/s (replaced with TDA8172)14-09-04
PhilipsL7.3A 25PT4473/79RDead with slight arcing soundcapacitor 2463 1000pf 2KV ceramic disc arcing 14-09-04

PhilipsL9.1 25PT4475sound int. goes off or no sound when warmresolder Xtal 14MHz located next to pin 64 IC182214-09-04
PhilipsL9.1E 25PT4475No sound aft tuner replacementCheck option bytes in serv mode (enter by pressing 0,6,2,5,9,6,& menu) option SB incorrect14-09-04
PhilipsL9.2 21PT4456Dead - after replacing fusible 1572 MP80/160 with N20 in lieu, T.base works with EHT & crt htrsICP 1572 feeds reg 7602 which provides 3.3 volt to painter chip 7600 (SAA5564Ps/M3/0181) which was U/S (?58+VAT)14-09-04
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