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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: 4551
PhilipsCP90SET GOES DEAD SUPPLY DROPS TO 20v , PIN 14 MICRO ISUSPECT MICRO PUTTING SET IN STBY14-09-04
PhilipsCP90Set switches off - Ok if put back on.IC Microcontroller IC.14-09-04

PhilipsCP90Slow to come on (1/2 hr)100µ cap on sub panel low cap (not shown on cct)14-09-04
PhilipsCP90Sometimes no soundCheck/replace bus BU 5 (4822 267 60188) 14-09-04
PhilipsCP90Sound - loud buzz in standby.Replace thyrister D6726.14-09-04
PhilipsCP90Sound distorted & lowCheck headphone socket14-09-04
PhilipsCP90Sound faultshum - replace C2102 & 2113 470µ 25v, Int sound check CF1103 cer filter. No sound - check L5108 for o/c14-09-04
PhilipsCP90St/by onlyNo clock run at micro as D6934 leaky14-09-04
PhilipsCP90Stuck in standby.D693414-09-04
PhilipsCP90Tearing pic on high contrast & tuner driftC2638 470µ 16v (14v smoother) o/c14-09-04
PhilipsCP90Top of pic flickers to one sideC2044 1µ 63v, C2045 22µ 35v, C2073 33µ 16v, C2087 1µ 63v, C2093 22µ 35v, C2098 1µ 63v in IF unit14-09-04
PhilipsCP90Tuning drift on higher channels.Mod14-09-04
PhilipsCP90Tuning unstableCheck/replace D 6010 (ZTK 33B; 4822 130 30959) 14-09-04
PhilipsCP90Tuning won't stop at a chan & pic shifted to leftTDA2579 in IF module14-09-04
PhilipsCP90Unstable picC2067, C2075, D.J's. (All in "IF" can).14-09-04
PhilipsCP90Width fluttered in/outC2619 1n5 2kv tuning cap in LOP stage14-09-04
PhilipsCP90Width varies with brightnessR3665 4R7 o/c, D6665 1N4148 s/c also replace opto CNX6214-09-04
PhilipsCP90Won't come on again from warmD6670 1N414814-09-04
PhilipsCP90Black dots getting bigger as set warms upSAA524P/E Txt proc chip (only on Fastext models)14-09-04
PhilipsCP90 21CE1259/05BInt lines on screen esp from coldCheck / replace caps in IF can14-09-04
PhilipsCP90/110Dead - regularly blows LOPTr BUT11AFLine tearing noticed briefly before its demise - LOPTx faulty, also could be TEA1039 chopper chip, CNX62 opto coupler & check value R3658 120R, R3659 100R14-09-04
PhilipsCP90/110Ringing pic with herringbone patternL5082 coil in IF unit - source of replacement unknown at this time14-09-04

PhilipsCT2309/05WNo sound/pic - has hissing from spkrR3586 2R2 safety res o/c due to dry joints in LOP stage14-09-04
PhilipsCTNBBNo pic - OSD OKreplace s/m transistor 7651 (1F/2 npn) .Read O.K.14-09-04
PhilipsCTO/CTXTo reset settingsWith set sw'd on s/c the left hand side of R3017 to the bottom of R301414-09-04
PhilipsCTXDeadR3394 R3395 OC 27k 2.5W14-09-04
PhilipsCTXDeadcrack in print at corner of remote psu14-09-04
PhilipsCTXDeadR3298 4R7 dropper o/c14-09-04
PhilipsCTXDead - buzzing from psu & spkrHT ok - IC7375 TDA2577 u/s14-09-04
PhilipsCTXDead - HT low at 50vTrs7322 & 7323 BC548 & BC558 faulty - (read ok) 14-09-04
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