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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
PhilipsCP90Dead - went off with a flashDry joints chopper tr 7677, s/c mains rect 6657 BYD14J, o/c 2A fuse14-09-04
PhilipsCP90Dead - whistling - over volts prot firingHT above normal 95v - Tr7701 BC548 in error amp cct s/c14-09-04

PhilipsCP90DEAD , NO STBY LED OR CHAN IND , CHECK FOR OSC AT PIC2934 - 2935 ( BOTH 27 pf )14-09-04
PhilipsCP90Dead but ok on dummy load with ht at 95vC2703 330µ 25v leaky14-09-04
PhilipsCP90Dead H.T. low 50VCheck D6610 if ok suspect LOPT14-09-04
PhilipsCP90DEAD HT RISES , DIES INSTANTLYR3665 , D6665 4R7 and IN414814-09-04
PhilipsCP90Dead no 19V rail F1690 o/cIC1701 TDA819014-09-04
PhilipsCP90Dead no st/by - 95v/22v presento/c print near M13 plug/skt14-09-04
PhilipsCP90DEAD POWER SUPPLY OK NO 6v ON MICRO ICD6733 OC14-09-04
PhilipsCP90Dead PSU working PulsingD6610 s/c R3600 o/c D6072 ( 6V2 ) Zener ( if no start up V at junction R3661 R3673 CNX62 u/s )14-09-04
PhilipsCP90Dead set - no st/by LED or chan indCheck for osc at pins 31 & 32 TMP47C432 micro IC7840. If absent check C2934 & C2935 27pF leaky14-09-04
PhilipsCP90Dead with faint whistleok on dummy load. BUT11AF loptr s/c - dry joints on chopper tfmr & loptx14-09-04
PhilipsCP90Dead with faint whistlePri HT OK, No HT at loptr; C2619 1n5 2kv burnt & s/c14-09-04
PhilipsCP90Dead with pulsing psu - the 95v HT low at 60vD6702 BZX79-F6V2 zener leaky14-09-04
PhilipsCP90Dead.1.6amp fuse o/c , check for drys on LOPTX ect.14-09-04
PhilipsCP90Dead.C2679 ( 1nf 2kV ) , D6679.14-09-04
PhilipsCP90Dead.C2695 ( 2.2nf ) , D6695 s/c.14-09-04
PhilipsCP90Dead.R3668 ( 15R ) o/c.14-09-04
PhilipsCP90Does not functionVoltage +95 V not present Check/replace TS 7677 (BUT 11 AF; 4822 130 42679), check/replace TS 7673 (BC 547; 4822 130 44257) and TS 7674 (BC 328; 4822 130 44104) and replace D 6674 by BYD33J (4822 130 42606) Check/replace TS7727 (BC556; 14-09-04
PhilipsCP90Does not start by using remote controlTransistor 7730. Better memory battery 1901, 2,4 V- Code 4822 138 10313.14-09-04
PhilipsCP90Dull pic when connected to normal mains - ok with isolated supplyCRT rimband come adrift14-09-04
PhilipsCP90Field bounceTDA2579 timebase gen chip14-09-04

PhilipsCP90FIELD COLLAPSER3623 ( 8.2ohm ) 163v SUPPLY14-09-04
PhilipsCP90Field collapseR3623 8R2 o/c in 163v line from LOPTx14-09-04
PhilipsCP90FIELD COLLAPSE 2. POOR CONTRASTR3623 8R2 OC 2. PRESET R3944 5k OC14-09-04
PhilipsCP90Field collapse - small amount of scan belowNo 95v to FOP stage - crack in print by R3275 or R3582 3R3 o/c14-09-04
PhilipsCP90Field collapse with bright line across screenR3623 8R2 in 163v supply o/c14-09-04
PhilipsCP90FIELD SCAN VERY LOW ( 1/2 INCH )R3582 3.3ohm14-09-04
PhilipsCP90Flasing/lines on pic when coldDry joints IF module - esp the chips14-09-04
PhilipsCP90Fluttering pic - HT normalC2638 470µ 16v in 13.5v supply or check elect caps in IF can14-09-04
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