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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: 4551
Philips2AIntermittent no raster.Check if pin 7 ( TDA3561 ) has gone to 0v if so C2496.14-09-04
Philips2ALack of contrast.R3496 ( 15k ) , D6493 12v zener.14-09-04

Philips2ALine ripple aft few mins with low HTC2664 - normally causes dead set14-09-04
Philips2Aline tear and poor field syncC2550 1uF14-09-04
Philips2ALines - vertical over whole screen.2691 ( 33pf ) , 3691/2 ( 3.9m ) , drys in power supply/earthing14-09-04
Philips2ALines/tearing until warmed upC2550 1µ 63v hi esr14-09-04
Philips2AMemory - loss.Degaussing thermistor.14-09-04
Philips2AMoire type patterningCheck the ceramic cap across fop chip isn't missing (if you've just changed it for instance)14-09-04
Philips2ANo frame - 2x resistors burnt up by LOPTX.R3638+3645 ( .33R ) , Check diode by them , Frame IC TDA.14-09-04
Philips2ANo pic/sound - LED blinks in time with HTRepeated resetting of micro due to reset drive 0.5volts low - fit additional 10µh choke across L5642 to restore 7v value14-09-04
Philips2ANo tuning but displays correct chan no.Tuning volts remain at 33v; R3740 5R6 on CITAC module o/c (No 5v to tuner divide by 256 cct)14-09-04
Philips2ANo tuning front display shows correct channelR3740 ( 5.6R ) on citac module o/c.14-09-04
Philips2ANo tuning just noise.Break between pin 4 of tuner & pin 7 of socket M1.14-09-04
Philips2ANo tuning.R3730 ( 160ohm ) o/c.14-09-04
Philips2APatterning.Fit C2565 ( 390pf ) between pins 1&5 of IC7570 ( frame )14-09-04
Philips2APic on some chans alternates between pic & snowOK on scart I/p - 1µ 50v cap in tuner hi esr14-09-04
Philips2APicture looked like a mosaicTDA3561 us14-09-04
Philips2APoor HT reg - chopper Tr overheats & may failD6663 BYD14K14-09-04
Philips2ARaster - low brightness & hanover blinds.IC TDA3561A.14-09-04
Philips2AREPEAT FAILURE OF LINE OP. TRANSISTORCHECK LINE DRIVE TRANSFORMER FOR DRIES14-09-04
Philips2ASET CUTS OUT INT . THEN JUST BUZZESD6699 OR D6700 6v814-09-04
Philips2ASet ticking in stand by.Check/replace C2690 - 1uF 100 volt non-polarised. R3689 - 39 Ohms of pin 8 of SOPS transformer. D6689 - 1N4148 diode (4822 130 30621).14-09-04

Philips2ASET TICKS IN STBYC2690 1uf 100v14-09-04
Philips2AShuting down with a whine.Drys on C2609.14-09-04
Philips2ASLOW START UPR3670 33R HIGH OR OC14-09-04
Philips2ASOPS radiationDuring later production of the 2A chassis, two changes were introduced to reduce radiation from the SOPS power supply and also to limit the dissipation in TS7687. COMPONENT POSITION CHANGE CODE NO. 2n7 capacitor C2694 14-09-04
Philips2ASound crackling - even if EHT lead disconnectC2618 ( 1.5nf )14-09-04
Philips2ASOUND UNSTABLE + OSCILLATESC2151 0.1uF14-09-04
Philips2AStand-by LED is on, but the set does not go to stand-by mode.R3730 (160 Ohm; 4822 116 52212) or diode 6730 (4822 130 30842; pos.nr.1900) on CITAC module broken. Thyristor 6727 (BT151/500R; 5322 130 24081) defective.14-09-04
Philips2ATeletext drop out.With lines on picture. solder text ICs direct to panel.14-09-04
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