PHILIPS TV Repair: Common Faults and Solutions.


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Search: PHILIPS
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PHILIPS Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILIPS2A
No tuning just noise.Break between pin 4 of tuner & pin 7 of socket m1.
PHILIPS2A
No tuning front display shows correct channelR3740 ( 5.6r ) on citac module o/c.
PHILIPS2A
No 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)
PHILIPS2A
No 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 value
PHILIPS2A
No frame - 2x resistors burnt up by loptx.R3638+3645 ( .33r ) , check diode by them , frame ic tda.
PHILIPS2A
Moire type patterningCheck the ceramic cap across fop chip isn't missing (if you've just changed it for instance)
PHILIPS2A
Memory - loss.Degaussing thermistor.
PHILIPS2A
Lines/tearing until warmed upC2550 1µ 63v hi esr
PHILIPS2A
Lines - vertical over whole screen.2691 ( 33pf ) , 3691/2 ( 3.9m ) , drys in power supply/earthing
PHILIPS2A
Line tear and poor field syncC2550 1uf
PHILIPS2A
Line ripple aft few mins with low htC2664 - normally causes dead set
PHILIPS2A
Lack of contrast.R3496 ( 15k ) , d6493 12v zener.
PHILIPS2A
Intermittent no raster.Check if pin 7 ( tda3561 ) has gone to 0v if so c2496.
PHILIPS2A
Intermittent loss of raster.C2496 going o/c.
PHILIPS2A
Ht low at 40-50v set squealsC2697 c2701 oc
PHILIPS2A
Ht low at 25v if power supply unloaded ok ( 140v )R3690 82r oc in power supply
PHILIPS2A
Ht & chan no show for 1/2 sec at sw on then deadOk on dummy load & works when heated - c2681 6µ8 63v hi esr
PHILIPS2A
Fuse 1651 blows.Diode 6664 (byd33j; 4822 130 42606) and c2664 (1,5 nf; 1kv; 4822 122 40308) defective.
PHILIPS2A
Frame ic tda3653aq/4q blowing.C2571 ( 100uf , 25v ) , c2565 ( 390pf , 100v )
PHILIPS2A
Frame ic blowing.Fit c2565 ( 390pf ) between pins 1&5 of ic7570 ( frame )