PHILIPS TV Repair: Common Faults and Solutions.


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PHILIPS Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILIPS7BM749
Fabric oscillates not horizontally.Check capacitor c135 open..
PHILIPS7BM749
Dark "black" screen (see also bril4).Check resistor r313 incorrect or altered value. * sea 95 jo *. check 3131 open. * 27may96 ctr *.
PHILIPS7BM749
No vertical sync (vert5).Check adjustment in r422. *01Sep98 h.desk*
PHILIPS7BM749
Loses sink. hot. when changing scene or resolution.Integrated IC401. *jun 95 is*.
PHILIPS7BM749
It doesn't work (it stays off).7104 shorted. *94*. 3102 q104 see r103/r104. does not work, because when turned on the overvoltage occurs, possibility of d109 being on the run. * Dec 94 BC *. check 7101 open. * 11jan96 ctr *. check open resistor 3103. * 04Jul96 ctr *.
PHILIPS7BM749
Does not open verticallyCapacitor c428 aberto. * 25abr96 lav *.
PHILIPS7BM749
Flickering image (see serr1).Check leaking capacitor 2508. * 13jlu97 fr *.
PHILIPS7BM749
Turn off inter. or protect (rew 3 for vcr).Check c112 open. * Dec 94 BC *. d109 with escape. * Dec 94 BC *.
PHILIPS7BM749
Damage IC or TS semiconductorIc502 damages when turned on, check trc aquadag cable or trc. Note: do not turn on the device without the board shielding trc. grounding point of the trc on the monopanel is parallel to the components r504 and c502, when this symptom is present there is a do
PHILIPS7BM749
Damages resistorR517, check leaky capacitor c508 (2k7). 05nov96 fr.
PHILIPS7BM749
Poor contrastCheck resistors r304/r311. *jun 95 is*.
PHILIPS7BM749
Varying or intermittent brightnessTrimpot 3541 (1m). * 94 anc *.
PHILIPS7BM749
Brightness does not workResistor r536 (56r) open. *jun 95 jo*. resistor r131 open. * 02Apr97 fr *.
PHILIPS7BM749
Excessive shineResistor r536 (56r) open. *jun 95 jo*. wire 1 of the "flat cable" with cold solder. * 27may96 ctr *.
PHILIPS7BM749
Poor brightness (little shine).Only shadows appear, see RGB connection cable. * nov 94 ac *.
PHILIPS7BM749
White with traces (or some faint color).Resistor r536 (56r) open. *jun 95 jo*.
PHILIPS70FC153
No sound. (with or without image for TV, VCR).Cold solder no smd transistor from +12v power supply. * Nov94 anc
PHILIPS64PP9901
No sound. (with or without image for TV, VCR).Check power supply panel voltage, possibility of resistor 3466 (.22) * 20nov99 anc *.
PHILIPS54VP51C
Voltages above specifiedOn the cathode of ic901 with 15v, this probably occurs because there is no pulse from the tsh, a likely cause is the lack of pulse coming from the horizontal oscillator, check trimpot r901 (10kÛ) open. *21Oct97 anc*.
PHILIPS54VP51C
Dark "black" screen (see also bril4).Check transcorder panel, possible cold welds. * 20Aug97 anc *.