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
PHILIPS7CM3689
Dark "black" screen (see also bril4).Resistors 3340, 3366 and 3370 (10e) open. * 26fe 96 anc *.
PHILIPS7CM3689
Cyan screen (no red) = red1Resistor 3363 (10e) aberto. * 26fev96 anc *.
PHILIPS7CM3689
Blue fabric7301. broken track of pin 24 of the integrated 7301 (lm1203). * nov 95 acm *.
PHILIPS7CM3689
Yellow screen (no blue)Check RGB interconnection cable. * Apr 95 BC *. 3370 resistor open. * 26Feb96 anc *.
PHILIPS7CM3689
No voltage (vo, +b, hvt, etc.).Mat, check coil s121 open. * 02Apr97 fr *.
PHILIPS7CM3689
Without horizontal synchronization.Integrated circuit 7801 (hef4538), or fit 3819. * May 95 jo/anc *.
PHILIPS7CM3689
Lose sync nothing 640 x 400 - 640 x 480.Check damaged integrated 7801 or resistor 3819 misfit. * May 95 jo/anc *.
PHILIPS7CM3689
Lose sync. hour. at 1024x768.Integrado 7406 (mc1391). * out 95 anc *.
PHILIPS7CM3689
Loses sink. hot. when changing scene or resolution.When entering the 1024 x 768 resolution, check trimpot 3421 amended. * May 95 BC *. integrated 7406 (mc1391). *oct 95 anc*.
PHILIPS7CM3689
It doesn't work (it stays off).Protection activated, see damping line capacitor 2423 open (5k6). * May 95 BC *. check capacitor 2544. * 13jul97 jo *.
PHILIPS7CM3689
Return lines (retraction).Integrated 7504. * anc *. cold solder on transistor 7304 (loose base). * nov 95 acm *.
PHILIPS7CM3689
Poor widthCapacitor 2424.** diode 6409.**
PHILIPS7CM3689
Image without definition (focus).Wrong transistor 7307, a bf469 must be used original 2sc3950. * nov 95 acm *.
PHILIPS7CM3689
Turns off immediately after turning on.Changed transistor 7106. * 26Feb96 anc *.
PHILIPS7CM3689
Damage IC or TS semiconductor7101 sub. also 7106.**.
PHILIPS7CM3689
Brightness does not workOpen resistor 3339. * anc *.
PHILIPS7CM3689
It beeps loudly (power supply), but it doesn't work.Transistor 7106 (bd434) with altered base and emitter junction, little driving. * 26Feb96 anc *.
PHILIPS7CM3299
No vertical linearity.Check integrated 2511 open. * 20jun97 ctr *.
PHILIPS7CM3299
Blurred colorsResistors 3370/3366/3340.**.
PHILIPS7BM749
Vertical running (sync2).Verificar capacitor c422. * 17jan97 fr *.