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
PHILIPSGR1-L1 2
Vol + doesn't work.Check diode 6910 (1n4148) open. * 09Oct96 anc *.
PHILIPSGR1-L1 2
Vertical with little amplitudeCheck capacitor 2561 without capacity, see also 3426 resistor changed. * 03Sep96 anc *.
PHILIPSGR1-L1 2
Timer doesn't workCheck summer schedule (version 16) . * Apr 95 years *.
PHILIPSGR1-L1 2
Voltages below the specified (vo, +b,..)Vo = 50v, see leaky diode 6345. * Aug 95 ctr *.
PHILIPSGR1-L1 2
Voltage varying.If the pin voltages of the up 7900 are irregular, check transistor 7933 (bc548) open intermittent. *jun 95 anc *.
PHILIPSGR1-L1 2
Pink screen with image.Integrated 7207. * out 95 ctr *. check open capacitor 2433 and 2434. * 03Sep96 anc *.
PHILIPSGR1-L1 2
Dark "black" screen (see also bril4).Capacitor 2751 (33k) shorted. *may 95 jpba*. transistor 7933 (bc548) open. *jun 95 anc*. check resistor 3224 (2.2e) open. * 03Sep96 anc *. check possible cold welding on jump 9507. * 09set96 anc * resistor 3229 (1m) changed,
PHILIPSGR1-L1 2
Gray screen (no video)Transistor 7933 (bc548) open, the device is completely inoperative. *jun 95 anc*. monoic with changed sand castle line. * Jul 95 BC *.
PHILIPSGR1-L1 2
Only works in audio and videoTransistor 7933 (bc548) aberto. * jun 95 anc *.
PHILIPSGR1-L1 2
No voltage (vo, +b, hvt, etc.).+16v, ver capacitor 2326 (15k). * 03set96 anc *.
PHILIPSGR1-L1 2
No sound. (with or without image for TV, VCR).Cold solder on the speaker terminal. *jun 95 ctr*. integrated 7600. * 03set96 anc *. capacitor 2258 (10uf) open. * 09Oct96 anc *.
PHILIPSGR1-L1 2
No h/v sync.Check the summer schedule, it should be code 16. * 2995 jpba *. check transistor 7204 (bc548) open. * 03Sep96 anc *.
PHILIPSGR1-L1 2
Loud noise with antenna (drizzle)Capacitor 2204 (2u2f). * 09out96 anc *.
PHILIPSGR1-L1 2
Noise with tape or as unrecorded tape.Capacitor 2204 (2,2uf) aberto. * 09out96 anc *.
PHILIPSGR1-L1 2
Deformed frame (not correct shape).Verificar capacitor 2566 (470uf). * 03set96 anc *.
PHILIPSGR1-L1 2
Searches but cannot find (barr3/sint3).Resistor 3975 (330k) aberto. * 09out96 anc *.
PHILIPSGR1-L1 2
Out of the best tune.Resistor 3976 (560k) aberto. 09out96 anc *.
PHILIPSGR1-L1 2
It doesn't work (it stays off).Leaky 6345 diode. * Aug 95 ctr *. 5505 with leak. *out 95 ctr*. 2.2e resistor open. * 03Sep96 anc *.
PHILIPSGR1-L1 2
No characters/menu appear.Transistor 7933/7938 (bc548) open. *jun 95 anc*. solder short on pins 26 and 27 of the integrated 7900. * jun 95 anc *. obs. possibility of faulty IC (out 95 mjs).
PHILIPSGR1-L1 2
Does not open verticallyCable of the deflector unit welded by the insulation. * Jul 95 anc*. check capacitor 2417 (2200uf) with cold soldering. * 03Sep96 anc*.