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Philips Repair Tips




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Search: philips
Results: 14207
Make Model Symptom Problem Solution By
PHILIPS VR654
No sound. (with or without image for TV, VCR). Check demodulator board. * 02Apr97 jo *.
PHILIPS VR654
Without tune. Ver tuner u4. * 21ago96 jo *.
PHILIPS VR654
Noise with tape or as unrecorded tape. Check cylinder grounding system, it occurs oxidation on the terminals below the head, clean on this terminals. * 19Jul96 BC *.
PHILIPS VR654
Display off Integrated front panel IC1. * 05jan96 mjs *. diode d862 shorted. * 10jan96 jo *. check crystal x601. * 05Jul96 jpba *.
PHILIPS VR6491
Varying speed Ctl head (dirty or misaligned). *anc*. occurs when the PAL/NTSC key is activated, check q106 (d1266, replace= measurements ok). * 13Jul97 jo *.
PHILIPS VR6491
Accelerated speed "capstan" check capstan stator adjustment. *anc*. "capstan", must be without reference to fg1, fg2, see: q207, q208, ic21, ic22,ic25, c204. measure tp23 fg1 (pin 27 of ic25, should have 1080 hz for sp and 360 hz for slp) * 22jul96 acm *.
PHILIPS VR6491
Gray screen (no video) Check video information on pin 13 of ic36, you can there may be defective peripheral components. to To facilitate the analysis, interconnect pins 12 and 13 of the IC36. * 22Jul9 acm *. check mechanism position 11. * 21ago97 ctr *.
PHILIPS VR6491
Low or no sound in av. Leak em 2457. * 20dez95 jo *.
PHILIPS VR6491
It only works when inserting tape. Capacitor c135. * anc *.
PHILIPS VR6491
Without horizontal synchronization. Ver capacitor c81 e cristal x801 (3,58mhz). * 22jul96 acm *
PHILIPS VR6491
No colors in ntsc Fit r869. * Jul 94 BC *. check that the cylinder is not placed upside down, follow the "fm croma" pulse, also check ic31, ic81 and x801. * 19Jul96 acm *.
PHILIPS VR6491
White noises (dots) Verificar c132, c133, c135 e c144. * 22jul96 acm *.
PHILIPS VR6491
Intermittent rewinds on play. Mechanical adjustment out of point. * 28Dec95 BC *.
PHILIPS VR6491
Does not come out of intermittent stand by, or does not turn on. Check capacitors c124 (10uf), c119 (47uf), c120 (47uf) may be altered, also check c132, c133, c135 and c144. * 22Jul96 acm *
PHILIPS VR6491
Does not rotate (motor or plate) When inserting the tape, the mechanism does not activate 1 check pin 24 of ic28 (14v). 2 check solenoid circuit, measure pin 51 of ic63 (varies from level 0 to 1?), see: q604, q605 and q606 and solenoid. 3 check box key 221 and mec key
PHILIPS VR6491
It doesn't work (it stays off). Does not work on 110v see > c124. *anc*. leaky diode d101. *anc*. capacitor c135 open. * 26Feb96 jo *.
PHILIPS VR6491
Image mute (gray, blue, black). Ver capacitor c81 e cristal x801 (3,58mhz). * 22jul96 acm *
PHILIPS VR6491
Locked mechanics. Can occur due to the ic25 losing control and forcing the engine capstan will work until it stops, misaligning the mechanism. * 22Jul96 acm *.
PHILIPS VR6491
Fita presa (your ejeta). Upper part of the box compartment deformed. * 28Dec95 anc*.
PHILIPS VR6491
Tape does not enter the compartment. To check: 1 see pin 24 of ic28 (14v) 2 see solenoid circuit, measure pin 51 of ic63 (varies from 0 at 5v?), q604, q605, q606 and solenoid. 3 check mode and cassette keys in. * 22Jul96 acm *.