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Philips Repair Tips




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Search: philips
Results: 14207
Make Model Symptom Problem Solution By
PHILIPS VR354
So fica em stand by (power off). Check power supply of +6, see: c853 and c856. * 31Jul96 acm *
PHILIPS VR354
Without tune. Check +nr1, if ok, check cvbs on the q4 sender. * 31Jul96 acm *. check integrated ic401. * 09Oct97 ctr *.
PHILIPS VR354
No colors only in palm Check ic251 (ba7045). * 04Jul96 jo *.
PHILIPS VR354
Loses colors in still or scan. Include a 22 to 33pf capacitor between pin 39 of ic2 and the coil l9 with c56. *29Aug irhd*.
PHILIPS VR354
Does not recognize slp speed (low ctl) Main servo: c401, c405, c406, r406, r439. medir tp401 (30hz). * 31jul96 acm *.
PHILIPS VR354
Does not record (sound or image). Check cold solder on transistor q4. * 17jan97 esc *.
PHILIPS VR354
Does not rotate (motor or plate) Fuse cp401. * 26Feb96 jdcc *. capstan, see: d401, d402, x441, q441, q442. measure 3.58mhz pin 42 of ic401, if ok, check: q604, c609 and engine. measure pin 12 ic601.* 31jul96 acm *. drum, see: r432, r428, r429, ic401, engine. measure pin 4
PHILIPS VR354
Does not work on 220v. Verificar q802 e diodo d860. * 22ago97 fr *.
PHILIPS VR354
It doesn't work (it stays off). Diode d807 with leakage (zener 27v). * 19Jul96 irhd *. check possible leak in transistor q851, see coupler optical pc801, don't forget to turn off the secondary diodes to check for possible leaks. * 19Jul96 acm *. difficult start check ca
PHILIPS VR354
Negative image. There is the same Fi/Varicap (Tnr1). * 05JM96 Engs *.
PHILIPS VR354
Display off 1) power supply ok. see: pc802 and r889. 2) ha ref. of clock. see: ic603, d611, c505. check reset on pin 12 of the micro 0v when turning on. 3) reset ok. see: ic601, cf601, x601. 4) all of the above ok. insert an unsealed tape, if work, check ic1, f
PHILIPS VR354
Turns off by itself. Photo sensor ps1, changed. * 26Feb96 jo *.
PHILIPS VR354
Damage IC or TS semiconductor Fet q801, see diode d810 e d809 em curto. * 10jan96 jo *. fet q801, see: q802, c816, c821, c810. * 31Jul96 acm *.
PHILIPS VR354
Damages diode D860 zener 15v, verificar transistor q802. * 22ago97 fr *.
PHILIPS VR3522
Varying speed C407,c409,d405,d409. ver d405, d403 e ic401. * 30jul96 acm *. drum = ver, c416, r422 e drum. * 30jul96 acm *.
PHILIPS VR3522
Low speed (slow). Drum= see:c403, c405, r404, r406. Note: see pulse on emitter of TS401 and pin 7 of IC401. * 30Jul96 acm *. capstan= see: c407, c409, r407, r408. Note: measure wave square (5vpp) on pins 12 and 13 of ic401. * 30Jul96 acm *.
PHILIPS VR3522
Accelerated speed Ver c416, c429, r422. * 30jul96 acm *.
PHILIPS VR3522
Goes to stand by after some time. C801,c12,c124,c119,c120,l35
PHILIPS VR3522
Dark "black" screen (see also bril4). Leakage in the print below the cn802 ink. *Jan 95 acm*. see resistors r205, r414, r415. see pulse on pin 20 of ic601. * 30Jul96 acm *.
PHILIPS VR3522
Gray screen (no video) Ic301 head