Philips Repair Tips
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Results: 14243
Results: 14243
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| 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 | ||
| PHILIPS |
VR3522
|
So fica em stand by (power off). | Ver q803, c801, c605, c25, d605 e r626. * 30jul96 acm *. | ||
| PHILIPS |
VR3522
|
No sound. (with or without image for TV, VCR). | CN4 connector with poor contact. | ||
| PHILIPS |
VR3522
|
Without horizontal synchronization. | X401,c403,c405 | ||
| PHILIPS |
VR3522
|
Noisy playback | Dirty head |