Philips for Intel Socket 775 processor Service Manual page 36

EN 36 8. S/SD/HD 3.1 PDP
Rising Ramp
(V)
50V/div.
DC=0V
VR5004
TP:Vsch
* Pay close attention to above adjustment
* Dip Switch Mode
Internal
Aligments
40V
20µs/div.
(t)
1. VR5004 Adjustment: Vsch TP => 40volt
2. VR5002 Adjustment: Rising Ramp flat time: Typ. 10 µsec
3. VR5003 Adjustment: Falling Ramp flat time => Typ. 30 µsec
4. VR5001 Adjustment: 3th SF Falling Ramp flat time => Typ. 30 µsec
Falling Ramp
(V)
20V/div.
External
50µs/div.
(t)