Philips for Intel Socket 775 processor Service Manual page 41

8.1.5 50" HDv3
V3.1 TCP Ramp Waveform Inclination Adjustment (Y-Board)
Adjust VR5000 to set the time of
Yrr( Rising Ramp) 50 µs
Adjust VR5001 to set the time of Yfr
(Falling Ramp_1st) 35 µs
Rising Ramp
(V)
50V/div.
DC=0V
Adjust VR5901 to set the voltage of
Vsch [Scan high voltage ] 25V
Adjust VR5002 to set the time of
Yfr (Falling Ramp_3rd) 20 µs
40V
20µs/div.
(t)
Aligments S/SD/HD 3.1 PDP
Falling Ramp
(V)
20V/div.
8. EN 41
50µs/div.
(t)