Pioneer PDU-50WX2 Service Manual page 52

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PDU-50WX2
Sustain Pulse Waveform Adjustment
Adjusting Point
Input Signal
White 100%
VRN Voltage Adjustment
Adjusting Point
Input Signal
VR3701 (VRN)
White 100%
(X DRIVE Assy)
Panel White Balance Adjustment
Adjusting Point
Input Signal
52
X-SUS-B, Y-SUS-B Adjustment
Set to the specified value with XSB and YSB of RS-232C command.
(Refer to "Timing adjustment of control signal of X and Y Drive Assys".)
VRN (minus reset voltage adjustment)
Adjust so that the voltage between K3707 (VRN) and K3702 (SUS-GND) becomes
-300V ± 1.0V.
Adjusting Method
1.Transmit RS-232C command "M 04", and display mask pattern 4.
2.Read adjusted value with "GPW", and adjust it with "PR H" ... "PBL".
3.Transmit "M 00", and mask off.
Reference : Adjustment values using the Media color-difference meter (A-100)
MASK Left Side
x
295
y
306
Adjusting Method
Adjusting Method
MASK Right Side
291
300

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