Pioneer PDP-503PU Service Manual page 67

5
Sustain Pulse Waveform Adjustment
Adjusting Point
Input Signal
REF_DIG mode
in Factory mode
White 100%
XSUSB ADJ
YSUSB ADJ
VRN Voltage Adjustment
Adjusting Point
Input Signal
VR3701 (VRN)
White 100%
(X DRIVE Assy)
Panel White Balance Adjustment
Adjusting Point
Input Signal
Note: If you perform various adjustments with the RS-232C commands, be sure to execute a "DM0" command (releasing the
pulse number limit) first, and after completion of the adjustment, be sure to execute a "DM3" command (pulse number
limit: 64%, factory preset value).
5
6
X-SUS-B, Y-SUS-B Adjustment
Set to the indicated value with the remote control unit.
VRN (minus reset voltage adjustment)
Adjust so that the voltage between K3707 (VRN) and K3702 (SUS-GND) becomes
-300V ± 1.0V.
Adjusting Method
Adjust the OFFSET-DIGITAL parameters (from PANEL R-HIGH to PANEL B-LOW) in
Factory mode.
For adjustment, use the mask (MASK04) signal of Factory mode for display.
Reference : Adjustment values when using the Minolta color-difference meter (A-100)
MASK Left Side
x 295
y 306
PDP-503PU
6
7
Adjusting Method
Adjusting Method
MASK Right Side
291
300
7
8
A
B
C
D
E
F
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