Pioneer PDP-503PC Service Manual page 64

1
Sustain Pulse Waveform Adjustment
Adjusting Point
Input Signal
A
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)
B
Panel White Balance Adjustment
Input Signal
C
∗
When perform the various adjustment by RS-232C control, execute a "DM0" command (release the limit of pulse number)
beforehand.
After the adjustment completion, execute a "DM 3" command (Limit of pulse number: 64%, shipping state) by all means.
D
E
F
64
1
2
X-SUS-B, Y-SUS-B Adjustment
Set to the indicated value with the remote control unit.
(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 Point
Adjust the parameter in the OFFSET-DIGITAL of factory mode as follows;
PANEL R-HIGH
PANEL B-LOW
In this time, dispay uses the mask (MASK04) of factory mode.
Reference : Adjustment values using the Media color-difference meter (A-100)
x
y
2
3
Adjusting Method
Adjusting Method
Adjusting Method
MASK Left Side MASK Right Side
295 291
306 300
PDP-503PC
3
4
4