Pioneer PDP-503CMX Service Manual page 105

Sustain Pulse Waveform Adjustment
Adjusting Point
Input Signal
REF_DIG mode
in Factory mode
White 100%
X-SUS-B : key 9
Y-SUS-B : key 11
VRN Voltage Adjustment
Adjusting Point
Input Signal
VR3701 (VRN)
White 100%
(X DRIVE Assy)
Panel White Balance Adjustment
Adjusting Point
Input Signal
Mask Level Adjustment
Adjusting Point
Input Signal
VIDEO OPTION mode in
Factory mode
SIDE MASK LEV.
R SIDE LEVEL : key 1
G SIDE LEVEL : key 2
B SIDE LEVEL : key 3
PDP-503CMX, PDP-503MXE, PDA-5002
X-SUS-B, Y-SUS-B Adjustment
Set to the indicated value with a key on 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 Method
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)
MASK Left Side
x 295
y 306
Side mask color / Level Adjustment
Set the indicated value with the keys on the remote control unit.
Adjusting Method
Adjusting Method
MASK Right Side
291
300
Adjusting Method
105