Preparation Before Adjustment - Pioneer PDP-5020FD Service Manual

5

Preparation before adjustment

[Replacement with the panel for service is completed.]
Procedures for resetting
corrections for change
over time
Turn the unit on. / [PON]
Enter Factory mode. / [FAY]
Set PM/B1-B5 to CLEAR (to clear the pulse meter). / [CPM]
Set HR-MTR to CLEAR (to clear the hour meter). / [CHM]
Turn the unit off. / [POF]
Procedures for stabilizing the
panel before adjustment
Turn the unit on. / [PON]
Enter Factory mode. / [FAY]
Enter the tentative setting value of the replacement panel
Setting Item
VOL SUS / [VSU ∗∗∗]
VOL OFFSET / [VOF ∗∗∗]
VOL RST P / [VRP ∗∗∗]
VOL XPOFS1 / [VX1 ∗∗∗]
VOL XPOFS2 / [VX2 ∗∗∗]
VOL YNOFS1 D / [V1F ∗∗∗]
VOL YNOFS3 D / [V3F ∗∗∗]
VOL YNOFS4 D / [V4F ∗∗∗]
VOL YNOFSA D / [VYF ∗∗∗]
Display CMB MASK 01 (moving ramp). / [MKC S01]
Select Video 60-Hz sequence. / [VFQ S03]
Perform aging for 30 minutes.
[To the Main flowchart (1)]
Note:
* When you perform the adjustment with RS232C commands, issue the following commands in addition.
* If the unit is shut down in the middle of performing the adjustment flowchart, reissuing of the command is required.
[PAV S00] : To set panel drive mode to Factory
[VFQ S03] : To set Drive Sequence to Video 60-Hz
[WBI S01] : To temporarily reset the Panel WB adjustment value to default (WBI S00 cancels this setting.)
[PGR S00] : To set the gamma R value to that for Factory mode
[PGG S00] : To set the gamma G value to that for Factory mode
[PGB S00] : To set the gamma B value to that for Factory mode
[DIZ S03] : Dither ON, L dither ON, noise OFF.
[$1800000001] : LUT mode ON
5
6
Tentative Setting Value
128
VOF indication value
VRP indication value
085
047
V1F indication value
V3F indication value +0
V4F indication value
128
Note: "+0" shows α.
PDP-5020FD
6
7
∗ To reflect the results of log clearing for each correction function,
the unit must be turned off then back on again. Before adjust-
ment, be sure to turn the unit off then back on again.
Indication example of the adjustment label
of service panel
AWU1340 Data
VRP=031 V1F=143
V4F=172 Hour Meter_ _ _ _ _ _ _ _ _ _ H
Data 08/02/28 Chassis CXX99999
Time 18:27 Pnl FD4A0808100123
Note: The symbol "α" denotes the adjustment value plus 0.
∗ Each setting value described on the adjustment label
denotes an indicated data value but not a real voltage value.
Therefore, just enter the data value as a setting value.
∗ To store the VFQ S03 command in memory, transmit it after
displaying the mask.
7
8
VOF=129
V3F=128+α
167
8
A
B
C
D
E
F