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Pioneer PDP-504PU User Manual

Pioneer PDP-504PU
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PDP-504PU
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7.1.9 BACKING UP THE ADJUSTMENT VALUES FOR THE MAIN UNIT
Outline
The data on the adjustment values for the main unit are stored in an EEPROM (IC5206, 4 kbits) on the DIGITAL VIDEO Assy. Part
of the data (area A in the figure below) are automatically copied to an EEPROM (IC4002, 2 kbits) mounted on the PANEL IF Assy for
backup. When the DIGITAL VIDEO Assy is replaced, the backup data on the adjustment values for the main unit stored in
the PANEL IF Assy can be copied to the new DIGITAL VIDEO Assy, thus enabling you to omit newly performing adjustments on the
main unit. The logs for the product (power-down log, etc.) can also be copied.
Basic flow of automatic backup
Using a keyword, the data in areas A and B are judged as to whether they have been adjusted or not, then copying is performed.
Actual automatic backup operations
1. When the DIGITAL VIDEO Assy is replaced with an Assy for service
Changing of keywords is not required. Replace the DIGITAL VIDEO Assy with an Assy for service, and send the "BCP" RS232C
command. Thus, the backup data in the EEPROM on the PANEL IF Assy are copied to the EEPROM on the DIGITAL VIDEO Assy for
service.
2. When a repaired DIGITAL VIDEO Assy is mounted on another unit (reuse of the repaired DIGITAL VIDEO Assy)
The keyword of the DIGITAL VIDEO Assy to be reused must be changed to "not adjusted" using the "UAJ" RS232C command.
Note 1: If a repaired DIGITAL VIDEO Assy is mounted in another unit (Unit 2) without this change of keyword, and the power to the unit 2 is
turned off, the data in force before the repair of the DIGITAL VIDEO Assy will be copied to Area B of the PANEL IF Assy of Unit 2,
overwriting the data necessary for Unit 2. Once overwritten, the original data will not be restored.
Data to be backed up in the digital EEPROM (area A)
Margin adjustment values (Vsus, Vofset)
Power upper-limit adjustment value (ABL)
PANEL white-balance adjustment values
(PANEL-R HIGH, PANEL-G HIGH, PANEL-B HIGH, PANEL-R LOW, PANEL-G LOW, PANEL-B LOW)
Drive waveform adjustment values
(X-SUS-U1, X-SUS-U2, X-SUS-D1, X-SUS-D2, Y-SUS-U1, Y-SUS-U2, Y-SUS-D1, Y-SUS-D2, Y-SUS-D3, Y-SUS-D4)
Hour meter
Pulse meter
Number of times the power has been turned on
PD/SD logs
EEPROM on the DIGITAL VIDEO Assy
Backup data for the
DIGITAL VIDEO Assy
(Area A)
Backup data for the
DIGITAL VIDEO Assy
(Area B)
1
Power off
2
"BCP" command
2
"BCP" command
DIGITAL VIDEO Assy for service PANEL IF Assy
Other data
(Area C)
EEPROM on the PANEL IF Assy (for backup)
1 The keyword on the DIGITAL VIDEO Assy is checked when the power is turned off, and if it is "adjusted", automatic backup is performed.
2 If the keyword on the PANEL IF Assy (Area B) is "adjusted," copying can be performed with the "BCP" RS232C command.
Data in the EEPROM on the
DIGITAL VIDEO Assy
(Area A)
(Not adjusted Adjusted)
Data in the EEPROM on the
DIGITAL VIDEO Assy
(Area B)
(Adjusted)

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Pioneer PDP-504PU Specifications

General IconGeneral
BrandPioneer
ModelPDP-504PU
CategoryMonitor
LanguageEnglish

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