Pioneer PDP-425CMX Service Manual page 159

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Overview
Factory-preset adjustment data are stored in the EEPROM in the MD DIGITAL Assy. User adjustment data are automatically stored in the
EEPROM for backup in the MD DIGITAL Assy.
When a replacement of the MD DIGITAL Assy is required, backed up user adjustment data can be copied from the original backup
EEPROM to the main EEPROM of a new MD DIGITAL Assy if the original backup EEPROM is replaced with a new one.
Data to be backed up
• Voltage margin adjustment value
• Hour-meter data
• Adjustment value of the upper limit of the power supply
• Pulse-meter data
• Panel WB adjustment value
• Serial number
• Drive waveform adjustment value
• P-ON (Power-on) counter data
• PD/SD (Power-down/shutdown) log data
How to copy backed up data
After the original backup EEPROM is mounted on the MD DIGITAL Assy for service, copy the backup data by either Method 1 or 2.
Method 1
Using RS-232C commands
[FAY]
[BCP]
Method 2
Using the Factory menu
How to display the Factory menu :
PANEL INFORMATION
(down)
(down)
ETC (+)
MENU / ENTER
BACKUP DATA : NO OPRT
(right)
BACKUP DATA : TRANSFER
MENU / ENTER (Hold the keys pressed for 5 seconds.)
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Press DISPLAY key → Don't press any keys for 3 seconds →
Press the keys in the following order: LEFT, UP, LEFT, RIGHT, then POWER.
PDP-425CMX
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