Drv (Panel Drive-Power On/Off); Fay/Fan (Adjustment Commands Permission/Prohibition); Faj/Uaj/Cbu/Bcp (Backup Function For Adjustment Value) - Pioneer PDP-5020FD Service Manual

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A

[16] DRV (PANEL DRIVE-POWER ON/OFF)

Panel drive-power ON/OFF (drive ON/OFF) is controllable.
Command Effective Operation
Format
[DRV+S00] Every time
[DRV+S01] Every time
Note: The function of the DRIVE OFF key on the remote control unit for servicing is the same as that of the DRVS00 command.
B (A function equivalent to that of the DRVS01 command is not provided for the remote control unit for servicing.)

[17] FAY/FAN (ADJUSTMENT COMMANDS PERMISSION/PROHIBITION)

The commands FAY/FAN are for prohibiting/permitting panel/MTB-adjustment commands.
Command
Effective Operation
Format
C
Normal operation mode
[FAY]
while the power is on
During FAY
[FAN]

[18] FAJ/UAJ/CBU/BCP (BACKUP FUNCTION FOR ADJUSTMENT VALUE)

When the DIGITAL Assy is to be replaced, adjustment values can be copied from the backup EEPROM to the EEPROM
of the Assy for service.
D
Command
Effective
Format
Operation Modes
[FAJ]
[UAJ]
During FAY
[CBU]
E
[BCP]
F
110
1
2
Operation
Function
Modes
DRIVE OFF
DRIVE ON (default)
Operation
Control
Modes
Adjustment command is valid.
Adjustment command is invalid.
Operation
To make the status of the EEPROM on the DIGITAL
Assy "adjustment completed" and copy the data to the
EEPROM for backup
To make the status of the EEPROM on the DIGITAL
Assy "adjustment not completed"
To make the status of the EEPROM on for backup
"adjustment not completed"
To copy the backup data from the EEPROM for backup
to the EEPROM on the DIGITAL Assy
2
3
If a command is issued in Standby mode, and the unit is left
unoperated for more than 10 seconds, the command will become void.
For details, refer to the section "6.1 [3] FUNCTIONS WHEN
ENTERING THE SERVICE FACTORY MODE".
Control
PDP-5020FD
3
4
Remarks
Remarks
Remarks
This takes at least 350 msec.
Only the status is changed, and the real data
are not erased.
Only the status is changed, and the real data
are not erased. However, if the status of the
EEPROM on the DIGITAL Assy is
"adjustment completed," the data in the
EEPROM of the DIGITAL Assy will be copied
to the EEPROM for backup upon POF.
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