Pioneer PDP-4270XA Service Manual page 111

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3. In a case where normal backup data are not stored in the backup EEPROM because
the EEPROM on the DIGITAL Assy is defective, etc., and where manually adjusted
values are to be applied to the product
Note: In this section, it is assumed that settings for various items have been completed, using Factory menu or RS-232C
commands.
(1) Method using the Factory menu
1 Set various setting/adjustment values.
2 Proceed in the following steps.
PANEL INFORMATION
Key Down 7th
ETC. (+)
SET
BACKUP DATA : NO OPRT
DIGITAL EEPROM : NO OPRT
DIGITAL EEPROM : REPAIER
3 Turn the power off.
Note:
When a DIGITAL Assy with an EEPROM in which adjustment data are stored is mounted, this step is not required after
manual adjustment. ("DIGITAL EEPROM: REPAIR" is not indicated.)
(2) Method using the RS-232C commands
Issue the FAJ command.
5
6
Key Down
Right
SET (5 sec)
PDP-427XD
6
7
7
8
A
B
C
D
E
F
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