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6-5. REPLACE Menu
This menu is used for OPTICAL BLOCK adjustment, BD BOARD adjustment, and SE BOARD
adjustment.
The loader assembly must be installed to perform this menu.
6-5-1. OPTICAL BLOCK
This menu is used to adjust the offset and gain of the laser driver control signal circuit.
Note
This adjustment is disabled if the loader assembly is removed. Be sure to perform this adjustment with the
loader assembly and the cabinet (U case) installed (the product status).
Menu hierarchy
[REPLACE]
→ [OPTICAL BLOCK]
U4 DRIVE MAINTENANCE
REPLACE
OPTICAL BLOCK
>
OP 0
OP 1
Tool
Cartridge (such as PFD23A and PFD50DLA): Commercially available
Note
Abnormal irradiation of the laser during adjustment may damage the disc. Prepare a cartridge that causes
no problem if damaged.
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