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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]
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.
U4 DRIVE MAINTENANCE
REPLACE
OPTICAL BLOCK
> OP 0
OP 1
Содержание PDW-U4
Страница 7: ...4 Frame Wiring 151 Revision History 152 ...
Страница 24: ...21 Hold the shaded portions Keep away a screwdriver Objective lens Actuator ...
Страница 147: ...144 Frame Assembly 2 310 309 310 309 311 311 311 311 307 306 305 302 308 304 311 306 311 303 301 311 307 ...
Страница 155: ...152 Revision History Date History Contents 2020 10 1st Edition 9 932 764 01 ...
Страница 156: ...PDW U4 SY PDW U4 CN J E 9 932 764 01 Sony Corporation Printed in Japan 2020 10 08 2020 ...