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6-4-8. OPTICAL BLOCK, LASER
This menu is used to check the laser in optical block assembly.
Menu hierarchy
[CHECK]
→
[OPTICAL BLOCK]
→
[LASER]
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.
Procedure
Perform operation according to the instructions on the window.
After “INSERT DISC” appears, insert the cartridge.
The result is displayed.
Display example [OK]
LASER
CHECK START?
OK: SET KEY
EXIT: MENU KEY
LASER
CHECKING...OK
EXIT: MENU KEY
Summary of Contents for PDW-U4
Page 7: ...4 Frame Wiring 151 Revision History 152 ...
Page 24: ...21 Hold the shaded portions Keep away a screwdriver Objective lens Actuator ...
Page 155: ...152 Revision History Date History Contents 2020 10 1st Edition 9 932 764 01 ...
Page 156: ...PDW U4 SY PDW U4 CN J E 9 932 764 01 Sony Corporation Printed in Japan 2020 10 08 2020 ...