10
1-6. Location of Sensors and Their Functions
(1)
(2)
(5)
(7)
(4)
(6)
(3)
Location No. Part Name
Function
1
OP position sensor (0 side)
Detects position of the optical block assembly.
2
OP position sensor (1 side)
Detects position of the optical block assembly.
3
REC INH sensor
Detects status of the recording prohibition tab of the cartridge.
4
Cartridge DOWN sensor
Detects down position of the cartridge.
5
Cartridge IN sensor
Detects insertion of the cartridge.
6
Cartridge type sensor
Detects type of the inserted cartridge (single-layer disc to
quad-layer disc).
7
Angular speed sensor
Detects angular speed applied to the optical block.
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 ...