Optical drive assembly
LDR-35
SE-1004
KY-666
BD-42
System
Drive unit/Sensor
PDW-HD1550
SY-400
LDR-36
SE-1005
Board name
Circuit function
BD-42
Drive main
KY-666
Front panel
LDR-35
Cartridge sensor
LDR-36
Loading position sensor
SE-1004
Angular velocity sensor Cartridge sensor
SE-1005
OP position sensor Cartridge sensor
SY-400
CN-BD connection
1-5