Tray Open/Close Signal 1; Tray Open/Close Signal 2 - LG RH4820W Service Manual

5. TRAY OPEN/CLOSE SIGNAL 1

6. TRAY OPEN/CLOSE SIGNAL 2

8.4V
3V
8.4V
3V
OPEN
OPEN
5.8V
5.8V
CLOSE
CLOSE
3-114
/EJECT-KEY
(SW 302 PIN1)
TRAY-CTRL(REF 1.25V)
(IC105 PIN26)
TRAY+(CN104 PIN 1)
TRAY-(CN104 PIN 2)
/EJECT-KEY
(SW 302 PIN1)
TRAY-CTRL
(IC105 PIN26)
/OPEN-SW
(SW301 PIN 2)
/LOAD-SW
(SW301 PIN 1)