Read Sony CDX-747X Service Manual online
34
CDX-747X
Pin No.
Pin Name
I/O
Description
96
SAVE SW
I
Save end detect switch (SW2) input terminal
“L”: When completion of the disc save operation
“L”: When completion of the disc save operation
97
LOAD SW
I
Chucking end detect switch (SW1) input terminal
“L”: When completion of the disc chucking operation
“L”: When completion of the disc chucking operation
98
LIM SW
I
Sled limit in detect switch (SW3) input terminal
“L”: When the optical pick-up is inner position
“L”: When the optical pick-up is inner position
99
RW SEL
O
CD-ROM/RW selection signal output “L”: CD-ROM, “H”: CD-RW
100
RAMA4
O
Address signal output to the S-RAM Not used (open)
*1 elevator motor (M104) control
STOP
ELEVATOR
UP
ELEVATOR
DOWN
BRAKE
ELVF (pin 4)
“H”
“L”
“H”
“L”
ELVR (pin 3)
“H”
“H”
“L”
“L”
Mode
Terminal
*2 chucking motor (M103) control
STOP
LOAD
CHUCKING
SAVE
BRAKE
LOADF (pin 5)
“H”
“L”
“H”
“L”
LOADR (pin 6)
“H”
“H”
“L”
“L”
Mode
Terminal
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