Sony HCD-FC8 Service Manual page 104

HCD-FC8/FC9
• DVD BOARD IC902 PT8300R-TP (CHANGER CONTROLLER (MOTOR, SWITCH))
Pin No. Pin Name
1 VSS
2 RESET-B
3 CLK
4 LATCH
5 P15
6 P14
7 P13
8 P12
9 P11
10 P10
11 P9
12 P8
13 LATCHO
14 CLKO
15 DO1
16 DI2
17, 18 P7, P6
19, 20 P5, P4
21, 22 P3, P2
23, 24 P1, P0
25 DO2
26 DI1
27 PULLUP
28 VCC
104
I/O
—
Ground terminal
I
Reset signal input from the system controller
I Serial data transfer clock signal input from the system controller
I
Serial data latch pulse signal input from the system controller
I
Disc insert (8/12cm) detect switch input terminal "L": disc insert Not used
I
Disc insert (12cm) detect switch input terminal "L": disc insert Not used
I
Disc in (8/12cm) detect switch input terminal "L": play position
I
Disc in (8cm) detect switch input terminal "L": play positio n
Stocker in/out detect switch input terminal "L": in the midst disc is moving between play
I
position and stocker except the moment disc in/out from stocker
Disc position detect switch input terminal
I
"L": disc is play position side in the midst disc is moving between play position and stocker,
"H": disc is stocker side in the midst disc is moving between play position and stocker
I
Disc out detect switch input terminal "H": disc out from play position
Stocking detect switch input terminal
I
"H": in the midst disc is moving between play position and stocker
O
Serial data latch pulse signal output to the changer controller (rotary encoder)
O Serial data transfer clock signal output to the changer controller (rotary encoder)
O
Serial data output to the changer controller (rotary encoder)
I
Serial data input terminal Not used
O
Not used
O Stocker motor drive control signal output
O
Roller motor drive control signal output
O
Mode motor drive control signal output
O
Serial data output to the changer controller (rotary encoder)
I Serial data input from the system controller
—
Connected to ground
—
Power supply terminal (+5V)
Description
"L": reset