Sony HCD-X1V Service Manual page 95

MAIN BOARD IC621 BH2210FV-E2 (CHANGER CONTROLLER1)
Pin No. Pin Name
1 CTLIO
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 VSS
28 VCC
I/O
I
Input/output selection signal input terminal "L": input, "H": output Fixed at "L" in this set
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
Not used
I
Disc insert detection signal input from the disc insert detect sensor
I Disc in (8/12cm) detect switch input terminal "L": play position
I
Disc in (12cm) detect switch input terminal "L": play position
I
Stocker in/out detect switch input terminal "L": 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 controller2
O
Serial data transfer clock signal output to the changer controller2
O Serial data output to the changer controller2
I
Serial data input terminal Not used
O
Not used
O
Stocker motor drive signal output terminal
O
Mode motor drive control signal output terminal
O
Roller motor drive control signal output terminal
O
Serial data output to the changer controller2
I
Serial data input from the system controller
-
Ground terminal
-
Power supply terminal (+3.3V)
Description
"L": reset
HCD-X1V
95