Sony HCD-HDX285 Service Manual page 77

HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
SERIPARA BOARD IC001 BH2210FV-E2 (CHANGER CONTROLLER)
Pin No. Pin Name
1 CTLIO
2 RESET_B
3 CLK
4 LATCH
5 to 7 P15 to 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 DI2
27 VSS
28 VCC
I/O
I Input/output selection signal input terminal
I Reset signal input from the system controller "L": reset
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 Main tray open detection switch input terminal
I Sub tray out detection switch input terminal
I Sub tray in detection switch input terminal
I Main tray close detection switch input terminal
I Disc insert detection signal input terminal
O Serial data latch pulse signal output to the audio/video controller
O Serial data transfer clock signal output to the audio/video controller
O Serial data output to the audio/video controller
I Serial data input terminal
O Not used
O Stocker up/down motor drive signal output terminal
O Not used
O Loading motor drive signal output terminal
O Serial data output to the audio/video controller
I Serial data input from the system controller
- Ground terminal
- Power supply terminal (+3.3V)
Description
"L": input, "H": output
"L": main tray is opened
"L": sub tray out
"L": sub tray in
"L": main tray is closed
Not used
Fixed at "L": in this set
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