Sony SCD-XA9000ES Service Manual page 87

• MAIN BOARD IC904 ISPLSI2032VE-110LT44-SA8 (I/O EXPANDER)
Pin No.
Pin Name
1
SI_SEL
2 ZEROL
3
FS64
4
FS128
5
YO
6 VCC
7
XBSCAN
8
TDI
9
XCS
10 XRD
11
XWR
12 to 16
D0 to D4
17
GND
18 TDO
19 to 21
D5 to D7
22
A
23
CDPDSW
24 RST
25
RST_DSD
26
RST_DP
27
TCK
28 VCC
29
XRESET
30
TMS
31
RST_DVD
32 RST_CD
33
VMOD
34
MULTI
35
SDEN
36
ISBTEST
37
AMUTE
38
LMUTE
39
GND
40
GOE
41
ZEROR
42
ZDFL
43
ZDFR
44
LIM_SW
I/O
Serial data selection signal output for SIN_DSD (rk pin of CPU)
O
"L": DSD decoder serial data, "H": DSD digital signal processor serial data
I L-ch zero data flag detection signal input terminal Not used
O
Clock signal (2.8224 MHz) output terminal Not used
O
Clock signal (5.6448 MHz) output terminal Not used
I
Clock signal (11.2896 MHz) input terminal Not used
— Power supply terminal (+5V) (digital system)
—
Not used
—
Not used
I
Chip select signal input from the CPU
I Read strobe signal input from the CPU
I
Write strobe signal input from the CPU
I/O
Two-way data bus with the SACD decoder and the CPU
—
Ground terminal (digital system)
— Not used
I/O
Two-way data bus with the SACD decoder and the CPU
I
Address signal input from the CPU
O
Photo diode for CD on/off control signal output terminal Not used
I Reset signal input from the CPU "L": reset
O
Reset signal output to the DSD decoder "L": reset
O
Reset signal output to the diplay controller "L": reset
—
Not used
— Power supply terminal (+5V) (digital system)
—
Not used
—
Not used
O
Reset signal output to the SACD decoder "L": reset
O Reset signal output to the digital signal processor "L": reset
O
Photo diode on/off control signal output terminal "H": photo diode on
O
Multi/2ch selection signal output terminal Not used
O
Serial data enable signal output to SACD/CD RF amplifier
O
Output terminal for disc inspection mode to DSD decoder
O
Front and 2ch audio muting on/off control signal output terminal "L": muting on
O
L-ch muting on/off control signal output terminal Not used
—
Ground terminal (digital system)
—
Not used
I
R-ch zero data flag detection signal input terminal Not used
I
Front L-ch zero data flag detection signal input terminal Not used
I
Front R-ch zero data flag detection signal input terminal Not used
I
Detection signal input from limit in switch The optical pick-up is inner position when "H"
SCD-XA9000ES
Description
87