Sony SCD-1/777ES Service Manual page 46

• MAIN BOARD IC711 CXD1095R (EXPANDER)
Pin No. Pin Name
1 AK1
2 AK2
3 MON3
4 MON4
5 MON5
6 MON6
7 MON7
8 VSS
9 WADCE
10 TEST
11 WMGC0
12 WMGC1
13 SHR RST
14 SHR MUTE
15 SHR LT
16 —
17 NC
18 FWON
19 MD2
20 MUTE
21 ARP RST
22 DFCT
23 VSS
24 VDD
25 NORF
26 LOCK
27 FIL SET
28 D0
29 D1
30 D2
31 NC
32 NC
33 D3
34 D4
35 D5
36 D6
37 D7
38 XCLR
39 XDIS
40 VSS
41 XWR
42 XRD
43 XCS
46
I/O
O
O
O
O
Monitor signal output terminal Not used (open)
O
O
O
—
Ground terminal
O
Watermark signal output to the RF AD (IC708)
O
Test signal output to the DSD decoder (IC703)
O
RF gain control for watermark signal output to the RF AD (IC708)
O RF gain control for watermark signal output to the RF AD (IC708)
O
Reset signal output to the DSD decoder (IC703)
O
Mute signal output to the DSD decoder (IC703)
O
Latch pulse signal output to the DSD decoder (IC703)
O Not used (open)
—
Not used (open)
O
FWON signal output to the ARP (IC702)
O
CD-TX mute signal output to the ARP (IC702)
O
CD-DA mute signal output to the ARP (IC702)
O
Reset signal output to the ARP (IC702)
I
DFCT signal input from the ARP (IC702)
—
Ground terminal
—
Power supply terminal (+5V)
I
NORF signal input from the ARP (IC702)
I
Lock signal input from the ARP (IC702)
Filter select signal input from the STANDARD/CUSTOM switch (S173) "L":CUSTOM "H"
I
:STANDARD
I/O
I/O
Two-way data bus with the CPU (IC701)
I/O
—
Not used (open)
— Not used (open)
I/O
I/O
I/O
Two-way data bus with the CPU (IC701)
I/O
I/O
I
Clear signal input terminal (pull up)
I
Reset signal input from the ARP (IC702)
—
Ground terminal
I
Strobe signal input from the CPU (IC701)
I
Strobe signal input from the CPU (IC701)
I Chip enable signal input from the CPU (IC701)
Description
"H":active