Sony MDS-M9, Руководство по обслуживанию

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— 53 —
I/O Function
• IC201 System Control (M37610MD-067FP)
Pin Name
Pin No.
I
I
I
I
I
I
I
I
I
O
I
O
O
I
—
I
I
O
—
I
O
—
O
I
O
O
O
O
O
I
I
I
I
I
I/O
O
I
I
I
I
O
1
2
3
4 to 6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26, 27
28
29
30
31
32
33
34
35
36
37, 38
39
40
41
42
43
44
45 to 47
C.SET1
C.SET2
KEY3
KEY 2 to KEY 0
—
XINT
SENS
SHCK
AUBK
S/A
BEEP SW
REC/OTHER
BEEP
F. BIAS/C2
GND (CNVSS)
SYSTEM RST
XIN T
XOUT T
GND
XIN
XOUT
+5V
STB
MIC SW
BUS OUT
—
LED 2
LED 1
LED 0
C1
ADER
NC
MASTER/SLAVE
JOG 1, JOG 0
SDA
SCL
POWER DOWN
REMOCON
SQSY
DQSY
—
Not used in this unit (Fixed at “L”)
Not used in this unit (Fixed at “H”)
Not used in this unit (Fixed at “L”)
Interrupt status input from CXD2536R (IC221)
Internal status (SENSE) input from CXD2535BR (IC121)
Track jump signal input from CXD2535BR (IC121)
Not used in this unit (Fixed at “L”)
Not used in this unit (Opened)
Not used in this unit (Fixed at “L”)
Not used in this unit (Opened)
Not used in this unit (Fixed at “L”)
Ground pin
System reset signal input
“L” is input for several hundreds msec after the power supply activation, then it is changed
to “H”.
Not used in this unit. (Fixed at “L”)
Ground pin
Clock input (8MHz)
Clock output (8MHz)
Power supply (+5V)
Strobe signal output to the power supply circuit. ON: “H”, standby: “L”.
Not used in this unit (Fixed at “L”)
Data signal input/output with the backup memory (IC171)
Clock signal output to the backup memory (IC171)
Power down detection input. Normally, “H” is input.
Remote control signal input. Not used in this unit (Fixed at “H”)
ATP addressing or subcode Q sync (SCOR) input from CXD2535BR (IC121).
“L” is input every 13.3 msec. Normally “H”.
Digital-in U-bit CD format subcode Q sync (SCOR) input from CXD2535BR (IC121).
“L” is input every 13.3 msec. Normally “H”.
Not used in this unit (Fixed at “L”)