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– 89 –
1-6
LED3-LED8
O
LED driver output
7
VSS
–
Ground
8
X-OUT
O
X’tall (8MHz)
9
X-IN
I
10
RESET
I
Reset signal input from main controller
11
LED 9
O
12
LED10
O
Connected ground
13
TEST
I
14-19
LED11-LED19
O
LED driver output
20
VOL-A
I
Rotary encoder (S701 VOLUME) pulse input
21
DOOR SW
I
DOOR SW (S651) ON/OFF signal input
22
JOG-A
I
Rotaly encoder (S711 AMS) pulse input
23
CLOCK
I
Serial clock input from main controller
24
DATA
I
Serial data input from main controller
25
LED SELECT
O
LED select signal output
26
MODEL
I
Version select signal input
27-30
KEY1-KEY4
I
Key input
31
SPEANA-3
I
Connected ground
32
L + R
I
Spectrum analyzer (high frequency) input
33
SIRCS
I
Remote commander signal input
34
VOL-B
I
Rotary encoder (S701 VOLUME) pulse input
35
JOG-B
I
Rotary encoder (S711 AMS) pulse input
36
SPEANA-1
I
Spectrum analyzer (Low frequency) input
37
SPEANA-2
I
Spectrum analyzer (Middle frequency) input
38
VASS
–
Ground
39
VAREF
I
Analog reference voltage input
40
VDD
–
Power supply (+5V)
41
—
–
Not used
42-56
GR1-GR15
O
FL gride signal output
57-77
SEG1-SEG77
O
FL segment signal output
–30V driving power for FL
LED driver output
Pin No.
Pin Name
I/O
Function
PANEL BOARD IC601 TMP87CH74 (DISPLAY CONTROL)
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9
2
8
9
4
2
9
8
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9
9
2
8
9
4
2
9
8
0
5
1
5
1
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6
7
3
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