Pin No.
Pin Name
I/O
Function
36
KEY-4
I
37
KEY-5
I
38
EWS STANDBY
O
Not used (open)
39
SIRCS
I
Sircs input from the remote control receiver (IC602)
40
VOL-B
I
Rotary encoder pulse input from the S602 (VOLUME)
41
JOG-B
I
Jog dial pulse input from the S601 (JOG)
42
SPEANA-1
I
43
SPEANA-2
I
44
SPEANA-3
I
45
SPEANA-4
I
46
L+R
I
Spectrum analyzer drive signal input terminal (for high frequency)
47
EWS
SIGNAL/LED18
I
Not used (fixed at “L”)
48
VASS
—
Ground terminal
49
VAREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
50
VDD
—
Power supply terminal (+5V)
51 to 66
GR-1 to GR-16
O
Grid drive signal output to the fluorescent indicator tube (FL601)
67 to 100
SEG-1 to
SEG-34
O
Segment drive signal output to the fluorescent indicator tube (FL601)
Key input terminal (A/D input) (S604 to 616)
TIMER SELECT, CLOCK/TIMER SET, PREV, NEXT, RETURN, SELECT, PLAY MODE,
1/ALL DISCS, DIRECTION, DISPLAY/DEMO, SLEEP, P FILE MEMORY, NON-STOP
Key input terminal (A/D input) (S645 to 654)
POWER,
0
,
)
, DISC SKIP EX-CHANGE, DISC 1/2/3,
p
,
§
OPEN/CLOSE,
·
∏
Spectrum analyzer drive signal input terminal (A/D input)
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9
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9
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9
8
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9
9
2
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4
2
9
8
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1
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7
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