Sony HCD-H991AV, Руководство по обслуживанию

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6-22. IC PIN FUNCTIONS
• IC500 GRAPHIC CONTROL (ASD0204)
Pin Name I/O Function
1
2 to 9
10
11
12
13
14
15
16
17, 18
19
20
21
22
23
24
25
26 to 29
30 to 33
34
35
36
37
38
39
40
41
42
43 to 45
46
47 to 50
51 to 53
54 to 78
79
80 to 86
87 to 100
–
O
I
O
I
–
I
I
–
O
O
I
O
I
O
I
–
I
I
–
–
I
I
I
I
–
O
O
O
–
O
O
O
–
O
O
+5V
LED drive signal output.
Reset signal input.
Ground
Not used. (Open)
AMS encoder signal input.
+5V
LED drive signal output.
Key select control. (Not used) (Open)
Volume encoder signal input.
Request signal from/to master control.
Serial clock input from master control.
Serial data output to master control.
Serial data input from master control.
Ground
Spectram analizer signal input.
Key matrix input.
Volume encoder signal input.
AMS encoder signal input.
Ready signal from master control.
SIRCS signal input.
Ground
LED drive signal output.
LED select signal output.
LED drive signal output.
+5V
Not used.
LED drive signal output.
Fluorescent indicator tube segment signal output.
–25V for Fluorescent indicator tube
Fluorescent indicator tube segment signal output.
Fluorescent indicator tube grid signal output.
Pin No.
V
DD
LED8-1
RESET
X2
X1
IC (Vpp)
XT2
JOG B
V
DD
LED10, 9
KEY SEL
VOL B
REQ. GM
CLK MG
DATA GM
DATA MG
AV
SS
SPEANA 4–1
KEY 4–1
AV
DD
AV
REF
VOL A
JOG A
RDY MG
SIRCS
V
SS
LED 15
LED SELECT
LED13–11
V
DD
LEDS7–4
LEDS3–1
SEG32–8
V, LOAD
SEG7–1
GR14–1
X’ tal (5 MHz).
+5V
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