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JVC RM-RE9000 Service Manual page 6

System controller
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RM-RE9000
Description of major ICs
MN101CP117(IC101) : System controller
1.Pin layout
44
34
33
1
11
22 23
12
2.Pin function
Pin
Symbol
No.
Key input 8
KY13
1
Rotary output 1
2
ROT1
3
Rotary output 2
ROT2
ROT3
Rotary output 3
4
ROT4
5
Rotary input 1
6
ROT5
Rotary input 2
Rotary input 3
ROT6
7
GND
8
N.C
9
N.C
GND
10
VOL1
Volume input 1
11
Volume input 2
VOL2
12
AD
AD input
13
2.0V~5.0V Supply
VDD
14
OSC2
clock output
clock input
15
OSC1
0.0V
16
VSS
17
NC
Serial output data
18
SDATO
19
Blight adjustment
BRI
Serial clock
SCLK
20
Key input 1
21
KY1
Remocon output
RMOUT
22
1-6
Function
I/O
I
O
O
O
I
I
I
I
I
I
I
I
O
I
O
O
O
O
O
Pin
Symbol
No.
23
7segment circuit clock 1
CK1
24
LATCH1
7segment circuit latch output 1
RST1
7segment circuit latch reset 1
25
SIN1
26
Output data 1
WAKE
Wake
27
KY2
Key input 2
28
KY3
Key input 3
29
30
KY4
Key input
KY5
Key output 1
31
Key output 2
KY6
32
CK2
LED circuit clock 2
33
LED circuit latch output 2
LATCH2
34
LED circuit reset 2
35
RST2
SIN2
LED circuit data output 2
36
37
KY7
Key output 3
KY8
38
Key output 4
39
RST
Reset
MMOD
GND
40
KY9
41
Key output 5
Key input 5
KY10
42
43
KY11
Key input 6
Key input 7
KY12
44
Function
I/O
O
O
O
O
I
I
I
I
O
O
O
O
O
O
O
O
I
I
O
I
I
I

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