Yamaha ICP1 Service Manual page 27

Q P O
Q Q
3 7 6 3 1 5 1 5 0
DM CIRCUIT DIAGRAM 001
1
2
AND
RESET
3
Detection Voltage
Delayed Time
4
5
6
T E
L 1 3 9 4 2 2 9 6 5 1 3
7
8
9
10
11
w w w
12
4
N M L K
AND
INVERTER
AND
CPU
x a o
. i
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J I H G
N.C.
Q Q
3 7
ASE mode
switch
u 1 6 3
y
28CC1-8832057-1 3
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F E D C
2 4
8 9 9
INVERTER
FLASH ROM
64M
6 3 1 5 1 5 0 8 9
SDRAM
64M
m
c o
XX：not installed（未実装部品）
.
CPU I/F (ROM, RAM, ICF, Reset, Serial)
DM CIRCUIT DIAGRAM 001
B A
2
8 9 ICP1 9
2 4 9 8 2 9 9