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IC BLOCK DIAGRAM
74LVC245
DSP BOARD: U1002, U1003, U1014
74VHC245
KEYBOARD: U209
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
W27C020
DSP BOARD: U1007
31
PGM
CONTROL
CE
22
24
OE
A0
DECODER
A17
VCC
GND
VPP
CS4360KZ
DSP BOARD: U1026
1
20
VCC
2
19
G
3
18
B1
4
17
B2
5
16
B3
6
15
B4
7
14
B5
8
13
B6
9
12
B7
10
11
B8
Q0
OUTPUT
BUFFER
Q7
CORE
ARRAY
74LVQ574
DSP BOARD: U1008, U1009
(1)
OE
EN
(11)
CK
C1
(2)
D0
1D
(3)
D1
(4)
D2
(5)
D3
(6)
D4
(7)
D5
(8)
D6
(9)
D7
NJM5532
DSP BOARD: U1010~U1013, U1023 & U1028
MULTI-CHANNEL: U6104~U6107
PRE-OUT BOARD: U609~U613
ISC FRONT BOARD: U8101
ISC SURROUND BOARD: U8102
1
- +
2
3
4
44
(19)
Q0
(18)
Q1
(17)
Q2
(16)
Q3
(15)
Q4
(14)
Q5
(13)
Q6
(12)
Q7
8
A
7
B
+ -
6
5
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