Ic Block Diagram - NAD T 762 Service Manual

IC BLOCK DIAGRAM

74LVC245
DSP BOARD: U1002, U1003, U1014
74VHC245
KEYBOARD: U209
DIR 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
W27C020
DSP BOARD: U1007
31
PGM
CE 22 CONTROL
24
OE
A0
DECODER
A17
VCC
GND
VPP
CS4360KZ
DSP BOARD: U1026
74LVQ574
DSP BOARD: U1008, U1009
20 VCC
19 G
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
NJM5532
DSP BOARD: U1010~U1013, U1023 & U1028
MULTI-CHANNEL: U605~U608
Q0
PRE-OUT BOARD: U609~U613
OUTPUT
AUDIO BOARD: U305
BUFFER
ISC BOARD: U801
Q7
CORE
ARRAY
39
(1)
EN
OE
(11)
CK
C1
(2)
D0 1D
(3)
D1
(4)
D2
(5)
D3
(6)
D4
(7)
D5
(8)
D6
(9)
D7
1
A
- +
2
B
+ -
3
4
(19)
Q0
(18)
Q1
(17)
Q2
(16)
Q3
(15)
Q4
(14)
Q5
(13)
Q6
(12)
Q7
8
7
6
5