NAD C 545BEE - IC Block Diagram

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IC BLOCK DIAGRAM
MAIN BOARD
U1: DS1233DZ-5+T&R
MAIN BOARD
U2, U206, U207, IC202: NJM7805FA-#ZZZB
IC203: NJM7812FA-#ZZZB
243
1
GND
GND
VccRESET
OUT
IN
GND
MAIN BOARD
U3: QUAD 2INPUT EXCLUSIVE
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1B
1Y
2A
2B
2Y
GND
V
CC
4B
4A
4Y
3B
3A
3Y
MAIN BOARD
U201: SN74HCU04D (SOP)
11A 14 VAC
21Y 13 6A
32A 12 6Y
42Y 11 5A
53A 10 5Y
63Y 94A
7GND 84Y
MAIN BOARD
U210, U211: OPA2134PA DIP OP AMP
1
BA
2
3
4
Out A
-In A
+In A
V-
8
7
6
5
V+
OUT B
_In B
+In B
+ – – +