NAD T 752 - MAIN BOARD; IC BLOCK DIAGRAM

36
Cutting line for folded page!
TO FRONT POWER AMP
TO TUNER TO MULTI-CH TO PRE-OUT
TO VIDEO 6
TO AUDIO SWITCH
TO SURROUND
POWER AMP
TO S-VIDEO TO DSP
E B C
SS8050
TO COMPOSITE VIDEO
IC BLOCK DIAGRAM
74HC157
DSP BOARD: U1004
1
15
SELECT
STROBE
2
1A
1B
4
1Y
3
5
2A
2B
7
2Y
6
11
3A
3B
9
3Y
10
14
4A
4B
12
4Y
13
74HC251
DSP BOARD: U1071
00
S0
S1
S2
S3
S4
S5
S6
S7
W
Y
STROBE
01
02
03
04
05
06
07
A
B
C
S0
S0
S1
S1
S2
S2
S3
S3
S4
S4
S5
S5
S6
S6
S7
S7
MAIN BOARD
RESISTORS : UNLESS OTHERWISE SPECIFIED ARE CARBON FILM. NOTE: 1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/6W, 5%.
2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V, 10%.