Arcam DiVA AVR200 - Arcam AVR200 IC Block Diagrams; AC3 Board IC Block Diagrams

SURROUND SOUND RECEIVER
AA
AA
VV
VV
RR
RR
22
22
00
00
00
00
- 41 -
IC BLOCK DIAGRAM
AC3 BOARD
U101: 74HC151
1D3
2D2
3D1
4D0
5Y
6W
7ST
16 V
CC
15 D4
14 D5
13 D6
12 D7
11 A
10 B
8GND
9C
12
11
10
9
S7
13
S6
14
S5
15
S4
1
S3
2
S2
3
S1
4
12
13
14
15
1
2
3
4
7
ST
6
W
5
Y
S0
S7
S7
A
S6
S6
S5
S5
S4
S4
S3
S3
S2
S2
S1
S1
S0
S0
B
C
AC3 BOARD
U102: 74HC157
4
1Y
7
2Y
9
3Y
12
4Y
15
1
G
13
4B
10
3B
6
2B
5
2A
3
1B
2
1A
11
3A
14
4A
A/B
1A/B VCC16
21A G15
31B 4A14
41Y 4B13
52A 4Y12
62B 3A11
72Y 3B10
8GND 3Y9
AC3 BOARD
U104, U109, U116,
U129, U134: NE5532
AMPLIFIER 1
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
V –
AMPLIFIER 2
V +
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
1
2
3
4
8
7
6
5
+ – – +