Onkyo TX-SR601/E Service Manual page 49

IC BLOCK DIAGRAMS AND DESCRIPTIONS
BD3812F(Audio Sound Processor)
1ch input
AGND1
Analog ground
2ch input
AGND2
Analog ground
(-)Power supply
AGND3
Analog ground
(+)Power supply
CY7C1019BV/CV33-15VCT(128KX8 static RAM)
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
CE
WE
OE
IN1
1
2
IN2
3
4
VEE
5
6
VCC
7
INPUT BUFFER
512X256X8
ARRAY
POWER
COLUMN
DOWN
DECODER
Page 49
14
OUT1
1ch output
13
OUT2
2ch output
12 SEL
Serial data select
11 DGND
Comparator ground
10 MUTE
Mute
9
DA
LOGIC
Serial data
8 CL
Serial clock
A0
A1
A2
I/O
0
A3
CE
I/O
1
I/O0
I/O1
I/O
2
Vcc
Vss
I/O
3
I/O2
I/O3
I/O
4
WE
I/O
A4
5
A5
I/O A6
6
A7
I/O
7
TX-SR601/E
Top View
1 A16
32
2 A15
31
3 A14
30
4 A13
29
5 OE
28
6 I/O7
27
7 I/O6
26
8 Vss
25
9 Vcc
24
10 I/O5
23
11 I/O4
22
12 A12
21
13 A11
20
14 A10
19
15 A9
18
16 A8
17