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A
+15V
C45
0.1uF
+5V1
A A
C48
0.1uF
A
A A
C47
0.1uF
C46
0.1uF
U22
7805
U23
7905
F_BCLK
F_STD
+5V1
+5V1A
1
QA
3
B
2
QB
4
QC
5
QD
6
QE
10
CLK
8
QF
11
QG
12
CLR
9
QH
13
VCC
14
GND
7
U40
74HC164P
A
1
QA
3
B
2
QB
4
QC
5
QD
6
QE
10
CLK
8
QF
11
QG
12
CLR
9
QH
13
VCC
14
GND
7
U41
74HC164P
+5V1 A
1
QA
3
B
2
QB
4
QC
5
QD
6
QE
10
CLK
8
QF
11
QG
12
CLR
9
QH
13
VCC
14
GND
7
U42
74HC164P
LEFT DAC
1A
2
1Y
4
1B
3
2A
5
2Y
7
2B
6
3A
11
3Y
9
3B
10
4A
14
4Y
12
4B
13
A/B
1
G
15
VCC
16
GND
8
U39
74HC157
DATA
21
CLK
18
LE
20
BOC
5
IOUT
6
RFEED
9
RFEED
10
OFFST
4
UB2
23
LB2
24
ACOMM
7
DCOMM
12
-5VA
28
-5VD
11
+5VA
2
+5VD
13
REFDEC
3
SERVO
1
POT
25
NC
8
NC
14
NC
15
NC
16
NC
17
NC
19
NC
22
NC
26
NC
27
U18
PCM63
DAC GAIN
R24
500
C103
100pF
ADAC
TP31
ADAC
B1
4
A
A
A
C32
10uF
C31
1000pF
5%
8
7
11
U19B
5532-SOIC
R116
1k
+5V1
A
+5V1
A
A
-5V1
A
-5V1
A
C40
0.1uF
C33
0.1uF
C39
0.1uF
C38
0.1uF
A
-5V1
A
+5V1
+5V1
A
A
C36
0.1uF
C35
0.1uF
C34
0.1uF
C37
0.1uF
(HIRES)/HIBW
A
+5V1 +5V1
A
H2
2
+5V1
A
1BP0
1BP[0..12]
1BP[0..12]
H4
2
-15V -5V1
F_STD
F_BCLK
+5V1
A
+5V1
+5V1
A
1
2
3
1
4
7
U96A
74HC86P
R390
475
R391
475
HIGH-BW LINES
4
5
6
U96B
74HC86P
DAC GAIN
R18
500
RIGHT DAC
DATA
21
CLK
18
LE
20
BOC
5
IOUT
6
RFEED
9
RFEED
10
OFFST
4
UB2
23
LB2
24
ACOMM
7
DCOMM
12
-5VA
28
-5VD
11
+5VA
2
+5VD
13
REFDEC
3
SERVO
1
POT
25
NC
8
NC
14
NC
15
NC
16
NC
17
NC
19
NC
22
NC
26
NC
27
U15
PCM63
1A
2
1Y
4
1B
3
2A
5
2Y
7
2B
6
3A
11
3Y
9
3B
10
4A
14
4Y
12
4B
13
A/B
1
G
15
VCC
16
GND
8
U38
74HC157
12
13
11
U96D
74HC86P
A
HI-BW LINES
F_FRAME
+5V1
HIGH-RES LINES
+5V1
+5V1
9
10
8
U96C
74HC86P
A
R393
475
XTI
38
XTO
39
LRCI
30
DIN
32
BCKI
33
CLKSEL
34
RST
11
CKDV
37
DOR
23
DOL
25
BCKO
28
WCKO
27
OW20
13
OW18
14
DG
18
CKO
4
FSCO
29
COB
12
VSS2
20
VSS1
40
VDD
21
SYN
7
U16
DF1700SOIC
R392
475
CLOCK AND DATA
ISOLATORS
+5V1
VCC
A
A
C49
0.1uF
C50
0.1uF
A1
1
A2
4
VCC
8
GND
5
C1
2
C2
3
VO1
7
VO2
6
U21
HCPL2430
R32
499
R33
499
F_FRAME
FRAME
12.288Mc 1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U24
74ALS244
B4
D5
D5
C4
C4
1
BCLK
STD
(DSPRST)
(BUF_DSPRST)
A
+5V1
A
C433
0.1uF
VCC
A1
1
A2
4
VCC
8
GND
5
C1
2
C2
3
VO1
7
VO2
6
U20
HCPL2430
R31
499
R30
499
F_STD
F_BCLK
E2
2
F_STD
F_BCLK
F_FRAME
+5V1
+5V1
A
A
A
C22
100pF
C23
10uF
C18
0.1uF
CTRL[0..18]
CTRL14
CTRL[0..18]
H1
2
C105
0.1uF
+5V1
+5V1
A
+5V1
A
A
C16
0.1uF
C15
0.1uF
C14
0.1uF
C17
0.1uF
+5V1
A
A
A
+5V1
A
C12
10uF
A
R115
1k
8
7
11
U13B
5532-SOIC
C102
100pF
C11
1000pF
5%
C21
0.1uF
A
C13
0.1uF
-5V1
A
C20
0.1uF
-5V1
A
C19
0.1uF
BDAC
TP32
BDAC
B4
4
C44
10uF
C43
10uF
+5V1
A
-5V1
C42
10uF
C41
10uF
+5V1
-5V1
-5V1
A
A
C104
0.1uF
A
+5V1
HI-RES.
OVERSAMPLING
FILTER
A
VCC +5D
AM 700
PART OF A5 AUDIO GENERATOR BOARD
3
ANALOG +/-5V FOR DAC
DACS AND CURRENT TO VOLTAGE CONVERTERS
DATA SHIFTER
DATA SELECTOR
CURRENT TO VOLTAGE CONVERTER
CLOCK AND DATA BUFFER
CURRENT TO VOLTAGE CONVERTER
DATA SELECTOR