3-15
DRAGON-DAC Limited
7.
BLOCK DIAGRAM
Fig. 7
DIN1
DIN0
XOUT
XIN
DISEL
XMODE
4
3
21
22
48
1
_
+
_
+
_
+
_
+
LOCAL
REGULATOR
LOCAL
REGULATOR
LOCAL
REGULATOR
LOCAL
REGULATOR
LOCAL
REGULATOR
+8(V)
DIG-GND
+8(V)
DIG-GND
-8(V)
+9V
A-GND
-9V
U301,302
DIGITAL
INPUT A
DIGITAL
INPUT B
U303
(RESET IC)
PC501
DC INPUT
12V
REMOTE
GND
DC-DC CONVERTER
VR401
DIGITAL
AUDIO
INTERFACE
RECEIVER
8-TIMES
OVERSAMPLING
DIGITAL FILTER
16
13
14
15
26
24
26
25
DATA L
DATA L
DATA L
DATA R
DATA R
BCK
WCK
DATA R
23
15
DATA
CLK
BCK
LRCK
SF1
27
1
6
2
28
18
17
SF0
U305
LC89055W-RA8
U306
DF1704
4
10
1
U701L
PCM1704U
U703L
PCM1704U
U701R
PCM1704U
U703R
PCM1704U
-VCC
INVERT
-VCC
INVERT
1
14
14
14
24-BIT
D/A
CONVERTER
24-BIT
D/A
CONVERTER
24-BIT
D/A
CONVERTER
24-BIT
D/A
CONVERTER
14
1
4
10
1
34
ERROR
MUTE
Q801L
Q802L
Q801R
Q802R
U702L
NE5534AN
(I/V AMP)
U704L
NE5534AN
(I/V AMP)
U702R
NE5534AN
(I/V AMP)
U704R
NE5534AN
(I/V AMP)
Q805-816L
Q848,849L
Q805-816R
Q848,849R
LCH
OUTPUT
RCH
OUTPUT
