13
D
VR 50 - Re
v
. 011105-2
Components having special characteristics or critical for safety are
identifi ed by
mark and must be replaced with components
specifi ed by the manufacturer.
Schematic diagram is subject to change without notice.
1
2
3
4
5
A
B
C
D
E
F
Schematic diagram - Audio board 3/10
13
+3.3VD
+3.3VD
DAC_DATA
DAC_LRCLK
DAC_MCLK
G ND
LINEOUTL
LINEOUTR
+3.3V
/RESET
DAC_SCLK
/A_RESET
A_GND
Connection between analog and digital ground is done here.
R406
3K3
R408
10K
+
C407
1uF/50V
R405
560R
Q402
2N3906
R410
3K3
+
C405
10uF/16V
R409
10K
C410
100nF
Q403
2N3904
R411
10K
+
C409
1uF/50V
L402
BEAD
Q401
2N3904
R401
10K
R412
Not Mounted
+
C402
10uF/16V
Q404
2N3904
C404
1.5nF
R402
560R
U401
CS4340
RST
1
SDATA
2
SCLK/DEM
3
LRCK
4
MCLK
5
DIF1
6
DIF0
7
DEM0
8
FILT+
9
VQ
10
REF_GND
11
AOUTR
12
AGND
13
VA
14
AOUTL
15
MUTEC
16
L401
BEAD
R407
3K3
C408
100nF
R403
3K3
C406
1.5nF
R404
10K
+
C403
10uF/16V
R413
10K
C401
100nF
L403
BEAD