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DRX-2
I SCHEMATIC DIAGRAM
ANALOG: Audio Converter(DAC_ADC)
1
2
6001
IPFAIL
from PS
BAS316
not used
4005
A
F0021
DAOUT
to DIGIO
GND
1900
22
GND
21
DAOUT
B
20
19
18
17
16
F0016
D_IKILL
15
GND
14
F0014
D_PCMCLK
C
13
GND
12
F0012
3046
D_DATA0
F0011
470R
11
D_WCLK
10
GND
F0009
9
D_BCLK
8
GND
7
F0007
A_PCMCLK
D
6
GND
F0005
5
A_DAT
4
GND
F0003
3
A_WCLK
F0002
2
3020
A_BCLK
F0001
1
3V3DD
22R
3.3V
GND
7006
FMN
BC857BW
E
I036
3035
I020
PWONSW
3.2V
from IOV
10K
1.6V
2023
I027
4003
I021
ALADC
from IOA
47u
6.3V
2029
I030
I028
4004
F
ARADC
from IOA
47u 6.3V
1
2
158
U, A models
3
4
3001
2R2
3002
2R2
GND
GND
I003
1 BCK
1.6V
I004
2 WS
1.6V
3 DATAI
1.2V
I006
2.1V
6 SYSCLK
0V
8
MUTE
GND
GND
GND
GND
9 DEEM
3V3DD
10
PCS
3.3V
GND
14 VOL
GND
5V
PDTA124EU
7003
0V
1.6V
VSSA
3V3DD
3V3DD
not used
GND
7009
7008
GND
BC847BW
BC847BW
3045
7010
100K
BC847BW
GND
GND
GND
GND
3018
22R
2017
7005
1.6V
UDA1361TS
47p
not used
8
SYSCLK
GND
3019
14
FSEL
22R
7
PWON
1.6V
I032
I022
1
VINL
1.6V
I014
1.6V
3
VINR
GND
I023
11
BCK
1.6V
I024
12
WS
3039
6
SFOR
10K
3041
GND
GND
GND
10K
3043
22R
3
4
5
6
7
I002
7001
F009
13
4
UDA1334BTS
GND
VDDA
VDDD
DIGITAL
INTERFACE
I001
3009
SFOR0
11
DE-EMPHASIS
4K7
SFOR1
7
1%
INTERPOLATION
FILTER
GND
NOISE SHAPER
GND
GND
GND
I033
VOR
16
1.6V
VSSD
VREF-DAC
15
5
12
1.6V
I011
GND
GND
GND
2011
I008
I009
I012
3024
3027
47K
4K7
10u 25V
1%
1%
3V3DD
3V3DD
2015
3.2V
100n
GND
GND
3.2V
I013
16
9
VDDA
VDDD
CLOCK
VREFP 5
CONTROL
GND
GND
VREFN 4
VREF 2
ADC
GND
1.6V
I018
ADC
DC-CANCEL
FILTER
I019
DIGITAL
DATAO 13
INTERFACE
1.2V
GND
GND
VSSD
VSSA
10
15
I014/I032
GND
GND
A: D D C, 5 5 00mV/Div
1 1 00us/Div
5
6
7
8
9
4006
not used
F008
1001
F007
F006
5001
Bead
T125mA
MRT
5V
5N
I007
3010
3052
100K
3K3
1%
2024
27p
2035
GND
10p
not used
0V
4
MC33078
7002-A
2
0V
4002
1
F010
ARDAC
to IOA, MSP
8
3
GND
3053
3054
100K
3K3
1%
2026
27p
2036
10p
GND
GND
not used
5N
2018
100n
4
MC33078
0V
6
7002-B
4001
0V
7
F011
ALDAC
to IOA, MSP
8
5
100n
2012
GND
5V
ARDAC/ALDAC F F 010/F011
A: D D C, 2 2 00mV/Div
1 1 00us/Div
8
9
1001 A8
4003 E2
1900 B1
4004 F2
2001 A4
4005 A1
2002 A4
4006 A9
2003 A6
5001 A9
2004 B3
6001 A1
2005 B3
6002 B1
2006 B2
7001 A6
2007 B6
7002-A B9
2008 B7
7002-B E9
A
2009 C5
7003 B3
2010 C6
7005 D5
2011 C5
7006 E1
2012 E9
7008 C3
2013 D6
7009 C3
2014 D6
7010 C4
2015 D5
F0001 E1
2016 D4
F0002 E2
2017 D3
F0003 D2
2018 D9
F0005 D2
2019 E6
F0007 D2
2020 E7
F0009 D1
B
2022 B4
F0011 C1
2023 E1
F0012 C1
2024 B8
F0014 C1
2025 D7
F0016 C1
2026 D8
F0021 A1
2027 F3
F006 A8
2028 F4
F007 A8
2029 F1
F008 A7
2031 C3
F009 A7
2033 B7
F010 C9
2034 D7
F011 E9
2035 B8
I001 A7
C
2036 D8
I002 A5
2037 B7
I003 A4
2038 B8
I004 A4
2039 D8
I005 B6
2040 D7
I006 B4
3001 A3
I007 A8
3002 A3
I008 C5
3003 B3
I009 C6
3004 B2
I011 C5
3005 B2
I012 C7
3006 B2
I013 D5
D
3007 B6
I014 E3
3009 A7
I015 D4
3010 A8
I016 D8
3011 B8
I017 E8
3012 B8
I018 E7
3013 B2
I019 E6
3014 C4
I020 E1
3015 D6
I021 E1
3017 D6
I022 E3
3018 D4
I023 E4
3019 D3
I024 E4
3020 E2
I027 E2
E
3024 C6
I028 F2
3026 E3
I030 F1
3027 C7
I032 E3
3029 D8
I033 B6
3030 D8
I036 E1
3034 E2
3035 E1
3039 E3
3041 F3
3043 F5
3044 C4
3045 C3
F
3046 C2
3047 C3
3048 C3
3052 A9
3053 C8
3054 C9
4001 E9
4002 B9
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