Cinterion DSB75 - Figure 57: Schematic Sheet 7 - Audio Interface

DSB75 Development Support Board Rev. B1 Hardware Description
Confidential / Released

DSB75_hd_v12 Page 94 of 96 2008-08-26
1
L733 L732 L731 L730
X502
600R/100MHZ 600R/100MHZ 600R/100MHZ 600R/100MHZ
2 1 3 4
GND
GND
GND
R737
2K2
10N
C739
C738 C736 C735
C737
C734
10N
1N
1N
47N
47N
2K2
R734
GND GND
5V0_I
100N C733
R735 R736
100N C740
6R8 6R8
47K
47K
R733
R732
S731
12 3
AGND
AGND_I
MICP1_I
EPP1_I
EPN1_I
MICN1_I
EPP2_I
EPN2_I AGND_I
MICN2_I
MICP2_I
100N
2N2
C705
C701
R707
R705
6R8
6R8
600R/100MHZ
L705
C702 100U
C700
2N2
L704
L703
600R/100MHZ
600R/100MHZ
2K2
2K2
R704 R703
R702
5K6
600R/100MHZ
600R/100MHZ
L702
L701
C D
E
F
G
B
A
EPP1 EPP2
EPN1 EPN2
MICP2 MICP1
MICN2
MICN1
MICP2_I MICP1_I
MICN2_I MICN1_I
EPN1_I
EPP1_I
EPN2_I
EPP2_I
1 1 1 1 1 1 1 1
2 2 2 2 2 2 2 2
3 3 3 3 3 3 3 3
S713 S714 S715 S716 S717 S712 S711 S710
321 45 678910
GND
X703
USC6 USC5 USC4 USC3 USC2 USC1 USC0
VDD
5V0
DAI
7 6 5 4 3 2 8 9
10
F
E
D C
B A
R731 R730
4K7 4K7
C732
C731
C730
10U
10U 100N
S730
2
3
1
VMIC
VMIC_I
VMIC_I
GNDGNDGNDGND
5V0
5V0_I
C753
C752
C751
100N
100U
100U
R750 R751 100R 100R
100N
C750
GND
GND
ZJYS51R5-2PT
L700
SG1
6V6
5V0
Siemens AG
06.07.2004
DATE
USER
APPR'D
DSB75 B1
TOP HIERARCHY LEVEL
SCHEMATIC
1:1
sheet7
15141312111098765
4
321
LUMBERG 12 POL
12-POLIG
U = 6,6 V
Iin=500mA
POWER SUPPLY
X700
R701
4K7
R700
10K
GND
X710
3
2
1
AUDIO
1 2 3 4 5 6 7 8 9
10 11 12 14 13 13
12-POL
1
X701
2 3 4 5 6 7 8 9
10 11 12 14
Figure 57: Schematic sheet 7 – audio interface