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GRUNDIG Service
DSP-Platte / DSP Board
+3V3
R135
4360–CS
0
C31
R136
MCU–CDIN
1u/50V
0
R137
C32
MCU–CLK
0
100nF
DGND
11
12
13
14
U10
10
RST
Control Port
Interploation Filter
Volume Control
1
VLS
Mixer
Interploation Filter
Volume Control
5
SCLK
Mixer
Interploation Filter
Volume Control
6
LRCK
Mixer
2
SDIN1
Interploation Filter
Volume Control
Mixer
3
SDIN2
Interploation Filter
Volume Control
4
SDIN3
Mixer
Interploation Filter
Volume Control
7
MCLK
Mixer
VD
GND1 GND2 VA
8
9
CS460
C30
+3V3
100nF
L5
C29
2500
47u/25V
22
DGND
AGND
K7
3
R34
MCLK
7
MCLK
33R
C26
00
L33
10P
DSP–SCLK
600
24
C27
0
10P
DSP–LRCK
C28
R28
10P
XMT958
0
R29
0
DGND
AGND
R25
SCLK
3
SCLK
33
R26
LRCK
7
LCLK
CS5333
33
SDATAN2
4
SDATA
8415–CS
R27
33
92003–CS
MCU–CLK
R36
CU–CDIN
4360/5333–RST
4360–CS
0
SCLK
LRCK
15–EMPH
D–CDOUT
DGND
INTREQ
4360/5333–RST
MCU–A15
MCU–A16
MCU–A17
R32
R30
1K
1K
R33
1K
DGND
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C51
C45
10u/50V
1u/50V
C40
1u/50V
C39
C46
100nF
100nF
AGND
C52
10u/50V
R142
0
15
28
25
18
16
FILT+
17
External Mute Control
VQ
L–IN
27
AOUTA1
DAC
Analog Filter
R–IN
26
AOUTB1
DAC
Analog Filter
C49
SL–IN
24
AOUTA2
DAC
Analog Filter
10u/50V
SR–IN
23
AOUTB2
DAC
Analog Filter
C–IN
20
AOUTA3
DAC
Analog Filter
SW–IN
19
AOUTB3
DAC
Analog Filter
21
22
C50
+5VA
C33
10u/25V
100nF
L46
C34
2500
47u/25V
C47
10u/50V
100nF
C41
C42
1u/50V
C43
100nF
C44
1u/50V
C48
10u/50V
AGND
DGND
13
AINR
U4
14
AINL
4558
8
VCC
U6
10u/50V
C38
GND
10u/50V
C125
4
C37
C126
100nF
100nF
AGND
+3V3
R39
XMT958
INTREQ
U5
33
1
SDATA
R40
SCLK
2
DEM/SCLK
Q4
33
3
LRCK
R41
LRCK
4
MCLK
33
CS4334
R42
MCLK
33
DGND
R59
R67
R82
U8
3
+
2
12K
470
470
–
4558
AGND
R60
C59
C75
R86
C92
15K
1000P
1000P
2K4
220P
C82
R98
1000P
12K
AGND
U8
R51
R68
R83
5
+
12K
470
470
6
–
4558
AGND
R52
C60
C76
R87
C93
1000P
1000P
220P
15K
2K4
C83
R99
1000P
12K
AGND
R55
R65
R80
U7
3
+
1
470
2
470
–
4558
AGND
R56
C57
C73
R88
C90
1000P
1000P
220P
2K4
C80
R96
1000P
12K
AGND
R57
R66
U7
R81
5
+
6
470
470
–
4558
AGND
C58
C47
R58
R89
C91
1000P
1000P
2K4
220P
C81
R97
1000P
12K
AGND
R61
R63
R78
U6
3
+
2
470
470
–
4558
AGND
R62
C55
C71
R90
C88
1000P
1000P
2K4
220P
C78
R94
1000P
12K
AGND
R53
R64
R79
U6
5
+
6
3K9
470
470
–
AGND
4558
C56
R54
C72
R91
C89
4K7
1000P
1000P
2K4
220P
C79
R95
1000P
12K
AGND
+8.0V
+8.0V
+8.0V
4558
4558
8
8
VCC
VCC
U8
U7
GND
GND
AGND
4
4
-8.0V
-8.0V
-8.0V
AGND
AGND
U9
AGND
3
+
R69
R85
R92
2
–
4558
1K2
4K7
6K8
C95
C152
220P
3u3/50V
R150
R102
10K
AGND
8
AOUTL
+5VA
10K
R152
270K
7
VA
100nF
6
AGND
C124
5
C67
AOUTR
C68
10u/50V
10u/50V
DGND
AGND
R84
R93
4K7
1K2
R151
C153
3u3/50V
R149
270K
10K
AGND
2 - 19
XENARO AVR 4300 DD
C100
R114
L–OUT
1
10u/50V
1K
0 OHM
AGND
0 OHM
0 OHM
0 OHM
0 OHM
R115
C101
R–OUT
7
DGND
1K
10u/50V
AGND
R112
C98
SL–OUT
1K
L–OUT
10u/50V
R–OUT
SL–OUT
AGND
SR–OUT
C–OUT
R113
C99
7
SR–OUT
1K
10u/50V
SW–OUT
AGND
AGND
R110
C96
1
C–OUT
1K
10u/50V
AGND
R111
7
C97
SW–OUT
1K
10u/50V
AGND
+8.0V
4558
8
VCC
+5VD
U9
GND
4
-8.0V
AGND
DGND
R121
10uF/50V
150
C117
10u/50V
R122
C105
1
+5VA
150
C118
10u/50V
AGND
R144
1K
+2V5
+3V3
AGND
C168
AGND
2700P
U9
AGND
5
C112
+
7
R103
6
–
10u/50V
4558
6K8
C102
22P
DGND
AGND
R116
10K
L13
L41
L42
L43
L44
AGND
P4
1
2
3
4
5
6
7
8
9
10
11
P3
1
–15V
2
+15V
3
+5VD
4
DGND
5
AL–IN
6
DGND
7
AR–IN
8
+5VA
9
AGND
10
BL–OUT
11
AGND
12
BR–OUT
13
+2V5
14
+3V3
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