EN 68
10.
Circuit Diagrams and PWB Layouts
10-1-29
B, AUDIO AMPLIFIER
19580_110_140313.eps
14-03-26
AUDIO AMPLIFIER
B
B
2014-02-14
1
715RLPCB000000037
MTK UHD 50 Hz
7800
VS
GND
IN
MT1
MT2
+3V3
SPDIF-OUT
+12V-AUDIO
PVDD
SPDIFO
C001D
100nF
16V
LINEINL
LINEINR
SOFTMUTE
CPM
CPP
MCLK
BICKI
LRCKI
SDI
RESET
PWDN
SDA
SCL
SA
TESTMODE
VCC_REG
VCC2
VCC1
VDD_REG
HALFVDD
VDD3V3
VDD3V3CHP
VDDDIG1
VREFFILT
VDDDIG2
OUT2B
OUT2A
OUT1B
OUT1A
F3XL
F3XR
LINEHPOUT_L
LINEHPOUT_R
FFX3A
FFX3B
EAPD|FFX4A
TWARNEXT|FFX4B
INTLINE
VSS
GND2
GND1
GND_REG
GNDA
CPVSS
GNDPSUB
GNDDIG1
AGNDPLL
GNDDIG2
GND_HS
RES
C016D
100nF
16V
STA381BWS
49
47
35
29
25
23
20
12
9
4
2
42
33
32
31
30
19
18
15
14
10
7
6
3
48
34
28
27
22
13
11
8
5
1
46
45
44
43
41
40
39
38
37
36
26
24
21
17
16
U002D
C030D
1uF
6,3V
6,3V
1uF
C031D
C017D
100nF
16V
16V
100nF
C018D
PVDD
6,3V
C039D
100uF
+3V3
C040D
16V
100nF
C041D
100uF
6,3V
I2S-MCLK
I2S-BICKI
I2S-LRCKI
I2S-SDI
SDA-SSB
SCL-SSB
1uF
C034D
C035D
1uF
R022D
11,8K
11,8K
R023D
HPHOL
HPHOR
R026D
10
RES
R005D
5%
1K
PWRD
RES
1K
5%
R006D
+3V3
2,2K
5%
R027D
16V
100uF
C049D
C050D
100uF
16V
C051D
100uF
16V
16V
100uF
C052D
R028D
5%
2,2K
2,2K
5%
R029D
R030D
5%
2,2K
PVDD
RES
4V 100uF
C037D
R008D
5%
1K
6
3
1K
5%
R008D
5
4
S002D
16V
22nF
C058D
3
2
1
X274
C059D
22nF
16V
S003D
RES
C038D
100uF
4V
F002D
F003D
F004D
I002D
I003D
C003D
100uF
16V
16V
100uF
C004D
C006D
100uF
16V
16V
100uF
C007D
12V PVDD Only
LSPK+
LSPK-
RSPK+
RSPK-
BAS
+3V3
R004D
5%
10K
R039D
6,8K
R003D
2,2K
C005D
100uF
16V
U004D
2
3
1
+3V3
R007D
5%
10K
U005D
2
3
1
+3V3
R047D
180K
U006D
2
3
1
4,7K
5%
R046D
S009D
RES
S010D
S011D
S012D
+12V-AUDIO
PWRDN-HP
PWRD
D006D
D007D
D008D
PWRDN-HP
6,3V
1uF
C062D
1K
5%
R040D
AUDIO-RESETn
C025D
10uF
25V
25V
10uF
C026D
C043D
10uF
25V
25V
10uF
C044D
50V
220nF
C019D
C020D
220nF
50V
50V
220nF
C021D
C022D
220nF
50V
50V
220nF
C023D
50V
220nF
C024D
C068D
330pF
50V
R013D
5%
18
C069D
330pF
50V
R014D
5%
18
C070D
330pF
50V
18
R015D
5%
50V
330pF
C071D
5%
R016D
18
C072D
10nF
50V
50V
10nF
C073D
C074D
10nF
50V
50V
10nF
C075D
50V
10nF
C076D
50V
10nF
C077D
PVDD
+3V3
S017D
S018D
F005D
F006D
F007D
R056D
5%
2,7
2,7
5%
R057D
R058D
5%
2,7
2,7
5%
R059D
50V
220nF
C063D
C064D
220nF
50V
C065D
220nF
50V
50V
220nF
C078D
S023D
S024D
HPHOL
HPHOR
S005D
I001D
X273
5
4
1
3
2
R033D
1
C029D
100pF
50V
F001D
50m
S001D
S004D
50m
S006D
S007D
S008D
S013D
I008D
I009D
I010D
I011D
I012D
I014D
I015D
I017D
I019D
I020D
I021D
F008D
F009D
F010D
F011D
F012D
F013D
F014D
F015D
F016D
C079D
1uF
6,3V
RES
RES
AUDIO-AL0
AUDIO-AR0
C080D
1uF
C081D
1uF
R011D
11,8K
11,8K
R012D
RES
RES
C042D
100nF
16V
S020D
50m
50m
S021D
C055D
1uF
6,3V
C056D
1uF
6.3V
C057D
1uF
6.3V
RES
RES
RES
RES
R021D
47
47
R020D
RES
C045D
100nF
16V
16V
100nF
C054D
RES
C066D
100nF
16V
RES
16V
100nF
C067D
RES
C046D
100nF
16V
RES
16V
100nF
C053D
C047D
100nF
16V
C048D
100nF
16V
C033D
100nF
16V
RES
RES
16V
100nF
C032D
L003D
22uH
22uH
L002D
L001D
22uH
22uH
L005D
RES
RES
X070
4
5
6
3
2
1
TYPE
TYPE
TYPE
3
2
1
X001D
1
2
3
5
4
X072
50m
S044D
50m
S045D
S046D
50m
50m
S047D
S048D
50m
S049D
50m
50m
S036D
S037D
50m
50m
S038D
50m
S039D
50m
S040D
S041D
50m
50m
50m
S042D
S043D
R002D
8
1
33
5%
R002D
7
2
33
5%
R002D
6
3
33
5%
R002D
5
4
33
5%
C086D
330pF
50V
50V
330pF
C085D
C087D
68pF
50V
50V
68pF
C088D
HPHOR
HPHOL
R050D
16K
R051D
16K
R025D
16K
16K
R024D
X002
5
4
3
2
1
EMC
I004D
I005D
I006D
I007D
I016D
I018D
I022D
I023D
I024D
I025D
I026D
I027D
I028D
I029D
I030D
I031D
I032D
F017D
TYPE
3
4
X002D
2
1
DBG
DBG
C089D
1uF
25V
25V
1uF
C090D
R010D
10
PWRD
AUDIO-RESETn
S014D
50m
R001D
10
TYPE
X073
4
5
6
3
2
1
TYPE
DBG
X003D
4
3
2
1
RES
RES
RES
RES
RES