5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AUDIO AMP
OFF
ON
MUTE Control
Head Phone
需要注意右声音是否会影响到
MUTE
的控制,
及声音曲线和频响。
最好将
HP_DET
反馈给主芯片,告知主芯片现已
插入耳机,以调整音量曲线。
--2013.07.26
HP_DET
WITHOUT
WITH EARPHONE
靠近
U30
的供电针脚
pin28
。
靠近
U30
的供电针脚
pin15
。
为了软件的声音曲线一致:
当位号
UD3
器件为
TDA3113
和
TDA2113
时,
RD21=10K
,
当位号
UD3
器件为
9108
时,
RD21
为
NC
。当位号
UD3
器件为
3136
时
RD18 10oumu
0 0 20dB ; 1 0 26dB ; 0 1 32dB ;1 1 36dB
AL+
AR+
MUTE
MUTE
HP_DET#
PH_R
PH_L
PH_L
PH_R
HP_DET#
HP_DET
LOUT+
LOUT+
LOUT+
LOUT+
LOUT-
GAIN0
GAIN1
ROUT-
ROUT+
MUTE
AL+
AR+
LOUT#
ROUT#
MUTE#
ROUT-
ROUT+
LOUT+
LOUT-
GAIN1
GAIN0
LOU
T
+
LOU
T
+
LOU
T
+
LOU
T
+
RO
UT-
LOU
T
-
RO
UT+
+12V_Normal
+12V_AMP
+12V_AMP
+3.3V_Standby
+12V_AMP
+12V_AMP
+12V_AMP
+12V_AMP
+3.3V_Standby
+12V_AMP
SPK_R
2
SPK_L
2
AMP-MUTE
2
EARPHONE_OUTR
2
EARPHONE_OUTL
2
HP_DET
2
Title
Size
Document Number
Rev
Date:
Sheet
of
Audio AMP
V1.0
MSD6A538/6586
Custom
12
14
Saturday, February 25, 2017
Title
Size
Document Number
Rev
Date:
Sheet
of
Audio AMP
V1.0
MSD6A538/6586
Custom
12
14
Saturday, February 25, 2017
Title
Size
Document Number
Rev
Date:
Sheet
of
Audio AMP
V1.0
MSD6A538/6586
Custom
12
14
Saturday, February 25, 2017
RD118
100K
QD3
3906
L4
NC/10-4A-0805
RD7
4.7K
FB8
220R-500mA
RD6
20K/NC
FB6
220R-500mA
+
CD11
220uF/16V
CD39
1000PF
CD25
1uF/25V/X5R/0603
LD7 33uH
RD123
4.7K
RD10
6.8K/NC
CD8
220uF/16V
CD33
0.22uF/16V/X5R
CD32
1uF/25V/X5R/0603
QD2
3904
3
1
2
LD5 33uH
CD37
1000PF
C605
1uF/25V/X5R/0603
RD11
10K
CD27 1uF/25V/X5R/0603
CD73
1uF/6.3V/X5R
UD4
9108/TPA3113D2
SD
1
FAULT
2
LINP
3
LINN
4
AGND
8
AVCC
7
GAIN1
6
GAIN0
5
GVDD
9
PLIMIT
10
RINN
11
RINP
12
BSPR
17
OUTPR
18
PGND
19
OUTNR
20
BSNR
21
BSNL
22
OUTNL
23
PGND
24
OUTPL
25
BSPL
26
PVCCL
27
PVCCL
28
PVCCR
16
NC
13
PBTL
14
PVCCR
15
GN
D
29
FB7
贴片磁珠
/220
Ω
-2A-0805
CD77
NC/47nF/6.3V/X5R
DD1
IN4148
CD15 1uF/25V/X5R/0603
JD1
FOR 3113
1
CD29 1uF/25V/X5R/0603
CD74
47nF
FB9
贴片磁珠
/220
Ω
-2A-0805
CD10
1uF/25V/X5R/0603
RD127
1K
CD26
0.22uF/16V/X5R
RD13
22K
CD30
NC/0402
LD8 33uH
RD14
0R
CD22
1uF/25V/X5R/0603
RD4
10K
FB10
贴片磁珠
/220
Ω
-2A-0603
CD23
1uF/25V/X5R/0603
CD31 1uF/25V/X5R/0603
L3
NC/10-4A-0603
CD36
NC/0402
RD23
10K
EC902
47uF/16V
FB11
贴片磁珠
/220
Ω
-2A-0805
RD25
NC/10K
RD8
270K
LD3
贴片磁珠
/10
Ω
-4A-0603
RD24
10K
C607
1uF/25V/X5R/0603
RD5
4.7K
RD9
10K
L2
NC/10-4A-0603
CD75
47nF
RD22
NC/10K
RD18 10R
CD28
1uF/25V/X5R/0603
RD128
1K
CN601
SPEAKER
1
2
3
4
CD16 0.22uF/16V/X5R
L6
NC/10-4A-0603
CD40
1000PF
RD20
10K
QD1
3904
3
1
2
CD76
NC/47nF/6.3V/X5R
LD9
33uH
RD1
47K
J603
ER Audio out
5
4
3
2
1
EC901
47uF/16V
CD20
1uF/25V/X5R/0603
CD24
0.22uF/16V/X5R
RD21 10K
CD38
1000PF