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5
AUDIO pre-ap
-IN1_4558
39k
39k
R286
R286
AMP-LIN
100p/50V
100p/50V
C162
C162
R288
R288
47k
47k
D
C168 2.2u/10V
C168 2.2u/10V
R291
R291
33k
33k
C172
C172
R294
R294
AUOUTL0
2
AUOUTL0
10k
10k
2.2u/10V
2.2u/10V
C290
C290
R422
R422
200p/50V
200p/50V
220k
220k
C173
C173
1n/50V
1n/50V
CLOSED TO MSD309,GROUND IN THE MIDDLE OF THE L/R
C181
C181
R297
R297
AUOUTR0
2
AUOUTR0
10k
10k
2.2u/10V
2.2u/10V
C291
C291
R423
R423
C184
C184
200p/50V
200p/50V
220k
220k
1n/50V
1n/50V
5VAIN
HEADPHONE
R301
R301
47k
47k
C
VD3
VD3
R302
R302
10k
10k
1
XS16
XS16
3
R
R
4
WR
WR
2
WL
WL
1
L
L
5
GND
GND
C193
C193
100n/16V
100n/16V
0R
0R
R313
R313
2
AUOUTL1
B
R318
R318
C200
C200
220k
220k
200p/50V
200p/50V
0R
0R
R333
R333
2
AUOUTR1
C204
C204
R334
R334
220k
220k
200p/50V
200p/50V
Near MST.IC
Ground in the middle of the L/R
A
5
4
-IN2_4558
39k
39k
R287
R287
AMP-RIN
100p/50V
100p/50V
C163
C163
R289
R289
47k
47k
+12V
6VBuf1
OP_VCC1
R290
R290
100R/0603
100R/0603
R292
R292
OP_VCC1
33k
33k
C170
C170
C171
C171
N16
N16
100n/16V
100n/16V
100u/16V
100u/16V
1
8
AMP-LIN
OUT1
VCC
2
7
-IN1_4558
AMP-RIN
-IN1
OUT2
3
6
-IN2_4558
+IN1
-IN2
4
5
VEE
+IN2
BA4558FAZ4558CM
BA4558FAZ4558CM
-IN2_4558
2
PWD_MT
1N4148W
1N4148W
C191
C191
22u/16V
22u/16V
L16
L16
10.0 uH
10.0 uH
EARPHONE_ROUT
EARPHONE_ROUT 2
C192
C192
22u/16V
22u/16V
L17
L17
10.0 uH
10.0 uH
EARPHONE_LOUT
EARPHONE_LOUT 2
R305
R305
R306
R306
R303
R303
R304
R304
200R
200R
200R
200R
1k
1k
1k
1k
C195
C195
C196
C196
10u/16V
10u/16V
10u/16V
10u/16V
CLOSED TO MSD309
+12V
R309
R309
VCC-OP2
100R
100R
C197
C197
R310
R310
100u/16V
100u/16V
1k
1k
C198
C198
LINEOUTL 5
V17
V17
1
MMBT3904LT1
MMBT3904LT1
2.2u/10V
2.2u/10V
R321
R321
330R
330R
放大倍数=R310/R321
0R/NC
0R/NC
R326
R326
VCC-OP2
R330
R330
1k
1k
C203
C203
LINEOUTR 5
V20
V20
1
MMBT3904LT1
MMBT3904LT1
2.2u/10V
2.2u/10V
R335
R335
放大倍数=R330/R335
330R
330R
0R/NC
0R/NC
R336
R336
4
3
Power Ampifier
C164 470n/50V
C164 470n/50V
C165 470n/50V
C165 470n/50V
C167 470n/50V
C167 470n/50V
PGND
5VAIN
PGND
N17
N17
R293
R293
10k
10k
1
VSA1
2
STBYL
MUTEL
3
MUTEL
AMP-LIN
4
C175
C175
1u/16V
1u/16V
INA1
C176
C176
1u/16V
1u/16V
5
R395
R395
0R
0R
PGND
INB1
6
GND
注意：PGND与AGND在功放PIN6
C178
C178
10u/16V
10u/16V
7
AVCC
脚附近接地，并且尽量靠近PIN6脚
C182
C182
1u/16V
1u/16V
8
INB2
AMP-RIN
C183
C183
1u/16V
1u/16V
9
INA2
5VAIN
C185
C185
10u/16V
10u/16V
10
R2A15120FA
R2A15120FA
VREF
R300
R300
47k
47k
11
PROT
12
VSA2
C186
C186
470n/50V
470n/50V
PGND
C188
C188
R307
R307
0R/NC
0R/NC
470n/50V
470n/50V
R308
R308
0R/NC
0R/NC
PGND
MUTE Function
MUTE
Power Off Mute
R311
R311
0R
0R
+12V
VD6
VD6
R314
R314
0R/NC
0R/NC
VD5
VD5
VCC-A
R315
R315
BAV99LT1
BAV99LT1
VD4
VD4
1k/NC
1k/NC
R317
R317
0R/NC
0R/NC
5VAIN
1N4148W
1N4148W
R322
R322
1k
1k
R323
R323
47k
47k
R325
R325
47k
47k
VD8
VD8
MMBT3906LT1
MMBT3906LT1
V18
V18
1N4148W
1N4148W
VD9
VD9
R327
R327
0R/NC
0R/NC
2
3
1
2
PWD_MT
1
2
R331
R331
R332
R332
1N4148W
1N4148W
VD10
VD10
1N4148W
1N4148W
22k/NC
22k/NC
C202
C202
100k
100k
100u/16V
100u/16V
0: Normal
1:
VD11
VD11
MUTE_AMP
1
2
2
MUTE_AMP
Shutdown
1N4148W
1N4148W
3
2
L13
L13
22.0 uH
22.0 uH
C166
C166
470n/50V
470n/50V
C169
C169
PGND
470n/50V
470n/50V
L14
L14
22.0 uH
22.0 uH
36
C174
C174
VSB1
35
470n/50V
470n/50V
NC4
PGND
34
22k
22k
R295
R295
ROSC
PGND
33
120k
120k
R296
R296
VCC-A
RLMT
32
VD
31
C177
C177
10u/16V
10u/16V
C179
C179
DVDD
C180
C180
30
PGND
220u/25V
220u/25V
220u/25V
220u/25V
RREF
29
CLK
28
0R
0R
R298
R298
GAIN1
PGND
PGND
27
0R
0R
R299
R299
GAIN2
26
NC3
25
VSB2
C187
C187
470n/50V
470n/50V
PGND
L15
L15
C189
C189
22.0 uH
22.0 uH
470n/50V
470n/50V
C190
C190
470n/50V
470n/50V
PGND
L18
L18
22.0 uH
22.0 uH
C194
C194
470n/50V
470n/50V
PGND
Power On Mute
C199 100u/16V
C199 100u/16V
R312
R312
0R
0R
+12V
R316
R316
0R/NC
0R/NC
VCC-A
R319
R319
100k
100k
R320
R320
0R/NC
0R/NC
5VAIN
VD7
VD7
R324
R324
10k
10k
R424
R424
V19
V19
MUTEL
R328
R328
47R
47R
1
C201
C201
R329
R329
1k
1k
4.7k
4.7k
MMBT3904LT1
MMBT3904LT1
10u/16V/NC
10u/16V/NC
2
1
D
XP8
XP8
L+
1
L-
2
R-
3
R+
4
C
B
Q1
Q1
RSAG7.070.178
RSAG7.070.178
A
深圳市高新区南区科技南十路国际技术创新研究院C座4楼
深圳市高新区南区科技南十路国际技术创新研究院C座4楼
深圳市高新区南区科技南十路国际技术创新研究院C座4楼
TEL:0755-26996895
TEL:0755-26996895
TEL:0755-26996895
FAX:0755-26996830
FAX:0755-26996830
FAX:0755-26996830
Title
Title
Title
AUDIO
AUDIO
AUDIO
Size
Size
Size
Document Number
Document Number
Document Number
Rev
Rev
Rev
1.0
1.0
1.0
Date:
Date:
Date:
Thursday, December 30, 2010
Thursday, December 30, 2010
Thursday, December 30, 2010
Sheet
Sheet
Sheet
7
7
7
of
of
of
10
10
10
1
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