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5
Amplif ier
D
SD
C
MUTE Circuit
+5V_Normal
+12V_Normal
R411
R412
0R
NC_0R
B
R413
VD401
LL4148
1k
R414
100k
1
AMP_MUTE
A
3
AMP_MUTE
5
4
+12V_Normal
L23
120R/FBI
L1206
+12V_AVCC
C1453
L22
10R
C296
1uF/25V/X5R
L0603
330uF/25V
TIP
C1449
1uF/25V/X5R
R283
C0603
12K
R1459
1
0R
2
AMP_L
C1457
0.22uF/16V/X7R
3
C1455
0.22uF/16V/X7R
4
C1447
0.22uF/16V/X7R
11
AMP_R
C1450
0.22uF/16V/X7R
12
C1459
1uF/10V/X5R
R1465
9
0R
C1458
1uF/10V/X5R
10
R1460
R1464
NC_0R
5
0R
R1458
R0402
6
0R/NC
R0402
R1462
R291
13
100k
NC_100k
R0402
R0402
+12V_AVCC
MUTE
R1461
10K
R0402
1
V411
MMBT3904
CA16
R438
V404
10k/NC
+5V_Standby
+5V_Standby
EN=HIGH: MUTE
MMBT3906
EN=LOW:OPERATING
R1463
R437
R415
+5V_Standby
10K/NC
120K
100k
+3.3V_Normal
R440
NC_0R
R421
4.7K/NC
R6814
12K/NC
R420
1
V406
1
V405
MMBT3904/NC
4.7k/NC
MMBT3904/NC
0: Normal
1：Mute
R6812
10K
MUTE
4
3
+12V_
C1454
C1452
C269
1000pF
1uF/25V/X5R
1000pF
R422
NC_10R
C454
NC_330pF
26
L16
22.0uH_1.8A
SD
BSPL
C271
FAULT
25
0.22uF/25V/X5R
L26
NC_FB_600R_2A
OUTPL
R423
NC_10R
LINP
23
L24
NC_FB_600R_2A
C455
LINN
OUTNL
NC_330pF
22
L25
22.0uH_1.8A
RINN
BSNL
C1448
R424
NC_10R
C456
RINP
0.22uF/25V/X5R
NC_330pF
21
L18
22.0uH_1.8A
GVDD
BSNR
PLIMIT
20
C1451
L27
NC_FB_600R_2A
OUTNR
0.22uF/25V/X5R
GAIN0
18
L28
NC_FB_600R_2A
GAIN1
OUTPR
17
L19
22.0uH_1.8A
BSPR
NC
C294
R425
NC_10R
C457
0.22uF/25V/X5R
NC_330pF
N16
RT9108NZCP
TSSOP-28EP_0-65
R290
0R
C0402
EARPHONE OUT
DC:1.68V AV:670mVpp
SD
3
EARPHONE-OUTL
R416
0R
MUTE
3
EARPHONE-OUTR
AGND
GND
MUTE
3
2
LOUTP
C273
0.47uF/25V/X7R
C1456
0.47uF/25V/X7R
LOUTN
ROUTN
C289
0.47uF/25V/X7R
C291
0.47uF/25V/X7R
ROUTP
LOUTP
4
LOUTN
3
ROUTN
2
XS403
CON4P2.54MM
ROUTP
1
DC:0V AC:570mVpp
load
C1527
220uF/10V/NC
DC:0V AC:670mVpp no-load
AMP_R
C1524
22uF/6.3V/X5R
C1525
22uF/6.3V/X5R
AMP_L
C1526
D845
D846
NC
NC
220uF/10V/NC
GND
2,3,4,5,6,7,8,9,11,12,13,14,15,16
2
1
D
C
P1402
B
5
2
4
3
1
6
7
PJ30910
A
1
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