1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
Check
REV
Description
Title:
Size
A2
Number
Revision
Date :
File Name:
Sheet of
Design By :
DATE
Design
Approval
2018/08/31
1
TWPC18P01901
AT03BT MAIN PCB
1
1
*
R300
24K
+10V
+VCC
+12V
2
1
3
4
L300
UH465516-351
C301
0.1uF
C302
0.1uF
1
2
3
JK300
C300
0.1uF
IN
1
o
n
/o
ff
2
OUT
3
A
d
j
4
G
N
D
5
IC300ICNJM2387
12V/0.5A
R301
6.8K
C303
0.1uF
EC300
220uF/16V
EC301
470uF/16V
MT300
鐵片
R302
1K(1206)
R303
10
AGND
MT301
鐵片
R307
10
R304
1K
AGND
AGND
MGND
R305
12K
R306
0(0805)
+12V
D300
4148
D301
4148
+VCC
C307
0.1uF
AGND
EC302
220uF/16V
Q300
4403
R308
100K
R309
100K
8
4
+V
-V
IC301C
NJM8080
MUTE
R310
100K
AGND
AGND
EC303
22uF/25V
1/2VCC
AGND
EC312
10uF/25V
AGND
R332
22K
+VCC
AGND
M
1
2
3
4
5
6
7
8
TE401
1
2
TE400
45
+VCC
AGND
A
B
-
+
A
LINEL
+VCC
C403
0.1uF
LINEL
1
2
3
D302
DAN217
EC304
10uF/25V
R311
1K
R313
56K
1
2
3
D303
DAN217
LINER
M-
M-
B
EC305
22uF/25V
1
3
2
IC301A
NJM8080
R312
330
M+
EC402
220uF/16V
R315
820
AGND
33
R403
510
1
2
S
3
0
0
M+
Q301
2SD2114
AGND
C304
100pF
R316
36K
R317
470K
AGND
D400
4148
AGND
AGND
R314
47K
PHONE IN
input=3mV
C305
2200p
C306
8.2nF
2a
2b
2c
JK301B
MGND
C400
33pF(dns)
R318
3.3K
INL+
R320
100
1/2VCC
R319
220K
AGND
INR+
1
2
S301
5
6
1
2
3
4
SW301
Preamp on/off
AGND
EC306
10uF/25V
AGND
R322
100
MUTE
1a
1b
1c
JK301A
+VCC
C401
0.1uF
R321
220K
AGND
+VCC
R406
10K
AGND
1
2
S302
AGND
+VCC
2700pF
C308
Q400
2SA1036KRM
MGND
EC400
100uF/16V
EC401
10uF/25V
MGND
AGND
2700pF
C309
1
2
3
D304
DAN217
SW11403
EC308
10uF/25V
R323
1K
R327
56K
1
2
3
D305
DAN217
EC309
22uF/25V
7
5
6
IC301B
NJM8080
R325
330
R326
820
R407
4.7K
1
2
S
3
0
3
Q302
2SD2114
R324
3.3K
AGND
C310
100pF
+VCC
C402
0.1uF
Q401
2SD2114
AGND
R330
470K
R331
36K
AGND
AGND
AGND
EC310
10uF/25V
R328
47K
LINER
MGND
MGND
C311
2200p
C312
8.2nF
G
N
D
2
OUT
5
IN
1
EN
3
N.C
4
IC600
TLV70036
Vbus
3.6V
C600
0.1uF
DGND
EC600
10uF/25V
C601
0.1uF
R600
1.5K
DGND
EC601
10uF/25V
C602
0.1uF
5
2
6
1
D600
NUP2201MR6
VCOM
14
AGNDC
11
SEL0
8
HID0
5
D-
2
VOUTR
15
AGNDP
18
XTI
21
TEST0
24
VDDI
27
VINR
13
VINL
12
VCCCI
10
SEL1
9
HID2
7
HID1
6
DGNDU
4
VBUS
3
D+
1
VOUTL
16
VCCP1I
17
XTO
20
AGNDX
22
VCCP2I
19
VCCX1
23
TEST1
25
DGND
26
SSPND
28
IC601
PCM2900C-2
R601
10
R602
22
R603
22
Vbus
C603
1uF
Vbus
1
D-
2
D+
3
GND
4
UGND
5
UGND
6
USB600
B-TYPE 1.1
DGND
UGND
DGND
C604
1uF
C605
0.1uF
DGND
C606
0.1uF
C607
1uF
AGND
C608
22pF
C609
22pF
R604
4.7
R606
1M
C611
0.1uF
R605
12K
R607
10K
C610
330pF
C613
1uF
X600
LINEL
DGND
C612
22pF
EC602
100uF/16V
EC603
10uF/25V
6
5
7
4
IC602B
TL074
R608
10K
EC604
10uF/25V
2
3
1
IC602A
TL074
R609
12K
R610
3.9K
EC605
1uF/50V
R611
100
AGND
C615
1uF
Vbus
AGND
C614
1.8nF
C617
0.01uF
+VCC
C616 0.1uF
R612
10K
AGND
AGND
AGND
EC606
10uF/25V
EC607
10uF/25V
R613
100
R614
10K
2.7V
EC608
47uF/16V
C618
22pF
AGND
AGND
R616
10K
R619
12K
R617
10K
R620
10K
R618
10K
C619
330pF
LINER
EC609
10uF/25V
9
10
8
1
1
IC602C
TL074
R621
10K
C620
1.8nF
EC610
10uF/25V
13
12
14
IC602D
TL074
R622
12K
R623
3.9K
EC611
1uF/50V
R624
100
AGND
AGND
DGND
R333
0
DGND
EC311
100uF/16V
R401
750
R402
820
R404
22(dns)
R408
33K
1
2
3
6
5
4
SW300
MGND
R329
18K
0.549
R615
27K
1
3
2
VR400
1k
R405
0
M09S60T17-4
1
3
2
VR401
500
Vcc
1
C
tr
l
2
G
N
D
3
MOTOR
4
IC400
UTC6652
Vo=Vref*(1+R301/R304)
Vref=1.26V
