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10
C129
C126
470P
105P
L105
101T
C125
C128
L104
470P
103P
1uH
L119
C119
R127
2.2nH
102P
0R
C118
C117
20P
NC
R128
C115
R117
R125
47R
NC
120K
47K
R126
C121
C123
47K
C116
470P
102P
102P
R184
U170B
5
10K
LM2904V
7
6
C113
104P
E180
4.7uF
R183
1M
T181
DTC114EE
+5VT
C176
C218
102P
5P
+5VR
C210
102P
C212
C211
C201
0.5P
C213
0.5P
6P
1P
L207
L208
L206
S32L
18n
S32L
VC202
3-10P
U601B
U601A
5
LM4558
C608
LM4558
R608
223P
1K5
6
1
C605
102P
R607
30K
C609
E602
100P
4.7uF
C612
104P
D601
1SS372
10
11
L107
101T
C132
NC
C131
104P
L106
R123
C136
8T
0R
7P
T107
2SK3476
C135
C130
C140
C141
1P
20P
NC
NC
C174
103P
+B
R171
150K
C173
U170A
471P
C180
R177
LM2904V
3
471P
10K
1
2
C175
101P
R172
R174
150K
150K
R181
R182
R175
R173
220K
47K
150K
150K
R176
NC
R180
R186
R187
NC
47K
18K
APC
C182
R185
C181
104P
T171
39K
103P
DTC114EE
C202
C209
R204
6P
1P
100R
L205
C208
S32L
102P
R203
220K
L204
T201
S32L
3SK299(U72)
R201
R205
C207
C206
180R
100K
102P
102P
+5VC
R602
560R
+5VT
C603
E601
103P
4.7uF
R605
22K
3
C604
C607
R604
273P
R603
C602
223P
C606
100K
102P
18K
471P
2
L601
101T
C601
R606
104P
680K
D602
DAN222
R612
R614
100R
820R
T601
MRF497
E603
2.2uF
R613
1K
MIC MUTE
11
12
+5VT
R139
R154
270R
270R
C143
470P
L109
220nH
D101
C148
C142
HVU131
15P
3P
C138
100P
D201
HSC277
R130
R131
0.33R
0.33R
R132
0.33R
T811
C811
R811
2SB624
103P
10K
+B
R170
150K
C172
NC
R813
RES
P_AMP
C812
104P
E641
10uF
U641
TA7368F
1
10
nc
Pout
2
9
Vcc
PwG
3
8
nc
PreG
4
7
Vin
Phase
5
6
Ripple
NF
C643
100P
R642
150R
C641
E642
220P
10uF
C205
1P
+5VC
TX232
VC201
3-10P
KEY_PTT/RX232
C615
R641
471P
1K
R601
1K
R801
C805
F
103P
+B
D801
1SR145-400
APC
P_AMP
TX232
KEY_PTT/RX232
KEY_MONITOR
+B
12
13
JP101
JPANT
C144
L112
L113
L114
3T
4T
4T
C145
C154
470P
C149
C151
1P
1P
1.5P
L201
C147
C150
C153
4T
1P
5P
3P
R200
0R
D202
C200
HSC277
5P(B)
C203
15P
L203
C204
S32L
L202
3P
S32L
R812
2K2
T812
DTC114EE
E643
100uF
C645
221P
R644
10R
C644
473P
R921
100R
R922
100R
R926
1K
C921
221P
L801
101T
BATT+
BATT-
C804
C803
102P
105P
SCHEMATIC DIAGRAM
PX2903 Revision E03B
13
14
L118
C155
1uH
1.5P
SP
SP
JK621
2.5mm
1
2
3
4
5
L711
101T
JK601
3.5mm
1
2
3
4
5
SW922
ANKEY
PTT
KEY_MONITOR
SW923
ANKEY
MONI
MIC601
MIC
PX2903
14
E
D
C
B
A
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