Puxing PX-2R Schematics

1 2 3
PX2R-LCD
E
C161
104P
37 24
S11 S24
38 23
S10 S25
39 22
S9 S26
40 21
S8 U525 S27
41 20
S7 S28
42 S6 HT1621 S29 19
43 S5 S30 18
44 S4 S31 17
45 S3 COM3 16
46 15
S2 COM2
47 14
S1 COM1
48 13
S0 COM0
L526
3V
101T
C526 C527
R526
104P 10uF/16V
100R
R527
NC
D
LCD_DATA
LCD_WR
LCD_CS
BATTI
3V
BAT T O
R547 R546 R542 R541 C541
10K 10K 100K 100K 103P
R512
10K
U541
24C32
8 1
Vcc A0
7 2
WP A1
6 3
CK A2
5 4
DA GND
T546
R544
C546
DTC114EE
R545 100R
NC
100R
R548
10K
BATTI
J3
RX D
R511
R551 R552
C
1K
560R 560R
D551 D552
GREEN RED
49
R75/SEG21
50
R76/SEG22
51
R77/SEG23
52
COM3
53
COM2
T551 T552 54
COM1
55
DTC114EE DTC114EE COM0
56
R25/AN5
57
R24/AN4
58
R23/AN3
59
R22/AN2
60
R21/AN1
61
R20/AN0
62
CAPH
63
J9 CAPL
64
R01/EC0
R555
R01
150K
J8
R557
SW10
10K
C557
R556
104P
150K
L511 J5
VDD
100NH
BATTI
C512 C513
C511
R561 R562 R563 R564 R565 R566
470P 103P
104P
B
470R 470R 470R 470R 470R 100R
L512
101T
D561 D562 D563 D564 D565 D566
LED LED LED LED LED
U531
T567 R567
DTC114EE 1K
C531 R3111Q271A
3 2
NC VDD
C567
102P
4 1
GND Out
R572 R574
R571 R573
R515
10K 10K 10K 10K C515
100K
104P
3 2 1
6 5 4
MR 9 8 7
ENT VFO 0 MENU
A
1 2 3
4 5 6
T161
2SA1362
3T 3T
C163
R161 R163
10K 10K 104P
R162 C162 R164 C164 R152 C152 C145 R145
5K6
470P 22R 103P 470P
10K 4.7uF/16V 47K
L151
T165 R151 C151 C144 R146 R144
18nH NC 470P 470P 100K 33nH
DTC114EE
R153
C165
22K
470P
C155 C147
C149
L148
33P 18P
18P
0R
T151 T141
C148
2SC3356 2SK3078
NC
BATTI
3V
R513 P-RX P-RX
10K
TX _RF
CTC/CDS _DET
CTC/CDS _DET
VOX _DET VOX _DET
RDA1845_PDN
LCD_DATA RDA1845_EN
LCD_WR RDA1845_CLK
LCD_CS RDA1845_SDA
FM_DATA FM_DATA
RV221
FM_CLK FM_CLK
50K
R222
D222 C236 C235
RLED
RT222 22K B9 102P 104P
GLED
10K
CTC/CDS OUT
SQ
CR241 C754
C222
12.8MHz
180P 103P
4 3
GND Xtal
2 1
GND Xtal
C241
15P
C243
32
R60/SEG8 15P
31
R57/SEG7
30
R56/SEG6 C251
29
R55/SEG5
28 104P
R54/SEG4
27
R53/SEG3
26
U511 R52/SEG2
25 R252
R51/SEG1 C253 C252
24 820K R251
TMP47 R50/SEG0
23 104P 103P
R37
22 NC
R36
21
R35 R253
20 R278
R34
19
R10/PWM1 82K 1K R279
18
R07/INT 1 470P
17
RESET
T278
2SK1824
R271
1K
C272
473P
J4
J6 TX D C273
NC
GND
CR521
4.0MHz
R324 R323
C521 C523
NC NC
22P 104P
C522
J2
22P
R537 RESET
C537
47K
103P
C324
T535 C323
104P
NC 10uF/16V
R531 13
AVDD
14
470K GND
15
R OUT
16
L OUT
R532 R325 17
C532 C325 GND
1K 18
0R 104P DVDD
104P
D531 J7
PTT/RX D
C326
104P
R327 R326
U331
0R 1K
RDA5802
P-FM
P-AMP
AFO
CHG_DET
TX D
DIAL_DATA
DIAL_INT
PTT/RX D
KEY_IN4
KEY_IN3
4 5 6
7 8 9
3T 3T
BATTI BATTI BATTI
R138
47K
L132
C136
L143 C138 L137 101T
C143 C134 C135
103P 27nH
101T 470P
470P 470P 1uF
C137 R139 R137
L142 R142 C142
L129
470P 100K 100R C131 C132 C133
1R0 NC 470P
04/15/8T
104P 103P 470P
T131
RFM03U3CT
L130
L141
C140 HL04/12/2T
2.2nH
220P
C141 C139 C157 C130 C129 C128 C120
C158
27P
NC 4P 5P 30P 30P 12P 12P
BATTI
3V
P-RX
T216
DTA114YE
C215
0R
T217
DTC114EE
R216 C216
220R 103P
C218 R215
1 30 C217
NC NC 56K
2 29
CT S_IN PABIAS 15P 3P
3 28
SQ/GPO3 AVDD
4 27
AVDD NC L217 T351
5 26 C214 L213 C212
IN1 U251 RFOUT
6 25 47nH
IN2 AVDD 15P 04/15/4T 10P DTC114EE
7 RDA1845 24
AVSS NC
8 23
XT AL2 RFIN
9 22
XT AL1 NC
10 21
NC NC T215
C234
100P 2SC4226 L212
C213
D215
NC
HSC277
L231
101T
R237
4R7
C230
C238 C237 R263 R262
104P
100P 104P
1K8 470R
C263 C262
4.7uF/16V 104P
C233
C232 C231
C264 104P
100P 10uF/16V
683P
R264
MIC
330R
C265
473P
C271
104P
T311
DTA114YE
3V
R312 C312
330R 103P
L313
C314 C313 C311
C317
100nH
103P 10P
470P 52P
CR331
32.768KHz
R314 L317
100nH
C318
100K C315
6 52P
XT AL
5 47P
GND
4
LNAP
3
RF GND
2
LNAN
1
GND
T315
2SC4226
L316
C316
47nH
68P
P-FM
P-AMP
AFO
CHG_DET
TX D
DIAL_DATA
DIAL_INT
PTT/RX D
KEY_IN4
KEY_IN3
7 8 9
10 11 12
R123
120R
C116 C114 C112
L121
C122 1P5 2P4 3P
470P 220nH
ANT111
ANT-2
C124 D122 C118
470P HVC131 470P L116 L114 L112
04/15/4T 04/15/4T 04/15/4T
L111
L211 C111
C121 C117 C115 C113 1R0
D121 4P 5P NC
04/12/4T 3P
5P
HVC131
D212
C211
D211
HSC277 2P
HSC277
D931
NC
U931
RP103N331D-TR-F
4 3
NC CE
2
Gnd
3V
5 Out Vin 1
E932 E931
C932
10uF/16V
103P 10uF/16V
BATTI
C351 C352
10uF/16V 103P
SP351
SP
R354
U351
10K
LM4871
1 8
SD Vo2
2 7
Bypass Vss
3 6 5
+in VDD
4 5 1
- in Vo1
2
3
C353
4
105P R355 6
7
JK351
100K
ST-303
C356
R356
2K2
105P MIC
TX D
MIC261
RX D
C261
MIC
3K3
BATTI
AFO
SW921A
SW-3
R593 R594
47K 47K
R357
C357
10R 470P
C593 C594 J1
103P 103P
BATT
L921 C911
BATTO dai lai
R918
101T
10K
1
2
C924 C923 C922
C921
T918 470P 103P 102P
JK911
10uF/16V
DTC114EE R919
DC00960-B
4K7
R586
1K
SW586
C586
R592 PTT
102P
1K
PX2R
R587
SW587
1K
C587
MONI
102P
R588
Schematic Diagram
1K SW588
C588
CALL
102P
Drawing By Lv Wei Jun PXDZ 20100511
10 11 12
13 14 15
JP921
BATT
1 1
STAT 充电状态输出 充电时为高电平 充满时为低电平
( , .)
2 2
VDD
3 3
GND
4 4
T916
JP915 R916
DTA114EE
JP4 10K
R911
47K
U911
BQ24088
10 1
OUT VDD_IN
9 2
BAT T MR
R918
8 3
3 NC T S ST AT 1_R
7 4
2 PG ST AT 2_G
6 5 C915 C916
1 ISET VSS
10uF/16V 4.7uF/16V
JP911 R912 R913 R914 R915
C911
C BC-R78-03-001 D921 82K
47K NC 1K2
10uF/16V RB520S-30
PX2R01-09
13 14 15
E
D
C
B
A