Motorola EM200 Serie Manual De Servicio página 103

4-14
B+
C5000
C5061 C5084
1n 100.n 120.p
IF504
1
FILT_SW_B+
R5000
0.
C1085 C1096 C1132 C1128
39.p 39.p 39.p
39.p
BATT_SENSE
EMERGENCY_ACCES_CONN
R5036
EMERGENCY_SENSE
47.K
VR503
3.3
Come from Pin GCB2 of ASFIC
DC_POWER_ON
D3_3V
R5035
Q504
ONOFF_SENSE
47.K
Smart Fuse Circuit
IGNITION
Circuitos de CC y de audio UHF1 (403-440 MHz) (hoja 1 de 2)
L120
1019447
SOURCE C1113
C1097 C1088
FILT_B+
L500 120.p 39.p 39.p
1019447
U501
LM2941T
4
VIN VOUT
2
ON_OFF ADJ
R5038
C5086 C5067 C5085
VR500 C5060 C5083 C5001
22.n 28.0 1n 100.n 120.p 22.n 10.u 33.K
TP500 Spacer for TO-220
FILT_SW_B+
TEST_POINT
M6
C5094
220.p
U514
On /Off for ATE
TP555
1
TEST_POINT
R5031
62.K
R5028
100.K
R5050
13.K
C5062
VR504 D502
100.n C5063
C5092
3.3
220.p
100.n
R5020
FILT_B+ R5029
150.K 100.K
Q502
R5030
Q506
33.K
R5062
R5049 10.K
C5037
15.K
TP556 100.n
TEST_POINT
D511
Q505
R5069
10.K
C5119 R5037
10.u 10.K
Indirect
DNP
C5104 S5010
Audio
10.u SWITCH
Volume
D3_3V
50.K
R5071
2.2K
R5079
D500 100. VOL_INDIRECT
Place near uP
C5035
100n
FILT_B+
R5074
1.K
VR501 R5073
R5039 R5048
5.1
D513 1.K
100.K 24.K
R5082 R5083
51.K 270.K
Q500
Q503
DNP DNP
C5038 C5110
R5089 R5085
100.n 1.n
1.M 1.M
C5111
1.n
1
IF502
COMP_B+
IF503
1
C1114
C1098
9V
120.p 39.p
9.3V POWER SUPPLY 9.3V
5
1
R5081
6.34K C5005 C5015 C5074 C5095 C5096 C1087
120.p 220.p 220.p 39.p
1% 100.u 100n
R5001
1.K
C5115
1%
6.8p
DNP
R5093
220.K
DNP
R5092 DNP
100.K
DNP 2
DEMOD
3
5V
DNP
DNP C5113
220.p
R5095
200.K
DNP DNP
R5096
C5114
100.K
1.u
U503
5V
LP2951C
SOURCE
5V RF Regulator
5V TO LVFRACN
8
1
INPUT OUTPUT
7
5
FEEDBACK ERROR
3
2
SHUTDOWN SENSE
6
5V_TAP R5002
10.M
GND
C5042 C5064
4
1u 120.p DNP
DNP
C5006 C5016 C5068 C5040
10.0u
100n 120.p 100.n
3.3V RF REGULATOR
3V
SOURCE
U508
MC33269D
3 2
IN OUT
C5043 C5066
C5008 C5018 C5070
1u 120.p
10.0u 100n 120.p
3.3v Digital REGULATOR 3.3v digital
D3_3V
U510
LP2986ILDX
4 5
INPUT OUTPUT
8 7
SHUTDOWN ERROR
6 2
SENSE FEEDBACK
3 9
TAP NC
C5041
C5065
GND
C5017 C5069 C5007
2.2u 120.p
1
100n 120.p 47u
DNP
D501
FILT_B+
DNP
R5103 DNP
DNP
24.K C5120
VR502 47u
3.9
Esquemas eléctricos de la tarjeta de circuito impreso 8486684Z01 1-25 W UHF
SOURCE
IF505
1
9V
C1034 C1122 C1123 C1124 C1125 C1127
39.p 39.p 39.p 39.p 39.p 100.u
R5097
C5117
0. 16.p
DNP
R5099
100.K
DNP
5V
U500 DNP
U500
8 LM2904
LM2904
DNP
1 6 8
C5118
DNP
7
100n
R5094
4
5
R5100
1.M 4
1.M
DNP
C5116
220.p
DNP
R5098
0.
5V
9V
For mid_band
5V_CH
DNP
C5039
C5019 R5052
R5078
100.n R5077
100n 10.K
100.
300.
R5053
R5076 10.K
C5009
3.3V to IFIC, ASFIC
C5010
10.0u
510.
10.0u
3V
R5054
C5047
EXTERNAL_MIC_AUDIO_ACCESS_CONN
10.K
100n
R5070
2.2K
RESET
R5047
R5075
SOURCE 0.
510.
D3_3V
DNP
VS_MIC
C5102
100n
VS_AUDIO_SEL
VSTBY
MIC_AUDIO_CH
C5045
1.u
C5071
120.p
VAG=4.5v
VAG
C5011
10.0u
3V
DNP
R5084
C5103
100.n 0.
DNP
USE NLAS4599
MAX4599EXT
U515
4 NC
5
COM
6
IN 1
NO