Motorola EM200 Serie Manual De Servicio página 98

Esquemas eléctricos de la tarjeta de circuito impreso 8486684Z01 1-25 W UHF
L117
1019447
L115 C1002
18.n 100.p
Q100
GND1
GND2
G
IF111
1
C1081
39.p
4
5
6 8
width 2.032
7.5
DNP DNP
DNP
C1005 C1004 C1009 C1008 C1007 C1021 C1013
36.p 27.p 22.p 12.p 120.p 9.1p 8.2p
R183 R160
100.
3.3K
IF110
1
DET_VFWD
C1101
C1080
R161
20.p
39.p
INTEGRATOR 3.3K
D106
R142
U102
LM2904
7
Current sense protection (option)
FILT_SW_B+_PA
C1073
120.p
Coupler
C1011
L113
39.p
D104
17.n
V_forward
C1023
9.1p
PA_FILT_B+
R185
R103
10K
120.
C1076
13.p
C1035
R104 C1079
120.p
D105
470. 120.p
R172
470.
Q103
R118 R119
100. 100.
U103
MC3303
11
3
C1059
1
120.p
4 2
22.K
R143
22.K
R156
10.K
D102
C1050
120.p
CONTACTS FOR PA CLIP
M4
PLTD_HOLE3_5x7_0_TRIMMED
L111
17.n
C1016
L126 R150
C1026
6.8p
10K
C1020 390.n
6.2p
3.3p
L114
18.n
R108 L108
51.000 390.0n
R107 D103
C1108
51.000
47.p
VR102 C1010 C1006 C1121
5.6
30.p 30.p
5.6p
Q106
R157
56.K
C1078 C1077
C1067 C1130
120.p 39.p 39.p 39.p
R149
22.K
C1047
C1091
10.n
39.p
FLT_9V
R135 R151
43.K 5.6K
PA's Temp. Sensor
U103
R148
MC3303
22.K
R145
4 13
22.K
14
L103
12
1.u
11
C1051
120.p
C1052
120.p
V_REF_OPAMP
Transmisor UHF1 (403-440 MHz) (hoja 2 de 2)
4-9
Antenna Connector
J11-1
1
J11-2
2
J11-3
3
J11-5
G2
J11-4
G1
IF100
1 RX
IF101
1
TX_EN
IF102
1
PWR_SET
RT100
47.0K
73D02968C74-O
SHEET 2 OF 8