Motorola MOTOTRBO XPR 7550e - Figure 7-21. Peripheral Schematic Diagram (1 of 3)

Circuit Board/Schematic Diagrams and Parts List for VHF 7-23
VR4044
C4043
C4046
C4045
R4044
E4044
C4044
SW4044
DC_SW3_1.8V
EMER
21
1
5 4 3
OUT
IN
GND3
GND1
OUT
GND2
IN
2
3A
E4000
R4021
F4020
R4022
VR4020
VR4021
C4024 C4020 C4021 C4022
RAWB+
RAWB+_TP
DC_RAWB+
BATT_DATA
21 21
OUT
OUT
OUT
M4020
C4023
C4025
M4000
3
2
1
1
PIN3
PIN2
PIN1
C4047
R4011R4010
DC_SW3_1.8V
IN
ROTARY_SW4
ROTARY_SW8
OUT
OUT
VR4111
C4013
C4012
C4011
C4010
ROTARY_SW1
ROTARY_SW2
6 4 3 1
5
2
OUT
OUT
K1
K2
K3 K4
A1
A2
R4013R4012
DC_SW3_1.8V
IN
FREQUENCY SWITCH
S4010
ROTARY_SW8
ROTARY_SW4
ROTARY_SW1
ROTARY_SW2
14
13
11
8
5
2
3
6
9
12
1
4
7
10
OUT
OUT
OUT
OUT
NC
A_2
B_4
A_4
GND2
GND1
B_8
A_8
NC2
B_1
NC1
GND4
B_2
A_1
GND3
L4105
VOLUME SWITCH
VR4030
C4030
E4047
C4051
C4052
VHVIO_2.775V_B
VOL
21
OUT
L4104
S4030
ONB_B
2
7 6
3
41
5
HIGH
TAB2 TAB1
LOW
NC
C4050
E4045
ONB_B
C4001
C4049
C4053
E4046
VHVIO_2.775V_B
VR4031
C4033
C4032
C4031
ONB
21
OUT
C4048
DC_LIN_VHVIO_2.775V
IN
RED & GRN LED
R4003
R4001
R4002
D4000
C4005
C4004
C4003
C4006
R4000
LEDGN1
LEDRD1
DC_SW_BP_3.6V
2
1
3
4
IN
ININ
Figure 7-21. Peripheral Schematic Diagram (1 of 3)