Motorola GP series

UHF2 PCB 8485641Z02 Schematics 4-5
DEMOD
LVZIF_SEL
RSSI
16.8MHz
CLK
DACRx
DATA
Vdda
Vdda
RX_IN RX_INJ
R5
RECEIVER
DATA
CLK
DACRX
DEMOD
RSSI
LVZIF_SEL
16.8MHz
RX_INJ
SWB+
TX_INJ
Vdda
FGU
16.8MHz
4V_3.3V
5V
CLK
CSX
DATA
LOCK
MODIN
R5
CSX
4V_3.3V
SWB+
LOCK
MODIN
5V
DATA
RESET
RX_IN TX_INJ
UNSWB+
TRANSMITTER
5V
CLK
CSX
5VUNSWB+
RESET
B503
B504
LI_ION
C505
100pF
R507
0
C502
0.47uF
VR501
6.8V
1
5
HIGH
32
SWITCH
S502
4
LOW
Vdda
VOL
MECH_SWB+
100pF
C503
VR506
6.8V10V
VR439
L505
390nH
24V
21
F501
2
CR501
1
BATT_CODE
UNSWB+
BATT –
BATT +
RADIO_CODE
BATTERY_CONTACT
CONN_J
B501
2
DATA
1
NEG
3
POS
PB501
12
SWITCH
.01uF
C521
6.8V
VR440
SB1
12
PB502
SWITCH
C522
.01uF
VR441
6.8V
PB503
SB2
C523
.01uF
6.8V
VR442
SWITCH
PB504
12
12
SWITCH
VR444
6.8V
PTT
SB3
6.8V
VR443
12
SWITCH
PB505
.01uF
C520
EMER
47K
R506
Q505
R505
10K
Vdda
GREEN_LED
IMX1
5
1
6
2
4
3
SWB+
RED_LED
Q502
680
R501
180
R502
4
13
CR503
2
RTA0
RTA1
RTA2
RTA3
100pF
C514
100pF
C513
100pF
C511
100pF
C512
SWITCH
S501
GND GND1
PC3
PC2
C0
C1
PC0
PC1
8
4
C0
C1
1
2
79
ZMY0130015-A
UHF2 (450-527 MHz) Controls and Switches