Figure 9-118.Uhf (450-527 Mhz) Controls And Switches Schematic Diagram - Motorola HT Series Detailed Service Manual

UHF Band 2 Circuit Board/Schematic Diagrams and Parts List (PCB 8486686Z01)
MECH_SWB+
if
LI_ION B503
B504
VOL
SB1
SB2
P100
SB3
RF_JACK
J101
RF_JACK
1 if
4
2
GND
3
L116 C141
16.28nH 8.2pF
J102
ANTENNA_NUT
CR160
5
TAB5
2 4
TAB2 TAB4 A1 K1
1 3
TAB1 TAB3 A2 K2
A3 K3
C140
NU
RTA3
RTA0
RTA1
RTA2
UNSWB+
BATT_CODE
F501
24V
S502
SWITCH
1 2
4 5
TAB2
7
1
VR439 C503
C502 CR501
TAB1
10V 100pF
0.47uF 6
2
3 1
R507
0
6.8V C505
VR501 100pF
Vdda
PB501
SWITCH
2 1
IN OUT
VR440
C521
6.8V
.01uF
PB502
SWITCH
2 1
IN OUT
VR441
C522
6.8V
.01uF
PB503
SWITCH
2 1
IN OUT
VR442
C523
6.8V
.01uF
PB504
SWITCH
2 1
PTT EMER
IN OUT
C520
VR444
.01uF
6.8V
Vdda
SWB+
R505
Q502
IMX1 10K
4 1
2 5
RED_LED
R506
Q505
47K
3 6
GREEN_LED
R501 R502
680 180
CR503
1 3
2 4
S501
SWITCH
1 PC0
2 PC1
4 PC2 8
PC3 DUMMY
C0 C0
C1 C1
GND GND1
7 9
C511 C512 C513 C514
100pF 100pF 100pF 100pF
RADIO_CODE
BATTERY_CONTACT
L505
B501
390nH
2
DATA
1
NEG
3
BATT+
POS
BATT- CONN_J
VR506
6.8V
PB505
SWITCH
2 1
IN OUT
VR443
6.8V
Figure 9-118. UHF (450-527 MHz) Controls and Switches Schematic Diagram
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