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Schematic Diagrams, Overlays, and Parts Lists
: UHF Band 2
NU
BATTERY_CONTACT
BATT
BATT+
Q502
C511
100pF
C512
100pF
R506
47K
P100
8.2pF
5.6k
C141
C140
R501
680
180
R502
DATA
2
NEG
1
POS
3
390nH
L505
B501
CONN_J
C523
.01uF
R507
.01uF
C522
B503
0
2
4
3
if
C505
TAB1
6
TAB2
7
2
100pF
S502
SWITCH
4
1
LOW
5
3
HIGH
GND
4
1
2
3
RF_JACK
if
RF_JACK
J101
100pF
C513
PB503
SWITCH
3
G1
G2
4
5
G3
2
IN
1
OUT
VR440
6.8V
C503
100pF
L116
16.28nH
VR501
6.8V
1
PC0
2 PC1
4
PC2
PC3
8
R505
10K
S501
SWITCH
C0 C0
C1
C1
7
GND
GND1
9
K1
K2
K3
Q505
CR160
A1
A2
A3
1
2
CR501
J102
ANTENNA_NUT
1
TAB1
2
TAB2
3
TAB3
4
TAB4
5
TAB5
F501
2
1
B504
24V
CR503
2
4
1
3
C502
VR439
10V
1
6
0.47uF
IMX1
5
VR443
6.8V
1
OUT
6.8V
VR441
PB502
SWITCH
3
G1
G2
4
5
G3
2
IN
PB501
SWITCH
3
G1
G2
4
5
G3
2
IN
1
OUT
3
G1
G2
4
5
G3
2
IN
1
OUT
PB505
SWITCH
C514
100pF
.01uF
C520
VR442
6.8V
1
OUT
C521
.01uF
PB504
SWITCH
3
G1
G2
4
5
G3
2
IN
DUMMY
6.8V
VR506
6.8V
VR444
SB1
BATT_CODE
RADIO_CODE
Vdda
M
Vdda
VOL
UNSWB+
SB3
EMER
LI_ION
GREEN_LED
SWB+
RED_LED
RTA0
RTA1
RTA2
RTA3
PTT
SB2
Figure 4-38:
UHF (450–512 MHz) Controls and Switches Schematic Diagram
Содержание PR860
Страница 1: ...PR860 Two Way Portable Radio Detailed Service Manual ...
Страница 2: ......
Страница 5: ...iv Notes ...
Страница 9: ...viii Table of Contents Notes ...
Страница 13: ...Notes xii List of Figures ...
Страница 17: ...1 4 Introduction Radio Model Information Notes ...
Страница 51: ...2 34 Theory of Operation Voltage Control Oscillators VCO Notes ...
Страница 81: ...4 4 Schematic Diagrams Overlays and Parts Lists Flex Layout Notes ...
Страница 193: ...4 116 Schematic Diagrams Overlays and Parts Lists Low Band Section Notes ...
Страница 196: ......