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Schematic Diagrams, Overlays, and Parts Lists
: UHF Band 1 Section
BATT+
BATT
NC NC NC
NC NC NC
NC NC NC
NC NC NC
Q502
NU
NU
NC NC
NC
BATTERY_CONTACT
RF_JACK
P100
C140
G1
3
4
G2
G3
5
IN
2
OUT
1
SWITCH
PB504
C503
100pF
L505
390nH
C514
2
3
100pF
RF_JACK
J101
GND
4
1
C141
.01uF
C522
5
IN
2
OUT
1
C511
100pF
SWITCH
PB501
G1
3
4
G2
G3
R501
680
.01uF
6.8V
C523
6.8V
VR501
VR440
2
4
3
CR501
1
2
A3
K1
K2
K3
CR160
A1
A2
6.8V
VR443
if
B503
C513
100pF
VR439
C521
.01uF
10V
C512
G1
3
4
G2
G3
5
IN
2
OUT
1
100pF
3
HIGH
TAB1
6
TAB2
7
2
SWITCH
PB503
S502
SWITCH
4
LOW
1
5
8
R505
10K
C0 C0
C1
C1
7
GND
GND1
9
1
PC0
2 PC1
4
PC2
PC3
S501
SWITCH
6.8V
VR441
0
R507
6.8V
VR506
R502
180
ANTENNA_NUT
1
TAB1
2
TAB2
3
TAB3
4
TAB4
5
TAB5
J102
5.6k
G1
3
4
G2
G3
5
IN
2
OUT
1
R506
47K
SWITCH
PB502
C505
2
4
1
3
100pF
CR503
0.47uF
C502
B504
G1
3
4
G2
G3
5
IN
2
OUT
1
SWITCH
PB505
6.8V
VR442
9.75nH
IMX1
5
1
6
L116
CONN_J
DATA
2
NEG
1
3
POS
C520
.01uF
B501
F501
24V
2
1
6.8V
VR444
Q505
RADIO_CODE
BATT_CODE
SB3
Vdda
M
SB2
Vdda
VOL
UNSWB+
EMER
LI_ION
GREEN_LED
SWB+
RED_LED
RTA0
RTA1
RTA2
RTA3
SB1
PTT
Figure 4-20:
UHF (403–470 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: ......