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Schematic Diagrams, Overlays, and Parts Lists
: VHF Band Section
NC
NC
NC
4
G2
G3
5
IN
2
OUT
1
NC
NC
NC
NC
NC
NC
NC
NC
NC
Q502
NC
NC
NC
SWITCH
PB503
G1
3
VR440
6.8V
6.8V
NU
100pF
100pF
C505
R502
180
180
1000pF
C535
1000pF
6.8V
6.8V
VR501
100pF
100pF
47K
C513
2
4
3
47K
R506
5
1
6
IMX1
IMX1
680
680
R501
B501
DATA
NEG
POS
C520
.01uF
4
G2
G3
5
IN
2
OUT
1
.01uF
SWITCH
PB502
G1
3
.01uF
C521
.01uF
switch
switch
o
VR441
6.8V
6.8V
NU
2
4
1
3
.01uF
CR503
C523
.01uF
100pF
.01uF
100pF
C512
.01uF
C522
6.8V
VR442
6.8V
NU
6.8V
VR444
6.8V
NU
C503
100pF
100pF
0.47uF
C502
0.47uF
100pF
C511
100pF
CR501
L505
390nH
390nH
Q505
10V
IN
2
OUT
1
12V
VR439
SWITCH
PB501
G1
3
4
G2
G3
5
SWITCH
S502
4
LOW
15
HIGH
3
6
TAB1
7
TAB2
2
mgc_comps
B503
B504
6.8V
6.8V
R505
10K
VR506
10K
100pF
C514
100pF
G1
3
4
G2
G3
5
IN
2
OUT
1
24V
F501
24V
2
1
PB504
SWITCH
C1
GND
7
GND1
9
PC0
1
PC1
2
PC2
4
PC3
8
IN
2
OUT
1
SWITCH
S501
C0
C0
C1
SWITCH
PB505
G1
3
4
G2
G3
5
M
UNSWB+
Vdda
SB1
PTT
SB2
SB3
EMER
RTA3
RTA2
RTA0
RTA1
VOL
Vdda
LI_ION
BATT_CODE
GREEN_LED
SWB+
RED_LED
Figure 4-56:
VHF (136–174 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: ......