UHF Narrow Band PCB/Schematic Diagrams and Radio Parts List (RF Board)
3-63
G
G
G
G
G
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G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
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G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
NU
NU
NU
NU
NU
NU
NU
NU
BATT-
BATT+
BATTERY_CONTACT
NU
NU
Q502
C599
3.9pF
RTA1
+
B
W
S
N
U
J200-20
J200-3
RTA0
4
1
3
J200-31
CR503
2
100pF
C535
VOL
VR444
6.8V
J200-13
J200-8
100pF
C534
C502
0.47uF
CR501
1
2
J200-36
J200-38
M
C521
100pF
C553
.01uF
IDCTR
E104
5V
IDCTR
E103
100pF
C513
J200-16
2
B2 4
J200-18
PB501
SWITCH
A1
1
A2
3
B1
J200-7
RF_JACK
100pF
RSSI
DACRX
C555
C514
100pF
CONN_J
B501
2
DATA
1
NEG
POS
3
100pF
C543
100pF
C542
3
B1 2
B2 4
Q505
PB504
SWITCH
A1
1
A2
C141
J200-34
J200-6
EMER
16.8MHz
MODIN
Vdda
100pF
C503
100pF
C525
43pF
4.7pF
C597
7
TAB2
2
RTA2
C598
SWITCH
S502
4
1
W
O
L
5
H
GI
H
3
6
TAB1
100pF
C551
100pF
C550
100pF
C549
J200-14
4
3
J200-4
2
J200-15
SB2
J200-24
0
R510
VOL
J200-5
100pF
C530
J200-29
5
1
6
DATA
RED_LED
GREEN_LED
IMX1
SB2
J200-11
J200-28
DISC_OUT
SWB+
J200-26
SWB+
100pF
C537
RF_JACK
4
GND
1
2
3
J101
RTA3
LI_ION
RED_LED
J200-25
180
R502
PTT
BATT_CODE
RESET
6.8V
VR440
J200-37
100pF
C526
100pF
C532
LI_ION
100pF
C531
RTA2
RTA3
SB3
J200-19
J200-17
RTA1
C140
SB1
SB3
2
B2 4
VR501
6.8V
PB505
SWITCH
A1
1
A2
3
B1
VR443
6.8V
100pF
C538
a
d
d
V
J200-23
L505
a
d
d
V
J200-40
390nH
J200-12
BATT_CODE
9.75nH
L116
EMER
J200-35
C505
100pF
J200-39
LOCK
100pF
C529
M
100pF
C527
0
R511
LVZIF_SEL
J200-21
D101
C522
.01uF
100pF
C545
10K
R505
C0
C1 C1
GND
7
9
GND1
PC0
1
PC1
2
PC2
4
8
PC3
1
SWITCH
S501
C0
24V
F501
2
P100
C520
.01uF
6.8V
VR441
J200-10
J200-9
RTA0
100pF
C541
C511
SB1
B504
100pF
100pF
C533
J200-30
E102
BLM21PG221SN1
B2 4
100pF
C544
SWITCH
PB502
A1
1
A2
3
B1 2
.01uF
C523
100pF
C552
100pF
+
B
W
S
0
C512
100pF
C540
R507
100pF
C539
0
R509
J200-27
47K
R506
PTT
J200-22
100pF
C536
100pF
C546
100pF
C548
CLK
100pF
C547
TAB5
5
J200-1
J102
TAB1
1
TAB2
2
TAB3
3
TAB4
4
C602
ANTENNA_NUT
24pF
C601
100pF
4.7pF
C600
680
R501
VR506
6.8V
100pF
C528
J200-32
J200-33
CSX
VR439
10V
A1
A2
A3
K1
K2
K3
CR160
B503
if
J200-2
GREEN_LED
UNSWB+
RADIO_CODE
RSSI
UHF Narrow Band (450-470MHz) Controls And Switches Schematic Diagram 8415563H06
Summary of Contents for GP-688
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Page 147: ...Compact Professional Portable Radios VHF 136 174MHz Service Information Issue July 2007 ...
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Page 335: ...Compact Professional Portable Radios UHF2 450 527MHz Service Information Issue July 2007 ...
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