VHF PCB & Schematic Diagrams
3-11
PC1
2
PC2
4
PC3
8
Q502
SWITCH
S501
C0
C0
C1
C1
GND
7
GND1
9
PC0
1
VR440
8V
R501
680
.01uF
C520
C521
.01uF
HIGH
3
6
TAB1
7
TAB2
2
mgc_comps
S502
4
LOW
15
VR441
8V
8V
VR444
SWITCH
A1
1
A2
3
B1
2
B2
4
PB502
Q505
C502
0.47uF
C511
VR501
6.8V
100pF
C513
47K
R506
47K
DATA
NEG
POS
B501
C505
100pF
6.8V
VR506
R505
10K
SWITCH
A1
1
A2
3
B1
2
B2
4
24V
F501
2
1
PB505
3
B1
2
B2
4
PB504
SWITCH
A1
1
A2
C523
1000pF
C503
100pF
2
4
3
390nH
IMX1
5
1
6
L505
10V
12V
VR439
CR501
R502
180
C522
B503
01uF
A1
1
A2
3
B1
2
B2
4
PB501
SWITCH
2
4
1
3
B504
CR503
100pF
100pF
C514
M
EMER
UNSWB+
100pF
C512
Vdda
SB1
PTT
SB2
RTA3
RTA2
RTA0
RTA1
VOL
Vdda
LI_ION
BATT_CODE
GREEN_LED
SWB+
RED_LED
VHF (136-174 MHz) Controls and Switches Schematic Diagram (Sht 2 of 2)
8404055G09
Summary of Contents for GP-688
Page 5: ...Compact Professional Portable Radios Service Maintainability Issue July 2007 ...
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Page 64: ...3 12 CONTROLLER KEYPAD SCHEMATICS ...
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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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