EFJohnson 7780 Two-Way Radio User Manual


 
SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS
8-11
November 1999
Part No. 001-7780-500
D
E
L
K
B
E
P
S
P
S
D
N
G
D
N
G
L
5
+
D
N
G
D
N
G
E
C
I
M
AXN720535
J1
0
2
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
1
9
8
7
6
5
4
3
2
1
C
HC10
C
HC9
C
I
M
C
HC12
C
HC11
120
R10
LN1371G-(TR)
DS1
LN1371G-(TR)
DS2
LN1371G-(TR)
DS3
LN1371G-(TR)
DS4
120
R11
33P
C5
S15
C
HC4
C
HC3
#
S12
9
S9
10K
R12
C
HC2
0
S11
8
S8
2SA1576
Q1
C
HC8
C
HC1
*
S10
7
S7
C
HC6
C
HC7
D
N
G
3
R
Y
E
K
2
R
Y
E
K
1
R
Y
E
K
0
R
Y
E
K
3
S
Y
E
K
2
S
Y
E
K
1
S
Y
E
K
0
S
Y
E
K
D
N
G
C
HC5
4
S4
1
S1
5
S5
2
S2
6
S6
3
S3
S14
S13
100K
R5
100K
R4
33P
C4
100K
R3
100K
R2
33P
C3
33P
C2
33P
C1
33K
R1
SP1
MC1
Microphone
Speaker
F1
F2
F3
10-KEY BOARD SCHEMATIC