Board Layouts - Icom Ic-2820H Service Manual

Dual band fm transcever
Hide thumbs Also See for Ic-2820H:
Table of Contents

Advertisement

SECTION 8

BOARD LAYOUTS

• MAIN UNIT (TOP VIEW)
V
0
V
5
V
1
0
V
1
5
V
2
0
V
2
5
V
3
0
V
3
5
V
4
0
R
3
8
5
C
4
7
7
Q
5 4
E
P
6
J2
C
6
0
1
E
5 P
1
8V
MICU/D
6 C
1 2
EXTMIC
5
C
9
1
E
P
7
PTT
MICE
MIC
E
P
2
3
R
5
3
7
9 C
4 5
GND
E
P
1
0
R
5
3
3
R
5
2
3
MICIN
8
P E
1 1
C
6
2
0
R
5
2
7
E
P
9
R
5
3
8
R
5
4
1
C
5
8
1
E
1
P
2
R
5
6
2
6 C
6 3
R
5
4
5
R
3
4
4
R
5
5
0
C
6
3
5
Q
2 6
R
3
3
4
R
3
3
7
R
6
5
0
R
5
4
9
Q
1 6
C
4
4
7
6 C
5 2
R
3
5
5
R
3
6
2
D
9 8
Q
0 9
C I
0 3
C
6
4
1
1 L
7 1
M
P
4
M
4 P
4 C
1 8
R
0
4
3
R
4
0
5
R
5
8
3
R
5
8
2
R
8
3
2
R
5
8
5
R
5
8
4
C
4
9
6
R
4
R
3
9
4
C
4
7
9
R
4
9
0
R
4
0
2
1 L
8 1
D
7 9
R
4
0
4
R
4
1
1
R
5
7
1
Q
2 9
R
4
2
6
E
P
7
0
C
0
5
9
R
4
1
3
R
5
8
8
C
0
4
2
R
3
3
2
E
P
6
9
E
P
2
4
Q
6 4
Q
3 9
R
3
6
8
4 C
3 5
7
C
1
7
R
7
6
2
C
8
5
5
R
6
6
0
R
6
6
4
Q
1 9
R
5
6
9
R
5
9
0
C I
8 4
C I
1 5
C I
1 3
R
7
6
6
R
7
7
1
R
8
6
9
C
8
5
7
C
8
5
8
C
7
0
6
R
6
9
6
R
7
7
5
R
6
8
9
R
8
1
4
C
Q
9 9
1 Q
1 2
7
C
3
0
M
2 P
R
7
0
0
C
7
3
5
7
C
6
4
1 D
7 4
R
7
0
2
1 D
5 4
7 C
8 6
R
7
0
4
R
7
0
5
1 D
8 4
C
7
7
0
R
7
0
3
C
7
6
7
1 L
6 4
R
7
1
3
R
C
7
6
9
R
7
0
8
E
3
P
2
1 Q
0 1
7 C
3 7
C
6
6
0
C
6
6
2
R
7
1
4
C
7
7
7
R
7
1
7
C
7
6
6
R
5
7
8
6 C
4 8
R
7
9
9
R
8
0
0
R
6
1
5
C
6
7
2
R
8
7
9
R
8
7
8
R
7
9
7
6 C
5 8
R
6
9
1
J3
1
NC
R
6
1
7
1 D
8 6
CTHV
GND
R
5
8
9
C
9
4
4
RDATA
TXDATA
1 D
7 6
E
P
1
6
NC
6
1 D
5 6
Q
6 9
1 D
6 6
6 C
5 6
C
5
9
3
4 R
3 8
8 - 1
V
4
5
V
5
0
V
5
5
V
6
0
V
6
5
V
7
0
V
7
5
V
8
0
V
8
5
V
9
0
Q
4 4
R
4
1
5
R
8
5
8
R
3
3
8
D
4 9
Q
1 7
D
3 9
C
1
5
0
C
4
8
7
R
3
9
7
C
4
7
5
5 C
6 0
C
5
R
4
1
4
C
5
5
2
R
9
3
8
D
6 9
D
5 9
R
1
4
8
C
5
4
9
I
C
2
1 L
7 3
C
5
7
0
C
5
7
2
C
5
6
9
C
5
7
4
C I
4 1
M
P
5
M
R
1
3
2
C
4
1
5
C
4
2
0
R
4
5
7
C
5
5
7
C
5
5
8
C
5
0
6
C
5
6
5
C
8
4
4
1 L
5 3
C
3
4
4
C
5
4
4
C
4
4
1
C
4
4
8
C
4
4
4
C
5
7
3
C
4
4
1 L
4 1
C
5
0
1
R
4
4
9
C
8
3
1
C
5
2
6
1 L
5 2
R
3
4
8
1 D
7 0
0
8
C
4
9
0
Q
0 6
R
4
3
6
1 L
3 2
C
5
3
8
C
5
8
2
R
4
2
8
1 D
9 5
R
3
5
0
1 D
8 0
1 L
1 3
1 L
4 3
R
4
6
0
4
R
2
3
R
5
4
5
1 D
4 0
Q
9 7
C
3
8
5
1 D
9 0
1 D
0 6
1 D
3 0
C
5
1
1
C
2
5
7
C
5
3
2
R
4
4
5
5
C
3
5
1 D
2 0
C
8
7
2
R
3
4
2
R
4
6
4
C
3
5
3
R
4
3
3
C
5
4
2
C
8
0
4
R
1
2
B
-
6
6
4
5
C
4
2
9
R
8
8
4
3
R
4
6
D
3 8
D
2 8
R
3
1
4
t
=
1
.
6
,
(
4
Q
6 5
C
4
3
2
C
4
2
8
R
3
2
1
C
4
1
8
4 C
6 3
R
3
5
0
M
P
8
R
3
3
4
D
5 8
D
4 8
R
3
3
0
C
5
1
8
I
C
3
C
5
1
4
C I
1 4
1 L
7 2
C
5
4
1
C
5
5
0
C
5
3
7
C
5
5
3
C
5
7
3
7
5
5
R
6
8
5
C
7
5
4
R
7
0
7
C
8
7
6
C
8
0
5
R
7
4
4
C
8
2
3
9
C
5
1
1 D
6 5
C
7
5
7
1 L
6 5
C
8
1
6
1 C
4 3
C
8
7
8
C
7
8
2
1 D
4 5
C
7
3
9
C
7
9
6
1 Q
2 1
1 L
1 5
8
C
0
0
8
C
0
7
C
7
9
1
C
8
0
6
C
1
8
9
R
7
1
8
R
7
1
9
C
7
8
7
Q
5 1
C
7
8
1
1 L
8 4
1 L
2 5
R
7
1
6
R
7
0
9
R
7
2
5
C
7
8
5
C
7
8
9
1 Q
5 1
R
1
7
C
1
6
R
7
2
0
C
7
9
2
7
1
2
1 L
0 5
1 L
7 5
Q
2 1
1 D
7 5
C
7
9
3
C
7
9
7
R
7
3
7
1 D
5 5
R
7
3
9
C
5
9
0
C
8
E
P
4
8
M
P
3
C
3
0
9
R
8
6
1
6 C
2 1
8
R
2
6
C
3
8
R
8
2
3
R
2
8
R
8
6
0
R
8
8
0
R
5
3
4
C I
7 5
R
8
6
3
C
3
7
8
C
6
3
8
C
3
9
9
R
4
6
8
C
3
6
4
R
2
8
8
C
6
7
4
R
5
6
8
R
2
6
7
C
9
1
1
R
8
8
2
R
8
2
7
C
3
7
5
C
6
8
3
C
3
6
1
1 Q
0 0
C
9
6
2
R
6
2
3
C
3
6
5
5
R
3
0
2
R
5
3
R
6
4
5
R
2
5
1
C I
8 5
R
4
8
0
C I
6 2
R
6 C
5 9
5 R
1 2
R
4
8
2
R
4
7
9
R
R
5
2
4
5 R
2 2
4
R
8
4
1 D
2 2
R
5
5
3
R
8
2
5
9
C
0
4
C
6
3
0
J
4 2
R
8
4
9
R
8
3
6
R
8
3
5
R
8
8
3
R
9
4
3
V
9
5
V
1
0
0
V
1
0
5
V
1
1
0
V
1
1
5
V
1
2
0
V
1
2
5
V
1
3
0
V
1
3
5
V
1
4
R
6
R
7
Q
1 1
2 Q
R
8
7
3
R
4
7
2
C
2
1 D
6 1
9 D
L
7 1
C
1
5
R
1
4
C
2
4
C
5
7
4
R
0
C
6
4
C
9
5
5
C
3
R
4
7
1
R
1
1
R
2
6
R
2
8
1 D
C
3
3
7
C
1
2
R
5
2
C
7
3
9
5
C
1
3
C
2
9
C
4
6
R
7
4
5
R
3
5
C
9
6
C
1
1
4
C
3
0
4
C
3
3
4
7 D
C
3
2
C
7
1
3 C
7 4
D
6 2
D
0 1
D
6 1
C
6
1
C
0
1
D
8 1
C
9
7
C
2
1
C
2
8
C
4
0
R
4
1
R
8
5
C
1
0
2
R
8
1
R
2
9
C
8
1
C
1
0
3
R
7
2
5 8
C
C
1
7
0
C
9
2
D
5 3
4
C
Q
4 1
C
1
6
0
R
1
3
4
I
1 C
R
1
0
3
C
1
3
3
L
8 3
Q
0 3
L
3 5
R
1 L
1
R
1
2
0 1
R
7
1
C
3
5
R
2 1
2
P
9
C
1
8
4
C
2
1
7
D
0 4
R
1
0
8
R
1
4
5
R
1
3
5
L
5 4
D
3 4
D
8 4
R
8
5
7
R
1
5
9
L
9 6
C
2
0
7
D
9 4
J
3 2
R
8
5
6
R
1
6
5
R
8
7
7
C
9
3
5
C
2
1
8
R
1
8
4
R
1
7
2
L
4 6
L
3 6
2 C
0 7
D
4 5
Q
1 2
C
2
5
2
R
8
7
5
R
2
0
0
P E
1 7
R
2
0
6
C
2
6
8
D
8 5
D
C
8
8
D
6 3
R
1
9
9
C
1
3
5
C
6
1
7
R
4
1
4
C
9
1
6
R
2
2
9
)
C
2
5
5
4 9
C
2
C
3
2
4
D
0 7
R
2
3
5
C
3
6
1
C
2
3
1
R
1
8
2
2
R
1
2
R
2
2
2
C
3
0
9
C
7
1
0
C
1
4
9
R
1
6
4
5 D
C
9
2
0
C
2
4
9
R
1
3
5
C
2
2
2
D
7 3
C
7
1
1
R
1
4
3
C
2
0
0
C
2
5
3
C
2
3
9
R
2
2
6
C
1
5
9
C
2
7
1
R
1
8
6
C
1
9
7
R
1
8
6
Q
8 3
R
3
1
6
C
2
4
7
6 D
C
2
2
3
R
2 L
C
2
3
4
L
1 5
L
4 5
C
1
8
7
D
7 7
C
1
6
9
D
8 3
1
R
3
7
R
7
5
6
C
2
3
5
C
1
8
1
C
1
8
8
C
1
9
5
C
5
5
6
R
1
8
5
8 D
C
5
5
5
C
1
8
4
1
C
9
3
C
9
4
1
2 C
1
9
C
2
4
4
C
1
1
2 L
C
2
6
0
R
1
7
4
L
5 6
R
1
0
C
2
4
2
C
2
6
1
C
2
6 5
C
2
3
C
2
6
7
2 R
3
6
L
7 8
R
2
3
3
C
3
2
2
R
2
3
1
Q
9 3
2
C
9
9
3
C
1
1
L
1 8
R
8
3
C
3
0
4
R
2
2
8
R
2
2
0
2 2
R
7
Q
0 2
R
2
2
1
R
5
4
C
7
6
2
C
8
7
R
5
5
R
6
0
R
6
1
1 L
6 6
R
7
4
L
4 2
2 D
D
4 6
C
8
2
D
9 1
D
7 6
L
7 2
C
2
7
9
D
1 2
D
5 6
R
3
8
D
4 2
C I
4 5
C
1
6
0
C
3
1
9
L
3 3
1
C
1
5
1
C
1
8
R
1
0
1
R
1
1
0
C
3
2
7
D
7 2
C
1
8 2
L
0 9
C
1
1
3
D
8 2
C
1
3
7
L
4 3
Q
9 2
C
1
1
6
L
9 7
L
8 9
Q
9 4
Q
6 1
R
2
1
5
C
1
1
9
C
1
4
0
R
1
1
4
1 R
0
9
C
3
7
4
R
1
5
R
1
2
9
C
1
3
9
1
C
3
7
1
C
1
4
7
C
3
3
3
4
R
2
8
0
R
2
7
3
L
6 8
3
C
2
8
R
1
2
1
C
4
1
9
L
3 4
L
4 8
R
1
6
1
C
6
6
6
C
2
8
8
R
2
5
9
C
3
5
9
R
2
5
4
R
6
1
0
L
4 4
R
1
6
2
R
2
7
4
L
3 8
R
6
0
8
R
2
5
7
R
2
6
8
D
6 6
R
2
2
4
C
3
0
7
R
2
4
8
C
3
5
3
R
5
7
3
C I
3 3
C
3
6
9
C
5
8
0
R
5
8
7
C
3
6
7
R
5
7
2
2 C
8 9
R
2
7
1
R
5
6 8
C
1
6
8
6
C
2
8
C
2 6
9
R
2
5
2
C
6
5
9
P E
4 5
R
8
2
8
1 L
0 4
R
5
9
3
2
6
5
2
7
4
C
3
5
2
1 L
8 3
5 C
8 7
D
1
1
7
C
6
9
4
R
6
3
0
R
6
5
3
6 R
5
8
• HM-133 (TOP VIEW)
0
V
1
4
5
V
1
5
0
V
1
5
5
W5
(MAIN UNIT)
3 C
9 4
R
2
4
4
D
0 8
C
3
5
0
R
2
4
5
• VR1 UNIT
(TOP VIEW)
J7
1
SP1
2
L
7 9
D
8 7
1 L
5 6
D
9 7
4 3
C
1
2
R
4
0
3
C
3
4
W6
(MAIN UNIT)
W
6
R
4 2
2
1 L
6 0
3
C
4
8
P E
5 5
7
R
8
9
P E
9 4
• VR2 UNIT
P E
2 5
(TOP VIEW)
GND
B6647A
HV
S D
1 1
S D
0 1
• CONTROL UNIT (TOP VIEW)

Hide quick links:

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Ic-2820H and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Table of Contents

Save PDF