![background image](http://html.mh-extra.com/html/icom/ic-7800/ic-7800_service-manual_612345178.webp)
1
7
1
7
1
7
1
7
1
4
8
5
1
7
GND
GND
GND
GND
H8V
C15V
H8V
C15V
GND
LG_PWR
10
1
to the REG unit
W1
GND
GND
+8V
-
12V
VDD5
GND
+15V
+3R3V
+3R3V
+3R3V
+5V
1
11
to the MAIN unit J450
J2
VDD5
VDD3R3
GND
GND
PWRS
C15V
VDD1R5
1
7
to the LOGIC unit J821
J3
+15V
+15V
LG_PWR
GND
+3R3V
+5V
-
12V
+8V
+15V
GND
1
10
to the LOGIC unit J820
J4
+15V
+15V
GND
GND
4
1
to the PA200W
board J5
J5
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
0
Horizontal
5
10
15
0
25
30
35
20
45
50
55
40
65
70
75
60
80
90
95
100
85
105
110
115
125
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120
V
er
tical
8-32 DC-DC UNIT
• TOP VIEW
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