Icom IC-7800 Service Manual Addendum page 480

8-2 SW-A BOARD
• TOP VIEW
95
90
85
80
75
POWER
70
65
60
TRANSMIT
55
50
TUNER
45
40
AGCVR NR
35
MAIN
TIMER
30
25
20
15
10
5
0
0 5 10 15 20 25 30 35 40
8-3 SW-B BOARD
• TOP VIEW
25
F-1 F-2
20
SSB CW
15
10
5
0
0 5 10 15 20 25 30 35 40 45 50
VOX/BK-IN
MONI
NB AGCVR NR NB
SUB
45 50 55 60 65 70 75 80 85
Horizontal
F-3 F-4 F-5
RTTY/PSK AM/FM DATA
55 60 65 70 75 80 85 90 95 100 105 110
Horizontal
8 - 3
90 95 100
F-6 F-7
M-SCOPE EXIT/SET
MAIN
ATUO
REC PALY
TUNE
115 120 125 130 135 140 145 150 155 160 165 170
8-4 SW-C BOARD
• TOP VIEW
135
MAIN
FILTER
130
125
120
MAIN
PBT CLEAR
115
110
105
100
MAIN
DIGI-SEL
95
90
MAIN
APF/TPF
85
80
MAIN
NOTCH
75
70
RIT
65
60
∆TX
55
50
CLEAR
45
40 DUAL
WATCH
MAIN
TS
35
30
25
20
MAIN
SPEECH
15
10
SUB
MAIN AUTO
LOCK TUNE
5
0
0 5 10 15 20 25 30 35
SUB
FILTER
SUB
PBT CLEAR
SUB
DIGI-SEL
SUB
APF/TPF
SUB
NOTCH
SPLIT
SUB
TS
SUB
SPEECH
SUB
LOCK
40 45 50 55 60 65 70 75 80
Horizontal