Icom IC-7800 Service Manual Addendum page 482

8-5 VR-A BOARD
• TOP VIEW
50
45
40
35
30
MAIN NB/NR
25
MAIN AF/RF
20
15
10
5
0
0 5 10 15 20 25 30
8-8 VR-D BOARD
• TOP VIEW
20
15
10
5
0
0 5 10 15 20 25 30 35 40
BRIGHT CONTRAST ANTI VOX
8-9 JACK BOARD
• TOP VIEW
Vertical
0 5 10 15 20 25 30
0
5
10
15
20
25
30
35
8-6 VR-B BOARD
• TOP VIEW
20
15
SUB NB/NR
10
SUB AF/RF
5
0
0
35 40 45 50 55 60 65 70
Horizontal
45 50 55 60 65 70 75 80 85
Horizontal
VOX GAIN DRIVE COMP
8-10 MIC BOARD
• TOP VIEW
20
15
10
5
0
0
8 - 5
MAIN
AGC/SQL
5 10 15 20 25
Horizontal
9 1
J1
to the SW-A
board J1
10 2
8-11 CF BOARD
• TOP VIEW
90 95 100 105 110
MONI GAIN
to the DISPLAY
board J302
5 10 15 20
Horizontal
MIC
8-7 VR-C BOARD
• TOP VIEW
SUB
MIC/ AGC/SQL
RF PWR
20
15
10
5
0
30 35 0 5 10
40
CF CARD
35
30
25
20
15
10
1 2
J3
5
0
0 5 10 15 20 25 30 35
Horizontal
J1
1
to the LOGIC unit J807
KEY SPEED
/DELAY
15 20 25 30 35
Horizontal
9 1
J1
to the SW-A
board J2
10 2
40 45 50 55 60 65
50