Rf-B Unit - Icom IC-756PROIII Service Manual

8-12 RF-B UNIT

from PLL unit J351
• TOP VIEW
P2
from CTRL-A unit J2
100
95
90
J801
85
80
1 5
to BPF-A
board
75
J803
70
1 B1
B4
GND
65
GND
GND
5
to BPF-A
60
board
55
J802
1 B3
B5
50
B2
GND
5 GND
45
to BPF-A
board
J805
40
1 5
4 1
35
5 8
30
to BPF-A
board
J809
25
1 5
20
to PREAMP
15
board
10
J804
1 R8V
14VL
5
PRE2
PRE1
5 GND
0
to PREAMP
0 5 10 15 20
board
PAI
XVRT
P351
1LOA
RX
6 1
4 3
9 8
16 1
9 8
16 1
9 8
16 1
25 30 35 40 45 50 55 60
P1
from PA unit J1
J807
5 GND
PREAMP_OUT
GND
PRE1
1 GND
to PREAMP
board
8 - 11
RANT
P901
S2LO
from PLL unit J901
16 9
1 8
65 70 75 80 85 90 95 100
Horizonal
P651
1LOB
from PLL unit J651
P851
MKR
from PLL unit J851
P801
S3LO
from PLL unit J801
to MAIN-A unit J101
1
105 110 115 120 125 130 135 140
2
J451
1
P1851
2IF
145 150 155 160
20
to MAIN-A
unit J811
19