Icom IC-7400, Service Manual, Page: 79 / 92

9-15 FILTER UNIT
• TOP VIEW
9 - 19
to CHASSIS P1
P14V
to
CHASSIS
P1
PGND
to PA unit EP6
H14V
W12
to PA
unit EP7
W13
GND
9-16 DRV BOARD
• TOP VIEW
DRI1 DRI1
GND GND
GND GND DRI2 DRI2
GND GND
DR
O1
DR
O1
DR
O2
DR
O2
GND GND
to PA unit J22 to PA unit J24
to PA unit J21
to PA unit J23
9-17 VARISTOR-A BOARD
• TOP VIEW
V-A2
GND
V-A1
to P
A unit J101
9-19 VARISTOR-C BOARD
• TOP VIEW
V-A2
GND
V-T1
to P
A unit J102
9-18 VARISTOR-B BOARD
• TOP VIEW
V-B2
GND
V-B1
to P
A unit J201
9-20 VARISTOR-D BOARD
• TOP VIEW
V-B2
GND
V-T2
to P
A unit J202