Icom IC-PW1 Service Manual Addendum page 161

8-8 PA-1 – PA-4 BOARD
PA-1 BOARD: MF2
PA-2 BOARD: MF3
J5
1
PA-4 BOARD: MF1
GND
—
M
PAF
3
J4
J5
J1
J3
PA-1 BOARD
PA-1 BOARD
2
J1
1
TO SPLITR UNIT
TO SPLITR UNIT J11
J5
(each PA board)
PA-1 BOARD J1aTO SPLITR UNITJ5
PA-2 BOARD J1aTO SPLITR UNITJ4
PA-3 BOARD J1aTO SPLITR UNITJ6
PA-4 BOARD J1aTO SPLITR UNITJ7
TO PA-4 BOARD J3 TO PA-3 BOARD J3
1
9 9
J4
2 10
10
PA-1 BOARD J4 PA-4 BOARD J4
PA-4 BOARD J3 (each PA board)
J3
2
10
J3
9 9
1
TO PA-1 BOARD J4
TO PA-2 BOARD J3
2 9
J4
1 10
(each PA boards)
PA-3 BOARD J4
PA-3 BOARD J3 (each PA board) PA-2 BOARD J3 (each PA board)
2 2
10 10
J3 J3
9
1 1
TO PA-4 BOARD J4 TO PA-3 BOARD J4
NONE
1
9
J4 J4
2
10 2
(each PA boards) (each PA boards)
PA-2 BOARD J4
EP2
J2
EP1
PA-4 PA-3
BOARD J2 BOARD J2
10
9 J3 J4
TO COMBINR UNIT
8 - 6
1
TO PX-1981
GND
(OPTION)
EP2
TO PA-2
BOARD
EP1
TO PX-1981
HV
(OPTION)
TO PX-1981
TO PA-4
GND
(OPTION)
BOARD
EP2
EP2
TO PA-3
BOARD
EP1
TO PX-1981
EP1 HV
(OPTION)
(each PA boards)
PA-2 PA-1
BOARD J2 BOARD J2
J2 J1