Icom IC-7400 - Page 66

9 - 7
• CTRL UNIT
(TOP VIEW)
• PHONE BOARD
(TOP VIEW)
• PBT BOARD
(TOP VIEW)
• RIT BOARD
(TOP VIEW)
• MIC BOARD
(TOP VIEW)
• TUNER UNIT
(TOP VIEW)
• FILTER BOARD
(TOP VIEW)
1
to TUNER
unit MF2
5
J11
T14V
AW
AX
AY
AZ
1
5
to TUNER
unit MF1
J10
T14V
PW
PX
PY
PZ
1
21
to MAIN
unit J140
2
22
J7
C14V
C14V
CT8V
SETI
C5V
C-8V
GND
CREF
CDRS
CANT
CIST
C14V
GND
GND
C5V
GND
GND
CFOR
GND
GND
GND
CIKY
PAFE2
1
to MAIN
unit J741
J13
SSP
2
1
to CHASSIS
SP1
J14
PAFE
SSP
1
21
to TUNER
unit J5
2
22
J8
GND
35M 10M 18M
VHF
GND
14V
CO2
NVHF
CI2
GND
GND
7M
14M 24M
GND
14V
CO3 CO1
CI3 CI1
GND
to RF unit J1
HRX
P2
from TUNER unit J3
TUIN
P3
from TUNER unit J4
TUOT
P4
from PA unit J502
CTIN
P501
22
21
2
to CTRL
unit J8
1
J5
GND
35M 10M 18M
VHF
GND
14V
CO2
NVHF
CI2
GND
GND
7M
14M 24M
GND
14V
CO3 CO1
CI3 CI1
GND
to CTRL unit J3
TUIN
P3
to CTRL unit J4
TUOT
P4
to CHASSIS P1
P14V
to
CHASSIS
P1
PGND
to PA unit EP6
H14V
W12
to PA
unit EP7
W13
GND
ELEC-KEY
PHONES
1
9
to S-LOGIC
board J507
2
10
J3
PAFE PAFE
PHNL
DOT
GND
PAFO
GND
DASH
GND GND
M-CH
TWIN PBT
10
9
2
to S-LOGIC
board J501
1
J1
GND GND
PB2A
MCHA
PB1A
GND
PB2B
MCHB
PB1B
5VL
The combination of top side and bottom side of this
page shows the actual confi guration of P.C. board.