Sensor Board - Icom IC-78 Service Manualvice Man

• BOTTOM VIEW (LOGIC UNIT)
30 20 10 2
25 15 5 1
30
2
J7
29 1
to MAIN unit J4201

9-8 SENSOR BOARD

• TOP VIEW
P1
E
GND
4
DN
SEN2
3
to LOGIC unit J1
UP
SEN1
2
E
1
+5V
4
J1
GND
SEN2
to SENSOR
board
SEN1
+5V
1
30 20 10 2
25 15 5 1
29 2 15
J6 J9
30 1 16
to MAIN unit J4401 to PLL unit J3
• BOTTOM VIEW (MIC BOARD)
4
3
8
2
SENSOR
1
7
9
J3
10
to VR board J1
1
2
5
6
The combination of this page and the previous page
The combination of this page and the previous page
shows the unit layout in the same configuration as the
shows the unit layout in the same configuration as
actual P.C. Board. the actual P.C. Board.
1
2
• BOTTOM VIEW (PHONE BOARD)
8
3 7
1
2 4
9 - 6
J4
GND
1
GND 2
8V
UD
SQLS
SEND
AFO
GND
9 MICE
MIC 10
to MIC board J2
J5
GND
1
AFE 2
AFE
AFE
AFO
AFO
AFO
ESPO
9 ESPO
ESPO 10
to PHONE board
J2
PHONES
J1
1
2
4
3
7
8