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8 - 1
8-1 RC-21
8-1-1 LOGIC BOARD
• TOP VIEW
100
81
80
51
1
30
31
50
J4
+5V
CUL
GND
+5V
CUL
GND
2
1
5
6
to VR2
board J1
J3
+5V
VOL
VOLE
+5V
VOL
VOLE
2
1
5
6
to VR1
board J1
J9
AFG2
MOD
L
VDC
VCC
GND1
AFGE
2
10
1
9
MODE
13-6
VCC
SP+
to CTRL1 board J4
J6
UP2
GND
DN2
GND
2
6
1
5
to SENSOR2
board J1
J5
UP1
GND
DN1
GND
2
6
1
5
to SENSOR1
board J1
30
1
31
50
51
80
100
81
8
5
1
4
1
5
10
6
8
5
1
4
1
7
J7
SP+
SP–
1
3
J2
POSW
+5V
13-6
VCC
4
1
J8
GND
PTT
MICE
MISW
AF2
GND
PTTE
MIC
AF1
AFE
to MIC
board J2
1
9
2
10
J10
GND2
FTXO
A3RX
+5V
A2TX
FRXO
2
10
1
9
A4RX
FULD
FRST
GND1
to CTRL1 board J1
SECTION 8
BOARD LAYOUTS