Icom IC-R20 Service Manual page 52

9-3 REC UNIT
• TOP VIEW
9 - 5
to LOGIC UNIT HJ8
4 GND
AOUT
B_AIN
VL DOWN
1 A_ATN
J6
J7
USB
1 +3V
SUB_3C
VOL_UP_DOWN
SQL
CPU_TX
6 CPU_RX
to LOGIC UNIT HJ9
The combination of this page and the next page shows
the unit layout in the same configuration as the actual
P.C. Board.
VL UP SQL