Icom IC-R20

The combination of this page and the previous page
shows the unit layout in the same configuration as the
actual P.C. Board.
IF_OUT
GND
PLLESTB
PLLDATA
PLLCK
OSC
GND
RF_IN
1
8
to RF UNIT HJ10
GND
1GLO 2GLO
DOWN_CONV
+3V +3S
1
6
to RF UNIT HJ11
J1
J2
J2
B_VCO_OUT
GND
B_VCO4
B_VCO3
B_VCO2
B_VCO1
B_R3V
+3V
8
1
to RF UNIT HJ6
J2
A_VCO_OUT
GND
GND
A_VCO3
A_VCO2
A_VCO1
A_R3V
+3V
8
1
to RF UNIT HJ2
J1
OSC
BPS
PLLCK
PLLDATA
PLLBSTB
GND
VP
7
1
to RF UNIT HJ7
J1
OSC
APS
PLLCK
PLLDATA
PLLASTB
GND
VP
7
1
to RF UNIT HJ3
9 - 8
1STAVCO BOARD
• BOTTOM VIEW
1STBVCO BOARD
• BOTTOM VIEW
2NDCVCO BOARD
• BOTTOM VIEW
2NDDVCO BOARD
• BOTTOM VIEW
DOWNCONV BOARD
• BOTTOM VIEW