Section 9 Board Layouts - Icom IC-R20 Service Manual

SECTION 9 BOARD LAYOUTS
9-1 RF UNIT
• TOP VIEW
to LOGIC UNIT J5
21 B_DET
20
LD2
B_R3V
+3S
GND
GND
B_NOISE
B_VCO2
B_RSSI
B_VCO3
+3V
B_VCO4
GND
PLLCK
PLLBSTB
PLLDATA
PLLDSTB
STR2
VP
HFC
GND
B1C
PLLESTB
B2C
PLLCSTB
B3C
PLLASTB
J1
D
RFO
CLK
A_DET
LD1
A_R3V
EAR
GND
A_VCO1
A_NOISE
A_VCO2
A_RSSI
40
GND 1
9 - 1
The combination of this page and the next page shows
the unit layout in the same configuration as the actual
P.C. Board.
W2
W1
ANT