Icom IC-E90 Service Manual page 48

Multiband fm transciever
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9 - 3 AF UNIT
• TOP VIEW
40
39
to LOGIC unit J1
GND
40
39
GND
GND
CHG
PATMP
VMOD
XMOD
AFV
+3
+3C
DETO
VOLC
VCC
HV
MUTE
BEEP
EXTM
J251
NOISE
VSHFT
V1C
V2C
V3C
SD
REMO
R3C
DICK
DIUD
DATA
DASTB
IOSTB
TXC
AM
WFM
PDA/UL
PLSTB
CK
WXALT
INTSP
2
+10V
2
1
GND
1
EXT.SP
EXT.MIC
REMOTO
J252
J253
4
3
1
2
2
3
9 - 5
to S251
1
The combination of this page and the next page
shows the unit layout in the same configuration as
the actual P.C. Board.
VCO UNIT
• TOP VIEW
to RF UNIT
8
VSFT
VMOD
8
GND
J1
+10V
UNLK
CK
PLSTB
REF
1
1
to RF UNIT
1
GND
1
V1
J2
V2
VCO3
V3
LO
6
6

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