Icom IC-T90A Marine Radio User Manual


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