Icom IC-M604 - Page 35

9 - 3
9-5 LOGIC UNIT (BOTTOM VIEW)
The combination of this page and the previous page
shows the unit layout in the same configuration as the
actual P.C. Board.
H150 H145 H140 H135 H130 H125 H120 H115 H110 H105 H100 H95 H90 H85 H80 H75 H70 H65 H60 H55 H50 H45 H40 H35 H30 H25 H20 H15 H10 H5 H0
V5
V10
V15
V0
V25
V30
V35
V20
V45
V50
V55
V40
V65
V70
V75
V60
V80
V90
V95
V85
1
to MAIN unit J1
2 26
25
J1
GND
SEND
DASTB
TMUTE
ATT2
UNLK
PDATA
GND
S5V
DEC2 DEC1
SQL
TEMP
GND
TXDET
GND GND
H/L
ATT1
PSTB
PCK
8V
GND
RXADJ
WXDET
GND
1
to CONNECT unit J6
2 6
5
J6
ICF3
GND
KPWRH2
CMDPWR1
GND
CMDPWR2
CS1B
27
to LCD
1
J3
RESETB
RS
RW_WR
E_RD
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
GND
VDD
VOUT
C3+
C3
-
C1+
C1
-
C2+
C2
-
V0 V1 V2 V3 V4
KEY
1
to FRONT unit W1
(OPC-1658)
6
J4
GND
PTT
HANG
SP
-
SP+
KEY
1
to FRONT unit W7
(OPC-1212)
6
J5
GND
PTT
HANG
SP
-
SP+
S5V
1
to DIAL/SQL unit W1
8
J7
SQLV
GND
DIAL1 DIAL2 DIAL3 DIAL4
GND
127
to AF unit J1
28 2
J2
SCOUT
NC
AF AF
GND
BEEP
RMUTE
OPSTB
GND
MICM
FOG
DATAH2M DATAMH2 DATAMH1
GND
HV
NC
SP
-
SP
-
DSC
OPTIN
SCON
DATAMN DATANM
EPOE
PWRON
EPSTB
DATAH1M
Internal speaker
(CHASSIS: SP1)