Icom IC-7610 - Board Layouts - Front Panel Units

7-3
The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together.
PHE
PHOR
PHE
PHOL
PHE
PHNI
GND
DASH
DOT
GND
J1
C1
C2
C4
C101
C102
EP1
EP2
EP3
EP101 EP102
J1
J102
J103
R1
R2
B-8553B JACK
H0H5H10H15H20H25H30H35H40H45H50
V0 V5 V10V15 V20 V25V30
ELEC-KEY PHONES
See the PARTS LIST H/V location on the PARTS LIST for location details.
J107
J108
H0H5H10H15H20H25H30
V0 V5 V10V15 V20
• USB UNIT B-8551D
(TOP VIEW)
• SD UNIT B-8552D
(TOP VIEW)
• VR UNIT B-8554C
(TOP VIEW)
• PBT UNIT B-8557B
(TOP VIEW)
• MULTI UNIT B-8556B
(TOP VIEW)
• MIC UNIT B-8550C
(TOP VIEW)
• JACK UNIT B-8553B
(TOP VIEW)
GND MFDAK
MFK NC MFDBK
GND GND GND GND GND
J2
S1
MULTI
B-8556B
TO DISPLAY J771
J2
J2
H0H5H10H15
V0 V5 V10 V15
J1
MIC
B-8550C
MP1
H0H5H10H15H20
V0 V5 V10 V15 V20
J1
SDDAT2 SDDAT3 SDCMD GND VDD(3R3V) SDCLK SDCD SDDAT0 SDDAT1 GND SDWP GND GND GND
SD
J1
B-8552D
R10
R9 R8 R7 R6 R5 R2 R1
J2
J1
EP4
C2
C1
H0H5H10H15H20H25
H30
V0 V5 V10 V15 V20 V25 V30 V35
J1
GND PBBAK PBBBK PBAAK PBABK PBTK 3R3V KSPDL PTCHL GND
TWIN-PBT
PITCH
KEY SPEED
C1C2
J1
R1
R2 R3
S1
PBT
B-8557B
J1
H0H5H10H15H20H25H30H35H40H45
V0 V5 V10V15 V20
VLED+
VLED–
J2
VLED–
VLED+
GND
AFSK
AFSL
RFSL
AFMK
AFML
RFML
3R3V
J1
R2
R1
VR
B-8554C
J1
J2
R6 R5
R4 R3
J2
J1
EP3
EP2
C4 C3
C2 C1
H0H5H10H15H20H25H30H35H40H45H50
V0 V5 V10 V15 V20
RF/SQL
SUB
AF
RF/SQL
MAIN
AF