![background image](http://html2.mh-extra.com/html/icom/ic-400pro/ic-400pro_service-manual_3993468006.webp)
3 - 1
SECTION 3
DISASSEMBLY INSTRUCTIONS
• Opening case and removing the front unit
q
Unscrew 4 screws
A
, and remove the bottom cover.
w
Disconnect the flat cable
B
from J2.
e
Disconnect the cable
C
from J7.
r
Unscrew 2 screws
D
, and remove the front unit.
B
C
D
A
J2
J7
y
Unscrew 8 screws
F
.
u
Remove the filter case
G
.
i
Unscrew the screw
H
.
o
Unsolder 3 points
I
from the antenna connector.
!0
Unsolder 5 points
J
from IC3.
F
G
H
I
J
!1
Lift up the front portion of the main unit and remove it.
J1
UT-108
UT-109
UT-110
t
Unsolder the point
E
.
E
• Installation location
UT-108
DTMF decoder unit
UT-109
Voice scrambler unit (Non-rolling type)
UT-110
Voice scrambler unit (Rolling type)