Icom VHF Marine Transceiver IC-M88 - Manual (Page 7)

3 - 1
SECTION 3 DISASSEMBLY INSTRUCTIONS
1. Removing the chassis panel
2. Removing the LOGIC unit. 3. Removing the MAIN unit
q Remove nut
A.
w Unscrew 2 screws
B
(2
× 8 mm, black) and 3 screws
C
(2 × 4 mm, black) from the chassis.
e Take off the chassis in the direction of the arrow.
NOTE: * Tighten the screws in order of a number (
q–y)
when assembling.
q Unplug the cable from J281 on the MAIN unit to separate
the LOGIC unit
w Separate the front panel from the chassis in the direction
of the arrow.
e Unsolder 2 leads of the speaker and connector unit (9
points).
r Unscrew 3 screws
D
(2
× 4 mm, silver) to separate the
front panel.
NOTE: * Tighten the screws in order of a number ( z–c)
when assembling.
q Unsolder 4 leads of contact spring and antenna connector
(1 point).
w Unscrew 6 screws
D
(2
× 4 mm, silver) to separate the
chassis.
NOTE: * Tighten the screws in order of a number ( q–y)
when assembling.
C
C
A
C
B
Chassis
q
w
e
r
t
y
q
r
t w
e y
z
x
c
MAIN UNIT LOGIC UNIT
Front panel
VR unit
W801
D
D
E
E
Unsolder
(A contact spring
and antenna connector)
Chassis
J281
J281
Unsolder
(A SP and
connector unit)