Section 3 Disassembly Instructions - Icom ic-r20 Service Manual

SECTION 3
(1) REMOVING THE REAR PANEL
q Unscrew 4 screws, A (2 × 115 mm, black).
w Unscrew 2 screws, B (2 × 8 mm, black).
e Unplug W1 and J8 (LOGIC unit) to separate the front and
the rear panels.
J8
W1
Speaker
LOGIC unit
(2) REMOVING THE LOGIC UNIT
q Remove 2 knobs, C, and unscrew 2 nuts, D.
w Unscrew 2 flat-head screws, E (2 × 4 mm, silver), and 1
pan-head screw, F (2 × 4 mm, black).
e Unsolder 10 points, G.
r Unplug J5 (bottom side of LOGIC unit) and J1 (RF unit) to
separate the LOGIC unit.
t Remove the LOGIC unit in the direction of the arrow.
C
D
G
DISASSEMBLY INSTRUCTIONS
A
B
Front panel
F
E
J5
LOGIC unit
(3) REMOVING THE REC UNIT
q Unscrew 4 flat-head screws, H (2 × 4 mm, silver).
w Unsolder 1 point, I.
e Remove the REC unit in the direction of the arrow.
Rear panel
I
REC unit
(4) REMOVING THE RF UNIT
q Unscrew 3 flat-head screws, J (2 × 4 mm, silver).
w Unsolder 2 points, K.
e Remove the RF unit in the direction of the arrow.
K
K
3 - 1
H
J
J1
RF unit