Icom IC-M604 Service Manual page 8

SECTION 3
1. Opening the transceiver case
1 Unscrew 6 screws A, and remove the front unit.
2 Unscrew 6 screws B, and remove the rear panel.
FRONT UNIT
A
2. Removing the LOGIC UNIT
1 Disconnect connector from J5 and flat cables from J1,
J2 and J6.
2 Unsolder 2 points C.
3 Disconnect microphone connector from J4 and SQL/
DIAL connectors from J7.
4 Unscrew 7 screws D, and remove the LOGIC UNIT.
D
D
D
J7
J4
D
DISASSEMBLY AND OPTIONS INSTRUCTIONS
REAR panel
A
B
A
B
B
A
A
B
B
LOGIC UNIT
D
D
J1
J3
J2
J6
J5
D
C
3. Removing the MAIN UNIT
1 Remove the shield cover E.
2 Disconnect flat cables from J1 and J2.
3 Unsolder 17 points F.
4 Unscrew 7 screws G, and remove the MAIN UNIT.
J2
G
G
G J1 F
G
4. Removing the AF UNIT
1 Disconnect 4 connectors from J5, J8, J9 and J10.
2 Disconnect 2 flat cables from J2 and J4
3 Unscrew 2 screws H, and remove 2 clips I, J.
4 Unscrew 3 screws K, and remove the AF UNIT.
J
J9
J10
K
J2
AF UNIT
3 - 1
E
MAIN UNIT
G
G F G
F
Unsolder point
I
J5
J8 K
J4
H
K