SECTION 3 DISASSEMBLY INSTRUCTIONS

1. Removing the rear panel

 

3. Removing the AF unit

B

 

Vol lead F H

Rear panel

 

C

G Vol plate F

 

A

 

 

 

 

Antenna

 

 

plate

 

 

F

AF unit

J251

Rear panel

Lock plate

qUnscrew 1 screw A (M2 4 mm, black).

wUnscrew 2 screws B (M2 20 mm, black), and 4 screws

C(M2 6 mm, black) from the rear panel.

eTake off the rear panel in the direction of the arrow.

2. Removing the LOGIC unit

 

W1 (L)

 

E

Main seal

 

4

 

 

 

J1

 

E

 

3

5

 

 

 

qTake off the lock plate.

wUnsolder 5 points F at the antenna plate, vol plate and lead.

eUnscrew 1 screw G (2 4 mm, silver), and 2 screws H (M2 12 mm, black) from the AF unit.

rTake off the AF unit in the direction of the arrow to sepa- rate the rear panel.

4. Removing the RF unit

J

RF unit

Antenna rug

Antenna connector

6

2

1

D

LOGIC unit

qUnplug the flexible cable W1 from J1 on the LOGIC unit to separate the rear panel.

wTake off the main seal.

eUnsolder 2 points D at the speaker lead.

rUnscrew 6 screws E (2 4 mm, silver) to separate the LOGIC unit.

NOTE:

When you tighten 6 screws E, tighten those in turn of 16.

I

Rear panel

qUnsolder 2 points I at the antenna rug plate and anten- na connector.

wUnscrew 2 screws J (M2 4 mm, silver) from the FRONT panel.

eTake off the RF unit in the direction of the arrow to sepa- rate the rear panel.

3 - 1

Page 8
Image 8
Icom IC-T90A manual Disassembly Instructions, Removing the rear panel Removing the AF unit