UP-3301 (serv.man4). Installation Manual (Version B Above) - Sharp EPOS Service Manual (repair manual). Page 7

UP-3301V

Replacing the LCD unit

– 5 –

5) Remove the LCD 

M

.

a) Remove the five Screws 

N

.

b) Remove the LCD plate 

O

.

c) Remove the LCD PWB unit 

P

.

Install the LCD unit in the reverse order of removal.
Before installing, make sure that each cable are connected securely.

1) Remove the top cabinet.

2) Install the Expansion RAM Board 

1

 into the Option RAM connector

on the Main PWB.

a) Insert the Expansion RAM Board at a slant into the option RAM

connector.

b) Insure the Expansion RAM Board is locked by the arms of the

option RAM connector.

*

Only one UP-S02MB2M option may be installed.

*

Be careful of the direction of the Expansion RAM Board when
installing. Install the Expansion RAM Board with the notch
part of the PWB (Figure A) located to the right. Installing the
Expansion RAM Board in the wrong direction may damage
the connector or damage the machine.

3) Removing the Expansion RAM Board.

a) Expand the arms of the option RAM connector right and left.

b) The Expansion RAM Board will be lifted automatically.

1) Remove the rear cover.

2) Remove the rear display.

2) Remove the two screws 

1

 from the chassis.

3) Insert the I/F PWB 

2

 to the connector.

4) Fix the I/F BRACKET to the chassis with screws 

1

.

5) Install the ferrite Core 

3

.

Make sure to save data before installing this option

17

20

18

19

Touch panel

18

18

18

1

A

1

2

RS232 cable

RS232 cable

3

3