Sharp El 531X Battery Replacement Repair Guide

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Introduction

We’ll see how easy it is to replace a dead battery, including a list of useful tools for this procedure as well as instructions with accompanying images.

What you need

Step 1

              Organize the workspace

Clear the work table of items not related to repair.
Use a small container to temporarily store removed parts.
Use a work light, if desired.

Clear the work table of items not related to repair.

Use a small container to temporarily store removed parts.

Use a work light, if desired.

1024

Step 2

              Gather your tools

One #0 Phillips screwdriver
One 1.5mm flathead screwdriver
One replacement “LR44” battery

One #0 Phillips screwdriver

One 1.5mm flathead screwdriver

One replacement “LR44” battery

Step 3

              Turn the calculator off

Remove the grey protective case and set aside.
Press the orange <2nd F> button, located in the top-left corner of the keyboard.
Press the pink <ON/C> button, located in the top-right corner of the keyboard.
Flip the device over so the green backing and battery door face up.

Remove the grey protective case and set aside.

Press the orange <2nd F> button, located in the top-left corner of the keyboard.

Press the pink <ON/C> button, located in the top-right corner of the keyboard.

Flip the device over so the green backing and battery door face up.

Step 4

              Remove the battery door screw

This screw is removable with the #0 Phillips screwdriver.
Insert the #0 Phillips screwdriver into the screw head.
Turn the screwdriver counterclockwise until the screw releases from the housing.
Carefully flip the calculator over and allow the screw to fall into the palm of your hand.
Note: The battery door may fall with the screw. If this is the case, place both parts into the small container for later use.
Place the screw into small container.

This screw is removable with the #0 Phillips screwdriver.

Insert the #0 Phillips screwdriver into the screw head.

Turn the screwdriver counterclockwise until the screw releases from the housing.

Carefully flip the calculator over and allow the screw to fall into the palm of your hand.

Note: The battery door may fall with the screw. If this is the case, place both parts into the small container for later use.

Place the screw into small container.

Step 5

              Remove the battery door (optional)

If the battery door sticks, use the 1.5 mm flat blade screwdriver or prying tool to CAREFULLY and GENTLY pull up on the left side of the door.
Remove the battery door and place in small container.

If the battery door sticks, use the 1.5 mm flat blade screwdriver or prying tool to CAREFULLY and GENTLY pull up on the left side of the door.

Remove the battery door and place in small container.

Step 6

              Remove the battery

The small LR44 battery is located on the left hand side of the battery compartment.
CAREFULLY insert the 1.5mm flat blade screwdriver into the small space located on the bottom left hand side of the battery.
GENTLY press down on the screwdriver. The battery will easily slide upward.
Remove the battery from the battery compartment.
Set battery aside to discard properly after repair.

The small LR44 battery is located on the left hand side of the battery compartment.

CAREFULLY insert the 1.5mm flat blade screwdriver into the small space located on the bottom left hand side of the battery.

GENTLY press down on the screwdriver. The battery will easily slide upward.

Remove the battery from the battery compartment.

Set battery aside to discard properly after repair.

Step 7

              Insert the new battery

Remove battery from packaging. The proper replacement battery will have “LR44” printed on the top, or positive side, of the battery.
Place replacement battery, positive side facing up and visible, into the battery compartment
Apply gentle pressure until the battery lays flush with the surrounding green housing.
Note: This step will automatically turn calculator on. If the calculator is not turned on automatically, the battery may be placed incorrectly or another issue may be causing the calculator to malfunction.

Remove battery from packaging. The proper replacement battery will have “LR44” printed on the top, or positive side, of the battery.

Place replacement battery, positive side facing up and visible, into the battery compartment

Apply gentle pressure until the battery lays flush with the surrounding green housing.

Note: This step will automatically turn calculator on. If the calculator is not turned on automatically, the battery may be placed incorrectly or another issue may be causing the calculator to malfunction.

Step 8

              Step 8: Reassemble the battery door

Ensure the two small plastic latches are oriented on the bottom and right side.
Fit battery door into the two calculator housing slots. Once placed, the battery door should lay flush with the surrounding green housing.
Ensure the screw hole on the left hand side aligns with the screw hole on the battery compartment housing.
Using the #0 Phillips screwdriver, insert the screw.
Rotate screwdriver clockwise until secure.
Note: Do not over tighten, this may crack the plastic battery door housing or otherwise break device.

Ensure the two small plastic latches are oriented on the bottom and right side.

Fit battery door into the two calculator housing slots. Once placed, the battery door should lay flush with the surrounding green housing.

Ensure the screw hole on the left hand side aligns with the screw hole on the battery compartment housing.

Using the #0 Phillips screwdriver, insert the screw.

Rotate screwdriver clockwise until secure.

Note: Do not over tighten, this may crack the plastic battery door housing or otherwise break device.

Step 9

              Turn calculator off

Note: Replacing the battery turns the calculator on automatically.
Press <2nd F> in the top left hand side of the keyboard.
Press <ON/C> in the top right hand side of the keyboard to turn the calculator off.

Note: Replacing the battery turns the calculator on automatically.

Press <2nd F> in the top left hand side of the keyboard.

Press <ON/C> in the top right hand side of the keyboard to turn the calculator off.

Step 10

              Replace the grey plastic case

Hold the calculator in the palm of your hand with the display and keyboard facing up.
Slide the grey protective case, short side facing down, from the bottom to the top of the calculator, ensuring the case slides easily along the two channels on the calculator body.

Hold the calculator in the palm of your hand with the display and keyboard facing up.

Slide the grey protective case, short side facing down, from the bottom to the top of the calculator, ensuring the case slides easily along the two channels on the calculator body.

Congratulations! You have successfully replaced the dead battery in your Sharp EL-531X calculator.

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                    Josh

Member since: 06/30/2016

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Member-Contributed Guide#

Introduction#

What you need#

Member-Contributed Guide

Introduction

What you need