Pentax Optio WG-3 GPS Motherboard Replacement

Introduction

If your Pentax Optio WG-3 GPS camera will not power on or function, refer to this guide to replace the motherboard. When handling the silver circuitry cover in step 6 use extreme caution to not bend the cover too far because the cover is extremely fragile.

In step 10, you will need to desolder the connecting pins to the motherboard. Before starting, be sure the device is fully powered off and be sure to remove the battery.

What you need

Step 1 Motherboard

Pentax Optio WG-3 GPS Motherboard Replacement, Motherboard: step 1, image 1 of 1

Turn over the camera so the screen is facing up.
Remove the four 5 mm Phillips #000 screws that secure the outer cover.

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Step 2

Flip over the camera so the bottom is facing up.
Use the Phillips PH0005 again to remove one more 5mm screw.
Remove the cover.

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Step 3

Remove the eight 5 mm Phillips #000 screws holding the circuitry together.

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Step 4

Carefully remove the circuitry.

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Step 5

There is a large silver sticker on top of the motherboard, gently remove it off of the motherboard.

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Step 6

Gently use the spudger set to lift open the clamps that are holding the orange ribbons down.
Pull out the ribbons and remove the motherboard from the body of the camera.

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Step 7

Remove the battery on the back of the motherboard.

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Step 8

Unscrew and remove one 2 mm Phillips #00 screw to remove the flash component on the top of the circuitry.

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Step 9

Remove three 5 mm Phillips #000 screws from the left side of the motherboard.

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Step 10

Remove two ribbon cables from the small circuit.
Remove the ribbon cable that holds the sensor to the motherboard.

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Step 11

The sensor is ready to be pulled out, carefully remove the sensor.

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Step 12

Unscrew and remove three 5 mm screws from the front panel of the battery compartment.

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Step 13

Pull the black panel away from the front panel.

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Step 14

At the top of the circuit board there are three soldered dots that need to be unsoldered to remove the back of the battery component from the motherboard.
The motherboard can now be pulled and replaced.

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