Panasonic Lumix DMC-GX85 Main PCB Replacement

Introduction

The Main PCB is one of the most important parts of the Panasonic Lumix DMC-GX85; it cannot function properly without one. Replacing a faulty Main PCB is made easy here.

What you need

Step 1 Rear Cover

Panasonic Lumix DMC-GX85 Main PCB Replacement, Rear Cover: step 1, image 1 of 3

Panasonic Lumix DMC-GX85 Main PCB Replacement, Rear Cover: step 1, image 2 of 3

Panasonic Lumix DMC-GX85 Main PCB Replacement, Rear Cover: step 1, image 3 of 3

Remove the plastic hot shoe cover by sliding it towards the rear of the camera.

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Step 2

Panasonic Lumix DMC-GX85 Main PCB Replacement: step 2, image 3 of 3

Using a spudger, gently lift the forward end of the shoe spring to disengage its locking mechanism.
While holding the forward end of the shoe spring up, push from its lifted end to remove the shoe spring.

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Step 3

Remove the two 6.0mm silver Phillips #0 screws closest to the display screen.
Do not remove the two forward-most silver screws.

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Step 4

Turn the camera so the side with the jack cover is facing you.
Near the camera's top end, remove the 4.0mm black Phillips #0 screw on the bottom in this orientation.
Open the jack cover and remove the 4.0mm black Phillips #0 screw inside.

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Step 5

Flip the camera upside down so the bottom of the camera is facing you.
Remove the two center 2.5mm black Phillips #0 screws.
Remove the outer 4.5mm black Phillips #0 screw.

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Step 6

Panasonic Lumix DMC-GX85 Main PCB Replacement: step 6, image 3 of 3

Turn the camera so the display screen is facing you.
Rotate the top of the screen away from the camera body to access and remove the 4.5mm black Phillips #0 screw.
Remove the rear camera cover by gently pulling from the top side.
When removing the rear cover, pull apart slowly to prevent damaging the ribbon cable connecting the display screen and the Sub PCB.

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Step 7

Panasonic Lumix DMC-GX85 Main PCB Replacement: step 7, image 3 of 3

Turn the camera so the lens is facing down with the rear cover pulled back.
Disconnect the ribbon cable from the camera by pulling up on the black locking tab with an iFixit opening tool.
Pull the ribbon cable from the connector. The rear cover is now completely detached from the camera.
Do not bend the ribbon cable excessively and take care not to damage the ribbon cable.

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Step 8 Main PCB

Panasonic Lumix DMC-GX85 Main PCB Replacement, Main PCB: step 8, image 1 of 2

Panasonic Lumix DMC-GX85 Main PCB Replacement, Main PCB: step 8, image 2 of 2

Remove the three 3.5mm silver Phillips #0 screws mounting the main PCB to the camera frame.

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Step 9

Panasonic Lumix DMC-GX85 Main PCB Replacement: step 9, image 3 of 3

Disconnect the eight ribbon cables from the main PCB by pulling up on the black locking tabs with an iFixit opening tool.
Pull the ribbon cables from the connectors.
Do not bend the ribbon cable excessively and take care not to damage the ribbon cable.