Panasonic Lumix Dmc G7 Electronic Viewfinder Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          1 - 2 hours

Sections

Mainboard
9 steps
Electronic Viewfinder
11 steps

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Introduction

What you need

Step 1

              Mainboard

Unlock and open the battery compartment on the bottom of the camera.
Remove both the battery and SD card.

Unlock and open the battery compartment on the bottom of the camera.

Remove both the battery and SD card.

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Step 2

Remove the four indicated 3.0mm long black screws from the bottom of the camera and the viewfinder housing using a PH0 Phillips screwdriver.
There are four screws on the bottom of the camera. Only remove the two nearest to the screen.

Remove the four indicated 3.0mm long black screws from the bottom of the camera and the viewfinder housing using a PH0 Phillips screwdriver.

There are four screws on the bottom of the camera. Only remove the two nearest to the screen.

Step 3

Remove the four indicated 6.0mm long black screws using a PH0 Phillips screwdriver.
Three of the screws are located on the sides of the chassis and one is directly underneath the battery compartment lid.

Remove the four indicated 6.0mm long black screws using a PH0 Phillips screwdriver.

Three of the screws are located on the sides of the chassis and one is directly underneath the battery compartment lid.

Step 4

Remove the viewfinder eye cup by pulling up and out from the bottom to separate the locking clips from the camera.
Do not flex the eye cup too aggressively as it may lose its shape.
Remove the two indicated silver 3.5mm long screws adjacent to the viewfinder screen using a PH0 Phillips screwdriver.

Remove the viewfinder eye cup by pulling up and out from the bottom to separate the locking clips from the camera.

Do not flex the eye cup too aggressively as it may lose its shape.

Remove the two indicated silver 3.5mm long screws adjacent to the viewfinder screen using a PH0 Phillips screwdriver.

Step 5

Use an iFixit opening tool (or similarly long and thin object) to insert into the gap between the two camera halves and pry the camera apart from the top.

Use an iFixit opening tool (or similarly long and thin object) to insert into the gap between the two camera halves and pry the camera apart from the top.

Step 6

Remove the two indicated ribbon cables before separating the two halves of the camera.
Using a flat object, pry open the black tabs above the ribbon cable connectors by gently pulling away from the motherboard.
An opening pick is recommended, but any equally small and flat object will work.
Ribbon cables are fragile, so put as little stress on them as possible.

Remove the two indicated ribbon cables before separating the two halves of the camera.

Using a flat object, pry open the black tabs above the ribbon cable connectors by gently pulling away from the motherboard.

An opening pick is recommended, but any equally small and flat object will work.

Ribbon cables are fragile, so put as little stress on them as possible.

Step 7

Remove the 4 indicated flex cables from top of mainboard
Remove the indicated small flex cable from top of mainboard.
The small flex cable does not have a lock: simply pull to disconnect it.

Remove the 4 indicated flex cables from top of mainboard

Remove the indicated small flex cable from top of mainboard.

The small flex cable does not have a lock: simply pull to disconnect it.

Step 8

Remove the 3 indicated flex cables from the bottom of the mainboard.

Remove the 3 indicated flex cables from the bottom of the mainboard.

Step 9

Remove the 4 indicated red 3.0mm long screws from the corners of mainboard using a Phillips PH0 screwdriver.
With the eyepiece facing away from you, pull up on the main PCB from the left side and then pull it away from the chassis.
There is a plastic locking tab on the bottom of the camera that holds the mainboard PCB.
A replacement mainboard can be purchased from AliExpress here

Remove the 4 indicated red 3.0mm long screws from the corners of mainboard using a Phillips PH0 screwdriver.

With the eyepiece facing away from you, pull up on the main PCB from the left side and then pull it away from the chassis.

There is a plastic locking tab on the bottom of the camera that holds the mainboard PCB.

A replacement mainboard can be purchased from AliExpress here

Step 10

              Electronic Viewfinder

Remove the three indicated red 3.0mm screws from heat sink shield using a Phillips PH0 screwdriver, then remove the heat sink.

Remove the three indicated red 3.0mm screws from heat sink shield using a Phillips PH0 screwdriver, then remove the heat sink.

Step 11

Use a Phillips PH0 screwdriver to remove the two indicated black 6.0mm long screws from top of camera, underneath the flash mechanism.
Remove the indicated black 4.0mm long screw from the top of the camera.

Use a Phillips PH0 screwdriver to remove the two indicated black 6.0mm long screws from top of camera, underneath the flash mechanism.

Remove the indicated black 4.0mm long screw from the top of the camera.

Step 12

Remove the three indicated silver 5.0mm long screws from the back of the camera and the right side using a Phillips PH0 screwdriver.
The two screws on the back require a very thin screwdriver as they are only accessible through the holes on the back shield.

Remove the three indicated silver 5.0mm long screws from the back of the camera and the right side using a Phillips PH0 screwdriver.

The two screws on the back require a very thin screwdriver as they are only accessible through the holes on the back shield.

Step 13

Remove the front grip from the camera by pulling it forward and out.

Remove the front grip from the camera by pulling it forward and out.

Step 14

Remove the indicated black 4.0mm long screw from the side under the front cover using a Phillips PH0 screwdriver.

Remove the indicated black 4.0mm long screw from the side under the front cover using a Phillips PH0 screwdriver.

Step 15

Remove the indicated silver 5.0mm long screw from under the front cover using a Phillips PH0 screwdriver.

Remove the indicated silver 5.0mm long screw from under the front cover using a Phillips PH0 screwdriver.

Step 16

Lift the top unit away, separating it from the rest of the unit.

Lift the top unit away, separating it from the rest of the unit.

Step 17

Pull the top panel away from the rest of the camera to reveal the flash wire and plastic cover.
Use a spudger (or other small prying tool) to release the locking tab on the plastic cover.
Pull the flash wire out under the plastic capacitor PCB cover. At the same time lift the cover away.

Pull the top panel away from the rest of the camera to reveal the flash wire and plastic cover.

Use a spudger (or other small prying tool) to release the locking tab on the plastic cover.

Pull the flash wire out under the plastic capacitor PCB cover. At the same time lift the cover away.

Step 18

Remove the two indicated black 6.0mm long screws next to the viewfinder unit using a Phillips PH0 screwdriver.

Remove the two indicated black 6.0mm long screws next to the viewfinder unit using a Phillips PH0 screwdriver.

Step 19

Pull the viewfinder unit away from the camera top.

Pull the viewfinder unit away from the camera top.

Step 20

Disconnect the four indicated locking tabs and remove the LVF module from the mounting unit using a spudger (or other small prying tool).

Disconnect the four indicated locking tabs and remove the LVF module from the mounting unit using a spudger (or other small prying tool).

To reassemble your device, follow these instructions in reverse order.

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Author

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                    Alden Chu

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Team

                       Oregon Institute of Technology, Team S2-G8, Lancaster Spring 2019                        

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Introduction#

What you need#

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Introduction

What you need

Team