Difficulty

Moderate

Steps

10

Time Required

                          45 minutes

Sections

1

  • Blackvue DR650GW-2CH Dashcam RTC Battery Replacement
  • 10 steps

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4

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Introduction

https://www.amazon.ca/gp/product/B08MQK8…

What you need

Step 1

              Remove the plastic window
  • Using a small jeweller’s flat bladed screwdriver, carefully pry up one corner of the plastic window covering the WiFi LED on the end of the dashcam.
  • Once you’ve pried the window slightly, you can use a plastic spudger to gently lift up the window without damaging it.
  • Remove the window and set it aside.
  • If you’re careful, the adhesive will be sticky enough to replace the window securely when you’re done with this repair!

Using a small jeweller’s flat bladed screwdriver, carefully pry up one corner of the plastic window covering the WiFi LED on the end of the dashcam.

Once you’ve pried the window slightly, you can use a plastic spudger to gently lift up the window without damaging it.

Remove the window and set it aside.

If you’re careful, the adhesive will be sticky enough to replace the window securely when you’re done with this repair!

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Step 2

  • Once the window is removed, you should see a screw adjacent to the circuit board.
  • Proceed to remove the screw using your Philips head screwdriver.

Once the window is removed, you should see a screw adjacent to the circuit board.

Proceed to remove the screw using your Philips head screwdriver.

Step 3

  • Near the opposite end of the dashcam from where you removed the plastic window, you’ll see a small opening on the side of the end-cap.
  • Using a small flat bladed screwdriver, press on the plastic tab that you find inside that opening.
  • Pressing on that tab should release the plastic end-cap so that you can slide it off the end of the dashcam’s cylindrical body.
  • The 3rd photo shows the end-cap after it’s been removed.

Near the opposite end of the dashcam from where you removed the plastic window, you’ll see a small opening on the side of the end-cap.

Using a small flat bladed screwdriver, press on the plastic tab that you find inside that opening.

Pressing on that tab should release the plastic end-cap so that you can slide it off the end of the dashcam’s cylindrical body.

The 3rd photo shows the end-cap after it’s been removed.

Step 4

              Separating the body
  • Next step is to separate the two halves of the cylindrical dashcam body. I used an old credit card as well as a spudger tool for this step.
  • Starting from the right end, work your way carefully along the horizontal crack between the two halves using a spudger and/or credit card. Be patient, don’t use too much force or you may break one or more of the internal plastic tabs.
  • Once you’ve loosened the tabs holding one side of the body, turn the dashcam over and loosen the other side.
  • In the 3rd photo, you can see the location of 2 of the internal tabs holding the body together, in the small opening betwen halves. There are 4 of these internal tabs on each side.

Next step is to separate the two halves of the cylindrical dashcam body. I used an old credit card as well as a spudger tool for this step.

Starting from the right end, work your way carefully along the horizontal crack between the two halves using a spudger and/or credit card. Be patient, don’t use too much force or you may break one or more of the internal plastic tabs.

Once you’ve loosened the tabs holding one side of the body, turn the dashcam over and loosen the other side.

In the 3rd photo, you can see the location of 2 of the internal tabs holding the body together, in the small opening betwen halves. There are 4 of these internal tabs on each side.

Step 5

              Open the dashcam body
  • Once both sides are loosened, you can separate the top and bottom halves of the dashcam body.
  • Be careful not to break the red/black wires going to the piezo-electric speaker on the upper half.

Once both sides are loosened, you can separate the top and bottom halves of the dashcam body.

Be careful not to break the red/black wires going to the piezo-electric speaker on the upper half.

Step 6

              Separate the circuit boards
  • Inside the dashcam, there are two stacked circuit boards. Using a flat bladed screwdriver or spudger tool, gently pry the top circuit board up from the bottom circuit board.
  • There are 3 connectors between the 2 circuit boards holding them together. In the 2nd photo, for reference you can see these 3 connectors (outlined in red), once the boards have been separated. You can also see the bottom side of the upper circuit board here, where the RTC battery is found.

Inside the dashcam, there are two stacked circuit boards. Using a flat bladed screwdriver or spudger tool, gently pry the top circuit board up from the bottom circuit board.

There are 3 connectors between the 2 circuit boards holding them together. In the 2nd photo, for reference you can see these 3 connectors (outlined in red), once the boards have been separated. You can also see the bottom side of the upper circuit board here, where the RTC battery is found.

Step 7

              Remove the battery's tubing
  • Once you’ve separated the 2 circuit boards, you’ll see the RTC battery mounted on the bottom side of the upper board. In the first photo you’ll see it’s covered by a piece of clear rubber tubing, for insulation.
  • Carefully slide off the clear rubber tubing/insulation, and set it aside for replacement later.
  • The 2nd photo shows the RTC battery after the insulation has been removed.

Once you’ve separated the 2 circuit boards, you’ll see the RTC battery mounted on the bottom side of the upper board. In the first photo you’ll see it’s covered by a piece of clear rubber tubing, for insulation.

Carefully slide off the clear rubber tubing/insulation, and set it aside for replacement later.

The 2nd photo shows the RTC battery after the insulation has been removed.

Step 8

              Desolder the terminals
  • Using a soldering iron and desoldering pump, carefully heat the 2 battery terminals and suck off the solder.
  • A pair of tweezers may be helpful to lift and remove the battery once the solder has been heated.
  • Remove the old battery and clean off any excess solder from the circuit board battery terminals.

Using a soldering iron and desoldering pump, carefully heat the 2 battery terminals and suck off the solder.

A pair of tweezers may be helpful to lift and remove the battery once the solder has been heated.

Remove the old battery and clean off any excess solder from the circuit board battery terminals.

Step 9

              The replacement battery
  • The battery used is a Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity.
  • The battery terminals are pre-bent to both lie flat against the circuit board when the battery is oriented with the correct side up.

The battery used is a Seiko MS621FE FL11E 3V 5.5mAHr Rechargeable Battery Super Capacity.

The battery terminals are pre-bent to both lie flat against the circuit board when the battery is oriented with the correct side up.

Step 10

              Solder the new battery
  • Position the new battery over the circuit board so its terminals line up with the corresponding pads on the circuit board.
  • Solder the new battery to the circuit board, being careful not to overheat the circuit board traces nor create any shorts.
  • Slide the rubber tubing/insulation onto the new battery.
  • Carefully align and reconnect the 3 connectors between the two stacked circuit boards together, then reassemble the dashcam body and you’re done!

Position the new battery over the circuit board so its terminals line up with the corresponding pads on the circuit board.

Solder the new battery to the circuit board, being careful not to overheat the circuit board traces nor create any shorts.

Slide the rubber tubing/insulation onto the new battery.

Carefully align and reconnect the 3 connectors between the two stacked circuit boards together, then reassemble the dashcam body and you’re done!

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

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                    bac

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