Introduction

This guide provides instructions for removal of the internal battery from the 781HD DVR camcorder. Replacement of the battery requires soldering and removal of potting compound from the terminals. This guide should be followed only if the reader is comfortable with soldering on small electrical boards.

Begin with the camcorder lens up on a clear working surface. Remove the two 4mm Phillips #1 screws holding the switch plate in place. Rotate the device 180 degrees and repeat for the screws on the opposite side. Remove the two 4mm Phillips #1 screws holding the switch plate in place. Rotate the device 180 degrees and repeat for the screws on the opposite side.
  • Begin with the camcorder lens up on a clear working surface.

  • Remove the two 4mm Phillips #1 screws holding the switch plate in place. Rotate the device 180 degrees and repeat for the screws on the opposite side.

Slide the plastic opening tool into the seam between the front and back sections of the case and apply a small amount of force to pop the case open.
  • Slide the plastic opening tool into the seam between the front and back sections of the case and apply a small amount of force to pop the case open.

Move the plastic opening tool around the seam and apply force at each step to separate the front plate from the back plate and motherboard. The battery is held to the front half of the case with double-sided tape. Peel it up with a finger, being careful not to damage the battery. The battery is held to the front half of the case with double-sided tape. Peel it up with a finger, being careful not to damage the battery.
  • Move the plastic opening tool around the seam and apply force at each step to separate the front plate from the back plate and motherboard.

  • The battery is held to the front half of the case with double-sided tape. Peel it up with a finger, being careful not to damage the battery.

New Battery = Faster iPhone
Fix Kits starting at $16.99
Using a P1 screwdriver, remove the 4mm screws holding the motherboard into the case. Using a P1 screwdriver, remove the 4mm screws holding the motherboard into the case.
  • Using a P1 screwdriver, remove the 4mm screws holding the motherboard into the case.

Gently lift the motherboard, handling it by the edges.
  • Gently lift the motherboard, handling it by the edges.

The battery connections are reinforced by black potting compound. Gently pry it away with a plastic spudger. Be very careful with this step, as applying too much force can damage the motherboard or the components on it.
  • The battery connections are reinforced by black potting compound. Gently pry it away with a plastic spudger.

  • Be very careful with this step, as applying too much force can damage the motherboard or the components on it.

Melt the soldered battery connections with a soldering iron and gently pull the battery wires away.
  • Melt the soldered battery connections with a soldering iron and gently pull the battery wires away.

Conclusion

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

3 other people completed this guide.

Nathan McDaniel

Member since: 02/13/2016

533 Reputation

3 Guides authored

Team

IUPUI, Team 54-6, Wilson Spring 2016 Member of IUPUI, Team 54-6, Wilson Spring 2016

IUPUI-WILSON-S16S54G6

3 Members

5 Guides authored

Add Comment

View Statistics:

Past 24 Hours: 1

Past 7 Days: 9

Past 30 Days: 73

All Time: 1,288