Difficulty
Moderate
Steps
5
Time Required
Suggest a time??
Sections
2
- Battery
- 2 steps
- Parent Unit Motherboard
- 3 steps
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BackVTech Safe and Sound DM111-2
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Introduction
What you need
Step 1
Battery
- Expose the battery compartment by removing the lower back cover of the device.
- Do this by holding the back side of the device upside down in your hands and applying pressure to the indented portion with both thumbs.
Expose the battery compartment by removing the lower back cover of the device.
Do this by holding the back side of the device upside down in your hands and applying pressure to the indented portion with both thumbs.
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Step 2
- Once the batteries are exposed, use your index finger to push the battery against the spring and pull up to dislodge the battery.
- Make sure to check for battery acid or other corrosive substances before touching the battery. If needed, use latex gloves to avoid skin irritation from battery acid.
Once the batteries are exposed, use your index finger to push the battery against the spring and pull up to dislodge the battery.
Make sure to check for battery acid or other corrosive substances before touching the battery. If needed, use latex gloves to avoid skin irritation from battery acid.
Step 3
Parent Unit Motherboard
- Use a plastic opening tool to gently pry along the middle of the 2 sections of the plastic housing in order to release plastic latches on the inside of the housing.
- Do not take apart briskly or separate the two units completely as they are connected by thin wires.
Use a plastic opening tool to gently pry along the middle of the 2 sections of the plastic housing in order to release plastic latches on the inside of the housing.
Do not take apart briskly or separate the two units completely as they are connected by thin wires.
Step 4
- Gently pull apart the two housing component taking care not to damage the wire connecting them.
- Check the wire connections from the battery compartment to the motherboard for any cuts, burn marks, or loose wires.
- Likewise check the soldering joints for the antenna, and the power jack, and speakers, in order to make surethe issue is with the motherboard and not the wires or other components.
Gently pull apart the two housing component taking care not to damage the wire connecting them.
Check the wire connections from the battery compartment to the motherboard for any cuts, burn marks, or loose wires.
Likewise check the soldering joints for the antenna, and the power jack, and speakers, in order to make surethe issue is with the motherboard and not the wires or other components.
Step 5
- Free the motherboard by unscrewing the two 4mm phillips head screws at the top of the motherboard
- Flip over the motherboard and de-solder the wires connecting the speaker to the motherboard
Free the motherboard by unscrewing the two 4mm phillips head screws at the top of the motherboard
Flip over the motherboard and de-solder the wires connecting the speaker to the motherboard
To reassemble your device, follow these instructions in reverse order.
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Author
with 3 other contributors
Jean Carlos
Member since: 08/31/2015
201 Reputation
2 Guides authored
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Team
USF Tampa, Team 6-3, Remmell Fall 2015
Member of USF Tampa, Team 6-3, Remmell Fall 2015
USFT-REMMELL-F15S6G3
4 Members
7 Guides authored
Hyrum Clark - Nov 30, 2018
Reply
After changing the motherboard I can no longer get the device to link to the baby monitor