Introduction: How to Remove the Battery From a Denon Envaya Mini Bluetooth Speaker (DSB-100)
Considering the speaker is a highly-engineered and designed product with great sound quality, the factory battery in the Denon Envaya Mini is of poor quality and after owning it for a while, the battery's charge doesn't last very long anymore.
Being a network engineer who tinkers, and who has liked to take things apart since he was kid, I decided to tear down this speaker to see if I could replace the battery (Spoiler Alert: I couldn't because I could not find an exact replacement online with the same wiring and plug.)
Anyway, here are the tools I used to perform the steps outlined in this guide.
Total screws removed:
- 4 x Torx T5
- 12 x Phillips #1
- 10 x Phillips #00
Step 1: Remove Rubber Feet and Torx Screws
Using a plastic prier, carefully pry off both rubber feet that are held on with 3 tiny strips of adhesive tape.
Next, using Torx T5 screwdriver (I recommend Wiha), remove the two Torx T5 screws located under each foot (4 total).
Step 2: Remove Charger End Cap and Ribbon Cable
Remove the end cap that contains the Battery Status, micro USB connector, and 3.5mm audio ports by pulling it straight off.
Gently slide the ribbon cable out from the connector.
Step 3: Slide Metal Screen Off the End
Step 4: Remove the Rubber O-Ring
Step 5: Using a Flat Plastic Implement, Gently Pry Fabric Off Adhesive Tape
Go all the way around.
Step 6: Gently Remove the Fabric Along the Length of the Speaker
It's melted/welded on, so take your time.
You only need to remove one edge.
Step 7: With the Fabric Removed, Pry Off the Other End Cap and O-Ring
It's clipped on tight, so you may need to rock it a bit as you pry it off.
Step 8: Peel Back Tape Over Subwoofer Grill and Remove 4 Phillips Screws
Use a Phillips #1 screwdriver.
Step 9: Set Aside Grill and Subwoofer to Expose Main Circuit Board
Step 10: Remove 8 Phillips Screws That Holds the Main Body Together
Use Phillips #1 screwdriver.
There are four on each end.
Step 11: Using a Razor Blade, Slice the Thin Adhesive Tape Crossing the Seams
Do this on both sides and both ends (4 cuts total).
Step 12: Separate the Main Body Using a Plastic Pry Bar
Take your time in prying them apart. There are 3 clips total, as shown.
Step 13: Here Is the Separated Body
Step 14: Remove 4 Screws Holding the Main Circuit Board to the Body
Use a Phillips #00 screwdriver.
Step 15: On the Power/volume End, Slide the Cable Out of Plastic Channel
It's taped down, so use the right tool to remove it such as a small flathead screwdriver.
Step 16: On the Audio Jack End, Remove Two Screws From the Back
Step 17: On the Same End, Remove Two More Screws
Step 18: Gently Pry Off the Adhesive Tape and Remove Both Mini Circuit Boards
Pay special attention to not disconnect the tiny connector shown in the 4th photo.
Step 19: On the Other End, Remove the Two Phillips Screws
Step 20: The Main Circuit Board and Speakers Can Now Detached From the Plastic Body
Again, take your time in gently and slowly removing the parts from the body.
A lot of it is taped down, so pry them apart as needed.
Step 21: Here We See the First Glimpse of the Battery
Step 22: The Battery Is Taped Into the Body. Gently Pry It Out and Press the Tab to Remove It From the Circuit Board
Step 23: The Unit Is Now Disassembled. Here Are Photos of the Circuit Board
Note: The main circuit board is in 3 pieces -- two of which are soldered together in a 90-degree angle.
Take extra care as to not break those joints!
Assembly is the reversal of this process. To reassemble the fabric, I used clear scotch tape to hold the two ends together lengthwise. It was then covered by the main perforated metal screen once reassembled.
I could not find a replacement battery online. If you find one, please let me know. I ended up putting the entire thing back together as-is with the factory battery.
1 Person Made This Project!
- Spanishflyer made it!