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crwdns2944351:0crwdnd2944351:0Power Brick Cord Repaircrwdnd2944351:0crwdne2944351:0

crwdns2933797:0gordonhamachicrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 gordonhamachi

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Electronics
Type
technique
Title
Power Brick Cord Repair
Introduction
Power bricks are essential to operating our electronic devices. Even manufacturers who are known for their quality products are guilty of producing power bricks that quickly go bad. You could simply pay a premium price to buy a new replacement power brick from the device maker, but it is usually fairly simple to repair the existing power brick to be as good as new. These instructions are fairly general, but I will use as an example the power brick for some Bose Companion 20 speakers. This power brick is labeled as BOSE model PSM36W-180. The procedure for Apple laptop power bricks is very similar.
Most power bricks fail in the same way. The insulation starts to disintegrate near where the DC output cord exits the power brick, leaving bare wires exposed. Now you have a safety hazard that could lead to a short circuit.
You could try to cover this up with electrical tape, but the bad spot might persist underneath the tape or inside the plastic stress relief stub where the cord exits the power brick. I will show you how you can remove the bad part of the cord, leaving the remaining cord as good as new.
Time Required Min
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Time Required Max
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Imageid
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Difficulty
Moderate
Conclusion
To reassemble your device, follow these instructions in reverse order.
Author
gordonhamachi
Public
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  • Soldering Iron x1 low wattage preferred added.
  • WORKPRO Bench Vise x1 or really any vise large enough to fit the power brick added.
  • Wire Stripper x1 added.
  • Wood Block scrap x2 added.
  • Drill bit set very small sizes x1 added.
  • Paper Clip x1 added.
  • Desoldering Sucker x1 or desoldering wick added.

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  • Solder ROHS Lead Free Rosin Core x1 added.

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  • In Progress added.
  • Community-Contributed Guide added.

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