Introduction

Let's look inside this hockey puck shaped wall adapter. This is an older USB AC wall adapter, not Level VI efficient, and discontinued.

This teardown is not a repair guide. To repair your Adapter, use our service manual.

This power supply is slim and unusually attractive. That white case is 39mm in diameter, and 15mm thick: pretty small for this power level (see heat sinks later). The case is glued together, so you're not going to get into this one cleanly.  I sawed a slot in the side, and used a screwdriver to crack the glue.
  • This power supply is slim and unusually attractive.

  • That white case is 39mm in diameter, and 15mm thick: pretty small for this power level (see heat sinks later).

  • The case is glued together, so you're not going to get into this one cleanly. I sawed a slot in the side, and used a screwdriver to crack the glue.

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The wall power pins lead to two spring contacts. There's a plastic barrier between the low voltage and high voltage sides (you can't get much better than that!). There's a plastic barrier between the low voltage and high voltage sides (you can't get much better than that!).
  • The wall power pins lead to two spring contacts.

  • There's a plastic barrier between the low voltage and high voltage sides (you can't get much better than that!).

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Pretty tight layout. Note the heat sink with thermal interface material, and the landing pads for the line voltage springs.
  • Pretty tight layout.

  • Note the heat sink with thermal interface material, and the landing pads for the line voltage springs.

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Bryce Nesbitt

Member since: 11/30/2014

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