APC Back-UPS Pro 1000 S Teardown

Escrito Por: TheLastMillennial
Publicado em: 24/08/25
  • Comentários: 0

APC Back-UPS Pro 1000 S Teardown

Publicado em: 24/08/25

Teardown

Introdução

⚠⚡ This device contains high voltage capacitors. Wear high voltage PPE when the main circuit board is exposed.

ℹ This device uses three different lengths of Phillips head screws.

ℹ The devices shown in this guide already has the power cable removed. This does not change any steps.

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    • Safely shut down and unplug all devices connected to the UPS.

    • Hold the power button to power the UPS off.

    • Unplug the UPS from the wall.

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    • Lay the UPS on its side. (Validate the orientation using the picture)

    • Push down hard on both sides of the APC logo.

    • Pull the slide cover towards you to remove.

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    • Pull on the battery pull tabs with the cables still attached. (In the picture the cables are already disconnected)

    • There should be enough slack in the cables to set the battery back down at an angle. This will let you access both cables.

    • Unplug both cables. Preferably unplug red first.

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    • Remove the 5 phillips head screws in the battery compartment.

    • The black component (circled in green) is a temperature sensor. It can be left alone.

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    • Turn the UPS so the screen faces you.

    • Stick a spudger in the cutout (outlined in red) to release the plastic snaps.

    • The snaps are firm so take your time and work your way across each edge.

    • Remove the 6 phillips head screws (circled in red).

    • Pull the face plate toward you to remove. It should take very little effort to remove.

    • The buttons are captive and will not fall out.

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    • Remove the two phillips head screws (circled in red).

    • These are a different size than the previous screws!

    • Lift the low-voltage circuit board to remove it. Note: It pivots at the bottom.

    • You may remove the connectors on the circuit board. Refer to this guide for removing connectors: Recognizing & Disconnecting Cable Connectors

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    • Turn the UPS with the back facing you.

    • Remove the 6 phillips head screws.

    • Pull the backplate towards you to remove. It is connected to many wires and could take some effort to get loose. You cannot fully remove it.

    • Do not touch any exposed metal since it is connected to the high-voltage circuit board.

    • The back plate just needs to be about a centimeter away from the rest of the shell.

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    • Turn the UPS with the battery compartment facing you.

    • Insert a plastic spudger into the bottom middle hole (outlined in red) to separate the plastic snap.

    • There are no high-voltage components in this area.

    • Pull up on the plastic shell to release it.

    • There are small plastic snaps at the top of the UPS but pulling hard enough should release them without breaking.

    • Once the shell is free, remove the cables from the battery compartment. The red wire may take some wiggling but it will fit through the hole.

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    • ⚡ Wear high-voltage PPE for any further disassembly.

    • The transformer (outlined in red) can seriously electrocute you. Do not misuse it.

    • Be careful with the 400v capacitors. (circled in orange)

    • The metal towers (circled in blue) are heat sinks for mosfets. The mosfet part number is: IRFB7440 IOR P806J JK GO. These can explode under use and trigger an F02 error on the unit.

    • The relays (circled in yellow) can break which will also cause an F02 error on the unit.

    • The bottom of the circuit board cannot be accessed yet. The picture fit better here than the next step though.

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    • Unplug all wires from the circuit board. Some are very difficult to remove.

    • You cannot remove the thick black and red wire without desoldering.

    • Unscrew the 2 Torx T25 screws (circled in blue) on the metal posts to remove the wires.

    • Unscrew the 4 phillips head screws (circled in red).

    • Release the plastic snaps (outlined in yellow). You may need to pull up on the board to keep the snaps released. The board will pivot at the top.

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TheLastMillennial

Membro desde: 18/07/18

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