V1 Control Head Internal Power Supply Replacement Guide

Requirements

Hardware

Recommended tools and supplies (not included)

• Phillips screwdriver

• 3/16" Hex driver

Step-by-step guide

Step 1 - Removing the old Control Head

1. Flip the white switch on the rear of the Control Head to the OFF position.

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   Control Head switch in the OFF position

2. Disconnect all cables from the front and rear of the Control Head unit.

   1. Technical Support recommends taking a picture of the existing connections with a camera or smartphone as a reference for the reinstallation process.

3. Remove the screws securing the Control Head mounting wings to the X-Changer server rack, if applicable.

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Step 2 - Removing Control Head mounting wings

1. With the Control Head taken out of the X-Changer cabinet using a 3/16” hex driver, remove the screws securing the mounting wings to the sides of the Control Head.

   1. Set screws and wings aside for reassembly.

Step 3 - Opening the Control Head

1. Remove all of the screws indicated in the composite image below.

   1. Set screws aside for reassembly.

2. Gently raise the top panel to gain access to the interior of the Control Head. Be cautious not to lift it completely, as some cables may prevent you from doing so.

3. Disconnect the USB cable and parallel (ribbon) cables.

4. The top panel may now be completely removed.

Step 4 - Removing the failed PSU

1. Note the location of the existing wires connected to the power supply that requires replacement.

   1. The larger power supply is the 15-volt supply and the smaller is the 12-volt supply.

   2. CCI Technical Support recommends taking a picture of the existing wire connections with a camera or smartphone as these connections must be exactly duplicated with the replacement power supply.

2. Remove screws securing wires to the power supply.

3. Remove the screws securing the power supply to the Control Head case (located on the bottom of the Control Head).

4. Lift the power supply free from the Control Head case.

Step 5 - Installing the replacement PSU

1. Reverse the process listed in Steps 1-4 to install the new PSU.

2. Once the new PSU is installed and all wires are connected to it, turn the orange plastic screw adjacent to the PSU wiring screws clockwise until it stops (do not overturn).

3. Power on the Control Head and verify the PSU is working properly.