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Introduction

Use this guide to replace the daughter board of a Tivax STB-T9 Digital TV Converter Box.

The daughter board receives signals from the TV remote and transmits them to the main circuit board to control the TV. It also recieves signals from the buttons on the front of the converter (Power Button and Channel Up/Down). Without the daughter board, the converter will not work, so it is an essential component of the device.

What you need

Step 1 Daughterboard

Tivax STB-T9 Daughterboard Replacement, Daughterboard: step 1, image 1 of 2

Tivax STB-T9 Daughterboard Replacement, Daughterboard: step 1, image 2 of 2

Locate the Tivax STB-T9 Digital TV Converter and unplug the device from power outlet.

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Step 2

Using the Phillips #2 screwdriver, remove the screws from the sides of the box. (There are two screws, one on each side.)
You will be using the same Phillips #2 screwdriver (or bit P2 from the iFixit tool kit) for the all the screws removed in this guide.

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Step 3

Use the screwdriver to remove the two screws found on the back of the device.

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Step 4

Turn the converter upside down.
Using the screwdriver, remove the two screws that connect the face plate to the main box.

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Step 5

Once the screws are removed, lift up on the back of the case and then slide it backwards to remove it from the device.
To ensure that the case fits when putting it back on, make sure the plastic surrounding the power cord is not in the way.

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Step 6

With the cover removed, you will be able to access the internal components of the device.
Locate the white connector attached to the faceplate by black wires.
Place your forefinger and thumb on the sides of the connector. With little force, you should be able to pull the connector out.
Do not pull the connector out by yanking on the wires. This could rip them out of of the connector and cause damage. Only pull using the white plastic connector.

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Step 7

Tivax STB-T9 Daughterboard Replacement: step 7, image 3 of 3

Locate the daughter board in the face plate.
Using the Phillips screwdriver, remove the four screws that connect the daughter board to the face plate.
Be sure to keep the daughter board screws separate from the face plate screws to avoid confusing them.
Once the screws are removed, gently lift up on the daughter board to remove it from the face plate.