RCA 22” DECK215R HDTV Motherboard Replacement

はじめに

If your television emits sound but does not display visuals and all TV the settings are correct, this guide explains how to replace a faulty motherboard.

The capacitors in televisions can store a potentially fatal charge for several months after the TV is unplugged and must be properly discharged to safely handle the motherboard.

必要な工具と部品

手順1 Removing the Stand

RCA 22” DECK215R HDTV Motherboard Replacement, Removing the Stand: 手順 1、 2の画像 1

RCA 22” DECK215R HDTV Motherboard Replacement, Removing the Stand: 手順 1、 2の画像 2

Before disassembling your television, ensure that all cables are unplugged from their power source to avoid serious injury or death from electrocution.
Lay the TV flat with the screen facing down.
Remove the four, 12mm Phillips #2 screws from the back of the TV stand. Support the TV from underneath as you remove the screws, so the bottom does not fall on the table.
Remove the stand by lifting it away from the TV's backing.

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手順2 Removing the Back Panel

RCA 22” DECK215R HDTV Motherboard Replacement, Removing the Back Panel: 手順 2、 2の画像 1

RCA 22” DECK215R HDTV Motherboard Replacement, Removing the Back Panel: 手順 2、 2の画像 2

Remove the twelve, 6mm Phillips #2 screws from the middle of the TV's rear casing.
Remove the seven, 9mm Phillips #2 screws from the outer edge of the TV's rear casing.
While holding the screen down, pull the back panel up slowly, ensuring that you do not forcibly disconnect the remaining ribbon cable.

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手順3 Locate Pin

RCA 22” DECK215R HDTV Motherboard Replacement, Locate Pin: 手順 3、 1の画像 1

Position the television to where the back panel is resting on the table and the screen is vertical.
Peel the tape covering the ribbon cable horizontally.

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手順4

RCA 22” DECK215R HDTV Motherboard Replacement: 手順 4、 3の画像 3

Pinch the clamps on both sides of the ribbon cable casing to detach it from the screen panel.
Remove the screen to isolate the back panel.

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手順5 Detaching the Motherboard

RCA 22” DECK215R HDTV Motherboard Replacement, Detaching the Motherboard: 手順 5、 2の画像 1

RCA 22” DECK215R HDTV Motherboard Replacement, Detaching the Motherboard: 手順 5、 2の画像 2

Identify the motherboard in the rear casing.
Remove the ground cable from the motherboard by gently lifting it up as shown.
Remove the six 6mm Phillips #2 screws from the perimeter of the motherboard.

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手順6 Preparing the Motherboard for Replacement

RCA 22” DECK215R HDTV Motherboard Replacement, Preparing the Motherboard for Replacement: 手順 6、 3の画像 1

RCA 22” DECK215R HDTV Motherboard Replacement, Preparing the Motherboard for Replacement: 手順 6、 3の画像 2

RCA 22” DECK215R HDTV Motherboard Replacement, Preparing the Motherboard for Replacement: 手順 6、 3の画像 3

Caution: Before you remove the motherboard, be cautious of the many capacitors throughout that could cause serious injury or death. Use a discharge probe to safely rid the capacitors of dangerous charges. The following link provides an instructional video for how to properly complete this step: https://www.youtube.com/watch?v=M-AIbrbT....
Wearing rubber gloves and rubber soled shoes while working with and near the capacitors ensures greater safety and protection against electric shock. See iFixit's Project Safety page for additional safety information.
Remove the motherboard by gripping the rubber stopper as shown and lifting the motherboard up out of its plastic housing.
Carefully flip the motherboard over and locate the nineteen capacitors.
Notice the six cables attached to the motherboard. Pull on each cable connector with moderate to heavy force to remove them.