Motorola Talkabout FV700R Circuit Board Replacement

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はじめに

The circuit board is the connecting point of all components in the radio. If the circuit board is malfunctioning, the radio will not function until the circuit board is replaced. Follow the steps below to properly replace the circuit board of the radio.

必要な工具と部品

手順1 Battery

Motorola Talkabout FV700R Circuit Board Replacement, Battery: 手順 1、 1の画像 1

Remove the back battery cover by pressing the tab to the left, and lifting.
A small screwdriver can aid this process.

翻訳

手順2

Remove the batteries currently in the radio.
When you're ready to add new batteries, place Ni-MH or AAA replacement batteries in the specified slots.
The orientation of the batteries is specified in the battery compartment.

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手順3 Volume Knob

Motorola Talkabout FV700R Circuit Board Replacement, Volume Knob: 手順 3、 1の画像 1

Turn the Volume knob to the off position.

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手順4

Firmly grasp and pull back on the volume knob. The knob should come off smoothly.
This may require some twisting and force.

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手順5 Front Faceplate

Motorola Talkabout FV700R Circuit Board Replacement, Front Faceplate: 手順 5、 1の画像 1

Remove the four 3 millimeter T6 Torx screws from the front of the radio.

翻訳

手順6

Remove the four 3 millimeter T8 Torx screws from the back of the radio.

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手順7

Motorola Talkabout FV700R Circuit Board Replacement: 手順 7、 3の画像 3

Gently open the backplate of the radio. Use a flathead screwdriver to slowly pry apart the two sides.
Be careful, as the antenna is still attached. Pulling the two sides apart too quickly could break the antenna.

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手順8

Gently pull the circuit board away from the front faceplate.
Be careful not to tug the wire connecting the circuit board to the speaker, as it is still attached to the faceplate.
Do not touch the the button contacts on the circuit board (the button contacts are shown in the red box of the second picture). This can cause long-term damage to the radio unless you properly clean them (see Repairing Motorola TALKABOUT FV700 Two Way Radio Button Contacts Guide).

翻訳

手順9 Circuit Board

Motorola Talkabout FV700R Circuit Board Replacement, Circuit Board: 手順 9、 3の画像 1

Motorola Talkabout FV700R Circuit Board Replacement, Circuit Board: 手順 9、 3の画像 2

Motorola Talkabout FV700R Circuit Board Replacement, Circuit Board: 手順 9、 3の画像 3

To remove the speaker from the faceplate, insert a paperclip through the front faceplate and push.
The speaker is glued to the front faceplate, so it may take some force to remove the speaker.

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手順10

Motorola Talkabout FV700R Circuit Board Replacement: 手順 10、 3の画像 3

Now the circuit board can be removed from the back faceplate.
To do this, grip the back faceplate in one hand and the antenna in the other. Pull and twist the antenna away from the back faceplate. The circuit board should be removed with the antenna, as they are attached.

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手順11

After pulling the circuit board away from the backplate, the result should be as shown in the picture.

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手順12

Remove all wires from the circuit board with a soldering iron.
Be careful when using the soldering iron.
Properly dispose of the old circuit board and solder the speaker onto the new circuit board.