Sony FDL-220R Watchman Button Replacement

简介

This guide will show you how to clean and/or replace the buttons and switches on the Sony FDL-220R Watchman. Steps include basic disassembly of the Sony FDL-220R Watchman, and tools include a Phillips #00 Screwdriver and a solution of warm water and baking soda.

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步骤 1 Remove battery cover and batteries

Sony FDL-220R Watchman Button Replacement, Remove battery cover and batteries: 步骤 1 中的图像 1，2

Sony FDL-220R Watchman Button Replacement, Remove battery cover and batteries: 步骤 1 中的图像 2，2

Press down on the textured area and push towards the bottom of the device.
Gently remove the battery cover.
Remove the three AA batteries.

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步骤 2 Remove screws

Sony FDL-220R Watchman Button Replacement, Remove screws: 步骤 2 中的图像 1，2

Sony FDL-220R Watchman Button Replacement, Remove screws: 步骤 2 中的图像 2，2

Locate the five 5x11mm screws surrounding the battery compartment.
Remove screws with a Philips #00 screwdriver.

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步骤 3 Remove back casing

Sony FDL-220R Watchman Button Replacement, Remove back casing: 步骤 3 中的图像 1，2

Sony FDL-220R Watchman Button Replacement, Remove back casing: 步骤 3 中的图像 2，2

Grasp the entire back half of the Watchman's casing.
Snap off the casing from the bottom of the device.
Gently pull off entire back casing.

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步骤 4 Remove circuit board

Sony FDL-220R Watchman Button Replacement, Remove circuit board: 步骤 4 中的图像 1，3

Sony FDL-220R Watchman Button Replacement, Remove circuit board: 步骤 4 中的图像 2，3

Sony FDL-220R Watchman Button Replacement, Remove circuit board: 步骤 4 中的图像 3，3

Carefully grasp the entire circuit board.
Pull the circuit board off of the device's plastic casing.

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步骤 5 Remove/Replace Buttons

Sony FDL-220R Watchman Button Replacement, Remove/Replace Buttons: 步骤 5 中的图像 1，2

Sony FDL-220R Watchman Button Replacement, Remove/Replace Buttons: 步骤 5 中的图像 2，2

Locate the thee plastic buttons/switches on the sides of the plastic grey casing.
Buttons/switches should be simply resting in their slots on the device.
Remove all three buttons/switches.
If the buttons/switches are dirty, clean them in warm water and dry thoroughly.
If one of the buttons/switches is broken, simply replace it with a new one.
When replacing, make sure that the slot on the switches faces up.