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ResMed S9 VPAP Auto Knob Replacement

简介

The ResMed S9 VPAP Auto is a medical ventilator, commonly referred to as a VPAP (variable positive airway pressure machine). In this guide you will learn how to replace the control knob with a soldering iron. The knob is how you are able to select information on the main screen of the ResMed S9 VPAP Auto. Remember to be careful when using the soldering iron: it reaches high temperatures. Be careful not to solder any parts of motherboard while working on the control knob. For more information on the device, go to the manufacturer’s home page.

For more information on soldering best practices check out our 如何焊接和拆焊 guide.

你所需要的

  1. ResMed S9 VPAP Auto Knob Replacement, Control Knob: 步骤 1 中的图像 1，2 ResMed S9 VPAP Auto Knob Replacement, Control Knob: 步骤 1 中的图像 2，2

    • Flip the device upside down.

    • Use a T3 Torx screwdriver to remove the screw in the corner.

    • Each screw in this guide is a 1.2mm Torx T3.

    编辑

  2. ResMed S9 VPAP Auto Knob Replacement: 步骤 2 中的图像 1，2 ResMed S9 VPAP Auto Knob Replacement: 步骤 2 中的图像 2，2

    • Use a spudger to pry off the back panel.

    编辑

  4. ResMed S9 VPAP Auto Knob Replacement: 步骤 3 中的图像 1，2 ResMed S9 VPAP Auto Knob Replacement: 步骤 3 中的图像 2，2

    • Use the spudger to pry off the front panel.

    • If you are having difficulty, press the two hooks to open that side of the device.

    • Remove the front panel to expose the internal components.

    编辑

  5. ResMed S9 VPAP Auto Knob Replacement: 步骤 4 中的图像 1，3 ResMed S9 VPAP Auto Knob Replacement: 步骤 4 中的图像 2，3 ResMed S9 VPAP Auto Knob Replacement: 步骤 4 中的图像 3，3

    • Remove the two screws on the circuit board with a T3 Torx screwdriver.

    编辑

  6. ResMed S9 VPAP Auto Knob Replacement: 步骤 5 中的图像 1，2 ResMed S9 VPAP Auto Knob Replacement: 步骤 5 中的图像 2，2

    • Plug in and heat up the soldering iron.

    编辑

  7. ResMed S9 VPAP Auto Knob Replacement: 步骤 6 中的图像 1，3 ResMed S9 VPAP Auto Knob Replacement: 步骤 6 中的图像 2，3 ResMed S9 VPAP Auto Knob Replacement: 步骤 6 中的图像 3，3

    • Locate the knob pins.

    • Desolder the solder pins on each side of the knob.

    • For more details on soldering best practices, check out our 如何焊接和拆焊 guide.

    • Be careful not to make contact with any of the other parts of the motherboard.

    • Remove the knob and replace it.

    编辑
结论

To reassemble your device, follow these instructions in reverse order.

2等其他人完成本指南。

4条评论

Do you have a source for the auto knob or a part number?

scott jensen - 回复

Do you have a source for this knob/switch or a part number?

scott jensen - 回复

You need a new rotary encoder, however the very popular and cheap EC11 does not work properly, you need a ddm 427 encoder, which is not very easy to find.

NG G. -

I found the right encoder from digikey. It has the wrong type of knob stem, but it works. It is the DDM 427.

Jim Burianek - 回复

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