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Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement

简介

If the 'on'/'off' switch of the device is stuck in the 'off' position, the device will not turn on. This guide will show how to access and replace the switch from within.

你所需要的

  1. Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Position Device: 步骤 1 中的图像 1，1

    • Place the meter face down, and the back panel and screws can be seen.

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  2. Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Remove Back Panel Screws: 步骤 2 中的图像 1，2 Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Remove Back Panel Screws: 步骤 2 中的图像 2，2

    • Unscrew the two 9mm screws on the back panel using a #0 Phillips screwdriver.

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  3. Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Remove Back Panel: 步骤 3 中的图像 1，1

    • Remove the back panel of the device by lifting upward.

    • Remove the battery from the meter before continuing.

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  5. Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Unscrew Motherboard: 步骤 4 中的图像 1，2 Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Unscrew Motherboard: 步骤 4 中的图像 2，2

    • Remove the four 7mm Phillips screws holding the circuit board in place.

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  6. Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Remove Motherboard: 步骤 5 中的图像 1，1

    • Gently lift the circuit board away from the device casing.

    • Remove the battery after removing the back cover to reduce the chances of short-circuiting the circuit board.

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  7. Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Locate 'On'/'Off' Switch: 步骤 6 中的图像 1，1

    • The 'on'/'off' switch is located directly beneath the dial.

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  8. Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement, Remove 'On'/'Off' Switch: 步骤 7 中的图像 1，1

    • Gently remove switch from device by lifting upward.

    • Either clean or replace switch.

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结论

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

4等其他人完成本指南。

作者

与8其他贡献者

Rebekah Allison

于10/13/14注册

151 声望

撰写一个指南

徽章: 6

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团队

Clemson, Team 2-4, Benson Fall 2014 Clemson, Team 2-4, Benson Fall 2014 的会员

CLEM-BENSON-F14S2G4

4 名成员

创作了6篇指南

一条评论

Hi Great site love it, Where can you purchase the copper contacts and is there a technical name for them didn’t know that I could have repaired much craftsman 82040 meter by piecing out the harbor freight free meterand using the contacts which were worn out and non repairable and started to hand make them and then ran across this site. Thanks for the tutorial and being part of the solution as i am an automotive parts rebuilder keeping land fills few of good core since 1988.

Joel - 回复

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