'Off' Switch

Report 2 Downloads 125 Views
Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement

Cen-Tech Seven Function Digital Multimeter 'On'/'Off' Switch Replacement This guide will show how to replace the 'on'/'off' switch if it is not functional.

撰写者: Rebekah Allison

© iFixit — CC BY-NC-SA

zh.iFixit.com

1 / 6 页

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

介绍 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.

工具:

章节:

Phillips #0 Screwdriver (1)

Cen-Tech Seven Function Multimeter 'On' 'Off' Switch (1)

Flathead 3/32" or 2.5 mm Screwdriver (1)

© iFixit — CC BY-NC-SA

zh.iFixit.com

2 / 6 页

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

步骤 1 — Position Device 

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

步骤 2 — Remove Back Panel Screws



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

© iFixit — CC BY-NC-SA

zh.iFixit.com

3 / 6 页

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

步骤 3 — Remove Back Panel 

Remove the back panel of the device by lifting upward.



Remove the battery from the meter before continuing.

步骤 4 — Unscrew Motherboard



Using a 2.5 mm flat screwdriver, remove the four 7mm screws holding the circuit board in place.

© iFixit — CC BY-NC-SA

zh.iFixit.com

4 / 6 页

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

步骤 5 — Remove Motherboard 

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.

步骤 6 — Locate 'On'/'Off' Switch 

© iFixit — CC BY-NC-SA

zh.iFixit.com

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

5 / 6 页

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

步骤 7 — Remove 'On'/'Off' Switch 

Gently remove switch from device by lifting upward.



Either clean or replace switch.

To reassemble your device, follow these instructions in reverse order. 此文档最后生成于 2017-09-03 09:19:44 AM。

© iFixit — CC BY-NC-SA

zh.iFixit.com

6 / 6 页