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Introduzione

This teardown shows the internal circuitry of a digital multimeter.

Parti

Nessuna parte specificata.

  1. Remove lead connectors from front panel.
    • Remove lead connectors from front panel.

  2. Turn over the DVM and unscrew the two screws using a J1 bit. Turn over the DVM and unscrew the two screws using a J1 bit. Turn over the DVM and unscrew the two screws using a J1 bit.
    • Turn over the DVM and unscrew the two screws using a J1 bit.

  3. Remove battery by gently disconnecting it from connector. Remove three screws using J1 bit. Remove three screws using J1 bit.
    • Remove battery by gently disconnecting it from connector.

    • Remove three screws using J1 bit.

  4. Remove PCB by gently pulling it away from the back encasing. Microprocessor
    • Remove PCB by gently pulling it away from the back encasing.

    • Microprocessor

    • Continuity Check Speaker

    • Fuse

    • 9 V Battery Connector

  5. Remove the knob and buttons from the front grey casing. The measurement knob uses two ball bearings that allows the knob to rotate.  These bearings are small and easy to lose. Backlight Toggle Button
    • Remove the knob and buttons from the front grey casing.

    • The measurement knob uses two ball bearings that allows the knob to rotate. These bearings are small and easy to lose.

    • Backlight Toggle Button

    • Measurement Hold Button

    • LCD Plastic Cover

    • Measurement Select Knob

    • Measurement Select Knob Ball Bearings

    • Success! You have finished tearing down the multimeter.

Linea Traguardo

Michael

Membro da: 23/01/2014

362 Reputazione

2 Guide realizzate

Team

Cal Poly, Team 10-32, Maness Winter 2014 Membro di Cal Poly, Team 10-32, Maness Winter 2014

CPSU-MANESS-W14S10G32

4 Membri

6 Guide realizzate

Don't take the contacts out of the rotary dial. It's very easy to forget where they go

Oliver Watson - Replica

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