Page 43 - Electronic Mechanic - TP - Volume - 2

ELECTRONICS MECHANIC - CITS

7 Testing: Power on the device and test the replaced parts to ensure they are functioning correctly. Test the
microphone, speaker, and audio jack to verify that the issues have been resolved.
8 Final Checks: Double-check all connections and functionality before reapplying any external components or
accessories.
CIRCUIT DIAGRAM:

PROCEDURE:
• Determine which components need replacement by troubleshooting the device’s issues.
• Collect the appropriate tools such as screwdrivers, prying tools, and replacement parts.

• Ensure the device is powered off to prevent any damage or electric shock during the repair process.
• Carefully remove the outer casing of the device using the appropriate tools. Refer to the device’s manual or
online guides for disassembly instructions specific to your device model.
• Once inside the device, locate the faulty parts that need replacement. They are often connected to the main
circuit board or other components.
• Disconnect any cables or connectors attached to the faulty parts. Be gentle to avoid damaging surrounding
components.
• Install the new replacement parts in the same location as the old ones. Ensure proper alignment and connection.
• Put the device back together by reversing the disassembly steps. Make sure all screws are tightened securely,
and cables are properly reconnected.
• Turn on the device and test the replaced parts to ensure they are functioning correctly. Test the mic, speaker,
and audio jack to verify that the issues have been resolved.

RESULT:
Thus the faulty parte were replaced , like the microphone, speaker, and repairing the data-hanging audio jack.

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CITS : E & H - Electronics Mechanic - Exercise 126