Скачать или смотреть Huawei Nova 2 Plus Mic & Speaker Ways | Charging Strip Sub Board Solution | Hardware Repair Guide

In this video, you will learn the complete hardware solution for Huawei Nova 2 Plus Mic and Speaker problem, including charging strip sub-board ways, MIC jumper, speaker ways, ringer tracks, continuity testing, cleaning, board diagnosis, and replacing faulty components.
Perfect for mobile technicians needing accurate, step-by-step guidance.

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⭐ 30 STEP-BY-STEP REPAIR GUIDE

Power off the phone.

Remove back cover and take out the battery.

Remove the charging strip sub-board.

Inspect MIC area for corrosion.

Inspect speaker pads for damage.

Clean sub-board with IPA.

Test mic terminals for continuity.

Test speaker terminals for continuity.

Check MIC positive line to main board.

Check MIC ground line.

Jumper broken MIC track if needed.

Test speaker positive line to main board.

Test speaker negative/ground.

Replace carbon MIC if faulty.

Replace loud speaker if faulty.

Inspect audio filters around MIC.

Replace damaged filters.

Check sub-board connector pins.

Reflow connector if loose.

Check main board connector pads.

Repair broken lines with jumper wire.

Inspect audio IC area.

Reflow audio IC lightly if needed.

Reassemble sub-board.

Reconnect battery.

Boot phone and check sound.

Test mic with recorder.

Test speaker with ringtone.

Confirm both components working.

Close phone and final test.

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