Redmi Note 13 Pro Plus 5G LCD Light Problem Solution | Backlight Jumper & Voltage Repair | No Light

Описание: Redmi Note 13 Pro Plus 5G may face LCD backlight issues, screen dim, or no display light due to broken backlight tracks, LED driver IC fault, or missing voltage supply.
This video provides a complete hardware solution, including jumper repair, voltage testing, and ways to restore full backlight functionality.
Follow this step-by-step guide to fix Redmi Note 13 Pro Plus 5G LCD light problems efficiently.

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✅ 30 Step-by-Step Repair Guide

Power off Redmi Note 13 Pro Plus 5G.

Remove back cover and disconnect battery.

Unscrew and remove mainboard carefully.

Inspect LCD connector pins.

Clean connector with IPA.

Check backlight voltage with multimeter.

Locate LED driver IC on mainboard.

Inspect continuity of backlight tracks.

Jumper broken backlight track if necessary.

Inspect power supply lines to LCD.

Test LED segments with voltage.

Reflow solder joints of LED driver IC.

Replace damaged capacitor near backlight lines.

Check resistors around LED IC.

Jumper missing lines if needed.

Test LCD backlight voltage after jumper.

Reconnect LCD and battery temporarily.

Power ON phone to check backlight.

Inspect for dim or flickering light.

Reflow solder joints near backlight section.

Replace faulty LED driver IC if necessary.

Test LCD in multiple brightness settings.

Check all backlight tracks for continuity.

Inspect connector pins again.

Clean corroded pads if found.

Reassemble mainboard temporarily.

Connect battery and power ON fully.

Confirm full backlight operation.

Test phone under normal operation.

Final assembly and full testing of display light.

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