Itel A50 LCD Light Problem Fix | Display Backlight Not Working Step by Step Hardware Repair

Описание: 📱 Professional Itel A50 LCD Display Light / Backlight Repair Guide

In this video, you will learn how to fix Itel A50 LCD light problems, including:
• Display ON but no light
• Dark screen with image visible
• Backlight not working
• LCD light problem after drop
• Backlight issue after water damage

This step-by-step hardware repair tutorial explains:
✔ LCD connector & flex inspection
✔ Backlight voltage testing
✔ Coil, diode & resistor checking
✔ PMIC backlight output troubleshooting
✔ Jumper & track repair (board-level)

🔧 Ideal for mobile repair technicians in US, UK, Europe & Asia.

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🛠️ 30 Step-by-Step Professional Repair Guide

Confirm LCD light issue

Test screen with flashlight

Restart phone once

Power OFF device

Open back cover carefully

Disconnect battery

Remove LCD connector shield

Clean LCD connector pins

Inspect LCD flex cable

Check backlight coil

Test backlight diode

Measure backlight voltage

Inspect series resistors

Inspect capacitors

Check PMIC backlight output

Identify missing voltage line

Trace backlight circuit

Check track continuity

Apply jumper if track damaged

Reflow backlight IC area

Replace faulty component

Reconnect LCD flex properly

Connect battery temporarily

Power ON phone

Check display brightness

Test auto brightness

Restart device again

Recheck voltages

Assemble phone fully

Confirm LCD light problem solved

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