Tecno Spark 30C LCD Display Graphics Problem Solution | Tecno Spark 30C Screen Lines Fix full guide

Описание: Tecno Spark 30C LCD display graphics problem is a common smartphone hardware issue. Sometimes the screen shows lines, color distortion, flickering, or abnormal graphics due to a faulty LCD display, damaged display connector, display IC problem, or broken motherboard display tracks.

In this video you will learn the complete step-by-step repair solution for Tecno Spark 30C LCD display graphics problem. We will check the LCD connector, test another display, inspect display circuit lines, and troubleshoot the display IC area on the motherboard.

This tutorial is very helpful for mobile repair technicians and beginners who want to learn smartphone hardware repairing and motherboard troubleshooting.

Watch the full video to understand the Tecno Spark 30C display graphics repair method and hardware solution.

This repair guide is useful for technicians in US, UK, Europe, Pakistan, India and worldwide.

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30 Step-by-Step Repair Guide

Power off Tecno Spark 30C.

Remove SIM tray.

Carefully open the back cover.

Remove motherboard protection screws.

Disconnect battery connector.

Disconnect display connector.

Inspect display connector pins.

Clean display connector using IPA liquid.

Check LCD flex cable condition.

Test phone using another LCD display.

Inspect display connector tracks on motherboard.

Check display line continuity using multimeter.

Inspect display filter capacitors.

Check display driver IC area.

Repair broken display tracks using jumper wire.

Re-solder loose display connector pins.

Reflow display IC carefully.

Replace faulty display IC if necessary.

Reconnect display connector.

Connect battery connector again.

Power on the phone.

Check if graphics problem is fixed.

Verify no screen lines or flicker.

Test display brightness and colors.

Reassemble motherboard shield.

Tighten motherboard screws.

Close the back cover.

Power on device again.

Perform final display test.

Confirm Tecno Spark 30C LCD graphics problem fixed.

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