Tecno Spark 30 LCD Display Graphics Problem Solution | Screen Lines Display Fix Hardware Guide

Описание: If your Tecno Spark 30 LCD display shows graphics problems like lines on screen, distorted display, color problem, or blank graphics, this video will show the complete hardware repair solution step by step.

Display graphics issues usually happen because of damaged LCD screen, faulty display connector, motherboard display line problem, or graphics IC fault. In this tutorial we will explain how to check the LCD connector, display flex cable, motherboard display circuit, and repair the graphics problem.

You will learn the complete troubleshooting process using a multimeter and hardware repair method. This video is very useful for mobile repair technicians, beginners, and professional smartphone hardware engineers.

Watch the full video and follow all steps carefully to repair the Tecno Spark 30 LCD display graphics problem successfully.

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30 Step-By-Step Repair Guide

Power off the Tecno Spark 30.

Remove the SIM tray.

Open the back cover carefully.

Remove the frame screws.

Take off the motherboard shield.

Disconnect the battery connector.

Locate the LCD display connector.

Disconnect the LCD flex cable.

Clean the LCD connector with PCB cleaner.

Inspect the connector pins for damage.

Connect a new LCD display to test.

Power on the phone and check graphics.

If graphics issue remains check motherboard lines.

Use a multimeter to test display lines.

Inspect display filters and resistors.

Check nearby capacitors in display circuit.

Look for short circuit in display lines.

Repair broken PCB display line using jumper wire.

Re-solder loose display connector pins.

Replace damaged resistor or filter.

Clean the motherboard again.

Reconnect the LCD flex cable.

Connect the battery connector.

Turn on the phone to test display.

Check for lines or graphics distortion.

Confirm screen works normally.

Reassemble the phone frame.

Tighten all screws properly.

Close the back cover.

Tecno Spark 30 LCD display graphics problem successfully fixed.

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