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Phone Display and Backlight Circuit Repair in Kampala

If a phone's screen stays dark even after a new screen is fitted, the fault may be in the display or backlight circuit on the board. We trace and repair it so the screen you paid for works.

Technician repairing a phone circuit board under a microscope

Signs of this fault

  • Screen black, but faint image visible with a torch (LCD phones)
  • New screen fitted but still no picture
  • Display flickers or shows no image after a drop or liquid

How we diagnose it

  1. Test with a known-good screen
  2. Inspect the display connector under the microscope
  3. Measure display and backlight voltages
  4. Replace the faulty component
Causes

What usually causes it

  • Backlight circuit failure

    LCD phones need a backlight driver circuit; its components can fail.

  • Display connector damage

    Broken pins on the board connector.

  • Display power faults

    Components supplying the display can fail or short.

The repair

How we repair it

We replace damaged connectors, filters or driver components on the board, then test the display at all brightness levels.

Limits

Some display faults involve chips that are not practical to replace; we confirm before work starts.

No fix, no fee. If we can’t fix it, you don’t pay. Every repair starts with a proper diagnosis. If we can’t repair the fault you booked for, there is no charge for the diagnosis or the repair attempt.

How it works
FAQ

Common questions

I already replaced my screen and it's still black. Can you help?

Yes. That pattern often points to the board's display or backlight circuit, which we can diagnose.

Book

Request a diagnosis

Describe the fault and anything you've already tried.

Other board-level repairs

Book a repair

Tell us about your device and a technician will call you to confirm. Prices are confirmed after diagnosis, and our staff agree the quotation with you by phone, WhatsApp or in person before any repair starts.

Need a board-level repair?

Technicians with 12+ years of microsoldering experience.

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