Infinix Smart 7 X6515 LCD Light Problem Solution | Infinix Smart 7 Backlight Fix Hardware Repair скачать в хорошем качестве

Infinix Smart 7 X6515 LCD Light Problem Solution | Infinix Smart 7 Backlight Fix Hardware Repair

In this video, we demonstrate the Infinix Smart 7 X6515 LCD Light Problem Solution. If your phone screen is dim, flickering, or completely dark but display is visible, this step-by-step guide will help. Learn LED fuse checking, LED driver voltage measurement, PMIC backlight supply inspection, motherboard troubleshooting, and full backlight repair in Urdu Hindi. Ideal for mobile repair engineers and technicians. 🔧 30 Step-by-Step Instructions Power off Infinix Smart 7 X6515. Remove SIM tray and back cover. Unscrew and remove middle frame. Disconnect battery connector. Inspect LCD connector for damage. Clean LCD connector with IPA. Reconnect LCD and test display. Measure voltage at backlight fuse. Check LED driver IC voltage. Inspect LED strips for damage. Replace blown LED fuse if needed. Test PMIC backlight supply lines. Verify BL_ON signal from PMIC. Inspect capacitors around LED driver IC. Reflow LED driver IC if required. Replace faulty SMD components. Test LED continuity across strips. Inspect flex cable for cracks. Replace damaged flex if necessary. Check grounding of backlight circuit. Measure VLED voltage stability. Reflow solder joints if flickering occurs. Replace LED driver IC if voltage not stable. Verify LCD brightness adjustment in settings. Test after each repair step. Inspect power supply lines to display. Check for short circuits in backlight path. Ensure proper contact of LCD connector. Reassemble phone fully. Confirm stable LCD backlight operation. 📢 Hashtags #InfinixSmart7 #InfinixX6515 #InfinixSmart7LCDLight #InfinixBacklightFix #InfinixLCDProblem #InfinixRepair #InfinixHardwareRepair #MobileRepair #InfinixDisplayFix #InfinixLEDDriver #InfinixRepairUrduHindi #InfinixBacklightProblem #InfinixMobileRepair #InfinixFlickerFix #InfinixScreenLight