✅ Vivo Y300 LCD Light & Graphics Problem Solution | Hardware Fix Guide 2025
Is your Vivo Y300 showing a completely black screen, backlight not
working, or display light on but no graphics/image visible? In this
technician-level video I show you the EXACT hardware solution —
Light IC location, jumper ways, voltage testing, and component
replacement — to restore your Vivo Y300 display 100%!
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🔧 PROBLEMS COVERED IN THIS VIDEO:
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✔ Vivo Y300 LCD backlight not working
✔ Vivo Y300 black screen but phone is ON
✔ Display light dead after water damage
✔ Screen light on but no image / no graphics
✔ Vivo Y300 dim screen or very low brightness
✔ Graphics IC (VSP/VSN) voltage failure
✔ Light IC damaged or shorted — replacement
✔ Backlight coil & diode testing and replacement
✔ LCD connector pin voltage check guide
✔ Jumper ways for light & graphics lines
✔ Vivo Y300 display flex connector damage fix
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🛠️ TOOLS & PARTS USED:
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🔹 Vivo Y300 Display Combo (AMOLED): [Affiliate link]
🔹 Vivo Y300 LCD Connector Flex: [Affiliate link]
🔹 Light IC Replacement Chip: [Affiliate link]
🔹 Digital Multimeter (for voltage testing): [Affiliate link]
🔹 Hot Air Rework Station: [Affiliate link]
🔹 Schematic/PCB Diagram Tool: [Affiliate link]
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📐 KEY VOLTAGE READINGS (Vivo Y300):
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🔸 Light IC V-IN Pin: 3.7V – 4.2V (phone ON)
🔸 Light IC EN Pin: ~1.8V fluctuating (enable signal)
🔸 Anode Output Pin: 16V+ (circuit working correctly)
🔸 VSP (Graphics IC+): +6.00V
🔸 VSN (Graphics IC-): -6.00V
🔸 VREG (PMU): 1.80V
🔸 MIPI / Data Lines: ~0.22V
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📱 COMPATIBLE MODELS:
Vivo Y300 | Vivo Y300 5G | Vivo Y300 Pro | Vivo Y300 Pro+ |
Vivo Y300+ | V2409 | V2416 | V2430
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🔍 RELATED SEARCHES:
Vivo Y300 LCD light solution | Vivo Y300 display backlight problem |
Vivo Y300 graphics solution | Vivo Y300 black screen hardware fix |
Vivo Y300 light IC jumper ways | Vivo Y300 PCB repair | Vivo Y300
backlight coil replacement | Vivo Y300 VSP VSN voltage | Vivo Y300
display connector ways | Vivo Y300 5G light solution | Vivo Y300 Pro
display problem | mobile LCD light IC repair | backlight jumper ways
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