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LG TV Black Screen Fix | LG 32LE5500 No Display Repair Step by Step

Magiccare Electronics

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LG TV Black Screen Fix | LG 32LE5500 No Display Repair Step by Step

38 888 просмотров · 7 лет назад
Magiccare Electronics
124 тыс. подписчиков
38 888 просмотров · 7 лет назад
Is your LG 32LE5500 TV showing a black screen with sound but no picture? In this video, I demonstrate the complete LG TV black screen repair process step by step. You'll learn how to diagnose the fault, check T-CON board voltages, inspect panel signals, identify faulty components, and restore the display successfully. This tutorial is perfect for TV technicians, electronics students, repair engineers, and beginners who want to learn professional LCD LED TV troubleshooting techniques. ⏰ Time Stamps 00:00 - Video introduction and problem overview: LG 32-inch TV (model 32LE5500) with no backlight and no picture. 00:54 - Initial voltage check: Inspecting the backlight area and SMPS transformer. 01:56 - Processor supply (3.5V) and standby circuit details. 02:56 - Checking the PFC (Power Factor Correction) circuit and 390V line. 04:04 - Testing SMPS outputs: Verifying 12V and 24V (for the LED driver). 06:25 - Inspecting Drive ON and Dimming control voltages. 07:31 - Power supply self-test: Turning on the backlight using jumpers. 08:48 - Analysis and repair theory for the Main Board section. 09:33 - Specific details on the T-con and LVDS board. 11:16 - Voltage bypass: Shorting the source and drain pins of the MOSFET to provide 12V supply. 13:23 - Testing panel voltages (-5V, 1.8V, VGH) and identifying the core issue. 15:09 - Conclusion: Diagnosis of a faulty Main Board and advice on replacement or IC repair. 🔧 Topics Covered LG TV Black Screen Repair LG 32LE5500 No Display Fix LG LED TV No Picture Problem T-CON Board Troubleshooting LCD Panel Diagnosis TV Voltage Checking Gamma IC Testing Panel Signal Measurement LED TV Repair Course TV Chip Level Repair LCD LED TV Repair Training Electronics Repair Tutorial 📚 Learn Professional TV Repair If you want to become an expert in LCD LED TV Repair, join our practical training program. Magiccare Electronics 📍 Ahmedabad, Gujarat, India We provide: LCD LED TV Chip Level Repair Training Android TV Motherboard Repair T-CON Board Repair Panel Repair Training eMMC Programming RT809H Programmer Training Live Practical Classes 👍 Support the Channel ✔ Like the video ✔ Share with fellow technicians ✔ Subscribe for more TV repair tutorials ✔ Turn on the notification bell 🔔 💬 Have Questions? Leave your questions in the comments, and I'll do my best to help. #LGTVRepair #LG32LE5500 #BlackScreenFix #NoDisplayRepair #LEDTVRepair #TCONRepair #LCDRepair #TVRepair #ElectronicsRepair #MagiccareElectronics #LGTVRepair #BlackScreenFix #LG32LE5500 #LEDTVRepair #NoDisplayRepair #TCONRepair #LCDRepair #TVRepair #ElectronicsRepair #MagiccareElectronics #ChipLevelRepair #TVTraining #VinodKenny #RepairTutorial #LGTV