The LG 65LW6500 is a 65-inch LED TV with Full HD 1080p resolution, built-in digital tuner, LED backlight technology, multiple HDMI inputs, USB connectivity, Smart TV features, built-in Wi-Fi, audio outputs, remote control, energy saving modes, and advanced picture settings. Powered by 120V AC, 60Hz. Below are key sections for safety, technical specifications, disassembly procedures, troubleshooting, and service information.
Key components: LED panel with edge-lit backlight, main board, power supply board, T-CON board, Wi-Fi module, speakers, and remote control.
| Component | Description |
|---|---|
| Main Board | Central processing unit for all TV functions |
| Power Supply Board | Provides power to all components |
| T-CON Board | Timing controller for LCD panel |
| LED Backlight | Edge-lit LED system for display illumination |
| Wi-Fi Module | Wireless connectivity for Smart TV features |
| Speakers | 10W x 2 output stereo sound system |
| Remote Control | Magic Remote with motion control |
Follow these steps carefully for safe disassembly.
WARNING! Always disconnect power before disassembly. Handle LCD panel with care to avoid damage.
Complete schematic diagrams for all major circuits.
Note: Refer to separate schematic diagrams document for detailed views.
Key component positions on main chassis.
| Component | Location |
|---|---|
| Main Board | Center rear, behind input panel |
| Power Supply | Left side rear |
| T-CON Board | Top center, behind LCD panel |
| Wi-Fi Module | Right side, connected to main board |
| IR Sensor | Bottom center bezel |
| Speakers | Bottom left and right sides |
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No Power | Power supply failure | Check fuse, test power supply output voltages |
| No Picture/Sound OK | Backlight failure | Test LED backlight, check inverter circuit |
| No Sound | Audio circuit failure | Check audio IC, speakers, connections |
| No WiFi | WiFi module failure | Reset module, check connections, replace if needed |
| Vertical Lines | T-CON or panel failure | Test T-CON board, check LVDS cables |
| Image Retention | Panel aging | Run pixel refresher, check T-CON settings |
Authorized replacement components and part numbers.
Note: Always use genuine LG parts for replacements.
Methods for updating TV software and firmware.
CAUTION! Do not interrupt power during software updates.
Essential safety guidelines for service technicians.
WARNING! High voltages present even when powered off. Exercise extreme caution.
LG authorized service centers and support contacts.
This service manual is intended for qualified service technicians only.