What to do if my Samsung UN55LS003AF TV does not power on?
- JJanice RobertsAug 2, 2025
If your Samsung TV doesn't power on, you should check the resistance on the SMPS FUSE after first removing the AC power cord.
What to do if my Samsung UN55LS003AF TV does not power on?
If your Samsung TV doesn't power on, you should check the resistance on the SMPS FUSE after first removing the AC power cord.
How to check if my Samsung TV is in standby?
If your Samsung TV is in standby mode, check if the Standby LED Indicator is lit.
What to do if fuse is OK but Standby A13V is missing in Samsung TV?
If the fuse is OK but Standby A13V is missing, remove the SMPS connector to the Main Board and check Standby A13V on your Samsung TV.
What to do if Standby A13V is still missing after removing SMPS connector in Samsung UN55LS003AF TV?
If the Standby A13V is still missing after removing the SMPS connector, replace the SMPS on your Samsung TV.
What to do if Standby A13V is OK in Samsung UN55LS003AF TV?
If the Standby A13V is OK, replace the Main Board on your Samsung TV.
What to do if there is missing AC 120Vac Source and Power Cord for Samsung UN55LS003AF TV?
Ensure the 120Vac Source and Power Cord are connected to your Samsung TV.
What to do if fuse is open in Samsung UN55LS003AF?
If the fuse is open, replace the SMPS on your Samsung TV.
Screen Size | 55 inches |
---|---|
Display Technology | LED |
Smart TV | Yes |
HDR | Yes |
Audio Output | 20W |
HDMI Ports | 4 |
USB Ports | 2 |
Refresh Rate | 120Hz |
Operating System | Tizen |
Wi-Fi | Yes |
Bluetooth | Yes |
Resolution | 4K UHD (3840 x 2160) |
Essential safety measures for servicing, including electrical shock and fire hazards.
Guidelines for safe and correct servicing procedures, including ESD and component handling.
Measures to prevent damage to components from static electricity during handling.
Safety recommendations for product installation, ventilation, and handling to prevent hazards.
Details on model, dimensions, weight, color, and general product specifications.
List of included accessories with part codes and specifications.
Explains how to use various TV functions like Smart Hub, Apps, and Media playback.
Description of the remote control buttons, functions, and pairing process.
Configuration for viewing UHD videos and using HDMI black level adjustment.
Lists supported subtitle, image, music, and video file formats and codecs.
Step-by-step guide for disassembling the UN**LS003AF model TV.
Procedures for disassembling the One Connect box and its components.
Diagnosis and solutions for TV power standby, startup sequence, and backlight problems.
Troubleshooting steps for video display problems related to One Connect and Panel.
Steps for resolving no sound, noisy audio, and HDMI audio connection issues.
Guide for troubleshooting TV network connectivity failures and Wi-Fi problems.
Instructions for entering factory mode, accessing test patterns, and managing error counts.
Instructions for entering factory mode, adjusting options, and managing factory data.
Procedures for updating TV software via internet, USB, or automatic methods.
Visual representation of the TV's internal component connections and layout.
Detailed pin map and identification of connectors on the Main Board, One Connect, and SMPS.
Detailed pin map and identification of connectors on the Main Board.
Pin map and identification of connectors on the One Connect Board.
Pin map and voltage details for the SMPS Board connectors.
Diagrams illustrating the assembly of TV components and the One Connect box.
Comprehensive list of electrical parts with codes, specifications, and availability status.