What to do if my Samsung UN JS9000F has no backlights?
If your Samsung TV has no backlights, try this: First, unplug the AC power cord. Then, unplug the 10-pin connector to the SMPS. Next, plug in the AC power cord again. The backlight should turn on. If it does, check the Main Board operation for errors.
Safety, servicing, and ESD precautions to prevent damage and hazards.
Precautions to follow during the servicing of the unit.
Techniques to reduce component damage caused by static electricity.
Safety precautions to follow during product installation.
General information about the product's physical characteristics.
Detailed technical specifications and features of the product.
List of included accessories and their part numbers.
Explanation of how to use various TV viewing functions.
Step-by-step procedures for disassembling and reassembling the TV.
Checklist for initial operation and common issues.
Methods for diagnosing and checking specific fault symptoms.
Schematic diagrams illustrating the TV's internal wiring connections.
Detailed pin maps and descriptions for various board connectors.
Exploded view diagram of the product with numbered parts.
List of parts with code numbers and specifications.
Exploded view of the One Connect box.
Parts list for the One Connect box.
List of electrical parts with service availability status.
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