How to Diagnose and Fix Loud Humming Noise in 62-Inch DLP TV HLN617WX/XAA?
Asked Jan 19, 20130 views1 answer
I am experiencing a loud humming noise coming from my 62-inch DLP model HLN617WX/XAA television. While the picture quality is fine, the noise is quite disruptive. I need help diagnosing the issue and finding a solution. Any advice would be appreciated!
Diagnosing Loud Humming Noise in 62-Inch DLP Model HLN617WX/XAA
Experiencing a loud humming noise from your 62-inch DLP television can be frustrating, especially when the picture quality remains unaffected. This guide aims to assist you in diagnosing the issue and provides step-by-step instructions on how to address the problem effectively.
Common Sources of Humming Noise
The humming noise in your DLP TV may originate from one of the following components:
1. Cooling Fan
- Description: The cooling fan is designed to keep the internal components cool. While some noise is normal, a loud humming indicates a potential issue.
- Symptoms: Consistent humming noise, especially if it has become louder over time.
2. Color Wheel
- Description: The color wheel spins to project the colors on your screen. It can produce sounds when starting up or shutting down.
- Symptoms: A high-pitched whine or buzzing sound when the TV is powered on could indicate a failing color wheel.
Troubleshooting Steps
To determine the source of the noise, follow these steps:
Step 1: Assess the Noise
- Listen Closely: Identify whether the sound is a low humming or a high-pitched whine. This can help narrow down the issue to either the cooling fan or the color wheel.
Expert Answers
RL
Rofel Lantican
Answered Jan 19, 2013
The loud humming noise from your DLP TV is likely coming from either the cooling fan or the color wheel. If you hear a humming or buzzing sound, it’s probably the fan. A high-pitched whine usually indicates an issue with the color wheel.
Cooling fans do make some noise when they operate, but it shouldn’t be excessively loud. If you find the noise bothersome, try sitting farther away from the TV. However, if the buzzing has become noticeably louder over time, the fan may be failing and will need to be replaced.
The color wheel can be heard when it spins up to speed when you turn the TV on and when it spins down when you turn it off. A continuous high-pitched whine while the TV is on suggests that the color wheel is likely failing and will need replacement.
If you’re comfortable working on electronics, you can open the TV and replace the cooling fan yourself. The part number for the fan is `BP31-00024A`, and you can find it at local repair stores, Samsung, or online retailers like Amazon. If you're not experienced with repairs, it’s best to have a technician handle the replacement.
The cooling fan and color wheel are located inside the TV, but I don’t have the exact service manual to guide you on their precise locations. You can replace them one at a time, but if you’re already opening the TV, it might be more efficient to replace both at the same time. No soldering is required for either part; you just need to connect the new fan to the board.
If you need more specific guidance on where to find these parts, you can check out sites like Amazon or partstore.com for availability.
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