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Aric, Technician
Category: TV
Satisfied Customers: 44675
Experience:  15+ years in the field. Owner of AV Installation, OEM and Repair company
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2003 Sony 50 inch model KF 50WE610 red and green horizontal

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2003 Sony 50 inch model KF 50WE610

red and green horizontal lines on non HD channels and grey horizontal lines on HD?
Hello, My name is XXXXX XXXXX I will be glad to assist you. Please keep in mind that there may be a few minutes between replies, as I research your problem.

When did the problem occur?
Additionally, what is connected to the TV for devices (DVD, cable box, etc.), and do you have the same issue regardless of which Device you're watching?
Customer: replied 3 years ago.

Hooked to comcast explorer 8300HDC. cable receiver. new upgrade.

It was also the same for about 6 months on older Comcast HD receiver.


Only hook up ever has been cable.

Thank you for the reply.

What we need to do is rule out that the issue is being caused by external devices or cables.

Can you find the HOME/MENU button on the TV remote (not the Comcast remote), and bring up the TV's MENU?

I need to know if the TV's internal MENU appears OVER or behind those lines please.
Customer: replied 3 years ago.

lost track of old remote

How about if you press MENU on the front of the TV itself?


Sorry the controls are on the right side of the TV. If you press Input, are the lines covering the Input MENU?

Customer: replied 3 years ago.

No menu botton on tv.Comcast tech said box was in good order but might be the connection on set?


On the right hand side of the TV, all the way at the bottom of the buttons, is the "TV/Video" button. Press this and let me know if changing the Input, also shows the lines.
Customer: replied 3 years ago.

The color lines do not show but you can see the white is irregular like steps where the colored lines would be

Okay, the issue is definitely internal to the TV. Lets try a hard reset of the TV. Disconnect the set from power, then press and hold the power button on the TV itself ( not the remote), for 10 seconds and release. Plug the set back in and turn it on. Let me know if the lines are still there please.
Customer: replied 3 years ago.

Hold button is where

Not the Hold button, the Power Button on the upper right hand side of the TV.
Customer: replied 3 years ago.

Sorry, Yes, lines still thre red stripe then blue

Customer: replied 3 years ago.

I have replaced the lamp on this twice when there was no pic at all

I'm sorry to hear that. Unfortunately this is a fault within the TV, and not something that can be corrected via any settings or adjustments.

The most probably causes are noise created by the power supply board in the set, or a fault in the Light Engine. Oftentimes one or more capacitors in the power supply go out of spec and can cause this type of video noise in the signal. The only way to determine which is to have the set serviced and checked, and to have the power supply voltages checked, and any faulty caps replaced. If the supply is good, then the light engine must be inspected. Average cost for this type of repair is going to be between $200-$700 parts and labor depending on which has the fault.

I know this is not the answer you'd hoped for, but unfortunately there is not a quick fix for this problem.

If you'd like you can use the link below to locate a Tech in your area:

If you have more concerns then please press "Reply to Expert". Otherwise, please take a moment to RATE my service as Positive. Subscription is not required and your question does not close when you rate. You are rating my advice and information NOT how this site works or how your device functions (note that a negative rating does not issue a refund).
Aric and 2 other TV Specialists are ready to help you
Customer: replied 3 years ago.

Thanks Aric... You have answered my concerns. I wanted to make sure there was not a simple plug in part that had failed.



Thanks for the reply, and the issue does go further than a plug in unfortunately. If you need further assistance let me know and please do not forget to rate my service.