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Aric
Aric, Technician
Category: Consumer Electronics
Satisfied Customers: 34193
Experience:  20+ yrs. experience troubleshooting and repairing electronics. Owner of A/V installation and repair business.
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MY SYLVANIA LCD TV WONT TURN ON, JUST THE STANDBY RED LED

Resolved Question:

MY SYLVANIA LCD TV WON'T TURN ON, JUST THE STANDBY RED LED IS ON
Submitted: 3 years ago.
Category: Consumer Electronics
Expert:  Aric replied 3 years ago.

Hello, my name is XXXXX XXXXX I will be glad to assist you.

 

How long have you had the set for, and when did the problem occur?

 

Also, is the red standby light on steadily, or blinking?

Customer: replied 3 years ago.
for the last month
the problem occurs about a month ago and the red standby light is steadily
Expert:  Aric replied 3 years ago.

Thanks for the reply.

 

Are you saying you've only had the set for a month?

 

If you go the TV itself and press the power button, does the button make a distinct clicking sound?

Customer: replied 3 years ago.
sorry i only had the set for the las 3 months and there is no distinct clicking sound when i press the power button, i was reading on the web and many people with the same problem in different sylvania models said the problem is some capacitor(s)
Expert:  Aric replied 3 years ago.

Yes, that is the most common problems with all LCD technology is the caps on the power supply board. That does not mean that is definitely the problem though, the TV is not blinking an error code and there are other circuits in the TV that could have failed. Capacitors also are not a snap in part and they require removal of the rear panel of the TV, and also soldering to replace. If the TV is only 3 months old, you will void the warranty simply by opening it up. I would first suggest contacting the retailer to locate the closest service center in your area. If the problem goes beyond the caps, the TV could be in for a very costly repair and you do not want to open the set as you will Void the Warranty.

 

If you need further assistance, let me know.

 

If this answers your question, please click "Accept". Tips and bonuses are welcomed and appreciated!!

Customer: replied 3 years ago.
there is no warranty on that tv because Sears just gave me 30 days so i opened but i didn't see a busted capacitor or even any other component
Expert:  Aric replied 3 years ago.

The first thing you'd want to check is the caps on the power board for bulges or leaking. Any of these needs to be replaced.

Please only proceed if you have experience measuring live voltages on a circuit board level.

Next, use a DMM set to DC volts, find a common ground on the power supply and probe all of the Outputs for voltage (correct voltages will be stamped on the power supply at the outputs). Do this with NOTHING connected to the Power supply but AC power. If a voltage is missing/ fluctuating, then the power board needs to be replaced.

If the power supply outputs its rated voltages, then connect the other boards one at a time until one causes it to shut down. This board would have the short causing the supply to SOS, and would need to be replaced.

A good source to locate replacement boards is http://www.shopjimmy.com/ and http://www.discountmerchant.com/

 

If this answers your question, please click "Accept", as it is the only way we Experts get paid for our knowledge on the site. Tips and Bonuses are welcome and appreciated!!

Aric, Technician
Satisfied Customers: 34193
Experience: 20+ yrs. experience troubleshooting and repairing electronics. Owner of A/V installation and repair business.
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Aric
Aric
Electronics Technician
34193 Satisfied Customers
20+ yrs. experience troubleshooting and repairing electronics. Owner of A/V installation and repair business.