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Aric
Aric, Technician
Category: TV
Satisfied Customers: 33513
Experience:  10+ yrs. experience installing and repairing TVs and A/V systems. Owner of A/V installation and repair business.
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Sony BRAVIA KDL-32L5000 will not power on, fuse on power board

Resolved Question:

Sony BRAVIA KDL-32L5000 will not power on, fuse on power board is OK
Submitted: 2 years ago.
Category: TV
Expert:  Aric replied 2 years ago.

How long have you had the set for?

 

Also, are there any blinking lights on the front of the set?

 

Did this problem occur after a storm or power outage?

Customer: replied 2 years ago.

1.5 years

No blinking lights

after a storm

Expert:  Aric replied 2 years ago.
Does the set show any signs of life at all (steady power light, click when power is pressed, buzz, of hum coming from the set)?
Customer: replied 2 years ago.

no signs of life at all - main fuse is good

Expert:  Aric replied 2 years ago.
Did you measure the mains fuse with a meter, or just visually inspect it?
Customer: replied 2 years ago.

meter

 

Expert:  Aric replied 2 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!!

 

Customer: replied 2 years ago.
where can I download the electrical schematics?
Expert:  Aric replied 2 years ago.

I do not have a source for that.

 

Aric, Technician
Category: TV
Satisfied Customers: 33513
Experience: 10+ yrs. experience installing and repairing TVs and A/V systems. Owner of A/V installation and repair business.
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