Question about Sony KV-32XBR48 32" TV

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Where are the fuses in this tv

I opened the tv and only found 1 fuse by the power cord which was fine.
Are there anymore fuses? If yes , where?

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That is the only fuse. Its purpose is not so much to protect the TV parts but to establish the UL rating by protecting against overcurrents and fire.
Next thing to check is the B+ voltage (125 to 160Vdc) on the big electrolytic capacitor near the power entry. No volts here tells you the problem is before this in the power supply parts. After here means the high-voltage supply.
Check that and get backl to us.

Posted on Jan 31, 2008

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Hello
Check the On/OFF switch first. Then check the AC cord. If both are OK, open the TV, and check the fuse. There is a glass cartridge type, replaceable fuse on the power regulator section. If found opened, replace it with same type and number.

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You will need to remove the back of the TV. Don't worry, it's not that bad.

There are 4 screws across the top, one on each side, one right next to where the power cord goes into the back of the case, and the two more by all of the video connections **These are the most important to remove because they attach the main board to the back of the case.

Once you have remove the screws then the entire back of the set will slide off. If you look where the power cord attaches to the board you will see a small fuse. This is a 6.3 Amp 125 volt fuse. You can replace it with a 6.3 Amp 250 volt fuse from your local Radio Shack. A four pack costs between $3 and $5.

Make sure that you check that it works before putting it all back together. Check for any loose connection cables while you're back there. I found a few when I did this.

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Dear,

can u do repairing or have you ever troubleshoot the issue by yourself.
if yes, then open the cover and check the continuety of the power cable because it can be the damage cable. if all of then check the fuse inside the circuit board where the main power cord goes. the must be a glass fuse. Check is it in working condition means having continuty too.
if this component is ok then u have to check the other circuitry.

regards,

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You'd better make sure that there's no power on in the TV by checking the red light in front of it. If it's sure there's no power when the TV's plugging in the outlet, then the problem may be the fuse.

The GLASS fuse locates right after the power cord where is connected to the TV. Using a screw driver to open the back (make sure the power cord already taken out from the outlet !), try to have the power cord side opened as wide as you can. You can use your finger tip to push straight from bottom to up to take the fuse out. For sure, you can see the fuse having the core disconnected in the middle.

To my case, the fuse was 6.3 Amp and 125 Volt, but I can only get the 6.3 Amp- 250 Volt at my local Radio Shack store. However, it's fine to replace with this higher volt fuse.


It costs about 4 bucks for a bag of 4 glass fuses. Worth to try with the "practice" and for having your TV back on again !

~NDo~

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In most cases, it is either a shorted component in the power supply or a shorted horizontal output transistor. It will take experienced electronic troubleshooting to fix it. TVs have lethal voltages (both 110V and 25,000V kind) and improper repair can result in shock, injury, or the emission of X-rays by the TV! Be safe and either replace the set or have a shop work on it for you. I'm a tech with over 25 years of experience, by the way. I appreciate honest rating of this reply if you find it helpful.

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