Question about Sansui HDLCD4050 TV

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Sansui hdlcd4050 no signal when cable plugged into tv no channels when scanning for channels

I recently moved tv from one room to another and now it wont pick up any signal when I plug the cableinto the tv

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Posted on Jan 02, 2017

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SOURCE: Sansui HDLCD1908 not recieveing Digital channels

Go into the menu. Go to CHANNEL and press enter. Go to AUTO CH MEMORY and press enter. Press the right arrow on remote to change the signal type to AIR. Go down to AUTOMATIC SEARCH and press enter. Wait for it to finish on its own. You should have all the analog and digital channels you can get with the antenna setup you have connected to the tv.

Posted on Jan 07, 2009

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SD Tech
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SOURCE: my sansui hdlcd4050 tv has red light when plugged in but will not turn on. is my screen shot?

I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.If set is opened at least look for puffed up and bad caps like in thisphoto.6_11_2012_2_12_09_pm.jpg6_11_2012_2_12_41_pm.jpg6_11_2012_2_13_01_pm.jpg

Posted on Jun 11, 2012

SD Tech
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SOURCE: how do i get the back off of a sansui hdlcd4050 tv

If you are not able to figure out how to open the set I would suggest you have a tech or a shop look at it for you---one wrong move in taking it apart and it can be destroyed.

Posted on Aug 27, 2012

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If you are not able to figure out how to open the set I would suggest you have a tech or a shop look at it for you---one wrong move in taking it apart and it can be destroyed.

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Try it again in the original room where the TV once was. If the channels from 47 and up are back to normal, its a cable signal issue that the cable company must resolve. Its possible that the installer may have driven a staple thru the coaxial cable or did not correctly attach the fittings.

michtech

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