We've had this TV for a while as it was given to us, there is no remote controller. What happened was the tv was moved and when turned on, only 1 channel had audio while the rest has no audio at all. Nothing was changed to it prior and it was working perfectly fine last night till it was moved sideways for cleaning.
We have tried all the methods people suggested online: turn on and off, press and hold the power, press and hold Menu (Setup on the side of the tv), unplug it for X time, unplug HDMI, unplug cable, etc. We CAN'T do the remote controller suggestions due to the fact we don't have one.
Does anyone know how to fix this without a controller involved? We checked all settings and sound, reset everything by hitting the Reset Settings in Sound (I believe). There is sound when the HDMI is plugged into the computer, but nothing on all 9 out of 10 channels.
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Re: Sylvania lc420ss8 No Audio On Channels
You need its remote control to fix this problem. If you wish to buy its original remote control, contact the authorized service centre, or authorized dealer to your device brand. They can either give you a genuine remote control to your device, or can direct you, from where can you purchase a suitable one.
To select a proper universal remote control, you should know about the number of digits to its set-up codes. There are 3 digit, 4 digit, 5 digit, 2 digit and even single digit codes, to some brand devices. After confirming this, check the sites linked here. Both the sites have set-up code list and set-up procedure to many popular brand remote controls. Check which brand remote control has set-up code/s to your device brand, and buy that one according to availability? Brand name of the remote control isn't a matter, but it should have set-up codes in its code list, to the device brand you have.
Please note: Every new universal remote control will have set-up code list, and set-up procedure along with its pack. Never accept a remote control, that hasn't both of this. For more details about the set-up codes, visit the site http://electrohelponline.blogspot.com/ Check this site too. http://remotesearch.blogspot.com/ Universal remote controls are available at most of the electronic spare part selling shops; and by Online shopping.
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Try these codes. If you wish to get more details; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. Common codes to check devices with different brand TVs are given, in the order of the device's brand name list in alphabetical order.Pull up older posts. Surf the site with patience. http://remotesearch.blogspot.com/ http://electrohelponline.blogspot.com/
Check the remote control for any repair. Get into this site for details. It will have all the details about how to repair and clean a remote control in detail. "Electro-help" is the site name. Type it in either Google or Yahoo search box and click seatch. Never forget to type in 'hyphen' in between words, as site's name will be the same as above.
Check the tv manual control buttons right side of the tv bazel frame tv facing u,see if u can used the buttons like power, chanels - + or volumes - + from it.If u can, mean the tv have problems with is remote control.Change new batteries for the remote,still no response from the remote.Mean the remote is dead.Try website like Remotes.com to buy an exact remote or very close it.
SEARCHING FOR YOUR CODE
If your home entertainment device does not respond to the remote control after trying all of the codes listed for your brand, or if your brand is not listed at all, try searching for your code.
For example, after trying all of the codes for your TV, you still cannot get the remote control to operate your TV, then:
Turn on your TV.
On the remote control, press TV once. Then press and hold Setup until the key blinks twice, then release Setup.
Enter 9 - 9 - 1- 1. The TV key will blink twice.
Note: Substitute 1 with 0 if searching for a Cable code, 2 if searching for a DVD, VCR or PVR and 3 if searching for an Audio device.
Press Power and aim the remote control at the TV and press CH + one or more times until the TV turns off.
NOTE: In the search mode, the remote control will send IR codes from its library to the selected device, starting with the most popular code first.
Press Setup once to lock in the code. The TV key will blink twice.
To search for the codes of another device, repeat steps 1 to 5, but substitute the AUX key for the auxiliary device you are searching for.