No sound on 2 channels after switch to digital

This is an analog tuner tv,there are no OTA analog tv transmissions you need a digital converter box btween your antenna & tv

Okay, does this tv have a built in DIGITAL tuner? Most tv's only have an analog tuner. You can tell the difference while you are changing the channels. If the channel indicates 2.1 or 2.2 and so forth, it is on a digital channel mode. If you change the channel and it indicated 2, 3, 4, etc. it is analog. If it has digital capability change the input until you see 2.1, 3.4 etc. If you cycle through all the inputs on the tv like, input 1 (TV) input 2(DVD) input 3(HDMI) and so forth and you never see the digital channel you most likely do not have a digital tuner. You will need to purchase a digital converter which will convert it to analog and you can watch it by placing you tv on analog channel 3 just like the old vcr's. Hope this helps and please don't forget to rate this solution.

If you're only using analog audio, switch the signal selection to manual or analog.

If the source(s) that do this are primarily digital and they experience any problems the unit will want to dynamically switch to its analog path. If there's no analog path connected from the same device(s) you'll get silence every time it switches to analog. Observe the display when the problem occurs.

Replace digital board. Common for this set.

I came across this problem yesterday. Digital channels sound... Analog no sound. press the tv button on your remote to change it from DTV/TV

go to any channel you want. press the menu button then go along to Sound setup. In there you will see quite a bit. I went down to an option in there.. it was sound input or something similar. this was set to BG I changed this to 'I' and the sound came straight back on. Hope this helps you out.

Little Dish Fitter

check your remote for a a audio button alot of times certain channels like PBS only plays in one sound It will be the button that changes the Mono/Sap/Main settings for audio or it could be a issue that network is having

Here is what you need to do to fix this. Call Hitachi Global Storage Technologies & request for the firmware upgrade.
1-800-HITACHI (448-2244)

They will send it to you for free. You get a small SD card that plugs into the back of your TV just below the Cable Card Slot. I wouldn'd have known it was there unless the instructions in the mail packet told me so.

To determine if you need to upgrade go Into the Setup Menu. Then, Go to Software Upgrades & look at the software version. I had 0110.xxxx. the version I upgraded to was 0125.0000 & it fixed the audio problem on 7-1 & 11-1.

now all channels work great.

THANKS HITACHI!!!

Check this forum thread:

http://www.avsforum.com/avs-vb/showthread.php?t=778593

I experience the same thing on a day to day basis. The key, is location of the antenna. Depending on where your antenna is located, determines if u can recieve local CBS analog v. digitial. I actually tried sticking aluminum foil to my old rabbit ear antenna legs. to my surprise, I even picked up digital channel I never knew existed. Besides, when the signal transmit in Digital, u are already prepared. Your local CBS afilliate station will be accesable on maybe 2 or 3 channels. example:

Channel 10 analog

Channel 10-1, 10-2, 10-3 digital HD will all broadcast the same programming.

hope this helps u out.

you have to go into the menu and set for cable then scan for active stations.