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Some channels have sound, others don't - Projection Televisions

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Check to make sure the SAP is off.

Posted on Oct 08, 2008

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Pt-50lc14 no sound on ch8, has sound on all others


The channel memorised on channel 8 is set to another AUDIO frequency or audio mode. You need to check the setting of the channel 7 to confirm and reset using the manual tuning to reset the audio mode.Since you have not mentioned the place of residence, say for instance PAL system has different audio modes.

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The audio signal connection between the processor and the amplifier chip is loose or defective. You need to open the tv, follow the wires from the speakers to the amplifier board and then check all the others that plug in there. Fix or replace the faulty part.

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When I got the remote control and started the channel setup, it only picked up Digital channels, and I don't know how to have all of the other cable channels show up. The channel numbers come up like...


This is a newer TV. It doesn't have an analog tuner. You will have to buy the analog to digital converter box and re-scan your channels, or switch to a digital cable/dish provider.

Aug 26, 2011 | Projection Televisions

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Some channels have sound, others don't. Picture fine on all channels


Possible that the sound settings are in different modes on the TV. So check to set after selecting the channels to the required sound frequency of your service provider.
If not you will need to reset once again the memory and do a search scan IN the AUTO mode for resetting the TV channels.

Nov 01, 2010 | JVC AV-48P575 48" Rear Projection...

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Have sound on some channels but some no sound


If you are using a comcast D.T.A. (Digital transport adapter) THAT LITTLE BOX FOR 2ND OR 3RD TV IN YOUR HOUSE. GO to channel with no sound then press LANG button on the remote that came with your DTA box. Press it only once. This worked for me .

Jun 20, 2009 | Philips Magnavox 51MP392H Rear Projection...

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No colour, contrast or volume memory. Channel memory OK, have fitted new battery.


Sounds like the eprom! I don,t have that manual in front of me but if it has a 8 pin eprom, try this, remove it and see if your settings are available and operational,( the ones in question) if they are then it is defective.

Apr 28, 2009 | Projection Televisions

1 Answer

No sound on some channels, some channels have wrong sound for pic


The SAP feature has been turned on. Look for a button that says SAP or go thru the audio menu and turn it off.

Apr 09, 2009 | Projection Televisions

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Any idea why on my new sharp 32" lcd tv, all cable channels except 57 & 58 (CNN) work fine, but on these channels the sound goes off and on, like there is a short in the sound. all other tvs and cable work...


If you do not have problems with picture and sound on all the other working channels, then the problem you are having with 57 & 58 cannot be a short. The problem you are having is that those channels will not tune in properly through your tuner and this is why you get intermittent sound when they are trying to tune in. The sound tunes in easier than the picture. You said that you have programmed the channels again and I am assuming you are talking about the autoprogramming mode. Try to program those channels individually by deleting them and then readding them. If you cannot do that then you need to take the tv back since it is new or have warranty service look at your tuner and setup your tuner by making adjustments to it directly. Good luck and God bless.

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Channel volume


Make sure that the sound setting in the menu are NOT set on SAP. The sound should be set on stereo. Use the mitsubishi remote to pull up the menu then go to the audio portion and look for that setting. If you need more help or it is set on stereo let me know and we can go further.

Tim

Sep 10, 2008 | Mitsubishi VS-45607 45" Rear Projection...

1 Answer

Intermittent Sound


Check the audio menu and see if you've selected SAP (Second Audio Program) and if so unselect it..
Bill

Jan 18, 2008 | RCA D52W19 52" Rear Projection Television

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