Question about Polaroid 7 Under-the-Cabinet LCD TV with DVD Player Television

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My LCD is not coming on but I can hear the audio.

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More then likely the board that powers your display is bad need more specific model and etc to go further

Posted on May 05, 2010

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Adding speakers


HelloThere is audio output from the TV at its back. They will be marked as [Audio Out]. Connect these sockets with any audio IN socket of an amp or so, whichever you uses to hear audio, with an RCA cable twins. Set the TV speaker option to OFF. To make TV option to OFF, get into its menu, surf through,annd come to AUDIO window. Here you can choose the audio option. Select the last 'TV Speaker ON", and make it OFF. Now the audio from the speakers of the TV will get OFF. You can use the amp you connected to hear audio from TV.RCA cable will look as below. It can be bought from most of the electronic spare part selling shops at your town. Ok12_19_2011_2_27_50_pm.jpg

Dec 19, 2011 | LG 37LG30 37 in. LCD HDTV

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I have a Harmon Kardon HK 3370 Stereo Receiver and a Samsung LCD LE40C530F1W. When I connect the stereo Aux jack to the LCD Audio jacks ( red and white rf cables ) I get no sound out via the receiver.


Obviously make sure your stereo mode selector is set to AUX and the volume on the stereo is turned up at least a little when you test it.

If you still have no luck then try increasing the volume on the TV as well. You may have it set so that the level of the audio signal leaving the rear output connectors on the TV varies with the TV volume. That way if your TV volume was turned down or muted when you tested it, then you would not hear anything coming through your stereo.

There should be a setting in the AUDIO OPTIONS menu of your TV where you can switch between a VARIABLE AUDIO OUTPUT and a FIXED AUDIO OUTPUT level.

With the FIXED audio output level, you control the volume of the TV audio coming through the stereo speakers with the stereo remote only.

Otherwise it should work.

Good luck.

Jul 16, 2011 | Harman Kardon HK 3370 Receiver

1 Answer

Monitor speakers cannot function despite connecting the audio cable and checking the volume


nienqajm, Tell me if you hear anything if you connect a set of "ear buds" to the "mint" green color audio output connector "jack" on the pc!! Play a video clip with audio at YOUTUBE and you should hear something if audio not on mute. 12fixlouie

Oct 25, 2010 | NEC MultiSync LCD1525M (Black) 15" LCD...

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My tv comes on but has no picture or sound...screen is black


do you see the menu if you hit the button? If not look thru vents in back of set to see if see lights coming on. Most lcd displays have holes in them so you can see if the backlights are coming on. this lights the panel so you can see the pix. If it doesn't light unfortunately there are several things in lcd that can cause that.If you don't hear sound I would suspect the main pcb or mother board of set. It is usually the board that has all the audio/ video connections on it.

Sep 11, 2010 | Philips 32PFL5332D 32 in. LCD Television

1 Answer

Westinghouse SK-32H540S LCD HDTV Video Comes On,


Take a strong light and put it up against the screen. Do you see a faint image? if yes, then your backlight has failed. Could be a lamp, inverter or power supply issue. Not for DIY'ers.

Apr 23, 2010 | Sharp Aquos LC-37G4U 37 in. HD-Ready LCD...

1 Answer

Audio but no video


Sounds like a bad lcd panel (inverter boards) are part of the lcd panel.

Mar 19, 2010 | Sharp Aquos LC-32G4U 32 in. HD-Ready LCD...

1 Answer

Sansui 21in LCD VOLUME is lowering


If you are using a set-top box for Digital reception....check the output volume setting by going to the menu then audio set up section. On standard TV transmisssions the sound is often fine but on Digital....the box sets the feeder audio signal level.

Jun 29, 2009 | Sansui HDLCD3210 32 in. LCD TV

1 Answer

High pitched ringing when LCD is on


Obviously it's crosstalk from the supply for the LCD backlight supply into the audio amp...it's odd, because the supply should feed LEDs rather than a CF...but I'm thinking maybe a label in the phone got wet and is conducting your whine over to the audio bits.
The general solution is to crack the case, find the audio circuits, and make sure there is no deposit linking the areas such as from water condensation, spilled coffee, soaked label, etc. You can hear when you've fixed it!

Aug 15, 2008 | T-Mobile Wing™ Smartphone

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