Question about Polaroid TBX-2000AF 20 in. TV/VCR/DVD Combo

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Volume problem After a few days, the volume decreases almost to zero. It doesn't affect the output to the stereo, just the TV speakers. And, if i unplug it for a day or so, it's fine again for 3 to 5 days. Then the problem repeats. Any suggestions?

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So, better off sending it in for warranty, or just replacing the ic myself?

Posted on Dec 26, 2007

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Audio output amplifier (transistor or IC) is bad

Posted on Dec 26, 2007

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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

My Aiwa Colour TV, model No. TV-A2019, has developed audio problems. 1. The audio output from the speaker is high even when volume is set at level one. Audio output is constant for volume level 1 to...


You just come aroung the sound decoder section of your tv. Decoder problems may cause the fult you pointed out. Since all the controls are electronically controlled, and all are through sound decoder, which converts sound to stereo the problem must be there. Since sound comes from two channels are ok, there is no problem around sound output. Check for some soldering loose contact, wire socket loose cotanct also.

Oct 14, 2010 | Aiwa F2000 20" TV

1 Answer

How can i put my tv threw my stereo i have yellow white and red in the back of tv and in the back of the stereo i have 2 white 2 red and 2 black pls can you help me


Since we're most concerned with the stereo sound, disregard colors and read the silkscreened legends for the connectors.

However you would be better to get your TV-related audio from the cable box in the same way. TV electronics is on the lo-fi end of the quality spectrum. And its own volume control may affect the output. If the TV has a setting to make the output FIXED, select it so you can turn the TV volume down and let the real speakers do the audio job.

Whichever you choose...

Connect Audio L and R Out from the TV to any convenient input (AUX?) on the Technics.

Apr 10, 2010 | Technics SC-EH780 CD Shelf System

1 Answer

Can i run rca plugs from the tv to my stereo to listen to the tv through the house speakers


Just use the AUDIO line out RCA JACKS, You can also set the audio output to be either variable (controlled by TV Volume control), or FIXED output thenthe volume will be controlled by your stereo remote control, you will probably want to turn off TV buitl-in speakers.

Nov 20, 2009 | Televison & Video

1 Answer

We have the stereo hooked up to the dynex 42'' tv, as we did our other tv, we can not mute the complete sound and also sometimes we cant turn the volume up and down whats going on?


Since you have it hooked up to the stereo system, you need to go to on screen audio set up and turn off the TV built-in speakers (you will be listening the TV sound through your stereo system speakers), then go to the audio output set up and set it to 'variable' so the audio output of the TV's RCA audio out put will vary with the volume control of the TV (not all TV will alow this function), you will need to set the stereo volume to certain level (around 9~10 O'clock setting) since the sound coming from the TV will be controlled by the TV remote volume control. You can otherwise set the TV output to be at 'fixed' level, which means the sound output of the TV will not be controlled by the TV remote volume control, you will use the stereo remote volume control to adjust the sound level instead. I hope this is clear to you.

Nov 19, 2009 | Dynex DX-L42-10A 42 in. LCD TV

1 Answer

Volume automatically decreased to zero and won't go back up.


Plug the audio out to check it isn't the speaker itself failing. I suspect it is the audio circuit section of the board. But a few times I have experienced the speaker unit circuit where the magnet is caused the problem. So using an external speaker helps to determine speaker vs circuit

Thanks for using FIXYA

Oct 11, 2009 | Samsung HP-R4252 42 in. Plasma HDTV

1 Answer

Sub woofer volume adjustment


The gain dial is not a volume control. The gain dial is used to compensate the output level of your car radio head unit. all car stereo units output are not alike. If you set this gain level too high, it will cause major distortion (clipping) to the audio output of you speakers when cranked up. This excessive distortion WILL eventually, or even quickly damage or blow your speakers.

I personally blown speakers this way no not properly setting this. (lesson learned, I guess :| )

Jan 27, 2009 | Clarion DXZ545MP CD Player

2 Answers

Bose 151 main with amp


Does your tv have stereo outputs? if yes all you have to do is run RCA red..white jacks into tv outtput then run the other ends into the amps tape or aux or cd input and your done! If you dont have outputs on tour tv you will have to but an RF converter box (about 20.00 at wal-mart) and hook that into the tv and the cables will run out of that to the stereo!

Jan 14, 2009 | Bose 901 VI Main / Stereo Speaker

2 Answers

Volume decreases by itself


maybe defective speaker or audio output ic or shorted capacitor within audio circuit

Nov 09, 2008 | RCA F32648 32" TV

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