Question about Thomson DPL 550HT Theater System

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Having a problem with my Thomson DPL 550HT home theater. When i try to play something the sound repeatedly goes off and on in about a one second interval.

The system is about 10 years old and i am not sure how or when the problem started. I am pretty sure that it is not a connectivity issue since there is no distortion in the sound, it just cuts right off and then back on endlessly. But i am willing to try any suggestions.

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  • 373 Answers

I would have to guess that the internal power supply has one or more bad capacitors. Time to take into a technician for repairs.

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

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SOURCE: error message

If the "check speaker" is always turning on, it is possible the amp itself is shorted at the IC. Replace AMP IC pack or if it has N and P channel output transistors acheck them. Some amps do use a thermister and this could be burned open in circuit.

Posted on Apr 12, 2007

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Tip

Home Theater / Surround Sound Receiver simple Connection.


Are you tired of trying to remember what input on the Home Theater / Surround Sound Receiver goes with the Input on the TV? Wife fussing at you that the TV is too confusing? Here is a simple way to set up your connections.<br /><br /> <ol> <li>Connect each of your devices ( ie. Cable box, Game Sytem, VCR, ETC) to the inputs on your TV.</li> <li>Locate the AUDIO OUT on the back of the TV.</li> <li>Connect a cable from the AUDIO OUT on the TV to the TV/AUX INPUT on the back of the Home Theater.</li> <li>If the Home Theater has a DVD player built in then connect the Video out (either Component or HDMI or standard Video out) to the TV.</li> <li>When not watching a DVD (if equipped), keep the Home Theater tuned to AUX/TV for the source.</li></ol>The advantage of this set up is that whatever input you tune the TV to will then play through the Home Theater speakers without having to change the source on the Home Theater.<br /><br /><span style="font-weight: bold;"><span style="font-style: italic;">NOTE: Turn the volume all the way down on the TV to avoid distortion due to the slight delay between the TV and Home Theater Audio.<br /><br /></span></span> Hope this tip is helpful for many of you.<br />Robert<br />

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If the "check speaker" is always turning on, it is possible the amp itself is shorted at the IC. Replace AMP IC pack or if it has N and P channel output transistors acheck them. Some amps do use a thermister and this could be burned open in circuit.

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