Question about Optoma MovieTime DV10 Multimedia Projector

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Optoma dv10 internal speakers work; audio output does not work! optical, RCA, stereo minijack... none work. internal speakers work however. Used to use optical output. How can I fix? thanks!

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  • audiodane Nov 16, 2009

    projdoc-- appreciate your reply! unfortunately, the projector already setup properly to provide the optical digital audio output. Settings never changed, just took it to a buddy's house for a thanksgiving party and then brought it home. No one else touched it or messed with it. Got it back home, hooked the optical cable back up (how it was just before the party, when everything worked great), and optical output no longer works. Red light coming through the cable, but apparently no audio content in the light stream. :(


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You have to select the external speakers in the audio section of the menu settings.

Posted on Nov 16, 2009

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1 Answer

Having problems connecting using RCA cables (TV to Sound Bar) - No sound on Sound Bar


I assume by using your phone (cable rca to mini jack) the sounbar functions normal. Next time give more info like tv and soundbar make and model no and what connections are available on both components and if its input or output connections.

On the tv make sure the rca cable (tv to soundbar) is plug into the stereo output of the tv and not in a av input. Some tv's have a mini jack out and not rca. Some have a earphone socket which could also be used.

Some tv's only have a digital or optical output port. Iin basic sound work and can be connected with the following combinations .

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Your two choices are the 3.5mm minijack hole that says AUDIO OUT terminal, which is under the Ethernet Terminal and the DIGITAL AUDIO OUTPUT terminal, which is under Input 7. If your external speaker system does not have a 3.5 mm minijack input to accept the 3.5 mm minijack cable then this isn't going to work. There are cables where one end is a 3.5 mm minijack and the other end is an RCA so you can try that and it MIGHT work. Other than that the Sharp televisions are known for not carrying sound over the fiber optic cables consistently so even if you bought a fiber optic cable and connected it between the digital audio output and a speaker system or sound bar there is no 100% guarantee it'll work. It is worth a try anyways.

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42PG20 Connections
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  • 1 x Composite video/audio input ( RCA phono x 3 ) - Rear ,
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  • Rear , 1 x Digital audio output (optical) ( TOSLINK ) - Rear ,
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42PG20 Audio System
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Download it and have it install.

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line output (usually with a 1/8" stereo minijack). You can feed this into a cassette deck or an amplifier (ideally connected to a good pair of near-field monitor speakers) for playback and mixing purposes. If you have a really cheap soundcard, it won't even have this and you'll have to get your output from the...
headphone jack (with a 1/8" stereo minijack). You can use this for monitoring while recording, but don't use headphones for mixing.
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Hook the coax line into a source with a built in tv tuner line a VCR or an LG DVD Player/Recorder.

Then run the connect the picture output from the source to one of the Optoma's picture inputs.

Use the source's remote control to flip channels.

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1 Answer

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