Question about JVC TH-A30 System

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System unresponsive when modes are switched

I have a JVC Home theater system model #THA30 The disc tray does not open for playing cd's or dvd's. The radio works fine and the Aux function works ok also. I unplugged the unit for two hours and the disc tray would open but after turning the unit off or changing from dvd to radio it stops working again. Thanks in advance H.L. Allen

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Arnt they seperate things? ive seen some systems that dont function if thery are not in that mode. If its in DVD mode nothing on the DVD works, if its in the radio mode maybe the power changes over to the tunner only? you cant play both at once maybe their idea. Will things work when its in the cd mode? Is the unit staying cool?

Posted on Apr 13, 2006

  • Tyler Ingle Apr 02, 2014

    Yes it also has a video, and sat mode but I also dont have a remote for it, but iam not sure I have all the rca cables hooked up right what are the blue,green and red plugins for? Does the s-video cord need to be pluged in?

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Sounds like there may be a glitch in the microprocesor. Make sure when you unplug it that you leave it along for a few days and is there any type of clock or standby batterys in it take them out as well. If that dosent correct the problem your gonna need a service manual to trace the switch pulse to see if the units Switch matrix lines are low or lost because of a faulty micro or a bad componet like a small caps they install on the matrix to keep noise off them. Hard one to call with out seeing unit and analizing unit Good Luck

Posted on Apr 12, 2006

  • Larry  Dillon
    Larry Dillon Apr 14, 2006

    no bower I dont think thats what there saying as far as i can understand that When there in cd mode the door wont open

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