Question about Sanyo ECD-T1550 CD Player

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Sub I see that there is a little red light on the face titled SW it is to right next of the LOUD led can someone tell me what this is for im hopeing it for sub hookup but i could be wrong

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Re: Sub

There is a sub preout on that deck, the light i belive if for when sub mute is on

Posted on Jan 03, 2008

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XHDR6435 radio was working fine yesterday, now it will not turn on. the red led behind the faceplate flashed when i turn on the car, and cds will load and eject but the radio will not power up. i habe...

I just Spoke to tech support. This is what they said:
1. Key in the on position and the red power button lit, remove the face plate.
2. On the left bottom side press and hold the reset button, with a pen, for 10 seconds and let go. The red led on the right should flash.
3. Reinstall the face plate.
4. Push power. The unit should come back on.

Mine worked, and i was about to tear it out and return it. So try this first or even call tech support for Dual 1-866-382-5476.

Jun 14, 2011 | Dual Electronics XHDR6435

1 Answer


if there is not a sub or SW rca connection on the back then there is no setting for it


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I don't know wich output to hook up my amplifiyer

on the back there should be 4 AV style receivers. 2 are for speakers and 2 are for sub. the sub will more that likely be labeled SW with a red and a white. If there are only two AV receivers than you probabally cannot hook up a sub properly. But you can always use the speaker ones, just wont be as good

Nov 23, 2009 | Eclipse CD3422 CD Player

2 Answers

I have no display lights on my dual xdm6820 car radio. It does work but I can't see any words or graphics on the front of the unit. Can you tell me what is wrong?

if you have connected all the wires correctly you probably have a faulty dash,
If it is a removable face take it off and clean the terminals and re connect.
Hope this helps

May 07, 2009 | Dual XDM-6820 CD Player

1 Answer

Error ao pioneer head unit

If the discs PHYSICALLY get stuck, then the mech is damaged. A local shop MAY be able to fix it, but it might be a better investment to just replace the radio.

Aug 04, 2008 | Pioneer DEH-P6800MP CD Player

1 Answer

Power problems

Try brushing off the contact where the face plate goes on, may have something stopping it from working right

Apr 20, 2008 | Panasonic MXE CQ-C7413U FM / AM Receiver

1 Answer

Amps and sub-woofer not working

Enter into the Audio Setup mode(press and hold volume button for at least 1 second). Next, repeatedly push the volume button until the display shows "2 ZONE". Make sure this feature is turned off. Hold the volume button again for at least 1 second to leave Audio Setup mode.

Now you need to make sure the Subwoofer Output is turned on. Do this by holding down(AM position) on the control knob(toggle stick) for at least 1 second. Each time the button is pressed, the Subwoofer Output is turned ON/OFF. the display should show "SW ON".

Next, you can go into Audio Control mode(press but do not hold volume button). Keep pressing on the volume knob until "Sub-WLevel" is displayed. Here you can adjust the amount of gain for the Subwoofer ranging from -15 to +15.

I hope this fixes your problem with it.


Dec 31, 2007 | Kenwood Excelon KDC-X789 CD Player

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