I tried connecting a DL3700 Pro that is "new" but been in storage for several years to a known good power source. There are no lights on the panel after turning it on (switch to |). The original power cable can not be located so I am using any one of several computer power cables that get accumulated over the years. I have not even bothered to put in a ribbon, connect it to a computer or put in paper ... I should get lights on the panel even if only telling me "paper out". Any thoughts on what to look for next - an interlock of some kind or is that power cable unique to this machine?
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Since you did not mention HDMI 2, I assume you have that connected to something else, and that is working properly. The following procedure is based on that assumption.
First, turn off everything connected to the set, and the TV itself. Disconnect the HDMI cable from whatever is going to HDMI 2 (leave the TV end alone for now) and connect it to the PS3. If the PS3 shows up on the TV, the problem is most likely a bad cable. To verify, turn off the PS3 and the TV, then move the known good HDMI cable to either HDMI 1 or 3. If the PS3 works on those also, the HDMI cable you had originally connected to the PS3 is defective. I know there are some bad ones out there; there is at least one lot with a right-angle connector on one end and a straight connector on the other that has a very high failure rate.
If the PS3 does not work with a known good cable to HDMI 2, then the PS3 has a problem. Try using a component (RGB) or composite (yellow end) connection to narrow down what the issue is.
If HDMI 1 and 3 do not work with a known good cable or any input source (DVR or cable box), then the HDMI switching circuit inside the TV is defective. Since the set is "new" that would be a warranty issue.
These units, while hot swappable, will NOT start with dead batteries connected.
You will have to replace the batteries to confirm if the unit is still usable. Sealed Lead Acid Batteries do have a shelf life when a charge is not applied and will fail after several months of sitting around.
If your unit was working fine before it was put in storage, I definitely would consider just replacing the batteries. It is possible that the batteries are connected loosely, you can try opening the unit up to double check all the connections but if it has been sitting for more than a couple months, I would definitely consider the batteries dead.
Good day! Here are some tips I can share to you on how to troubleshoot the problem. First, check physical connection. Check power cable for any visible defects. Replace cord if there is. Make sure the power source is a known working one. Try not to use any power strips, plug printer straight to the wall jack without any extensions. With the power cord plugged in to a known working outlet, unplug and replug it in the back of the printer's power supply. If still no power, press the power button of the printer. Hope I can help you more on this. Good luck!
As for known problems, this sounds like a failure in one of the circuit boards, either the one on the hard drive or the USB conversion board. If it is off warranty, the simplest method to test this is to transfer the drive into a new enclosure which you should be able to do at any PC shop.
If the drive works in the new drive enclosure then you're good to go. If it doesn't then you will likely need to replace it and if there is important data on the drive enlist a pro to recover the data.
Try the swap and let me know how you make out, if the results are indicating the need for a pro then reply with your Country, State and City and I will point you to an appropriate pro near you.
By "hard style" you mean that you ran a direct hot wire to radio (from battery or other known good power source)? if that does not work, did you ground radio case? If it does not work that way, either there is a problem where the radio's harness enters the unit, or there is a loose connection inside it!
Motherboard Replacement needed most Likely..
Toshibas are known to run very hot...
and over time it might have caused a Short in your Motherboard..
Try connecting laptop to an external video source to see if it is a bad video card.... but I am leaning towards motherboard.... The DC Jack is probably not your problem being that when plugged into AC Power source.. It Lights up a Power Light On the Laptop... which indicates, power supply "good"