Plugged into usb over night, made it stay on for about 10 mins , then keep on turning of progressively less time. I guess battery is low and getting worse. I tried plugging into car lighter and same thing . I dont know why it will not run for ever if plugged into the lighter?
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One possible cause is that your battery is low or the battery can no longer hold a (good) charge. In this case, the TomTom is shutting down because there's not enough battery to keep it running, even though it is plugged into a power source.
To determine if the battery is the cause, try to charge the TomTom battery .... using a (USB) connection to your computer, or a direct power source (i.e. while the TomTom is not being used). Let it charge for a few hours until the batter charge indicator shows that it is fully charged (or just leave it charging overnight).
Then, unplug the TomTom from the "charger" and power it up. If the TomTom (battery) doesn't hold a (good) charge, the device will shut down within a few minutes, e.g. 10 mins or much less.
When you (then) plug the device into a power source, and it doesn't stay on (i.e. it keeps shutting down after 10 seconds), you can safely conclude that the battery is the cause of your problem.
First, keep in mind that the unit shuts down to preserve battery life. Simply remove any batteries to be sure the unit won't accidentally run on them and activate the 10 minute auto-shutdown. Keep the AC adapter plugged in at all times for a continuous projection. If you don't have the AC adapter then I'm afraid you're out of luck. Perhaps check eBay for one, but you will need that cable plugged in if you want the projector to stay on all night.
If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.
Yup, it seems a lamp problem can give a blinking green light over the 10 times (1 - 10 times for diagnostic codes), but in my case rather than replace the bulb if it works for a minute then resets with the green light blinking, do what I did. Take the lamp out and inspect it, it has breather screens top and bottom, if it cant breath because there clogged with dust, clean them, and you can remove the screens, use q-tips and clean the inside. I saved the cost of a lamp and it's working fine!
I bought a 503 which had this problem, it would stay on for anything between 10 mins & 3 hours.
the guy told me he had been told it was a condensation sensor.
All I did was take back off, blow it out all boards with an air line, disconect fans. I ve had it 6 months now with not a single problem.
You might want to unlpug the powercord for the night, then plug it back in the next morning. Some times that can help reset things.
If that still doesnt do the trick, you might have a faulty power cord. If it does this with every source you hook up to your TV then that would be a sign that its something in the set vs. your external source.