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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
sanyo dp47460

 
 


justin1212
New User

Jul 2, 2012, 2:20 AM

Post #1 of 7 (4447 views)
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sanyo dp47460 Can't Post
hi my name is justin. as the title suggests i have a sanyo dp46470 47'" lcd tv. lately its been randomly turning off on me, especially while using my ps3 or watching an hd channel. it will still turn off occasionally while watching regular tv but not nearly as quick. when i try to play a game with higher graphics it only lasts 5 minutes or so. it seems to me that there is probobly something inside getting too hot but im not sure what it could be or if i can fix it. any ideas would be greatly appriciated, thanks in advance!



74f100
Enthusiast

Jul 2, 2012, 11:50 PM

Post #2 of 7 (4429 views)
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Re: [justin1212] sanyo dp47460 [In reply to] Can't Post
Is it dropping the P/S on pulse? Is the power supply dropping output? Is backlight dropping while the set is on or does the set actually turn off?
HDMI not working



justin1212
New User

Jul 3, 2012, 3:36 AM

Post #3 of 7 (4423 views)
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Re: [74f100] sanyo dp47460 [In reply to] Can't Post
it literally just shuts off as if someone hit the power button, the sound fades for just a second and then its off. i can turn it right back on but depending what im doing it will shut right back off in a minute or so and the third time i need to unplug it for a few minutes (i assume to reset something inside) and then it all starts again. if im only watching regular non hdtv it goes a lot longer before any of this happens, sometimes days in between. games with less video quality are the same but a higher def game will shut it down in munutes.


74f100
Enthusiast

Jul 3, 2012, 11:14 AM

Post #4 of 7 (4421 views)
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Re: [justin1212] sanyo dp47460 [In reply to] Can't Post
You'll need to monitor the P/S on line from the main to the power supply.

When the set is shut down, is this pulse there? Or even better, have a meter on it when it shuts down. See if that pulse drops when the set shuts down.
HDMI not working



justin1212
New User

Jul 4, 2012, 1:19 AM

Post #5 of 7 (4412 views)
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Re: [74f100] sanyo dp47460 [In reply to] Can't Post
sorry im kind of new to all this but what is p/s and how do i go about testing this? also what kind of meter am i needing for this? thanks!


74f100
Enthusiast

Jul 4, 2012, 4:51 AM

Post #6 of 7 (4408 views)
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Re: [justin1212] sanyo dp47460 [In reply to] Can't Post
P/S is power supply. The line is usually marked as PS on. It is either a 5vdc or 3.3vdc voltage supplied FROM the main to the P/S. This voltage turns the P/S on.

You will need a multi-meter or anything that can measure and readout voltage in DC.

I can't get super specific with Sanyo at the moment, they took down their site that had all the manuals. But the lines are usually marked on the power supply near the cable running between the power supply and main.


Hope this helps,
Jim
HDMI not working



justin1212
New User

Jul 4, 2012, 11:12 AM

Post #7 of 7 (4404 views)
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Re: [74f100] sanyo dp47460 [In reply to] Can't Post
i appreciate your patience. i will see what i can find out and go from there. thanks!

 
 
 


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