I have one of these tv's and I was wondering if it's a Samsung thing. I have a blown Y buffer. I removed it and when I turn the tv on I get 203v like I'm supposed to but it drops off. As soon as I remove the ribbon cable to the Y-Main from the control board, the board stays at 203v. I tried swapping the Y-Main with another one and it does the same thing. Does Samsung have a protection that turns the power off if all the boards are not connected? Or do I have 2 faulty Y-Mains? I have spare boards for the whole tv but the Y-Buffer.
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Re: PN51D450A2D Power Question
What numbers on the bufferboard? I think I have a set here....not 100% positive,but have a few pn51's here...Proud owner of dozens of broken TV's and many,many,many boards.
Our website and passion:http://hollenhundshepherds.com/ -
Re: PN51D450A2D Power Question
Yes, samsung does have such a protect circuit. It can be a pain in the arse! You should check between SVC_OUTH and SVC_OUTL for Vsch voltage - approx 130 to 150V. If buffer not shorted and this missing suspect ymain.
Also note that these newer plasma panels will damage the buffer board if the panel is cracked. That means that if the seller did not thoroughly test the board it can be bad. Also check your TV for micro fractures around the edge of the panel.
Test the boards like this: http://m.youtube.com/watch?v=51SZsfH60EYLast edited by tom66; 08-11-2014, 01:27 AM.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: PN51D450A2D Power Question
Heya,
I know the buffer board is bad. Getting shorts on 2 chips. There is a small crack on the screen but they had been watching it for 6 months with it. I wonder if I should bother ordering a new buffer board or should I just junk it.Comment
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Re: PN51D450A2D Power Question
"A small crack on the screen" and "Watching fine for 6 months" does not sound right. How much do you believe the seller? There are plenty of ultrathin Samsung plasmas with cracked screens, and they all stop working pretty quickly because the buffer board is fried, or the panel gas leaks.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: PN51D450A2D Power Question
I don't know them. I paid them $20.00 for the tv. I'm not out too much. I have another blown buffer board, I could pull the chips off and resolder them on the other board. But they are $10 to buy. I'm curious to see if it will work.Comment
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Re: PN51D450A2D Power Question
I would just take the boards out and sell it as is. If you want to test the boards just lift the bad chips and you should get a part picture which will allow you to check if the boards are working.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: PN51D450A2D Power Question
Sounds like a plan. I was going to see if I can get it working and give it to a friend for their garage.Comment
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Vizio e601i-A3 - Has Sound and Display, But No Backlight - Bad Power Supply Board or Bad LED Bulbs ?I was given this TV from my great uncle. He said it just wouldn't turn on one day out of nowhere, replaced the TV, and gave it to me to possibly fix and use for myself.
Upon bringing it home and plugging it up, it showed a standby light.
I powered it on and without a flashlight, the display showed the "V" but the lighting is very dim, but visible.
The screen seems to blackout and stay black, but with a flashlight I can see the display.
With my Playstation 4 connected via HDMI, and running a game I can hear sound.
Assuming... -
Hi all!
I'm trying to troubleshoot a Microsoft Surface Pro (5th gen) model 1796 that won't power on. Motherboard model is M1007506-015. My priority is retrieving data, but the SSD is integrated so it looks like if I can't repair it it'll need to go to a data recovery company. I've done a little basic board repair before, but nothing this advanced until now. So please forgive my ignorance in advance. 😅
I found the boardview for this laptop in the forums here, and am able to open it on my PC with FlexBV.
https://www.badcaps.net/forum/troubl...-hardware-devi... -
Hi all,
TL;DR - this laptop is driving me nuts with the oddball power-related behaviors. Appreciate any insight you can provide!
I'm experiencing a power issue on an Asus Probook P5440UF-XB74. Although I've worked with electronics and computers for decades, this is my first attempt at getting into motherboard-level component troubleshooting. Any help the community can provide is greatly appreciated!
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I have wanting to do this project for quite sometime now and I finally found a switching power supply that will work on this desoldering gun station ZD-915 that the original switching power supply took a shit and just was not worth trying to fix it because this switching power is not quite big enough to handle the heater element and the vacuum pump
One note when I tested the switching power supply and the voltage control board I noticed that this desoldering gun heat up much faster than the original switching power supply which I was really surprised by to the point that I might buy... -
This specification for the HP Pavilion Power Pavilion Power 15-cb009nl Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Pavilion Power 15-cb009nl boardview and Pavilion Power 15-cb009nl schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that...09-06-2024, 05:59 AM
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