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In my opinion, due to the physical appearance of pmp4000 and pmp3000 look the same, it will most likely also have a common circuit and parts list (at least, most).
Usually Behringer (and all the manufacturers), with the same series / sequence, using the same circuit, the difference is the number of channels only. You can compare the parts list on PMP3000 schematic, with your PMP4000. PMP4000.
The problem could be the ram modules, or the graphic card, or the power supply failing. Try remove the ram module, and insert one, and try to reboot. Please take antistatic precautions, when working on the mainboard.
Here is a parts list for the Tunturi T85 with many available parts. I don't see a circuit board but you may be able to contact the company to see if it has a different name or if they can get it added.
The repair / replacement procedure is not extremely difficult if you have some basic electrical safety knowledge and some basic electronics / mechanical repair skills.
You will need to unplug the power cord from the unit, lay the TV screen side down on something soft and flat like a bed if necessary, and then remove the rear access panel or the entire rear cover as required in order to access the circuit boards inside.
When you remove the rear cover and access the circuit boards inside, just check the part number that is printed right on your circuit board and confirm that it exactly matches the one provided in the online listing or the replacement part you have. Also make sure that any part you order is labelled "TESTED WORKING" in the condition description. Any part with a condition description of "AS IS" is probably faulty itself as well.
Then unclip and remove the various electrical wire connectors leading to the power supply circuit board. Then remove the screws securing the circuit board to the TV frame and then remove the power supply circuit board. Be sure to avoid touching any large capacitors on the circuit board which can retain a nasty charge even after the unit is unplugged.
Then just screw in the new circuit board and connect all the wire bundles to their appropriate connectors on the new circuit board and then replace the rear cover. Then plug in the power cord and test.
I can't tell from the manual if this particular model has the smaller removable access panel on the back or not. If it does, you will see a few screws around a removeable center section of the rear plastic enclosure. Just remove these screws and the smaller plastic panel should unhook and come off allowing you to access the main circuit boards inside.
Otherwise you will have to remove the entire rear plastic enclosure. This is not exceptionally difficult, it just means you will have to remove many more screws. There will likely be over a dozen small philips head screws all around the perimeter of the rear enclosure holding it to the TV frame. Depending on your setup it may be easier to lay the screen side down on a soft flat surface like a bed to do this, but most times this is not necessary. Just be sure not to press too much on the LCD display panel itself or allow it to get scratched / gouged / bent / poked / etc.
Here is a link to a picture of what a generic LCD TV looks like with the rear panel removed revealing the major circuit boards inside:
Just click on the appropriate part number under the POWER SUPPLY section to show a picture of the board as well as details and price. Unfortunately all those different power supply circuit boards appear to be currently OUT OF STOCK there, but you can probably find the one you need elsewhere online or on Ebay by searching for the exact part number listed on your particular circuit board.
Please comment back here to this page if you have any details to add, have any questions, have difficulty accessing the links, or just require further general assistance and I will respond as soon as I see it.
I hope that was helpful to you, good luck and take care.
You may also find replacement circuit boards on Ebay if you search for your TV's model number or for the exact part number printed on the inverter board itself. Prices may vary slightly on Ebay, but SHOPJIMMY is a very reliable sources of spare parts with consistently fair market prices.
The board replacement procedure is not extremely difficult if you are handy with a screwdriver, have some basic electrical safety knowledge, and a bit of electronics / mechanical repair skills.
You will first need to unplug the power cord from the unit, lay the TV screen side down on something soft and flat like a bed, and then remove the rear access panel or the entire rear cover as required in order to access the circuit boards inside. This will require removing 12 or more philips head screws from the rear panel plastic enclosure.
When you remove the rear cover and access the circuit boards inside, just check the part number that is printed right on your circuit boards and confirm that they exactly match the ones provided in the replacement board listing. If you order the part from Ebay, also make sure that any part you are considering is labelled "TESTED WORKING" in the condition description. Any part with a condition description of "AS IS" is probably faulty.
Then unclip and remove the various electrical wire connectors leading to the inverter boards Then remove the screws securing the circuit board to the TV frame and then remove the board. Be sure to avoid touching any large capacitors on the power supply circuit board while you are in there. They can retain a nasty charge even after the unit is unplugged.
Then just screw in the new circuit board and reconnect all the wire bundles to their appropriate connectors on the new circuit board and then replace the rear cover. Then plug in the power cord and test.
Your processor "Intel E7400" is listed as a socket 775 Intell core 2 duo processor. Your motherboard "MSI P965 Neo F V2" is listed as an Intell board using a socket 775 processor socket. The front side buss (or fsb) speed capabilities of the mother board, and the buss speed of the processor are compatible They should play nice with each other.
I found an LCD inverter database list that has the board listed but I am not sure what to do after that. (https://www.combase-direct.com/html/csshop/images/data_sheet/gy15vtsn_edc_parts.pdf) The site also said:
"You can search for updated part codes through CMS web site. URL : http://ecms. samsungelectronics. com/"
You probably have a sacrificial diode that blew out to save the rest of the monitor from further damage. The manufacturer should replace it with a refurbished one at little and sometimes no charge (comparatively speaking).