Question about Philips 27PT6441 27" TV

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Power supply problem on chassis EM2E

No turn on at swith on. I would need a diagram of PS, because of its peculiarities..
Thanks in advance

Francisco from Spain

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Hi! My name is Francisco and I'm from brazil. I have NOCX3 for a year with everything fine, but I don't know why, it doesn't work now. The monocular turns on, but no image. Can you help me ....


internal power supply does not work.or check the display unit unsolder ed area.
or remove all capacitors and replace new caps.then it will work.
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I've got a new Gigabyte Ga-M68Mt-D3 mobo paired with a cooler master 460 watt power supple. Cpu is Amd phenom II 3.2 ghz with 4 gig of DDR3 ram. I powered up the supply attached to my ATX power supply...


Most motherboards now have a 24-pin power supply connector. If you haven't already found a diagram showing the pinouts of the 20- and 24-pin power plugs, here's one borrowed from a handy site:

pgh_pa_guy_1.jpg

The two plugs are essentially the same, but the 24-pin version duplicates some voltages on the extra pins. The extra pins in the larger connector were meant to provide extra current paths for voltages that see heavy loads from newer processors and motherboard circuitry. Depending on how a motherboard is designed, it might work with a 20-pin plug connected (leaving pins 11, 12, 23 and 24 empty). But typically if the board has a 24-pin connector it needs the 24-pin power supply plug.

Most power supplies have a 20-pin plug with a separate 4-pin section that fastens to it for connection to a 24-pin mobo connector. It typically has one side designed to slide onto the end of the 20-pin plug, essentially turning it into the 24-pin version. This added plug does not have a retaining clamp on its side, so you can tell it from the the 4-pin CPU power plug. The wire colors are also different. For reference, here is the processor power plug, from the same website:

pgh_pa_guy_2.jpg
New motherboard specs call for the separate processor power connector for the same reason the extra pins were added to the power supply connector: to handle the high currents needed by increasingly faster CPUs.

When the motherboard has these connectors, you need to use them all to get everything working. Hope this helps. Thanks to smspowersupply.com for the diagrams, and thank you for using Fixya.

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1 Answer

Power supply problem with Phillips 46pp8621/79


Your chassis is the DPTV 325 you can get the factory training manual for your set emailed to you at the following link. It cost 12.99 but comes with unlimited tech support if you need it. The manual is listed as DTV300 series training manual its has the trouble shooting proceedures and diagrams that you would need. heres the link.
http://servicemanuals.vstore.ca/

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1 Answer

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you are correct on one and two above, in your suspicions..how's your power from wall, and do you use a UPS?

check your computer warranty here 4 FREE

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Most of Pyramid's supplies are based on the LM723 voltage regulator. The DATASHEET should tell you most of what you'll need to know to repair it. THIS is the schematic diagram.

If the output voltage drives the voltmeter to the end of the scale, it likely has one or more shorted power transistors.

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