Question about NEC PlasmaSync 42VP4D 42 in. HD-Ready Television

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Does anyone have the voltage specs on a PNT-426 Power Supply. It is for my NEC PlasmaSync PX-42VM5A Monitor. My electrician has found a faulty diode but doesn't have the voltage specs on it. I have a photo of the Power Supply if that will help. It sounds like trying to fix the board is the best bet considering a new one is around $750.00 and a re-furbished one is $350.00 - $400.00. Any help would be appreciated. Bob Klemmer Weyburn, Saskatchewan, Canada bklemmer@sasktel.net

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I have a PX-42VM5A and my Power supply is a PNT-426 (by Sanken Electric Co. LDT). Here are my specs: INPUT: AC 100-240V; OUTPUT: (there are nine outputs) +170v 1.6A; +60v 1.6A; +5v 4.0A; +2.5v 1.9A; +3.5v 1.9A; +7v 1.0A; +12v 0.5A; +12 v 1.9A and +6v 1.2A

Posted on Jul 07, 2009

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I assume the part needing to be replaced is discontinued and there is no cross-reference for it thus the need for specs...if so:

The problem is the transistors, MOSFETs, most likely, that are used for high speed power switching. They're about .30 to 2 bucks but you'll have to order them direct as they've been discontinued. Just read the part number on the transistor and Google it. Matching specs on a discontinued part can be difficult.

Posted on Jun 20, 2009

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Where to buy pnt-426 or 3s110101


I had same problem.
Also check all 4.7 Ohm resistors for o/c R307/308/309/310 5Watt W/W.

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