Re: NEC Plasma fried PS
otterson@xxxxxxxxxxxx wrote:
> A friend has two large Plasma screens with burned out power supplies.
> He's a Broadcast Maintenance Engineer at a 24 hour news channel and can
>
> fix any electronic equipment if he has a schematic or can identify the
> parts.
>
>
> These units are NEC PX-42VP4A
>
>
> Does anyone have a schematic, service manual or insight into where to
> get the following part, BLQH, which looks like a surface mount
> transistor or insight into what the equivalent parts is?
Not sure. It could be some sort of voltage limiter or regulator.
You might also need to trace what it connects to, as it might be to do
with start-up of the power supply.
>
>
> NEC has been unresponsive to requests for a service manual or
> schematic.
>
>
> Thanks all
.
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