DM600 PVR Problem no LNB power

tru01 · Jan 3, 2015

Hi,
Looking for schematic or parts to check for my DM 600 PVR that has a damaged power output to the LNB
Any help is highly appreciated!

Ferret · Jan 3, 2015

No idea regarding schematics for the tuner but the tuner is a module and can be replaced. Im guessing your aware of that though.

tru01 · Jan 3, 2015

Thanks, aware of that. Not to sure if the problem is in the tuner module as this is a regulated DC voltage. On other DM's it is a transistor that blows on the Motherboard.

Ferret · Jan 3, 2015

tru01 said:
Thanks, aware of that. Not to sure if the problem is in the tuner module as this is a regulated DC voltage. On other DM's it is a transistor that blows on the Motherboard.

Hard to say but the 600 tuners are similar to the 800s and when they show no voltage its usually the tuner but i understand why your been cautious.

tru01 · Jan 4, 2015

Thank you so much for the tip, you where right

damaged tuner board. Was able to swap it to check.
Turned out to be a blown LM358 on the tuner board

DM600 PVR Problem no LNB power

tru01

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Ferret

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tru01

Inactive User

Ferret

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tru01

Inactive User

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