Question about Samsung SIRS4120R Receiver

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Trouble with Tuner 2

Hello. Our Samsung SIR4120 DVR/ Receiver has problems with Tuner 2, with gridding up and freezing intermittently, very similarly to what happens during storms. But it is happening recently in clear weather.  When this happens, and we're watching Tuner 1, an error message pops up, "trouble with tuner 2."  The picture grids up, sometime freezing, with sound dropping out and occasionally stopping playing completely until we get out of the dropout by fast forwarding, if that works. I have switched antenna leads and it still happens on Tuner 2.  Can just the tuner be tested?   Please help if you can.  Thanks much.

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From experience, I suspect that the dish has lost it's optimum "focus" on the satellites, and your signal has dropped. In your case, tuner #2 just happens to need a little more signal than tuner #1 - and that's revealing the root problem.

If you can have a second person handy, use the signal meter function and view the signal. Then one person should move the dish a bit (likely upward a hair). If the signal goes up with just the slight movement of the still tight dish, that's the problem.

If so, it's time to align the dish.

Posted on May 15, 2008

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Hi,
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with the receiver connected. If it doesn't manifest the problem go to step 2

2 Get a can of compressed air, such as the small cans sold for dusting out computers.
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