Question about Hughes SDHBH DirecTV DTV Receiver

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Searching for Satellite

13/18 volts missing from satellite connector. Have tried swapping power supply board but no help. What area of the main board is the 13/18 volt LNB power supply?

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The voltage is supplied by the power-supply through the RF/IF interface usually encased in a metal box on its own. Also without knowing the model number of your unit I cant help any further.

Posted on May 17, 2008

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I have Dish 322 receiver. Everything was fine; a week or so ago satellite 119 reception was spotty, now we can't get 119 at all. We get 110 but only about 34%. Sometimes the receiver will power itself off...


hartpark

It looks like you have lost the signal for the 119 satellite from your dish. Are you getting an error message, either 002 or 015, saying the satellite signal has been lost or acquiring satellite signal? First, check the cables on the back of the receiver to make sure they are secure. You can also run a check switch test to see if there is a problem between your dish and receiver.

Press the Menu button on your remote. This will bring up the Main Menu on your TV screen. Input the numbers: 6 (System Setup), 1 (Installation), and 1 (Point Dish). On the right side of the Point Dish screen are 3 buttons. Select the Check Switch button. Within the 2 large boxes are satellite numbers and green or red boxes. Make a note of the satellite numbers (should be 119, 110), the trans, the device, and switch. Super dish and alternate should not be checked. Select the Test button on the bottom of the screen. If a box pops up with a warning about TV 2, select Yes. It will now run the check switch test. Let it complete the test. After completion, the screen will automatically go back to the Installation Summary screen. You may get a message stating that the Check Switch test has found fewer satellites than previously detected. If you get this message cancel out of each screen (do not save the results) till you are back to the TV screen and it is acquiring Satellite signal.

If you don't get that error message, see if the information on the Installation Summary has changed. Then select Done on the next 2 screens and cancel out of the others till you get the message, Acquiring Satellite Signal. After it finishes acquiring satellite signal and downloads the program guide, see if you are getting a picture - try different channels. If you still have problems, please email me at, ray.calo@dishnetwork.com. If you are still experiencing problems, we will need to send a technician to fix the problem.

Ray Calo
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hi you should replace or repair your power supply board; when you hear this kind of sound there is some chimical capacitor damadged on the power supply unit, i hope that help;

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satic/spikes in the power line can curupt the satellite chips have you tried disconnecting from the main power supply for 30seconds or so somtimes a lot longer to reset the onboard cpu

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It could also be an F-connector needs to be replaced at the dish or multiswitch (if you have one). Sometimes moisture builds up inside the connector and corrodes the copper stinger inside.

If you go into your satellite signal strength menu and find the local channel satellite, you're sure to see either a weak signal or an intermittent one.

One more thing, if a tree has grown in the line of sight between the dish and the satellite, this will cause signal problems too. In this case, you either have to trim the tree or move the dish.

Hope this helps!

P.S.
The customer service reps at DirecTV usually idiots reading from a script with no real field experience.

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I do not have an schematic for this receiver. This receiver might not use LM317 or TIP42C but a different voltage regulator, try to locate where the 20 volts line from the power supply and follow it to anywhere near the LNB tuner circuitry. This type of IC is normally mounted on a heatsink.
Lastly if you are a subscriber, give you satellite service porvider a call to get a replacement.

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