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Date Posted: 00:17:39 11/14/02 Thu
Author: Milton Scritsmier
Author Host/IP: 12-253-104-43.client.attbi.com / 12.253.104.43
Subject: Re: HM-DSR100 Problem
In reply to: Axle71 's message, "HM-DSR100 Problem" on 22:42:42 11/03/02 Sun

>I have enjoyed using a JVC HM-DSR100 D-VHS satellite
>receiver for a year and a half. A few months ago the
>receiver developed a problem that made it unusable.
>When the problem developed I did not have the time to
>troubleshoot ot. I switched over to my basic
>receiver. Now I am trying to fix the HM-DSR100 unit.
>I will describe the problem below. I am wondering if
>anyone else has experienced this problem. If so, what
>might the resolution be? Does Dishnet still support
>the HM-DSR100 receiver. It seems like the problem is
>more of a software problem. Is there a way to reset
>the operating software for the receiver?
>
>Note that the satellite signal strength on the input
>coax cable is verified as OK because I am using
>another receiver on it.
>
>Note: The diagnostics test shows that the main unit
>check is OK.
>
>Problem symptoms:
>
>1. When the power supply to the receiver is
>interrupted then subsequently restored, then the
>receiver is turned on it will only stay on for about 5
>seconds before turning itself off. If a VHS tape is
>inserted and then ejected, the receiver then will stay
>on when the on button is pushed. This porblem
>actually existed for several months with the receiver
>still functioning 100%. I mention this symptom
>wondering if this is normal for the HM-DSR100 unit.
>
>2. The receiver is unable to receive any satellite
>signal. Intermittently, it will display the
>information bos that says it is trying to acquire a
>satellite signal. Sometimes a relay switching noise
>can be heard coming from the receiver box.
>
>3. When the menu screen is activated and setup is
>entered, all menu selections function OK except for
>point dish/signal strength. Also, multiple dish
>function does not work. When signal strength menu is
>selected the receiver shows the signal strength bar
>for 1/2 second then goes to screen that states it is
>trying to acquire satellite signal.
>
>4. The tape player will fast forward and rewind but
>will not play.
>
>It almost seems to me that the receiver stopped
>working when it received some kind of software upgrade
>or ECM from Dishnet. Is this possible?
>
>I sure would appreciate anyone's speculation, expert
>opinion, or resolution.....

I also have a DSR100, although mine is still working.

I've seen your symptom 1 for a long time. I can't remember if it's the result of a long-ago firmware upgrade or not.
In my case I find it's best to leave the tape in when the system is powered up and not try to eject it. If the power loss happened when the unit did not have a tape in it, then I have to cram a tape into it during the few second window when it's on. When I don't have a tape in my unit, then I also see your symptom 2 before it shuts itself off.

I've never seen your symptoms 3 and 4 although I also have a two dish antenna. I wonder if they could be related. Maybe there's a problem with the digital to analog conversion circuit which both paths (tape to TV, dish to TV) have to go through? Other than that I don't have any ideas.

I don't know of any upgrade by Dish for over a year or more now. My guess is that they've pretty much stopped supporting this unit.

Hope this helps...

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