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Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by gigascott, Jul 14, 2010.
Does this surprise you?
Does using a SWM8 with a SL-5 change where the guide data comes from? I vaguely (bad CRS day) remember seeing something to that effect, but can't find it again.
SWMBO doesn't like the current dish location and the only decent alternative has (or soon will have) a 119 LOS problem because of a neighbor's tree.
It's not a matter of if, it's a matter of when.
You will get 920 errors.
The receiver will complain.
At some point it will reboot on you to reacquire the guide data.
Your installer was lazy and a dumbass. Same for the CSR that you spoke to.
I really don't feel he was lazy because he went on the roof anyway to adjust the dish to increase the signal levels. I really feel that he felt like he was doing what he was supposed to. He said he was going to check the line of sight and if 119 wasn't blocked he would replace the LNB (since that would mean that the LNB was going bad).
"SWiM" can change how/where the guide data comes from since the SWiM sends it all on a SWiM channel [the 974 MHz range] and all the SAT feeds are fed to the SWiM all the time.
So what happens if a SL-5 / SWM8 combination can't see 119?
It may never care about the guide data off it since it's always able to get it from 101
Then why was I getting 920 errors without SWM? I can always see 101.
Okay, let me explain:
This is the stack plan for the SL5 LNB and for external multiswitches. If you are watching a channel that's on 101 or 99, the receiver will pull guide data from 101. If you are watching a channel that's on 110/119 or 103, the receiver will pull guide data from 119. This is how the switch in the LNB is designed, and this is REQUIRED in order to remain compatible with older receivers.
The SL3, SWM LNBs (SL5-S and SL3-S), and external SWM switches all use a modified stack plan for their internal switch, which pulls guide data from 101 at all times.
The bottom line is, though, that there is no way to modify how an SL5 LNB works, and simply changing the setting on the receiver doesn't do anything to solve the problem. Tune to a channel on 103 and you no longer get guide data streamed. If that goes on for very long, say "hello" to Error 920 and eventually a reboot.
The original tech wasn't lazy, just mis-trained, just like the CSR. Unfortunately, this is one of many issues where the wrong information is commonly believed and widely distributed.
As BattleZone just pointed out, you're NOT always tuned to 101 with a NON SWiM 5 LNB. I tried to tell you this from the beginning.
VOS, it's not that I didn't believe you. It just wasn't fully clear to me.
Why is it that directv's users understand the system better than the techs?
"Well" a few of us understand the table BattleZone posted.
Here once, I was "talking" with a CSR and she didn't think that table was meaningful, or would be helpful in troubleshooting a customer's problems. :eek2:
I am, among many other things, a DirecTV tech.
Granted, I wouldn't say I'm a *typical* DirecTV tech, but still... :lol:
"Fix that for you". Maybe not even *normal* either. :lol:
Hey, vos, I never claimed to be normal!
The Directv tech came back this morning confused that things weren't working well. I actually felt bad for him since he hasn't been trained well enough to know what to do. I tried to explain it to him and he said "ok, I will just swap out the 5 for the 3." We rescheduled for friday since my roof is wet due to rain. I don't need him falling off.
I had the same message for a few weeks, kept being told to do a soft and hard reboot. They finally scheduled a tech to come out. When we were discussing it, he said alot of the time it is the LNB issue, but in my case it was the little black box in the back (BBC or whatever). He changed it out, and it's fine. No message since.
So, I guess there's actually 2 different causes...
Thats very unusual for a BBC to ever be the culprit of a 920 error message. Considering that the program guide data at 101 and being mirrored on 119 is coming in on the Ku band frequency block which the BBC always ignores and simply passes through to the receiver.
The BBC is only concerned with switching the Ka band frequency blocks whenever called for.