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This is a sub-selection from [HN7000S] Could this be a feedhorn problem?

grohgreg
Dunno. Ask The Chief
join:2001-07-05
Dawson Springs, KY

grohgreg to dutch1918

Member

2007-Aug-29 7:19 pm

to dutch1918

Re: [HN7000S] Could this be a feedhorn problem?

said by dutch1918:

Doesn't the voltage come from the IDU? How would you go about testing the voltage at the LNB other then the cable end that attaches to the LNB.
Yes. Unscrew the cable from the LNB. Set the multimeter to read DC volts. Put the red lead on the center conductor, put the black lead on the connector. G16/1230 is vertically polarized, so your meter should read ~13v (+/-2)

//greg//
· actions · 2007-Aug-29 7:19 pm ·

dutch1918
Premium Member
join:2003-08-17
Florence, AZ
1 edit

dutch1918

Premium Member

2007-Aug-30 9:18 am

I'm missing something here. If you unscrew the cable and test the voltage (from the IDU) then how pray tell you going tell that the LNB is bad? Or is this just an assumption?
· actions · 2007-Aug-30 9:18 am ·

grohgreg
Dunno. Ask The Chief
join:2001-07-05
Dawson Springs, KY

grohgreg

Member

2007-Aug-30 9:38 am

Sequential troubleshooting. First determine whether or not the LNB is receiving a working voltage.

//greg//
· actions · 2007-Aug-30 9:38 am ·

dutch1918
Premium Member
join:2003-08-17
Florence, AZ

dutch1918

Premium Member

2007-Sep-1 10:35 am

said by grohgreg:

Sequential troubleshooting. First determine whether or not the LNB is receiving a working voltage.

//greg//
In the 5 years I have been working in the industry I have never seen a bad feedhorn other then moisture that can get in the older units. Then all you have to do is remove the plastic lens, dry it out and reseal the lens.

My 2 cents
· actions · 2007-Sep-1 10:35 am ·

A900MHz Fan
join:2004-07-12
Mitchell, SD

A900MHz Fan

Member

2007-Sep-1 4:20 pm

said by dutch1918:

said by grohgreg:

Sequential troubleshooting. First determine whether or not the LNB is receiving a working voltage.

//greg//
In the 5 years I have been working in the industry I have never seen a bad feedhorn other then moisture that can get in the older units. Then all you have to do is remove the plastic lens, dry it out and reseal the lens.

My 2 cents
The LNB and the feedhorn are different things. I believe greg is posting procedures to troubleshoot the LNB.

Neal
· actions · 2007-Sep-1 4:20 pm ·
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This is a sub-selection from [HN7000S] Could this be a feedhorn problem?