No. The dual LNB uses an external SW-21 switch. The Twin feed has 2 dual feeds, and 2 Sw-21 switches housed all in ONE unit. LLW LeRoy Westlund Westlund TV & Electronics 97 North Main " I forgot,..to remember,.. Centerfield, UT 84622-0087 to forget " Ph./Fax 435-528-3822 mailto:LLW@xxxxxxxxxx -----Original Message----- From: Kevin <kevintv@xxxxxxx> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx> Date: Thursday, February 03, 2005 11:43 AM Subject: [TechAssist] Re: Dish Network - Twin feed failures. >Are you talking about a dual LNB? > >Kevin Wilks >Kevin's TV & Video Repair >Penticton BC Canada >kevintv@xxxxxxx > > >-----Original Message----- >From: techassist-bounce@xxxxxxxxxxxxx >[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of LeRoy Westlund >Sent: Thursday, February 03, 2005 9:45 AM >To: TechAssist >Subject: [TechAssist] Re: Dish Network - Twin feed failures. > >You guys still misunderstand the problem, Jim. > >These small dish feeds are not like the large "C" band dish feeds. The >cover has a rounded bulb type of shape to it, and I think it is designed >to >be part of the correct deflection angle, combined with the shape of the >dish. Without it on the feed, the wave guide might not receive any (or >enough) of the deflected signal. > >I would try testing one off a new feed, but, you can't get them off >without >breaking them. >On the other hand, if you had a new one, it would snap right on with no >effort. > > >Thanks just the same. >LLW > >LeRoy Westlund >Westlund TV & Electronics >97 North Main " I forgot,..to remember,.. >Centerfield, UT 84622-0087 to forget " >Ph./Fax 435-528-3822 >mailto:LLW@xxxxxxxxxx > >-----Original Message----- >From: becyn <becyn@xxxxxxxxxx> >To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx> >Date: Thursday, February 03, 2005 10:22 AM >Subject: [TechAssist] Re: Dish Network - Twin feed failures. > > >>I don't know about the effect that duct tape might have at >>UHF/microwace freq's, >>but how about cutting a peice of MW guide cover material to fit ovet >the >>opening? >>You can use rtv around the edges to seal and stick it on. >>All the cap does is waterproof the LNA module while proviiding a >>transparent >>"window" for the wave engergy to pass through with a minimum of >attenuation. >> >>Jim McVey >>McVey Alltronix >>327 Broadway >>Newburgh N.Y. 12550 >> >>"If it doesn't play... >>CALL MCVEY !!!!!!" >>Factory authorized >>service for over 20 >>major brands. >>845 561 8383 >>(Last of the Mohegans) >> >>LeRoy Westlund wrote: >> >>>No, Damon. You don't understand the question. >>>I'm dead serious. >>>I'm not concerned about the appearance. >>>I need to know if it will actually cause the feed to NOT function. >>> >>>I think the rounded shape of the plastic must bend the reflected >signal to >>>enter the wave guide at the proper angle. Every one of the Twins that >fail, >>>have had the plastic broken, and will not pick up a signal. The ones >that >>>say made in China are the only ones that disintegrate. >>> >>>This has been haunting me now for some time. >>>I think I know what most of you will say, but, I need to hear it >direct >from >>>the horses mouth,...NOT from the other end. >>>;-) >>> >>>LLW >>> >>>LeRoy Westlund >>>Westlund TV & Electronics >>>97 North Main " I forgot,..to remember,.. >>>Centerfield, UT 84622-0087 to forget " >>>Ph./Fax 435-528-3822 >>>mailto:LLW@xxxxxxxxxx >>> >>>-----Original Message----- >>>From: damon101@xxxxxxxxxxxxxx <damon101@xxxxxxxxxxxxxx> >>>To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx> >>>Date: Thursday, February 03, 2005 4:47 AM >>>Subject: [TechAssist] Re: Dish Network - Twin feed failures. >>> >>> >>> >>> >>>>Well.......as a Dish Owner.........I wonder if I can use Duct tape to >>>> >>>> >>>create >>> >>> >>>>a new cover, since that 75 cent cover comes with a $75 trip charge >from >>>>Findlay Ohio for Direct View owners and $75 trip charge from Marion >Ind. >>>>for DISH owners..... >>>> >>>>Pretty is NOT an issue with me....maybe MCM has dish parts...... >>>> >>>>Damon Brunger >>>>Telrad Electronics >>>>Fort Wayne IN >>>>----- Original Message ----- >>>>From: "LeRoy Westlund" <llw@xxxxxxxxxx> >>>>To: "TechAssist" <techassist@xxxxxxxxxxxxx> >>>>Sent: Thursday, February 03, 2005 12:35 AM >>>>Subject: [TechAssist] Dish Network - Twin feed failures. >>>> >>>> >>>> >>>> >>>>>Hi members, >>>>>Question for those of you who do repairs on Dish Network systems. >>>>>I have noticed that when the "Twin feed" fails, that the plastic >cover >>>>> >>>>> >>>>over >>>> >>>> >>>>>the feed that is ment to keep the insects, Wasps, etc. out, is >always >>>>>cracked, and when I touch it, it shatters to pieces. The ones that >fail >>>>> >>>>> >>>>are >>>> >>>> >>>>>always the ones that say "Made in China" on them. The ones made in >the >>>>> >>>>> >>>>USA, >>>> >>>> >>>>>or Japan seem to never fail, and the plastic never cracks. >>>>> >>>>>Question is: Does the cracked plastic have anything to do with the >>>>> >>>>> >>>failure >>> >>> >>>>>of the feed, and IF so,...where can you get replacement covers for >them. >>>>> >>>>> >>>A >>> >>> >>>>>new feed costs about $90-110 + shipping,....and if the plastic cover >was >>>>>available, it should only cost a few cents each. >>>>> >>>>>TIA, >>>>>LLW >>>>> >>>>>LeRoy Westlund >>>>>Westlund TV & Electronics >>>>>97 North Main " I forgot,..to >remember,.. >>>>>Centerfield, UT 84622-0087 to forget " >>>>>Ph./Fax 435-528-3822 >>>>>mailto:LLW@xxxxxxxxxx >>>>> >>>>> >>>>> >>>>>-------------------------------------------------------------------- >---- >- >>>>> >>>>> >>>- >>> >>> >>>>--- >>>> >>>> >>>>>Lost Password: >>>>>http://www.tech-assist.org and select "Login Problems?". >>>>>Email Archives: >>>>>//www.freelists.org/archives/techassist/ >>>>> >>>>> >>>>> >>>>>-- >>>>>Internal Virus Database is out-of-date. >>>>>Checked by AVG Anti-Virus. >>>>>Version: 7.0.298 / Virus Database: 265.6.9 - Release Date: 1/6/2005 >>>>> >>>>> >>>>> >>>>> >>>> >>>>--------------------------------------------------------------------- >---- >-- >>>> >>>> >>>-- >>> >>> >>>>Lost Password: >>>>http://www.tech-assist.org and select "Login Problems?". >>>>Email Archives: >>>>//www.freelists.org/archives/techassist/ >>>> >>>> >>>> >>> >>> >>>---------------------------------------------------------------------- >---- >--- >>>Lost Password: >>>http://www.tech-assist.org and select "Login Problems?". >>>Email Archives: >>>//www.freelists.org/archives/techassist/ >>> >>> >>> >>> >> >> >>-- >>No virus found in this outgoing message. >>Checked by AVG Anti-Virus. >>Version: 7.0.300 / Virus Database: 265.8.5 - Release Date: 2/3/05 >> >> >>----------------------------------------------------------------------- >---- >-- >>Lost Password: >>http://www.tech-assist.org and select "Login Problems?". >>Email Archives: >>//www.freelists.org/archives/techassist/ >> > > > > >------------------------------------------------------------------------ >----- >Lost Password: >http://www.tech-assist.org and select "Login Problems?". >Email Archives: >//www.freelists.org/archives/techassist/ > > >--------------------------------------------------------------------------- -- >Lost Password: >http://www.tech-assist.org and select "Login Problems?". >Email Archives: >//www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". 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