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1381
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eHam Forums / Elmers / No Power Out On Kenwood TS-2000
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on: March 02, 2007, 08:45:29 AM
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As you mentioned, the TS-2000 is a transceiver with largely surface mount components. What is your bench experience with surface mount electronics?
w9gb
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1383
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eHam Forums / Amplifiers / AL811H
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on: February 26, 2007, 04:43:53 PM
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"I want to know about the tunning pots that are located in the back of the unit. How do you set them up." You don't. This is a very nice amplfier that will last your lifetime -- if properly operated and cared for. Please follow-up Steve's (WIK) suggestions. People who repair HF amplifiers -- see far too many problems caused by broken ferrite core slugs -- due to improper tools -- that damage these cores. Keep that 'golden screwdriver' in your pocket. Ameritron AL-811H Linear Amplifier Instruction Manual (Acrobat version) http://www.ameritron.com/man/pdf/AL-811H.pdfText Version (Omega Electronics) http://www.omega-electronics.com/al811hm.htmlw9gb
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1386
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eHam Forums / Amplifiers / alpha power
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on: February 24, 2007, 04:14:39 PM
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Sounds like you had that experience during the time that "Crosslink", Alpha's former parent corporation was being dissolved. Many Alpha owners are glad that some people stepped up and were able to seperate the "old ETO/Alpha" from Crosslink -- before its eventual bankruptcy.
I had a chance to visit Alpha in 2004, a few months after this, to pick-up some parts for my 76PA. I had an interesting discussion about their decision to select the 8877 tube for the new amplifier (with computer control) and avoid the all solid-state approach.
I had VERY GOOD service in picking up my prats and got to see Ronnie Milsap's Alpha in for refurbishment!
w9gb
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1388
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eHam Forums / Boat Anchors / SB-220 Cabinet
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on: February 24, 2007, 03:47:11 PM
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You can look at the LMB Heeger cabinet line. http://www.lmbheeger.com/products.asp?catid=16Their "CO" series of cabinets are very much like the Collins "S" line and Heath "SB" cabinets. They can custom build, but a telephone call -- may provide you additional information. I believe they were the original OEM supplier to both Heath and Collins (based on both companies specific deisgns). w9gb
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1391
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eHam Forums / Amplifiers / Tube replacement on a FL 2100b
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on: February 24, 2007, 11:58:48 AM
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I think you will be happy with the Taylor 572B tubes. I belieeve that RF Parts offers a longer warranty period for them! BTW, since you have amplfier open - take a look at W4CLM web page on the FL-2100b (bottom of page) http://foxtango.org/amplifiers/FL%20Amplifier%20Evolution.htmNow is the time for maintenance: 1. Check C222 2. Clean fan assmebly 3. Check bandswitch for arcing or corrosion 4. Remainder of W4CLM tips and visual inspections recommended with this amplifier -- before you "fire it back up" w9gb
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1394
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eHam Forums / Boat Anchors / 1953 Motorola 520BR for 6M FM
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on: February 17, 2007, 09:32:54 AM
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Start with the Motorola special interest groups. Any Land Mobile Tech that was between 20 and 30 years old when this cam out NEW, is now 75 to 85 years old ("hands-on" knowledge is retired and slowly disappearing)!!
1. BATLABS 2. Yahoo Group - Repeater Builders (Deep Motorola land mobile models knowledge and documentation with this group).
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