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  #21  
Old 11-09-2015, 04:45 AM
todehnal todehnal is offline
 
Join Date: Jan 2005
Location: Kentucky Lakes area in KY
Posts: 947
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Hi Dean. Your print 45A will give you everything that you need. I can only notice a slight amount more background noise now, than what I had with the music wires removed, and that is only noticeable when the engine is not running. Balancing the inputs to the mixer is key. I cut the trim pot tool in half. Now, I only have about a 2 inch tool to work with, and it makes adjusting the pots so much easier. With the avionics deck cover panel off, you can snake your hand down into the area of the trim pots. It still takes a light touch to feel the engagement of the blade of the tool going into the trim pot screw slot. Another aid is to place a sharpie pen ring around the tool, in a position that you can see to determine that you are engaged in the trim pot screw slot. I probably spent an hour balancing these pots with a charger hooked up, the master on, the avionics up, and the Skyview in setup, to get what I wanted. I even have a very functional music jack now. Hope it works for you..............Tom
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Last edited by todehnal : 11-09-2015 at 04:47 AM.
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  #22  
Old 11-12-2015, 11:58 PM
dinowal dinowal is offline
 
Join Date: Dec 2011
Location: TWIN WATERS, Queensland, AUSTRALIA
Posts: 89
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Hi Tom, Yesterday I put the pins back into the intercom plug & proceeded to balance the Efis l & r with the Efis main Volume as instructed. A perfect result, - Efis, alerts, intercom & radio all at the same satisfactory level. I think the main problem was that I had turned the Efis volume right down many months ago, & I had NOT read the procedure in the plans properly. All fine now, - thanks again for your help, DEAN.
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