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585lowpwr [2007/03/27 17:13] n5na |
585lowpwr [2007/05/21 00:44] |
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| - | ====== Paragon Low Power Mod ====== | ||
| - | **From the Ten Tec Reflector October 28, 1996** | ||
| - | Instructions for modifiying the 585 Paragon I for low power operation: | ||
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| - | Replace R44 with 10K ohms on 2nd mixer board. Reset ALC for 100 watts. This mod gives a range of 100 watts down to approx. 2 watts. | ||
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| - | 73, Scott Robbins KY2P, Ten-Tec | ||
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| - | **From the Ten Tec Reflector May 4, 1998** | ||
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| - | Went looking for R-44 as mentioned by Scott Robbins on the 2nd mixer board. My board is NOT like the one in the manual so this fix may work only on early Paragon 1's. | ||
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| - | I found U-1 P-6 and traced it to a resistor that was already 10K but it is in the position on the board that calls out R-39 and the other side of this R-39 goes to the emitter of a transistor that is not even on the schematic! I paralleled the 10K (R-39) resistor with another 10K resistor by tacking it on top of the original. Now my power will go down to 5 watts. I did not have to re set the high limit as it did not seem to change. I still get 90 watts full power out, so I'm happy with this mod . | ||
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| - | Your milage may differ.........be careful out there, as things are not | ||
| - | always as the manual / schematic says! ......... :-) | ||
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| - | Walt K8CV | ||
