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566intpwr [2007/05/21 00:43] (current) |
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+ | ====== Orion Internal Power Adjustment ====== | ||
+ | **From the Ten-Tec Reflector October 9, 2006** | ||
+ | There are three adjustments on A5 board (under speaker): | ||
+ | |||
+ | *R20 marked "PWR" calibrates forward power measurement | ||
+ | *R21 marked "REF" calibrates reflected power measurement | ||
+ | *R179 marked "ALC SET" calibrates actual output power | ||
+ | |||
+ | Adjusting R179: | ||
+ | *connect external power meter and dummy load; | ||
+ | *set TX power to 100 W using MULTI knob; | ||
+ | *press TUNE, then PWR and adjust "ALC SET" for 100 W on the external power meter. | ||
+ | |||
+ | According to the schematics, A5 board is the same as on original Orion. | ||
+ | |||
+ | 73, | ||
+ | |||
+ | Sinisa YT1NT, VE3EA |