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All filter caps have been replaced in power supply, unit cleaned,lubricated and repaired as necessary. Red (or Amber) plexiglass display cover replaced,(original display cover was a very funky piece of plastic). Pots and switches cleaned as needed. +5vdc diodes changed to 6A bridge configuration, Fine tuning pot changed to a 10 turn type. Output checked @80mhz @ 100,000 uv (-7dbm) with HP 431C Power Meter. Time base oscillator checked. Resistors in step attenuator checked. All power supply voltages checked and adjusted as needed. AC input modified to use a IEC computer style connector and cord set; cord set supplied as part of sale. This model does not have the capability of being fed from an external 1mhz time base. RF output connector is type BNC. Unit covers not repainted. Hardware replaced as needed. Manual ( Logimetrics 925-S125) available from Vintage Manuals or Surplus Sales of Nebraska, and is SIMILIAR to this unit with the exception of the "lock" circuitry and external time base options), but not supplied as part of sale. We are not a traceable cal lab, therefore any settings, such as time base or other adjustments, are not to be construed as "calibrated". All sales final, no returns or exchanges. No warranties or guarantees expressed or implied. We do after-sale technical and parts support for this and all of the items we stock refurbish and sell, please feel free to email us if you have technical and/or parts questions. Photo shown is of a typical LogiMetrics 921A and may not be the exact unit for sale.. You will receive Serial Number: 0021. This unit is medium ( 50 pounds calculated; grosss weight plus box size) weight, 19" rack size wide by approximately 9" high with a front retractable "bail" type wire foot. . It is a teriffic addition to any shop, especially if you are working on those great old Boat Anchor Era radios, or perhaps in a teaching environment. Unit is stable after warm up, easily repaired and maintained. Originally designed for the FAA and the military, these units are rugged and use parts that are relatively easily obtainable. Units use standard TTL and linear devices. A good signal generator will always save time and headaches when troubleshooting receivers. See our web page at http:// /kiss.electronics/index.html We repair/refurbish : URM 25/26, HP 410B,C, HP 608 family ,HP200CD, Simpson 303, HP 209, HP304C&D. (this posting is the responsibility of the poster) |
lmiles@dfwind.com (Lee Miles) for more information. All emails will be forwarded to the poster's actual email address.
