491: Difference between revisions

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28 bytes removed ,  22 September 2023
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|manuals=
|manuals=
* ''[[Media:070-0598-01.pdf|Tektronix 491 Instruction Manual 070-0598-01 needed]]''
* ''[[Media:070-0598-01.pdf|Tektronix 491 Instruction Manual 070-0598-01 needed]]''
* [[Media:Tektronix_491_Maintenance_Manual_ARMY.pdf | Tektronix 491 Instruction Manual (US Army TM 9-6625-2467-15) (PDF)]]
* [[Media:Tektronix_491_Maintenance_Manual_ARMY.pdf | Tektronix 491 Instruction Manual (US Army TM 9-6625-2467-15)]]
* [[Media:Tek_491_Catalog_Spec_1967.pdf | Tektronix 491 Introduction Spec (PDF, OCR)]]
* [[Media:Tek_491_Catalog_Spec_1967.pdf | Tektronix 491 Introduction Spec]] (OCR)
* [[Media:Tek_491_Catalog_Spec_1979.pdf | Tektronix 491 Final Spec (PDF, OCR)]]
* [[Media:Tek_491_Catalog_Spec_1979.pdf | Tektronix 491 Final Spec]] (OCR)
* ''Service manual needed ''
* ''Service manual needed ''
<small>
<small>
'''Modifications and Calibration'''
'''Modifications and Calibration'''
* [[Media:050-0692-03.pdf | Tektronix 491 Band C Oscillator Replacement Modification (PDF, OCR)]]
* [[Media:050-0692-03.pdf | Tektronix 491 Band C Oscillator Replacement Modification]] (OCR)
* [[Media:Tek 491 mod wa.pdf | Tektronix 491 Mod WA (PDF, needs OCR)]]
* [[Media:Tek 491 mod wa.pdf | Tektronix 491 Mod WA]] (needs OCR)]]
* [[Media:Tek 491 fcp nov 1966.pdf | Tektronix 491 Factory Calibration Procedure, November 1966 (PDF, needs OCR)]]
* [[Media:Tek 491 fcp nov 1966.pdf | Tektronix 491 Factory Calibration Procedure, November 1966]]  (needs OCR)
</small>
</small>
}}
}}

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