HP Car 3490A 1 . 14INSTBUMENT.AND MANUALIDENTIFICA - T I O N

SectionI

most of the 3490A logic IC'sfor use with the -hp lO529A Logic Comparator.Using theseboardswith the Logic Comparator,a faulty IC canbe isolatedin seconds without removingit from the circuit. A spareparts set, -hp-11127A, is available for the 3490A. This set contains the most critical componentsof the 3490A such as integratedcircuits, transistorsand reed relays. Three interface cablesare availablefor the GPIB Option 030. Thesecablesareidenticalexceptfor length.

l063lA Interfacecable,3ft. 10631BInterfacecable,6ft. 10631CInterfacecable,12 ft.

AGPIB Repair Kit, -hp-Part No. 0349G80009, is availablefor troubleshooting the GeneralPurposelnter- face Bus I/O circuits. Also availableis a cable.Product No. 562A-16C,for usewith Option 021 and*rp 50508 or 50554,Printers.Field installableOptionsO2l and,O22 for units with Option O2O are available by accessory numbersIll2lA and I I l22A respectively.

Model3490A

1 . 14INSTBUMENT.AND MANUALIDENTIFICA - T I O N .

l-1 5. Instrument identification by serial number is located on the rear panel. Hewlett-Packarduses a two-section serial number consisting of a four-digit prefix and a five-digit suffix separated by a letter designating the country in which the instrument was manufactured. (A = U.S.A.; G = West Germany; J = Japan;U = United Kingdom.)

l-16. This manualappliesto instrumentswith the serial numbers indicated on the title page. If changeshave been made in the instrument since this manual was printed, a "Manual Changes"supplementsuppliedwith the manualwill define thesechangesBe. sureto record thesechangesin your manual. Backdatinginformation in Section VIII adapts the manual to instruments with serial numbers lower than that shown on the title page. Part numbers for the manualand the microfiche copy of the manual are alsoshown on the title page.

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