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| | | |
| == Replacement Parts == | | == Replacement Parts == |
| + | |
| + | === Power Entry Module === |
| + | |
| + | [[File:DigiKey_Part_CCM1372-ND.jpg|64x64px]] [https://www.digikey.com/product-detail/en/te-connectivity-corcom-filters/PS0SXS000/CCM1372-ND/260225 TE Connectivity Corcom Filters PS0SXS000] |
| | | |
| === Transformer === | | === Transformer === |
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| * For 115V operation, jumper Primary #1A to Primary #2A as well as Primary #1B to Primary #2B. This puts the primaries in parallel. | | * For 115V operation, jumper Primary #1A to Primary #2A as well as Primary #1B to Primary #2B. This puts the primaries in parallel. |
| * For 230V operation, jumper Primary #1B to Primary #2A. This puts the primaries in series. | | * For 230V operation, jumper Primary #1B to Primary #2A. This puts the primaries in series. |
| + | |
| + | === 2x Logic Board === |
| + | |
| + | {| class="wikitable" |
| + | ! Name |
| + | ! Markings |
| + | |- |
| + | | U1 |
| + | | [https://www.allegromicro.com/~/media/Files/Datasheets/UCN5818-Datasheet.ashx Allegro UCN5818EPF] |
| + | |- |
| + | | U2 |
| + | | [https://www.mouser.com/ds/2/149/74VHC138-104558.pdf Fairchild 74VHC138] |
| + | |- |
| + | | U3 |
| + | | [https://en.wikichip.org/wiki/amd/am186ex/am186es%E2%80%9320kc%5Cw AMD Am188 EM-20KC] |
| + | |- |
| + | | U4 |
| + | | [http://ww1.microchip.com/downloads/en/DeviceDoc/20067K.pdf Microchip 93AA66/SN] |
| + | |- |
| + | | U5 |
| + | | [https://pdf1.alldatasheet.com/datasheet-pdf/view/50688/FAIRCHILD/74VHCT573/+_0589UwYhRDpKxHeDCdPL+hIh+/datasheet.pdf Fairchild 74VHCT573] |
| + | |- |
| + | | U6 |
| + | | [https://media.digikey.com/pdf/Data%20Sheets/ISSI%20PDFs/IS62C256.pdf ISSI IS62C256-70U] |
| + | |- |
| + | | U7 |
| + | | [http://pdf.datasheetcatalog.com/datasheet/nationalsemiconductor/DS011505.PDF National Semiconductor 74VHCT74] |
| + | |- |
| + | | U8 |
| + | | AMI 9851NTF ACU-RITE 387577-702 REV-B |
| + | |- |
| + | | U9, U10 |
| + | | [https://pdf1.alldatasheet.com/datasheet-pdf/view/12306/MOTOROLA/MC74VHC574DT/+02_QJUILSxSPME+SpEw+RMhIHSi+/datasheet.pdf Motorola VHC574] |
| + | |- |
| + | | U11 |
| + | | unknown, sticker reads "DRO 1.1.2" (ROM?) |
| + | |- |
| + | | U12 |
| + | | [http://www.mouser.com/ds/2/149/74VHC123A-15491.pdf Fairchild 74VHC123A] |
| + | |} |
| + | |
| + | === VFDs === |
| + | |
| + | ==== Top ==== |
| + | |
| + | Noritake CH1573G |
| + | |
| + | 8-digit 14-segment display with periods. The last (right-most) segment has a dot in the center of the top "circle" in the 8. There are also words above each digit to indicate modes. |
| + | |
| + | ==== Bottom ==== |
| + | |
| + | Noritake CH1572G |
| + | |
| + | 8-digit 7-segment display with periods and split center segments. The last (right-most) segment has a dot in the center of the top "circle" in the 8. |
| | | |
| == Online Resources == | | == Online Resources == |