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Show new changes starting from 01:46, 27 September 2026
 
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25 September 2026

     08:54  Capacitor Failure Symptoms diffhist +1,692 Josh talk contribs (P4 verification: add worked examples of ESR-rise and RIFA failure from the two hosted Pina books, with the U.S./International designator warning)
     00:18  File:IBM Monitor Repair Notes 8512 8513 8514.pdf diffhist +1,042 Josh talk contribs (P4 verification: real File: description - document identity from its own title page, page count, honest source note and honest licence block)
     00:17  IBM Personal Systems Reference - Monitors diffhist +1,759 Josh talk contribs (P4 verification: real documentation page - title as printed, part/form number, edition, contents, honest gaps, what it settles, cross-links)
     00:16  IBM PS2 8517 and 9517 Color Displays Hardware Maintenance Reference diffhist +3,097 Josh talk contribs (P4 verification: real documentation page - title as printed, part/form number, edition, contents, honest gaps, what it settles, cross-links)
     00:16  IBM 8513 Color Display Service Manual diffhist +2,648 Josh talk contribs (P4 verification: real documentation page - title as printed, part/form number, edition, contents, honest gaps, what it settles, cross-links)
     00:16  IBM 5153 Color Display Service Manual (Sams) diffhist +3,616 Josh talk contribs (P4 verification: real documentation page - title as printed, part/form number, edition, contents, honest gaps, what it settles, cross-links)

23 September 2026

N    03:16  IBM Options and Adapters - IBM Color Display diffhist +2,008 Josh talk contribs (Documentation page for newly hosted IBM Options and Adapters technical reference section)
     02:15  Capacitor Failure Symptoms 2 changes history +12,684 [Josh (2×)]
     
02:15 (cur | prev) −40 Josh talk contribs (Remove self-referential wording per house rule)
     
02:07 (cur | prev) +12,724 Josh talk contribs (Rewrite with full citations (Nichicon CAT.8101H hosted here, Vishay 40110, KEMET F3011): corrected 60 Hz hum to twice mains frequency, corrected bulging mechanism to Nichicon gas generation, added missing film/X2 suppression section, added tantalum derating 60-50 percent, added Class II ceramic DC-bias behaviour, replaced Japanese-brand rule with no-datasheet-no-purchase, replaced IPA-only cleanup with Nichicon soap-and-water plus never acidic/alkaline, replaced reforming folklore with Nichic...)
     02:15  CRT Discharge Procedure 2 changes history +11,081 [Josh (2×)]
     
02:15 (cur | prev) −45 Josh talk contribs (Remove self-referential wording per house rule)
     
02:05 (cur | prev) +11,126 Josh talk contribs (Rewrite against Apple Service Guide 1990 and Goldwasser CRT notes: corrected earth-return point (ground lug, never logic board), added never-wear-a-wrist-strap rule and implosion/goggles hazard, replaced unsourced 25 kV blanket with sourced per-class figures, replaced dead-short tool with resistive tooling, removed invented 30-min wait / 10-s hold / 10-15-min re-discharge interval, added ongoing shorting lead and aquadag mechanism; full ref citations)