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Show new changes starting from 16:21, 25 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)
     08:50  Macintosh SE diffhist +912 Josh talk contribs (P4 verification: cite Apple's own Service Source volume for this machine (hosted here) for the electrical specification and battery threshold, and link the documentation page)
     08:48  Macintosh SE/30 Capacitor Replacement Guide 2 changes history +1,190 [Josh (2×)]
     
08:48 (cur | prev) +2 Josh talk contribs (P4 verification: rename a duplicated ref name so the citation renders)
     
08:47 (cur | prev) +1,188 Josh talk contribs (P4 verification: cite Apple's own SE/30 Service Source for the absent voltage adjustment and the 2.8 V battery threshold, and flag the mislabelled Classic analogue-board schematic)
     08:44  File:The Dead Mac Scrolls 1992.pdf diffhist +1,098 Josh talk contribs (P4 verification: real summary, page count, file size, source note and honest licence block for a File: page that was empty or 'MsUpload')
     08:44  File:Macintosh SE30.pdf diffhist +1,037 Josh talk contribs (P4 verification: real summary, page count, file size, source note and honest licence block for a File: page that was empty or 'MsUpload')
     08:44  File:Macintosh SE.pdf diffhist +1,036 Josh talk contribs (P4 verification: real summary, page count, file size, source note and honest licence block for a File: page that was empty or 'MsUpload')
     08:44  File:Macintosh Repair & Upgrade Secrets.pdf diffhist +1,139 Josh talk contribs (P4 verification: real summary, page count, file size, source note and honest licence block for a File: page that was empty or 'MsUpload')
     08:38  The Dead Mac Scrolls diffhist +3,533 Josh talk contribs (P4 verification: turn document holder into a real documentation page (what the document is, what it covers, what it does not, citing pages))
     08:38  Macintosh Repair & Upgrade Secrets diffhist +6,795 Josh talk contribs (P4 verification: turn document holder into a real documentation page (what the document is, what it covers, what it does not, citing pages))
     08:28  Macintosh SE Service Source diffhist +3,194 Josh talk contribs (P4 verification: turn document holder into a real documentation page (contents with PDF page numbers, Apple's own specifications, honest gaps, citing pages))

23 September 2026

     18:17  Macintosh SE diffhist −4,570 Josh talk contribs (Rebuilt against Apple Macintosh SE Service Source: DELETED fabricated memory map, ROM v5.3-v5.6 table, PDS card list, RC filter values, environmental table, 150W max power, 1.5 million units and the ROM easter-egg address; Apple specs added (100W max, 90-140/170-270VAC, 17-21lb, four-voice sound); three-assembly construction (analogue board + separate PSU + video board) documented; FRU/board numbers; release_date parameter fixed; refs and reflist)
     18:12  Macintosh SE General Maintenance diffhist +3,124 Josh talk contribs (Rebuilt from Apple Macintosh SE Service Source + Dead Mac Scrolls: page described the SE/30 battery and linked SE/30 guides; SE cell is 3.6V half-AA lithium, replace below 2.8V (Apple), bicarbonate not vinegar; DELETED invented rail table and R56 trimmer (SE has no voltage adjustment, no power/sweep board); added analogue/PSU/video board structure, T2/B1/CR2/CR3/Q2 faults, FRU numbers, refs)
     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)
     01:36  Battery Explosion, Capacitor or Corrosion Damage diffhist +12,961 Josh talk contribs (Verification drive: corrected chemistry (Li-SOCl2 half-AA neutralised with bicarbonate not IPA/water; capacitor electrolyte washed not neutralised - no published pH); added cadmium hazard for NiCd; added damaged-cell handling section incl. accurate lithium fire guidance; fixed +5V range 4.75-5.25 V; corrected United Chemi-Con/Nippon Chemi-Con and OS-CON/Panasonic; removed arbitrary '100 ohm' rail threshold and Kapton '400C' claim; added IEC 60086-1 cell designations; all figures now <ref>-cit...)
     00:22  Macintosh SE/30 Capacitor Replacement Guide 2 changes history +13,150 [Josh (2×)]
     
00:22 (cur | prev) +44 Josh talk contribs (Link the newly hosted Macintosh SE/30 logic board schematic)
     
00:14 (cur | prev) +13,106 Josh talk contribs (Verification drive: the 24-row analogue-board table was the Macintosh Plus power/sweep board list, which the SE/30 does not have (it uses analogue board 630-0147 plus a separate power supply module). The logic-board table said C1-C10 47uF and C11 1uF; the real 820-0260 list is C2 470uF 16V axial, C6 1uF 50V, C11 220uF 16V axial and ten 47uF 16V - the two axials were missing entirely. Removed R56 (no voltage adjustment on this machine). Added SMD leakage and trace corrosion detail, Ux8/F258 fa...)

21 September 2026

     21:52  Macintosh SE/30 Capacitor Replacement Guide diffhist +20 Josh talk contribs (Verification drive: flag unverified component data pending check against a primary source)
     21:50  Battery Explosion, Capacitor or Corrosion Damage diffhist +20 Josh talk contribs (Verification drive: flag unverified component data pending check against a primary source)