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23 September 2026
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23:33 | Sad Mac Error Codes 3 changes history +569 [Josh (3×)] | |||
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23:33 (cur | prev) +17 Josh talk contribs (House style: rephrase the corrections as statements about the facts rather than about this page's own history) | ||||
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23:28 (cur | prev) 0 Josh talk contribs (Fix the remaining FFFFTTEE to FFFFEETT for consistency with the rest of the page) | ||||
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23:27 (cur | prev) +552 Josh talk contribs (Verification drive: labelled as {{Original research}} per the wiki's own policy for native decoding work. Fixed internal inconsistencies: the expanded line-1 layout is FFFFEETT not FFFFTTEE (the page's own worked example, the extended exception list and the decoder gadget all put the exception in the upper byte of the lower word); the intro example called RAM Bank A test 03 when the page's own table makes it 04; the per-ROM checksum Test Manager command was given as test 04 (RAM Bank A) rathe...) | ||||
| 18:17 | Macintosh SE/30 diffhist +285 Josh talk contribs (Rebuilt against Apple SE/30 Service Source + Guide to the Macintosh Family Hardware: release date was 16 January 1986 (wrong; 19 January 1989), CPU 16.667MHz -> 15.667MHz, ROM 512KB -> 256KB, weight 19.5lb -> 21.5lb, RAM 128MB claim qualified against Apple 32MB; DELETED fabricated memory map, ROM module table, SCSI/sound path detail, JP13 and chess-tone easter egg; pseudo-slot video explained from Apple ch.12; chip location map from the hosted 050-0253-01 redraw; refs and reflist) | ||||
| 18:12 | Macintosh SE/30 General Maintenance diffhist +2,384 Josh talk contribs (Rebuilt from Apple SE/30 Service Source, Guide to the Macintosh Family Hardware, Dead Mac Scrolls and hosted 050-0253-01 schematic redraw: SMD capacitor leakage given proper weight, chip location map added, battery threshold 2.8V, DELETED invented rail table and R56 adjustment (Adjustments chapter is yoke/video only; 75W max)) | ||||
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02:25 | Recommended Tools 2 changes history +7,999 [Josh (2×)] | |||
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02:25 (cur | prev) +183 Josh talk contribs (Add a topical image (page had none)) | ||||
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02:11 (cur | prev) +7,816 Josh talk contribs (Rewrite and verify every named product: corrected Retro Chip Tester (standalone 8Bit-Museum instrument, not a TL866 add-on) with its real capabilities; corrected ESD mat/strap earthing to require a current-limiting resistor per ANSI/ESD S1.1 (a direct bond to mains earth is dangerous); removed insulated gloves as CRT protection in favour of goggles and the correct discharge tooling; replaced the unsourced 20-50 MHz scope rule with edge-speed reasoning; added sourced solder melting points (Kes...) | ||||
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02:15 | Capacitor Failure Symptoms 2 changes history +12,684 [Josh (2×)] | |||
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02:15 (cur | prev) −40 Josh talk contribs (Remove self-referential wording per house rule) | ||||
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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...) | ||||
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02:15 | CRT Discharge Procedure 2 changes history +11,081 [Josh (2×)] | |||
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02:15 (cur | prev) −45 Josh talk contribs (Remove self-referential wording per house rule) | ||||
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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...) | ||||
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00:22 | Macintosh SE/30 Troubleshooting 2 changes history +8,192 [Josh (2×)] | |||
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00:22 (cur | prev) +183 Josh talk contribs (Cite the SE/30 schematic as the now-hosted internal file rather than a GitHub URL; link the new schematic documentation page) | ||||
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00:17 (cur | prev) +8,009 Josh talk contribs (Verification drive: the page called a single HORIZONTAL line "horizontal collapse" and blamed C15/R19 - those are horizontal-sweep parts and produce a single VERTICAL line; the page contradicted itself on this two sections later. Corrected and sourced to Pina. CPU clock corrected 16 MHz -> 15.667 MHz (Apple). R22 moved to its real symptom. "Egret" removed - the SE/30 ADB transceiver is UL11, Egret is a later machine. J12 pinout verified pin by pin against Apple drawing 050-0253-01 and publish...) | ||||
| N 00:22 | Macintosh SE/30 Logic Board Schematic diffhist +2,597 Josh talk contribs (New documentation page for the MIT-licensed macse30mlb redraw of Apple schematic 050-0253-01, now hosted on the wiki) | ||||
| 00:13 | Macintosh SE Capacitor Replacement Guide diffhist +10,759 Josh talk contribs (Verification drive: the 24-row analogue-board table was the Macintosh Plus power/sweep board list and does not apply to the SE at all - the SE uses analogue board 630-0147 plus a SEPARATE power supply module (three variants). Logic board caps were given as 33uF 10V; they are 16V, and the designators were wrong. Removed R56 - the SE has no voltage adjustment. Added Apple FRU numbers, electrical specs, the 2.8V battery threshold, and Pina component-level analogue-board faults from the hosted De...) | ||||
21 September 2026
| 21:52 | Macintosh SE/30 Troubleshooting diffhist +20 Josh talk contribs (Verification drive: flag unverified component data pending check against a primary source) | ||||
| 21:52 | Macintosh SE 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) | ||||