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- This edit created a new page (also see list of new pages)
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27 September 2026
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N 09:34 | ZX Spectrum Servicing Manual (Thorn EMI Datatech, 1984) 2 changes history +5,189 [Josh (2×)] | |||
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09:34 (cur | prev) +126 Josh talk contribs (Add the relevant circuit diagram already hosted here) | ||||
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09:21 (cur | prev) +5,063 Josh talk contribs (New documentation page for the original March 1984 servicing manual, hosted for the T.I.S. Service Data and Repair Data sections that the retypeset edition lacks) | |||
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N 09:34 | Sinclair ZX Spectrum 128 Service Manual 2 changes history +4,549 [Josh (2×)] | |||
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09:34 (cur | prev) +159 Josh talk contribs (Add the relevant circuit diagram already hosted here) | ||||
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09:21 (cur | prev) +4,390 Josh talk contribs (New documentation page for the newly hosted ZX Spectrum 128 Service Manual: contents, what it settles, and the fact that its symptomatic-fault table was never completed) | |||
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09:31 | Sinclair ZX Spectrum +2 Capacitor Replacement Guide 2 changes history +285 [Josh (2×)] | |||
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09:31 (cur | prev) −22 Josh talk contribs (Unlink the ZX Spectrum +3, which has no page on this wiki yet, so nothing renders as a red link) | ||||
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09:29 (cur | prev) +307 Josh talk contribs (P5 verification: correct figures and re-attribute the Repair Data citations to the T.I.S. document now hosted here; remove emoji headings) | ||||
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09:31 | Sinclair ZX Spectrum +2 3 changes history +260 [Josh (3×)] | |||
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09:31 (cur | prev) −35 Josh talk contribs (Unlink the ZX Spectrum +3, which has no page on this wiki yet, so nothing renders as a red link) | ||||
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09:29 (cur | prev) +105 Josh talk contribs (Link the newly hosted ZX Spectrum 128 Service Manual documentation page) | ||||
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09:29 (cur | prev) +190 Josh talk contribs (P5 verification: correct figures and re-attribute the Repair Data citations to the T.I.S. document now hosted here; remove emoji headings) | ||||
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09:29 | Sinclair ZX Spectrum 128 2 changes history +345 [Josh (2×)] | |||
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09:29 (cur | prev) +113 Josh talk contribs (Link the newly hosted ZX Spectrum 128 Service Manual documentation page) | ||||
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09:29 (cur | prev) +232 Josh talk contribs (P5 verification: correct figures and re-attribute the Repair Data citations to the T.I.S. document now hosted here; remove emoji headings) | ||||
| 09:29 | Sinclair ZX Spectrum+ Capacitor Replacement Guide diffhist +643 Josh talk contribs (P5 verification: correct figures and re-attribute the Repair Data citations to the T.I.S. document now hosted here; remove emoji headings) | ||||
| 09:29 | Sinclair ZX Spectrum 128 Troubleshooting Guide diffhist +769 Josh talk contribs (+12 V rail feeds the MC1488 RS-232 driver and keypad, not the video stage (Service Manual s1.10); European sound carrier is 5.5 MHz +/-2 kHz, not 5.5-5.9 MHz; manual now hosted and cited) | ||||
| 09:29 | Sinclair ZX Spectrum 128 General Maintenance diffhist +493 Josh talk contribs (P5 verification: correct figures and re-attribute the Repair Data citations to the T.I.S. document now hosted here; remove emoji headings) | ||||
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09:20 | (Upload log) [Josh (2×)] | |||
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09:20 Josh talk contribs uploaded File:ZX Spectrum Servicing Manual Thorn EMI Datatech 1984.pdf (Original March 1984 ZX Spectrum servicing manual (Thorn EMI Datatech for Sinclair) with the T.I.S. Service Data and Repair Data sections absent from the retypeset edition) | ||||
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09:20 Josh talk contribs uploaded File:ZX Spectrum 128 Service Manual.pdf (Sinclair ZX Spectrum 128 Service Manual, Rev 1.1 (Spectrum For Everyone retypeset) - component-level parts lists for the Toastrack) | ||||
| 08:59 | Capacitor Failure Symptoms diffhist +80 Josh talk contribs (Link the documentation page for each cited manual, keeping the File: link as the direct download) | ||||
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) | ||||
23 September 2026
| 20:16 | Sinclair ZX Spectrum+ Capacitor Replacement Guide diffhist +3,970 Josh talk contribs (Replace the Issue 2/3 capacitor table (section 8.5) with Sinclair's own section 9.13 list for the Issue 4A/4B/5/6A boards the Spectrum+ actually uses - C1-C8 are 22 nF not 47 nF, C49 is 560 pF not 47 nF, and C54-C105 were missing entirely; C27 is Electrolytic 1 uF 50 V, not Ceramic; add the section 9.12.1 notes and the KTC2236A-Y TR4 pinout trap) | ||||
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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...) | ||||