Amstrad CPC 664 Troubleshooting Guide: Difference between revisions

Create comprehensive Amstrad CPC 464/664 maintenance + troubleshooting + capacitor guide set with full service-manual cap list, board revisions, chip-level technical detail, per RTC style guide
 
Add representative photo (sourced from Wikimedia Commons, attributed on file page)
 
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[[File:Amstrad CPC 664 (photo).jpg|thumb|right|300px|Amstrad CPC 664. Source: Wikimedia Commons.]]
This guide covers diagnostic procedures for the '''[[Amstrad CPC 664]]''' (1985). The 664 shares the [[Amstrad CPC 464]]'s diagnostic philosophy — no numeric POST codes, symptom-based diagnosis using the service-manual flowchart, plus signal-level probing for the floppy disc subsystem that is unique to the 664. This guide adapts the official Basic Hardware Analysis flowchart from the [https://archive.org/details/Amstrad_CPC664_Service_Manual_1985_Amstrad_Consumer_Electronics Amstrad CPC664 Service Manual] and adds the field-experience disc fault catalogue.
This guide covers diagnostic procedures for the '''[[Amstrad CPC 664]]''' (1985). The 664 shares the [[Amstrad CPC 464]]'s diagnostic philosophy — no numeric POST codes, symptom-based diagnosis using the service-manual flowchart, plus signal-level probing for the floppy disc subsystem that is unique to the 664. This guide adapts the official Basic Hardware Analysis flowchart from the [https://archive.org/details/Amstrad_CPC664_Service_Manual_1985_Amstrad_Consumer_Electronics Amstrad CPC664 Service Manual] and adds the field-experience disc fault catalogue.