Amstrad CPC 664 Maintenance Guide: Revision history

27 September 2026

• curprev 11:0511:05, 27 September 2026 Josh talk contribs 18,282 bytes −7 Remove emoji from section headings - the rebuilt pages across this wiki use plain headings, so these were batch drift rather than house style undo

22 September 2026

• curprev 19:1919:19, 22 September 2026 Josh talk contribs 18,289 bytes +197 Add a lead image undo
• curprev 19:1719:17, 22 September 2026 Josh talk contribs 18,092 bytes +5,307 Verified against Amstrad's own CPC664 Service Manual (hosted). Board is Z70205 MC0005A/B not Z70200/MC0030; drive is Matsushita EME-150A on PCB 30001 not 'Hitachi HD3.5R'; belt is 3x0.6x230mm not 54x1mm; OS ROM is part 40022 at IC103 not 40012; power is two 5mm DC connections not DIN-5; the 300-series caps are NOT absent on the 664. Added Amstrad's VR201 spindle-speed adjustment and mechanism procedures. Unverified data cleared. undo

21 September 2026

• curprev 21:4921:49, 21 September 2026 Josh talk contribs 12,785 bytes +20 Verification drive: flag unverified component data pending check against a primary source undo

21 May 2026

• curprev 17:3017:30, 21 May 2026 Josh talk contribs 12,765 bytes +12,765 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