Apple Design Keyboard: Difference between revisions

Created page with "{{Infobox computer peripheral | name = AppleDesign Keyboard | image = 250px | caption = AppleDesign Keyboard M2980 with fixed ADB cable | manufacturer = Apple Computer, Inc. / NMB / Alps Electric | type = Computer keyboard | release date = 1994 | discontinued = 1998 | price = US$99 (retail) | interface = Apple Desktop Bus | compatible = All ADB-equipped Macs (System 6.0.7 or later) | dime..."
 
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{{Infobox computer peripheral
{{Infobox computer peripheral
| name        = AppleDesign Keyboard
| name        = AppleDesign Keyboard
| image        = [[File:AppleDesign_Keyboard_M2980.jpg|250px]]
| image        = [[File:AppleDesign Keyboard top.jpg|250px]]
| caption      = AppleDesign Keyboard M2980 with fixed ADB cable
| caption      = AppleDesign Keyboard M2980 with fixed ADB cable
| manufacturer = Apple Computer, Inc. / NMB / Alps Electric
| manufacturer = Apple Computer, Inc. / NMB / Alps Electric
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=== Keycap Specifications ===
=== Keycap Specifications ===
 
[[File:AppleDesign Keyboard (NMB,B) -- keystem orientation.jpg|alt=AppleDesign Keyboard Keycaps|thumb|259x259px|AppleDesign Keyboard Keycaps]]
Keycap materials and manufacturing varied significantly by production facility:
Keycap materials and manufacturing varied significantly by production facility:


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* '''Keycaps:''' Dye sublimated PBT (highly desirable)
* '''Keycaps:''' Dye sublimated PBT (highly desirable)
* '''Build quality:''' Excellent keycap durability
* '''Build quality:''' Excellent keycap durability
[[File:AppleDesign Keyboard (Alps,WO) -- serial.jpg|alt=AppleDesign Keyboard Variant 4|thumb|222x222px|AppleDesign Keyboard Variant 4]]


=== Variant 4: China Production ===
=== Variant 4: China Production ===
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== Internal Construction ==
== Internal Construction ==
[[File:AppleDesign Keyboard (NMB,B) -- membrane assembly 4.jpg|alt=AppleDesign Keyboard Membrane Assembly|thumb|352x352px|AppleDesign Keyboard Membrane Assembly]]


=== Membrane Assembly ===
=== Membrane Assembly ===
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# Test continuity before reassembly
# Test continuity before reassembly
# Apply second coat if resistance too high
# Apply second coat if resistance too high
[[File:AppleDesign Keyboard (Alps version) rubber domes.jpg|alt=AppleDesign Keyabord Rubber Domes|thumb|299x299px|AppleDesign Keyabord Rubber Domes]]


=== Rubber Dome Replacement ===
=== Rubber Dome Replacement ===
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| Missing keys || Map matrix pattern || Bad I/O pin || Controller replacement
| Missing keys || Map matrix pattern || Bad I/O pin || Controller replacement
|}
|}
[[File:AppleDesign Keyboard (NMB version) controller board.jpg|alt=AppleDesign Keyboard (NMB) Controller Board|thumb|307x307px|AppleDesign Keyboard (NMB) Controller Board]]


=== PCB Repair Techniques ===
=== PCB Repair Techniques ===