/* Imported from Wayback Machine
   Original URL : https://retrobrewcomputers.org/doku.php?id=builderpages:plasmo:k80:pic_assembly_guide
   Snapshot date: 2023-05-28
   Generator    : wayback-archiver
*/

====== Pictorial Assembly Guide of K80 ======

The order of assembly is based on the height of the components, the lowest components are soldered down first and the tallest last.

Bare PC board, component side

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=c20d9d&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/k80/pic_assembly_guide/k80_bare_pcb_comp.jpg|{{https://retrobrewcomputers.org/lib/exe/fetch.php?w=500&h=480&tok=2bebef&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fk80%2Fpic_assembly_guide%2Fk80_bare_pcb_comp.jpg?500x480|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_k80_pic_assembly_guide_k80_bare_pcb_comp.jpg}}]]

Bare board, solder side

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=fa67cf&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/k80/pic_assembly_guide/k80_bare_pcb_solder.jpg|{{https://retrobrewcomputers.org/lib/exe/fetch.php?w=500&h=510&tok=c29472&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fk80%2Fpic_assembly_guide%2Fk80_bare_pcb_solder.jpg?500x510|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_k80_pic_assembly_guide_k80_bare_pcb_solder.jpg}}]]

Install the resistors first; the resistors are all 4.7K except R3 (indicated by a red arrow) which is 2.7K.

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=86b80b&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/k80/pic_assembly_guide/k80_resistor_comp.jpg|{{https://retrobrewcomputers.org/lib/exe/fetch.php?w=500&h=474&tok=939830&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fk80%2Fpic_assembly_guide%2Fk80_resistor_comp.jpg?500x474|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_k80_pic_assembly_guide_k80_resistor_comp.jpg}}]]

Install capacitors next; capacitor values are all 0.1uF except C12 and C13 (indicated by red arrows) which are 33pF.

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=481cbc&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/k80/pic_assembly_guide/k80_res_cap_comp.jpg|{{https://retrobrewcomputers.org/lib/exe/fetch.php?w=500&h=498&tok=a44bce&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fk80%2Fpic_assembly_guide%2Fk80_res_cap_comp.jpg?500x498|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_k80_pic_assembly_guide_k80_res_cap_comp.jpg}}]]

Install IC sockets.

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=d96b7d&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/k80/pic_assembly_guide/k80_ic_sockets_res_cap_solder.jpg|{{https://retrobrewcomputers.org/lib/exe/fetch.php?w=500&h=503&tok=d22b87&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fk80%2Fpic_assembly_guide%2Fk80_ic_sockets_res_cap_solder.jpg?500x503|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_k80_pic_assembly_guide_k80_ic_sockets_res_cap_solder.jpg}}]]

Install PLCC sockets, observe the orientation of the sockets as indicated by the red arrows.

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=1f3096&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/k80/pic_assembly_guide/k80_plcc_ic_socket_res_cap.jpg|{{https://retrobrewcomputers.org/lib/exe/fetch.php?w=500&h=507&tok=95d365&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fk80%2Fpic_assembly_guide%2Fk80_plcc_ic_socket_res_cap.jpg?500x507|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_k80_pic_assembly_guide_k80_plcc_ic_socket_res_cap.jpg}}]]

The completed board.

[[https://www.retrobrewcomputers.org/lib/exe/fetch.php?tok=f91d90&media=https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/builderpages/plasmo/k80/pic_assembly_guide/k80_all_assembled.jpg|{{https://retrobrewcomputers.org/lib/exe/fetch.php?w=500&h=501&tok=bba7e9&media=https%3A%2F%2Fwww.retrobrewcomputers.org%2Flib%2Fplugins%2Fckgedit%2Ffckeditor%2Fuserfiles%2Fimage%2Fbuilderpages%2Fplasmo%2Fk80%2Fpic_assembly_guide%2Fk80_all_assembled.jpg?500x501|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_k80_pic_assembly_guide_k80_all_assembled.jpg}}]]