Table Of Contents; Midi (Amjk 2/6) Circuit Board (X7176C0); Circuit Boards - Yamaha PORTATONE KB-280 Service Manual

KB-280

CIRCUIT BOARDS

AM (AMJK 1/6) Circuit Board (X7176C0) ............................................................................... 24
AM (AMJK 4/6) Circuit Board (X7176C0) ............................................................................... 24
AM (AMJK 5/6) Circuit Board (X7176C0) ............................................................................... 24
DMLCD Circuit Board (X7174C0) ...................................................................................... 18/19
MIDI (AMJK 2/6) Circuit Board (X7176C0) ............................................................................. 17
PB (AMJK 6/6) Circuit Board (X7176C0) ................................................................................ 22
PNL (PN 2/6) Circuit Board (X7177C0) .............................................................................. 22/23
PNL (PN 4/6) Circuit Board (X7177C0) .............................................................................. 22/23
PNR (PN 1/6) Circuit Board (X7177C0) ............................................................................. 20/21
PNR (PN 3/6) Circuit Board (X7177C0) ............................................................................. 20/21
TWL (PN 5/6,6/6) Circuit Board (X7177C0) ............................................................................ 23
TWR (PN 5/6,6/6) Circuit Board (X7177C0)............................................................................ 23
61H Circuit Board (X2335C0) .................................................................................................. 25
61L Circuit Board (X2336B0) ................................................................................................... 25
Note: See parts list for details of circuit board component parts.
MIDI (AMJK 2/6) Circuit Board
Component side
IN OUT
SUSTAIN MIDI
MIDI: 2NA-WG23590
1
17