Commodore P500 Keyboard Schematic --------------------------------- Connector mates with P10 on main PCB Keys starting with 'n' are on the number pad. Both shifts and shift lock in parallel at one point in matrix. 1 2 3 4 5 6 U U U U U U | | | | | | | | | | | | 14)----(F1)------(ESC)-----(TAB)-------)------(SHIFT)---(CTRL)-- | | | | | | | | | | | | 13)----(F2)-------(1)-------(Q)-------(A)-------(Z)--------)---- | | | | | | | | | | | | 12)----(F3)-------(2)-------(W)-------(S)-------(X)-------(C)--- | | | | | | | | | | | | 11)----(F4)-------(3)-------(E)-------(D)-------(F)-------(V)--- | | | | | | | | | | | | 10)----(F5)-------(4)-------(R)-------(T)-------(G)-------(B)--- | | | | | | | | | | | | 9)----(F6)-------(5)-------(6)-------(Y)-------(H)-------(N)--- | | | | | | | | | | | | 8)----(F7)-------(7)-------(U)-------(J)-------(M)-----(space)- | | | | | | | | | | | | 7)----(F8)-------(8)-------(I)-------(K)-------(,)-------(.)--- | | | | | | | | | | | | 23)----(F9)-------(9)-------(O)-------(L)-------(;)-------(/)--- | | | | | | | | | | | | 21)----(F10)------(0)-------(-)-------(P)-------([)-------(')--- | | | | | | | | | | | | 20)---(down)------(=)------(bsp)------(])----(RETURN)----(pi)--- | | | | | | | | | | | | 19)----(up)-----(left)----(right)----(DEL)-----(C=)--------)---- | | | | | | | | | | | | 18)---(HOME)-----(n?)------(n7)------(n4)------(n1)------(n0)--- | | | | | | | | | | | | 17)----(RVS)-----(nCE)-----(n8)------(n5)------(n2)------(n.)--- | | | | | | | | | | | | 16)---(GRAPH)----(n*)------(n9)------(n6)------(n3)------(n00)-- | | | | | | | | | | | | 15)---(STOP)-----(n/)------(n-)------(n+)-----(ENTER)------)---- Actual Labels for non-standard keys : CLR OFF NORM RUN INS HOME = HOME RVS = RVS GRAPH = GRAPH STOP = STOP DEL = DEL