[Hardware] Hori Fighting Commander PC

[MooZ]

I just received a 6 button Pad, the Hori Commader PC.


And here are the back and front view of the circuit board.



"Full" resolution images:

• back
• top

Part list:

• R1,R2,R3,R4: 330 Ω
• R5,R6,R7,R8,R9,R10,R11,R12,R13,R14,R15,R16,R17,R18: 47 kΩ
• C1,C2,C3,C4,C5: ?
• U1,U2,U3: HC157 (datasheet)
• U4: HC163 (datasheet)
• Q1,Q2: NEC FA1L3M (datasheet)

Next: redraw the circuit.