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A/V connector

Av pinout.png

Note: Some home consoles revisions appear to only provide composite video, no separate sync signal.


Joypad ports

Special, deep DA-15 connectors with a plastic shield. 10 direct inputs, 3 outputs, 2 power lines.

Inputs are pulled high to +5V by CRE401 R-C arrays.

Outputs are open collector through 22 ohms resistors (not pulled high).

Joypad pinout.png


See JAMMA connector pinout.

Memory card

See Memory card pinout.

MVS boards



Multiplayer jack

RS-485 pair + ground. Use a stereo cable only !

  • Sleeve: Ground
  • Ring: D-
  • Tip: D+


Power supply connector

Cdpow pinout.png

See power supply.

YM2610 digital audio


  1. OP0
  2. PHI
  3. SH2
  4. SH1
  5. Analog

Video and CDDA

Cd2 cn1cn3.jpg


  1. Red
  2. Green
  3. Blue
  4. Sync
  5. Burst
  6. GND


  1. LRCK
  2. DATA
  3. BCLK

CD drive

Cd2 cn4.jpg See CD drive.

PCB power

Cd2 cn5.jpg

  1. Purple: 5V CD
  2. Yellow: 10V CD
  3. Red: 5V logic
  4. Black: Ground