Hardware manual

Hardware manual 2017-05-19T10:05:50+00:00

hardware manual board

Outputs

Speakers outputs

speakers_outputs

5 different connectors are used for connecting speakers, exactly like the original boards.

Headphone output

headphone_jack

The headphone output is a standard 3.5mm stereo jack connector with 4 rings.

Auto mute

The headphone socket has a plug detection capability, so cabinet and backbox speakers are mute on plug. This beaviour can be disable with the SW2, “Headphone auto-mute spk” switch.

mute_on_plug

Headphone volume: the volume is adjustable by using the game’s volume control and you can balance between speakers and headphone by using the “Volume Cab” and “Volume B.Box”  control.

Audio

Equaliser

Speaker audio output response can be fully customized thanks to the integrated equalisers.

You can follow the recommended tone and volume settings.

Mono/Stereo

This switch let you output a mono signal to the speakers (headphones stay stereo), it’s usefull for mono wired machines such as:

  • SYSTEM 11
  • WPC-89
  • WPC-DCS
  • WPC-95

For such machine, simply set the switch to “mono”.

mono_stereo

Of course you can easily rewire your machine to stereo 2.1 to enjoy full stereo.

Led status

5 volts logic

To power the logic and system, comes from the 5VDC from the machine.

led_5V

3V3 logic

To power the logic and system, comes from the 5VDC from the machine.

led_3V3

12-18 volts power

To power amplifiers, comes from the 12VDC or 14-18VAC from the machine.

led_12_18V

10 volts power

To power preamplifiers and equalisers, regulated from the 12-18 volts

led_10V

5 volts analog

To power headphone, from the 10 volts.

led_5VA

Logic Running

Is steady on startup, once the system is communicating with the CPU, it blinks 2 times per sec from startup, and flash when data is received from the bus.

running

System Running

Steady during boot, then blink 1 times per sec when system is running.

system

Fuses

Logic and Amplifiers

There are two fuses, 5x20mm standard cartridge:

  • 500mA fast blow for the logic part
  • 3A slow blow for the amplifier part

fuses