Konami Stereo Amp
Models
GQA30
GN672
There are at least 2 variations of Konami GN672 amplifiers (tbc...)
Stereo Amp
Mono Amp
GO707
There are at least 2 variations of Konami GO707 amplifiers (tbc...)
"Standalone" Amps come without a volume pot, as a lot of Konami PCBs already had an onboard amp and volume control.
Amps such as the type found in the Windy 2 cabinets, did come with a volume pot and alternate connectors, along with a whole load of different components.
Connectors and Pinouts
Of note - some CN connection numbers differ/reverse between boards
GQA30
Power - CN1 - 6 Pin JST VH
Pinout:
- 1 - N/C
- 2 - N/C
- 3 - GND
- 4 - GND
- 4 - 12V
- 6 - 12V
CN3 - Audio In - 5 Pin JST PH
Pinout:
- 1
- 2
- 3
- 4
- 5
CN3 - Audio Out - 4 Pin JST PH
.
Pinout:
- 1 - Left Speaker + (tbc)
- 2 - Left Speaker - (tbc)
- 3 - Right Speaker - (tbc)
- 4 - Right Speaker + (tbc)
GN672
Power - CN1 - 6 Pin JST VH
Pinout:
- 1 - N/C
- 2 - N/C
- 3 - GND
- 4 - GND
- 4 - 12V
- 6 - 12V
Audio - CN2 - 4 Pin JST NH
Pinout:
- 1 - Left Speaker +
- 2 - Left Speaker -
- 3 - Right Speaker -
- 4 - Right Speaker +
GO707
Power - "DC-IN" - CN2 - 6 Pin JST VH
Pinout:
- 1 - N/C
- 2 - N/C
- 3 - GND
- 4 - GND
- 4 - 12V
- 6 - 12V
Audio - "SPEAKER OUT" - CN1 - 4 Pin JST NH
Pinout:
- 1 - Left Speaker +
- 2 - Left Speaker -
- 3 - Right Speaker -
- 4 - Right Speaker +
Audio - "LINE-IN" - CN3 - 5 Pin tbc...
Pinout:
- 1
- 2
- 3
- 4
- 5