# GQ863 PWB(B2)

* aka "Twinkle sub-IO board"
* Sub-IO board that interconnects several pieces of hardware and is driven by the main IO board in a twinkle PCB unit or by a [C02 IO board](../GEC02/pwb-aa.md)
* Part number: 0000057038
* Shipped with [GQ863-JA](../../product/GQ863-JA.md) cabinets
* Located behind the effector panel on the left-hand side
* Connections
  * CN2: To the main PCB (twinkle) unit or [C02 IO board](../GEC02/pwb-aa.md) using a RJ45 cable
  * CN1: To the [top unit light IO board](pwb-f1.md) using a RJ45 cable
  * CN10: To the [16 segment PCB](pwb-c4.md) using a break-out connector
  * CN12: To the test and service switches
  * CN8: To +12V power
  * CN3: To buttons P1 start, P2 start, effect, VEFX
  * CN11: To faders
  * CN4: Turntable left (P1)
  * CN5: Turntable right (P2)
* Images
  * [PCB top](https://github.com/Shizmob/arcade-docs-media/blob/main/konami/GQ863/PWB(B2)/top.jpeg)
  * [PCB bottom](https://github.com/Shizmob/arcade-docs-media/blob/main/konami/GQ863/PWB(B2)/bottom.jpeg)