CONDITION: Pulled from a working Yamaha DGX-640 with a GHL88 88-key action. Board is clean, no burnt components, cracks, or repairs. Rubber contact strip is still soft and seated correctly. Ribbon cable and connector are intact. Expect normal light wear from prior use and handling. Shipped within one day of payment. ? DESCRIPTION: OEM Yamaha GHL88 right-side key contact board removed from a DGX-640 digital piano. This is the treble-end contact PCB that reads the key presses for the highest notes. It includes: ? Factory GHL88 contact PCB (marked GHL88 / X6246 ?D? board) ? Original grey rubber contact strip installed on the board ? Attached ribbon cable, ready to plug into the main scan harness Ideal if you have a DGX-640 (or other GHL88-equipped model) with dead / intermittent high keys due to worn or contaminated contacts. Swap your failed board with this one and re-use your existing keybed and chassis. Board will be packed in an anti-static bag with plenty of padding to protect the contacts and components in transit. ? SHIPPING SELLER INFO: Ships fast ? 1-business-day handling. 30-day returns, USA seller. ? SEARCH KEYWORDS: Yamaha DGX-640 contact board right side GHL88 88-key keyboard sensor PCB rubber key contacts treble end digital piano repair part