Mira tapped the faded label on the prototype board: ZD95GF . The lead engineer had quit three years ago, taking the design files with him. All that remained was a blurry photo and a note in the margin: “Schematic best — do not lose.”

: Capacitors for current filtering and voltage stabilization.

This board is often listed under multiple equivalent or cross-referenced part numbers. When searching for a schematic or a replacement, verify these codes: VC755023 Alternate Numbers: V98472 , FTHD27 , and CQC08001022336 .