Contents

Technical Documentation - FTL Sound Adapter Schematic

The FTL Sound Adapter was supplied with some PC versions of Dungeon Master.
jpx72 has analyzed the adapter in order to build his own. This page contains the technical information you need if you want to build your own adapter.

Documents

Photos
FTL Sound Adapter - Printed Circuit - Front FTL Sound Adapter - Printed Circuit - Back
[Supplied by Paul Stevens]
Schematics
FTL Sound Adapter - Printed Circuit With Pin Numbers FTL Sound Adapter - Schematics
[Supplied by jpx72]

Components

  • C1: Capacitor 4.7nF +/- 10% (Marking: 472K)
  • R1: Resistor 25,5 KOhms, tolerance 1%
  • RN1: Resistor Network 4610X-R2R-104. 104 means Resistance R = 10 x 10^4 = 100000 Omhs. Schematic:
    FTL Sound Adapter - Printed Circuit - Resistor Network Schematics
  • J1: DB25 male connector
  • J2: DB9 male connector
  • J3: 3.5mm jack mono connector

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