Dragon's Lair / Space Ace / Thayer's quest
LD-V8000 Laserdisc Player Cable Assembly Instructions
Shaun Wood    May. 2026


Use these instructions to build a laserdisc-player cable for use in Dragon's Lair, Space Ace, and Thayer's Quest.
It is intended for use with these replacement laserdisc players:
Preferred: LD-V8000, LD-V4400
Acceptable: LD-V4300D, LD-V4200, CLD-V2600, CLD-V2400, LD-V2200.

You must be running your game with a ROM set designed for the LD-V8000.

Cable Pin-out:

    J1 of main board                 signal                 Pioneer 15pin interface
                    5 .........................GND........................ 11
                    17.........................Tx........................... 10
                    16.........................Rx........................... 9

Parts List Mouser Digikey
2-3 feet of 10-line ribbon cable 3365/10-CUT-LENGTH 3365/10 300
15 pin D-sub connector 171-015-103L001 G17S1510110EU
D-sub hood 156-2015-EX 40-9715H
24-pin dip plug connector 737-FDP-624-T FDP-624-T


PROCEDURE

Step-1: Split out the individual wires from the end of the 10 wire ribbon cable.


Step-2: Cut the unneeded wires, leaving wires #1(red), #6 and #8.


Step-3: Trim the insulation and tin the ends with solder...


Step-4: Solder to the 15 pin D-sub connector... pins 9, 10, 11 (red)


Step-5: Attach hood...



Now for the other end of the cable.
First.. Decide which way you want the cable to run. Either way is will work...
 

Step-6 (left): Insert ribbon into dip plug socket as shown. Set red wire on pin #5...


OR

Step-6 (right): Insert ribbon into dip plug socket as shown. Set red wire on pin #5...


Make sure all wires are properly aligned with the forks and the cable is square with the connector
GENTLY crimp with pliers. Don't try to fully crimp on the first squeeze. Press in multiple locations.
(You may want to order a few extra connectors and practice this step)

Step-7: Trim off excess ribbon...


Step-8: Admire your work, and Enjoy the Game!