Specifications

SQ: 5-8
RS3: Service Quick Reference Guide
Consoles
Keyboard Electronics Board 1984--2871--000x......................
1984--1970--000x..................................................
Keyboard Electronics Board Parts Replacement
Item
Part No. Replaces Characteristics
Keyboard
Electronics board
1984--2871--000x 1984--1970--000x
Completely
interchangeable
Keyboard
Electronics board
1984--1970--000x 1984--2871--000x
Completely
interchangeable
Keyboard Electronics Board Jumper Positions
Usage
HD1
(J1)
HD2
(J2)
HD3
(J3)
HD4
(J4)
Main Keyboard 1-2 1-2 2-3 2-3
Option Keyboard 1 1--2 1--2 1--2 2--3
Option Keyboard 2 1--2 1--2 2--3 1--2
Option Keyboard 3 1--2 1--2 1--2 1--2