ENSONIQ EPS-16 PLUS Service Manual

Tableo! Contents
EPS-16 PLUS Hardware Notes:
EPS-16 PLUS Keyboard and Rack . . . . . . . . .
Figure 10 - Trace cut for Rev A, B, or C Main Boards
Keyboard Only . . . . . . . . . . . .
Rack Only .............. .
Figure 11 - Hardware Notes for the Rack .
Error Messages
. . . . . . . .'. . . . . .
Software Notes:
Checking the Software Version
Bootup ROM Changes . . . .
O.S. Disk Version 1.10 Changes
EPS-16 PLUS Keyboard Only Section ...
Figure 12 - EPS-16 PLUS Keyboard. Exploded View
Section A - Replacing the EPS-16 PLUS Main Board . . . .
Section B - Replacing the EPS-16 PLUS Keypad/Display Board.
Figure
13 - EPS-16 PLUS Button Colors . . . . . . . . .
Section C - Replacing the EPS-16 PLUS Keyboard . . . . .
Figure 14 - Bottom of Case ............. .
Section D - Replacing the EPS-16 PLUS Power Supply Board.
Section E - Replacing the EPS-16 PLUS Transformer . . . . . .
Section F - Replacing the EPS-16 PLUS PitchIMod Wheel Assembly
Section G - Replacing the EPS-16 PLUS Line Filter .
Section H - Replacing the EPS-16 PLUS Disk Drive.
EPS-16 PLUS Rack Only Section ...... .
Figure 16 - EPS-16 PLUS Rack Exploded View ..
Section A - Replacing the Rack Main Board . . . .
Section B Replacing the Rack Keypad/Display Board.
Section C - Replacing the Rack KPC Simulator Board.
Section D - Replacing the Rack Power Supply Board
Section E - Replacing the Rack Transformer . . . .
Section F - Replacing the Rack OEX-6 Board . . .
Section G - Replacing the Rack Line Filter. . . . .
Section H - Replacing the Rack Disk Drive. . ... . .
Section J - Replacing the Rack Memory Expander Board . .
Drawings
Figure 1 - Scribe . . . • . . . . . . . .
Figure 2 - Communications Path . . . . . . . . . . .
Figure 3- AC Line Voltage Check Points. . .
Figure 4 -
Power Supply Voltage Check Points . . . .
Figure 5 - Incorrect
Power Supply Voltages (flow chart) .
Figure 6 - Footswitch problem (flow chart) . . . .
Figure 7 -
No LEOs Lit (flow chart) . . . . . . .
Figure 8 - Some LEDs Lit (flow chart) . . . . . .
Figure 9 - All LEDs Lit, No Display (flow chart) . .
Figure 10 - Trace cut for Rev A, B, or C Main Boards
Figure 11 - Hardware Notes for the Rack only.. . . . . . . . .
Figure 12- EPS-16 PLUS Keyboard Exploded View
Figure 13 - EPS-16 PLUS Button Colors . . . . . . . .
Figure 14 - Bottom of Case ........... ... .
Hgure 16 - EPS-16 PLUS Rack Exploded View ..
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Table of Contents - 2 EPS-16 PLUS Service Manual

ENSONIQ EPS-16 PLUS Specifications

General

Brand	ENSONIQ
Model	EPS-16 PLUS
Category	Recording Equipment
Language	English