Section E - Replacing The Rack Transformer; Replacing The Rack Oex-6 Board - ENSONIQ EPS 16 Plus Service Manual

Replacing EPS-16 PLUS Modules (RACK ONLY)
SECTION
E
Removing
1.
2.
3.
4.
Installing
5.
6.
7.
SECTION
Replacing the Rack Transformer
Remove
all
cables connected to the EPS-16 PLUS Rack, including the power
cord. .
Remove the lid (see Section A).
Disconnect the transformer cables to the power supply, line filter, and power
switch.
Remove the four screws and flat washers that hold the Transfonner in place.
Insert the new Transformer and attach it to the base using the four screws and flat
washers.
Reattach the cables to the power supply, line filter, and power switch.
Power up, test the unit, and reattach the lid (see Section A).
F
Replacing the
Rack OEX-6 Board
Removing 1. Remove
all
cables connected to the EPS-16 PLUS Rack, including the power
cord.
2. Remove the lid (see Section A).
3. Disconnect the ribbon cable from the OEX-6 board.
4. Remove the six (6) 15mmnutsfrom the rear panel jacks marked
Bus3lRight,
Bus3ILejt, Bus2lRight, Bus21Left, AuxllRight, andAuxllLeft.
5. Pop the OEX-6 board from the two white standoffs by squeezing the standoffs.
6. Remove the OEX-6 board from the unit.
Installing 7. With the new OEX -6 board tilted on a slight angle, insert the jacks into the holes
in
the rear panel and snap the board onto the standoffs.
8. Reconnect the ribbon cable from the main board making sure that the striped side
is on pin
1.
9. Secure the jacks with the nuts.
10. Power up, test the unit, and reattach the
lid
(see Section A).
page 40 EPS-J6 PLUS Service Manual