Removing
Installing
SECTION
Replacing
EPS-16
PLUS
Modules (KEYBOARD ONLY)
Replacing the Main Board
1. Remove all cables connected to the
EPS-16
PLUS, including the
Power
cord.
2. Remove the four
(4) screws that fasten the control panel with a
2.5mm
hex
wrench and raise the control panel.
NOTE: These
are
machine screws.
3. Remove the Keyboard (see Section
C).
Note that you should
remove
the 20-pin
ribbon cable from the Main Board (at J12) instead
of
from the Keyboard.
4. Disconnect all cables from the Main Board:
a. Push-on ground wire (located between the
:MIDI
Thru and
MIDI
Out jacks)
b.
J4-DISK, 34-pin ribbon cable .
c.
HI-POWER,
9-wire cable
d.
J13-WHEELS,
e. J15-DISPLA
Y,
f. J2-NON-VOLATTI...E :MEMORY and/or J3-AUXEXPANSION
(if
present)
5. Remove the six (6)
15mm
nuts from the rear panel jacks marked
Ft.
Sw.,
PedaleCV, Left/Mono, Right/Mono, Audio In and Phones.
6.
Remove the eight (8) self-tapping screws and
one
ground machine screw with
star washer that attach the Main Board to the case and remove the
board
7. With the board tilted
on
a slight angle, insert the jacks into the holes in
the
rear
panel. Press the board down and into place.
8. Replace the Main
Board
screws and secure the jacks with the nuts.
9.
Reconnect the cables. Reinstall the Keyboard (see Section C).
10. Power up, test the unit, and close the control panel.
B Replacing the Keypad/Display Board
Removing 1. Remove all cables connected
to
the
EPS-16
PLUS, Including the
Power
cord.
2.
Remove the Volume and the
Data
Entry knobs. Remove the four
(4)
screws
that
fasten the control
panel
with a 2.5mm hex wrench and raise the
panel
NOTE:
These are machine .screws.
3. Remove the six-wire cable from the left side and seven-wire cable from
the
right
side
of
the Keypad/Display board. Note that these cables
are
keyed.
IMPORT
ANT!
The
individual colored buttons
are
held in place only by the Keypad/Display
board underlay. Make sure the control panel is open
all the way
to
prevent the
buttons from falling
out
when the board is
removed
If
they do
fall
out, see
Figure 13 for button color placement.
Installing
4..
Remove the fomteen (14) screws that hold the KeypadlDisplay in
place
and
carefully remove the Keypad/Display. Remove the cardboard insulator that
covers the bottom
of
the Keypad/Display board.
5.
To
reassemble, first
make
sure that the underlay and all the buttons are in place
and that the lens
is
clean and in its proper position.
6. Install the new KeypadlDisplay board with the cardboard insulator using
the
fourteen (14) screws. Reconnect the two cables paying particular attention to
the
polarity. Reinstall the knobs
on
the Data Entry and Volume sliders.
7.
Power
up, test the unit, and close the control panel.
EPS-16
PLUS Service Manual
page
29
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