ENSONIQ Mirage - Module Replacement Procedures; Section A: Replacing The Power Supply; Section B: Control Button or Keypad Replacement; Section C: Replacing The Transformer

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IMPORTANT!

SECTION

IMPORTANT!

IMPORTANT!

Replacing

The

Power

Supply

1.

Remove

all

cables

connected

to

the

Mirage,

including

the

power

cable.

2.

Remove

the

five

screws

which

fasten

the

Mirage

control

panel

and

raise

the

panel.

3.

Disconnect

the

wiring

harness

from

the

power

supply.

Note

that

the

cables

have

connector

locks.

4.

The

power

supply

is

held

in

place

with

two

screws

and

nylon

shoulder

washers

through

the

back

panel

and

with

four

snap-in

standoffs

through

the

circuit

board.

Remove

the

screws

and

shoulder

washers

from

the

back

panel

and

unsnap

the

circuit

board

from

the

standoffs

by

pulling

straight

up.

5.

To

replace

the

power

supply,

first

make

sure

that

the

insulator

pad

is

in

place,

then

snap

the

new

unit

onto

the

standoffs,

making

sure

that

they

are

fully

seated.

Fasten

the

unit

with

the

two

screws

and

shoulder

washers

through

the

rear

panel,

making

sure

the

screws

pass

through

the

holes

in

the

heat

sink

insulator.

Carefully

re-connect

the

wiring

harness,

paying

particular

attention

to

the

proper

alignment

of

the

pins

and

connectors.

6.

Close

the

control

panel

and

test

the

unit.

Control

Button

or

Keypad

Replacement

Keypad

and

display

related

problems

will

require

the

replacement

of

the

keypad

circuit

board.

Individual

buttons

may

be

replaced.

When

disassembling

the

keypad,

note

that

the

buttons

are

held

in

place

and

separated

from

the

keypad

circuit

board

by

an

insulation

panel.

1.

Remove

all

cables

connected

to

the

Mirage,

including

the

power

cable.

2.

Remove

the

volume

knob

and

the

five

screws

which

fasten

the

control

panel

and

raise

the

panel.

3.

The

individual

buttons

are

held

in

place

only

by

the

keypad

circuit

board.

To

prevent

them

from

falling

out

when

the

board

is

removed,

open

the

control

panel

all

the

way

and

tilt

the

unit

back

by

placing

a

3”

block

under

the

front

edge.

4.

Remove

the

six

screws

and

lockwashers

holding

the

keypad

circuit

board.

Unplug

the

connector,

noting

its

orientation.

5.

To

reassemble,

first

make

sure

that

all

the

buttons

are

in

place

and

then

cover

them

with

the

insulator.

Make

sure

that

the

display

and

lens

are

clean.

6.

Connect

the

cable

to

the

keypad

circuit

board,

making

sure

that

the

cable

is

not

twisted

or

pinched

and

install

the

board

using

the

six

screws

and

lockwashers.

7.

Close

the

control

panel,

replace

the

volume

knob

and

test

the

unit.

Replacing

The

Transformer

At

the

factory,

the

Mirage

transformer

is

rivetted

into

place.

Replacing

the

transformer

will

require

drilling

out

the

four

rivets

and

installing

the

replacement

transformer

with

the

screws

and

nuts

provided.

1.

Unplug

all

cords

from

the

unit,

including

the

power

cord

and

remove

the

five

screws

which

fasten

the

control

panel

and

raise

the

panel.

2.

Disconnect

the

transformer

cables

from

the

power

supply,

fuse

and

line

filter,

noting

the

polarity.

3.

Tilt

the

unit

up

on

its

back

to

expose

the

four

rivet

heads

on

the

bottom

of

the

case.

4.

Tape

or

otherwise

support

the

transformer

from

the

inside

to

prevent

it

from

dropping

when

the

last

rivet

is

drilled.

Using

a

3/16”

drill,

carefully

drill

the

four

rivets

until

the

heads

fall

off.

5.

Install

the

new

transformer

using

the

four

screws

and

nuts

supplied,

making

sure

to

use

the

lock

washers

on

the

inside.

Fasten

securely.

6.

Connect

the

transformer

cables.

7.

Close

the

control

panel

and

test

the

unit.

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