Engine Board Removal - Kurzweil K2000 Service Manual

Section
3
KURZASSM.DOC 12/22/92
Figure 3.1.2
K2000 layout detail
3.2 ENGINE OR AUDIO/ POWER BOARD REMOVAL
3.2.1
The Engine and Audio/Power boards are both attached
to
a
metal
chassis and are removed
as
a
unit using the following procedure.
To deviate from this procedure
may place either board
into danger
of damage from excess flexing;
thus, use caution and be mindful of
any risks you choose
to take. It is necessary
to remove this unit
before accessing the
LCD, Slider and Front Panel boards.
3.2.2 Disconnect
all connectors from both the ENGINE and AUD/PWR boards.
Using
a #2
Phillips screwdriver, remove twelve
(12)
self-tapping
screws securing both boards
(six for
each board)
.
Carefully lift
the assembly (consisting of both boards and the metal
chassis)
from the
unit.
At
this point either board can be removed and/or
exchanged.
3.2.3
To reassemble, reverse the procedures in 3.2.2 and 3.2.1 above.
3.2.4 ENGINE BOARD REMOVAL
3. 2.
4.1
Position metal chassis such that the boards are upside down
on
a
clean, flat surface. Locate and remove the two
(2)
machine screws
securing
the Engine board connector panel
to the chassis.
Carefully grip
the chassis and Engine
board while repositioning
right side
up.
Now
the Engine board
can be removed by gently
unplugging
it from the AUD/PWR board.
3.2. 4.2
Reassembly
is the opposite of 3.2.4.
1
above.
2