Kurzweil K2000 Service Manual page 43

Section 3
KURZASSM.OOC 12122192
3.2.5
3.2.5.1
3.2.6
3.2.6.1
3.2.6.2
3.2.6.3
3.2.6.4
3.2.6.5
3.2.7
3.2.7.1
3.2.7.2
3.2.7.3
3.2.7.4
3.2.8
3.2.8.1
3.2.8.2
3.2.8.3
3.2.8.4
3.2.8.5
3.2.9
3.2.9.1
3.2.9.2
AUD/PWR BOARD REMOVAL
Removal of this board is the same as 3.2.4.1 above except there
are ten (10) machine screws securing the connector panel to the
metal chassis.
SLIDER BOARD REMOVAL
Before removing bottom of shell, remove slider knobs.
Remove bottom of shell as per 3.1.2 above.
Remove ENGINE - AUD/PWR unit as per 3.2.2 above.
Using figure 1 for reference, locate the slider board between the
Front panel and disk drive. Remove the single self-tapping screw
and the board is free.
Reverse 3.2.6.4 for reassembly.
LCD REMOVAL
Remove bottom of shell as per 3.1.2 above.
Remove ENGINE - AUD/PWR unit as per 3.2.2 above.
The LCD board is surrounded by the Front Panel board. Remove the
four (4) self-tapping screws securing the LCD and lift the board
free.
Reverse 3.2.7.3 to reinstall.
FRONT PANEL REMOVAL
Before removing the bottom half of the shell, remove the round
knob on the Front Panel. Also removing the retaining nut and
washer under this knob.
Remove bottom of shell as per 3.1.2 above.
Remove ENGINE - AUD/PWR unit as per 3.2.2 above.
Remove the nine (9) self-tapping screws securing the Front Panel
and carefully lift panel from instrument. NOTE: This board can
be easily damaged by careless handling. BE CERTAIN TO USE CAUTION
WHEN HANDLING THIS BOARD.
Reverse 3.2.8.4 above to reinstall the Front Panel board. Be
certain to remember to use the ninth screw to secure the bracket
(used for clamping the cables) in the center front of the panel.
POWER TRANSFORMER AND POWER RECEPTACLE REMOVAL
Remove bottom of shell as per 3.1.2 above.
Note that the Power Transformer and Power Receptacle are hard-
wired as a unit. The harness from the secondaries of the
transformer are routed to J20 on the AUD/PWR board; thus, can be
easily removed from the instrument.
3