........................................................................................................................................Opening the Back Panel 4-2
..........................................................................................................................................Closing the Back Panel 4-3
........................................................................................................................................................Cabinet Electronics 4-4
.................................................................................................................................Removing the Engine Board 4-4
.................................................................................................................................Replacing the Engine Board 4-5
................................................................................................................................................The Interface Board 4-5
......................................................................................................................Disconnecting the Interface Board 4-5
..............................................................................................................................Removing the Interface Board 4-7
..............................................................................................................................Replacing the Interface Board 4-7
............................................................................................................................Connecting the Interface Board 4-8
..................................................................................................................................Removing the Audio Board 4-8
..................................................................................................................................Replacing the Audio Board 4-9
.................................................................................................................................Removing the Transformer 4-10
.................................................................................................................................Replacing the Transformer 4-10
............................................................................................................................................Removing a Tweeter 4-10
.............................................................................................................................................Replacing a Tweeter 4-10
..............................................................................................................................................Removing a Woofer 4-11
..............................................................................................................................................Replacing a Woofer 4-11
........................................................................................................................................................Control Assembly 4-12
......................................................................................................................Removing the Control Assembly 4-12
.......................................................................................................................Replacing the Control Assembly 4-12
...................................................................................................................Removing the Control Panel Board 4-13
...................................................................................................................Replacing the Control Panel Board 4-14
....................................................................................................................................................Keyboard Assembly 4-15
..................................................................................................................Removing the Keyboard Assembly 4-15
....................................................................................................................................Inside the back panel 4-15
.......................................................................................................................................Outside the cabinet 4-16
...................................................................................................................Replacing the Keyboard Assembly 4-16
.......................................................................................................................................Outside the cabinet 4-16
....................................................................................................................................Inside the back panel 4-16
....................................................................................................................................................Removing Keys 4-17
.............................................................................................................................................Natural/White Key 4-17
........................................................................................................................Removing Natural/White Keys 4-18
.............................................................................................................................Removing Sharp/Black Keys 4-18
........................................................................................................................................Replacing a Sharp Key 4-18
........................................................................................................................Replacing a Natural/White Key 4-19
...........................................................................................................Servicing the Keyboard Contact Boards 4-19
..........................................................................................................Removing the Treble Contact Board 4-19
...........................................................................................................Replacing the Treble Contact Board 4-19
.............................................................................................................Removing the Bass Contact Board 4-20
..............................................................................................................Replacing the Bass Contact Board 4-20
.......................................................................................................Connecting the Keyboard Contact Boards 4-20
...........................................................................................................Removing the Keyboard Contact Strips 4-20
............................................................................................................Replacing the Keyboard Contact Strips 4-21
CUP2 Service Manual
Table of Contents
vii
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