Kurzweil CUP2 Service Manual page 84

CUP2 Service Manual
Index
E
Engine Board
cables 4-4
diagram 4-4
function description 2-1
removing 4-4
replacing 4-5
Entering Diagnostic Tests 3-2
Entering the Boot Loader 3-1, 5-2
H
Hard Reset 5-2
I
Interconnect Diagram 5-7
Interface Board
cables 4-6
connecting 4-8
diagram 4-5
disconnecting 4-5
function description 2-5
removing 4-7
replacing 4-7
Internal Flash: diagnostic test 3-3
K
Keyboard Assembly
removing 4-15
replacing 4-16
Keyboard Contact Boards
Bass 4-19
connecting 4-20
servicing 4-19
Treble 4-20
Keyboard Contact Strips
removing 4-20
replacing 4-21
Keyboard Problems: troubleshooting 5-5, 5-6
Keys
diagram natural keys 4-17
diagram sharp keys 4-17
removing 4-18
replacing 4-18, 4-19
Kurzweil Contacts v
M
MARA Delay RAM: diagnostic test 3-4
MARA Sound ROM: diagnostic test 3-4
MARA Validity: diagnostic test 3-3
MIDI UART: diagnostic test 3-3
ii
P
Printed Circuit Board Descriptions
Audio PCB 2-9
Control Panel PCB 2-12
Engine PCB 2-1
Interface PCB 2-5
Power Problems: troubleshooting 5-4
R
Rear Panel
diagram 1-4, 4-7
features 1-4
Resets, Hard 5-2
S
Scanner DIAG: diagnostic test 3-5
SDRAM Refresh: diagnostic test 3-3
Software Updates 5-3
Speakers
tweeters 4-10
woofers 4-11
System Reset 5-2
T
Transformer 4-10
Troubleshooting
Audio 5-4
Control Panel 5-5
Keyboard 5-5, 5-6
Power 5-4
Tweeters 4-10
W
Woofer 4-11