Alesis IO/2 Service Manual page 41

UB0MNE - Main PCB Rev E
RevChange Document
Suggested
SCH PCB CAM DATE
by:
x x SOP 12/2/2005
x x SOP 12/2/2005
SOP 12/2/2005
x x JK 3/10/2006
Last Revised:
3/13/2006
Performed
DATE
by:
JK 3/13/2006 Change all text from Rev D to E
JK 3/13/2006 update all Part Types
Review/Integrate all outstanding ECNs
Note: ***A new solderpaste stencil IS NOT required***
Correct implementation of input protection diodes and 100 -
JK 3/13/2006 Ohm series resistors.
Description of change:
TOP LEVEL CHANGES
SCHEMATIC CHANGES
PCB CHANGES
Reason for change:
SOP
SOP
SOP
No components were changed or moved.
The current implementation does not provide much protection, if
any at all.