ā A-18 ā
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
Appendix 4: How to Replace ESB Driver Unit
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
5. Reset the extension board of the new ESB Driver Unit, and assemble the absolute
sensor board of the old Driver Unit to the new one.
l The A3, B3, 13, and 23 type Driver Units do not have the extension board.
l 13, 15, 23, and 25 type Driver Units do not have the absolute sensor board.
Figure A-21: How to install the circuit board.
Extension board
CB board
Absolute sensor board
PA board
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