Star Micronics SP500 Series, Technical Manual

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8. Main Logic Board Unit
(1) Turn off the power switch, disconnect the power cord
from the wall outlet.
(2) Remove the printer mechanism according to the
procedure described in item 2.
Caution:
Handle the FEED switch 5 carefully as described in the
cautions of item 1.
(3) Remove
•
Two screws
1
•
Two screws
2
•
Mechanism base
3
•
Four screws
4
•
Flat cable
6
•
Connector
7
•
Main logic board
8
Caution in reassembly:
Set the mechanism base
3
on the main chassis
A
so
that the two bosses
0
of the main shassis enter the two
holes
9
of the mechanism base.
9. Power Supply Board Unit
(1) Turn off the power switch, disconnect the power cord
from the wall outlet.
(2) Remove the main logic board unit according to the
procedure described in item 8.
(3) Remove
•
Three screws
1
•
Main chassis
2
•
Screw
3
•
Two screws
4
•
Five screws
5
•
Two TR chips
6
•
Power supply board unit
7
Caution in reassembly:
Insert two hooks
8
of the power schassis
9
into the
two square holes
0
of the main chassis.
1
9
1
2
3
4
9
7
0
0
4
8
4
4
A
6
5
1
5
5
7
5
6
5
9
0
0
5
4
3
4
1
2
1
8
8