Sony UP55MD, Руководство по обслуживанию

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1-12
UP-55MD
W3.0
W3.0
Pick-up gear
Bearing (850)
Helical
extension
spring
Helical extension
spring
BVTT
2.6
x
5
Pick-up arm (L) subassembly
Pick-up arm (R)
subassembly
Bearing
(850)
Tray rail (L)
Tray rail (R)
A
B
Pick-up roller
Main chassis
Paper feed guide assembly
Harness
BVTT
2.6
x
5
Portions A
Portions B
1-5-6. Paper Feed Guide Assembly
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When removing the paper feed guide assembly, be careful
not to damage the harness.
1. Remove the top cover. (Refer to Section 1-3-1.)
2. Remove the front panel assembly.
(Refer to Section 1-3-2.)
3. Remove the MA-142 board. (Refer to Section 1-4-1.)
4. Remove the mechanical main unit assembly.
(Refer to Section 1-5-2.)
5. Remove the MEC-24 board. (Refer to Section 1-4-2.)
6. Remove the stepping motor. (Refer to Section 1-5-3.)
7. Remove the ribbon drive assembly.
(Refer to Section 1-5-4.)
8. Remove the center stay assembly.
(Refer to Section 1-5-5.)
9. Remove the retaining ring, then remove the pick-up
gear and bearing (850).
10. Remove the retaining ring, then remove the bearing
(850).
11. Remove the two helical extension springs from the
pick-up arm (L) subassembly and pick-up arm (R)
subassembly.
12. Remove the two screws, then remove the tray rail (L)
and tray rail (R).
13. Remove the pick-up roller in the directions shown by
the arrows A and B.
14. Remove the two screws, then remove the paper feed
guide assembly.
15. Attach the paper feed guide assembly in the reverse
order of steps 1 to 14.
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When attaching the paper feed guide assembly, be sure
to securely insert the portions A of the paper feed
guide assembly into the portions B of the main chassis.