Radio Shack TRS-80 PT-210 Service Manual page 48

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How to Dismount the Power Unit
1. In order to dismount the Power Unit, first dismount the printer unit from the base cover unit.
2. Disconnect the fan motor lead wires from terminal
0.
3. Disconnect connector@ from the Control Unit,
4. If an optional board is located, remove
it
from its guides and connector.
5. Remove the four screws
(2)
retaining the Power unit@.
6. Disengage the Power Unit
(5)
from catches
(3}
and
(4).
The Power Unit
CS)
is then free and can be
removed when
it
is gently lifted upward.
The Base Cover Unit
The Base Cover Unit is the base unit to which all units except the Upper Cover Unit are mounted. It is
equipped with catches for attaching these units. Only the Cover Unit is left when all of these units are
dismounted from
it.

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