Storage Board; Power Supply Board - Tektronix 2212 Service Manual

Removal and Installation Procedures
Storage Board
The storage board can be removed and reinstalled as follows:
Step
1.
Remove the cabinet as described in the "Cabinet" procedure.
Step
2.
Disconnect four flat cables (five or six cables for instruments with
Option 10 and/or
12
installed).
Step 3. Remove three screws from the right side of the board.
Step
4.
Remove two screws from the PARALLEL I/O PORT connector.
Step 5. Move the board forward and slightly to the right. Raise the left
side of the board and take it out of the chassis.
Step 6 . To operate the instrument with the storage board in removed
position, the board can be placed on top of the instrument by
placing it in two retainers. First, place the retainers in the slots at
the top edge of the central chassis. Connect the three flat cables
from the main board and the front-panel board. Replace the flat
cable from the power supply board with a longer type.
Step
7.
To reinstall the storage board reverse the above procedure, being
carefully checking the orientation of the cables. Make sure to
fasten first the parallel i/o connector, before fastening the board
holding screws.
Power Supply Board
The power supply board can be removed and reinstalled as follows:
Step
1.
Remove the cabinet as described in the "Cabinet" procedure.
Step 2. Remove the storage board as described in the "Storage Board"
procedure.
Step 3. Disconnect the flat cable
(4
leads) at the left side of the power
supply board from the connector at the rear of the main board and
pull it through the hole in the main chassis.
Step
4.
Disconnect the high voltage cable
(4
leads) at the left side of the
power supply board from the connector and pull it through the
hole in the chassis to the left side of the central chassis.
Step
5.
Disconnect the transformer cable
(7
leads) at the rear of the board
from the connector.
6 - 10
Maintenance