Removal and Installation Procedures
6-62
TDS 420A, TDS 430A & TDS 460A Service Manual
c. Lift the power-supply mount out of the chassis to complete the removal.
When reinstalling the power-supply mount, be sure to press it flush
against the chassis before sliding it towards the bottom of the chassis
to lock.
6. Reinstallation:
a. If the power supply mount was removed, do the following subparts:
H Do in reverse order substeps 5a--5c, reversing the removal instruc-
tions in each substep to reinstall the assembly.
H See A02 Display Assembly, on page 6--47, to reinstall that assembly.
H See A09 DSP Assembly, on page 6--48, to reinstall that assembly.
H See A03 CPU Assembly, on page 6--45, to reinstall that assembly.
H See A08 Jumper Board Assembly, D1 Bus, and Board Supports on
page 6--44 to reinstall the board supports and D1 bus only.
b. Perform in reverse order substeps 4a-4j, reversing the removal instruc-
tions in each substep to reinstall the assembly. Be sure to seat the board
until all of the four flex locks ar e locked.
c. See the following procedures to replace the modules removed by the
access procedure.
H Front Cover, Rear Cover, Cabinet, Rear EMI Gasket, and Cabinet
Handle and Feet (page 6--27) to reinstall the cabinet and rear cover.
H Line Fuse and Line Cord (page 6 --26) to reinstall the line cord,
which completes the oscilloscope reassembly.
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