Removal and Installation Procedures
6-72
TDS 420A, TDS 430A & TDS 460A Service Manual
k. A08 Jumper Board Assembly, D1 Bus, and Board Supports (page 6--44)
l. A03 CPU Assembly (page 6--45)
m. A02 Display Assembly (page 6--47)
n. A09 DSP Assembly (page 6--48)
o. A01 Backplane Assembly and its Mount (page 6--50)
p. Back-up Batteries (page 6--53)
q. A05 Attenuator Assembly and Shield (page 6--39)
r. A04 Acquisition Assembly (page 6--69)
3. Reassembly: Do substeps a--r in the order listed. Observe the following
instructions as you do them:
H The procedures called out in the substeps that follow reinstall all the
modules. When doing these procedures, do their steps in reverse order.
H When reinstalling the modules, ignore any instructions that require connect-
ing a cable or bus to a module that you have not yet installed. You will make
the necessary connections when you install the missing module later.
H Ignore any instructions to do the Access Procedure. The access procedure is
only used when removing individual modules for servicing, not when doing
a disassembly/reassembly for cleaning.
H Ignore any instructions directing you to see other procedures to reinstall
modules removed by the access procedure. The substeps that follow direct
you to the procedures needed to reinstall all of the modules.
a. A04 Acquisition Assembly (page 6--69)
b. A05 Attenuator Assembly and Shield (page 6--39)
c. Back-up Batteries (page 6--53)
d. A01 Backplane Assembly and its Mount (page 6--50)
e. A09 DSP Assembly (page 6 --48)
f. A02 Display Assembly (page 6--47)
g. A03 CPU Assembly (page 6--45)
h. Line Fuse and Line Cord (page 6--26)
i. A08 Jumper Board Assembly, D1 Bus, and Board Supports (page 6--44)
j. Line Filter (page 6--65)
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