Removal and Installation Procedures
6-48
TDS 420A, TDS 430A & TDS 460A Service Manual
A02 Display
Assembly
Mounting
Screw (Short), Display
Assembly
Mounting
Screw, Display
Assembly
Mounting
Screw, CPU
Assembly
D1 Bus (Removed
by the Access
procedure.)
Figure 6- 18: A02 Display assembly removal
1. Access the module: Be sure you have performed the Access Pr ocedure on
page 6--13 and removed the modules as instructed.
2. Assemble equipment and locate modules to be removed:
a. Have handy a screwdriver with a size T-15 Torx
R tip (Items 1 and 2).
b. Locate the modules to be removed in the locator diagram Internal
Modules, Figure 6--3 on page 6--19.
3. Orient the digitizing oscilloscope: Set the digitizing oscilloscope so its left
side is down, with its front facing to the left of you.
4. Remove the DSP Assembly: Use Figure 6--19 as a guide perform the
following substeps:
a. Unplug the battery-backup cable at J5.
b. Remove the single T-15 Torx
R screw from the bracket that secures the
display assembly at the inside rear corner of the main chassis.
c. Remove the single T-15 Torx
R screw from the bracket that secures the
DSP assembly at the inside rear corner of the main chassis.
A09 DSP Assembly
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