Tektronix TDS6404, Service Manual

Page: 188 / 252

Removal and Installation Procedures
6- 38
TDS6000 Series Service Manual
Rear power
distribution
circuit board
Front power
distribution
circuit board
PA bus
circuit board
Figure 6- 22: Front and rear power distribution and PA bus boards removal
1.
Assemble equipment and locate modules to be removed:
Locate the modules
to be removed in the locator diagram Internal Modules , Figure 6--8,
on page 6--19. Additional modules to be Removed:
H
Trim (all)
H
Bottom cover
H
Left and Right covers
H
Front and Rear Distribution Boards and the PA bus interconnect board
2.
Orient the oscilloscope:
Set the oscilloscope so its bottom is down on the
work surface and its right-side is facing you.
3. Remove the low-voltage power supply: See Figure 6--23, on page 6--39.
a. Remove the two T-15 Torxdrive screws securing the low-voltage power
supply to the right-side chassis support.
Low-Voltage Power
Supply