Tektronix RTX130B, Service Manual

Page: 125 / 180

Removal and Installation Procedures
RTX130B QAM & VSB RF Signal Generator Service Manual
4-21
Procedures for Board Modules
Perform the
Access Procedure
(on page 4-14) before doing any procedure in this
group. The procedures are:
H
Top frame and board retainers
H
A180 QAM Modulator board
H
A12 Main board
H
CPU board
H
A20 PCI Backplane board
H
Printer connector
1.
Assemble equipment and locate modules to be removed:
H
You need a screwdriver with a T-10 Torx tip.
2. Orient the instrument: Set the RTX130B so its bottom is down on the work
surface and its right side is facing you.
3. Remove the board retainers: See Figure 4-10 on page 4-22.
a.
Use a screwdriver a T-10 Torx tip to remove the two screws securing the
board retainers to the chassis.
b. Lift the retainers away from the chassis.
4. Remove the top frame: See Figure 4-10 on page 4-22.
a.
Use a screwdriver with a T-10 Torx tip to remove the three screws
securing the top frame to the chassis.
b. Lift the top frame away from the chassis.
Top Frame and Board
Retainers