Removal and Installation Procedures
RTX130B QAM & VSB RF Signal Generator Service Manual
4-25
e.
Use a screwdriver with a T-10 Torx tip to remove the ten screws securing
the A20 PCI Backplane board to the chassis.
f.
Lift the board up and away from the chassis.
4.
Reinstallation
: Perform step 3 in reverse order to reinstall the A20 PCI
Backplane board.
1.
Assemble equipment and locate modules to be removed:
a.
You need a screwdriver with a
1
/
4
inch nut driver.
b.
Locate the connector in the locator diagram Board
modules,
Figure 4-3,
page 4-12.
2.
Orient the instrument:
Set the RTX130B so its bottom is down on the work
surface and its rear is facing you.
3.
Remove the Printer connector:
See Figure 4-10 on page 4-22.
a.
Remove the parallel dongle.
b.
Remove the A180 QAM Modulator board as described on page 4-23.
c.
Remove the A12 Main board as described on page 4-23.
d.
Disconnect the cable from CN3 on the CPU board.
e.
Use a
1
/
4
inch nut driver to unscrew the two hex-headed mounting posts
securing the connector to the chassis.
f.
Pull the connector away from the chassis.
4.
Reinstallation:
Torque the dongle screws to 5 inch lbs. Perform step 3 in
reverse order to reinstall the Printer connector.
Printer Connector
Summary of Contents for RTX130B
Page 4: ......
Page 14: ...Service Safety Summary x RTX130B QAM VSB RF Signal Generator Service Manual...
Page 16: ...Environmental Considerations xii RTX130B QAM VSB RF Signal Generator Service Manual...
Page 21: ...Specifications...
Page 22: ......
Page 38: ...Specifications 1 16 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 39: ...Theory of Operation...
Page 40: ......
Page 48: ...Theory of Operation 2 8 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 49: ...Performance Verification...
Page 50: ......
Page 102: ...Performance Verification 3 52 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 103: ...Maintenance...
Page 104: ......
Page 153: ...Options...
Page 154: ......
Page 156: ...Options 5 2 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 157: ...Diagrams...
Page 158: ......
Page 160: ...Diagrams 6 2 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 162: ...6 4 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 164: ...6 6 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 165: ...Replaceable Parts List...
Page 166: ......