4-22
Section 4 — Maintenance
8.
Connect the heavy red wire to the left stud.
9.
Connect the heavy black wire to the right stud.
10. Replace the lockwashers and nuts and torque to 80 inch pounds.
WARNING
Insufficient torquing of the nuts may cause overheating of the terminals
which could result in fire. However, excessive torquing of the nuts may break
the studs.
11. If this is a non-redundant power system:
a.
Before applying power you must set the BYPASS/PROTECT jumper in
the rack fan assembly as described in Section 2 of this manual.
b. Adjust the power supply voltages as described in the Primary and
Redundant Power Supply Voltage Adjustments procedure in Section 2 of
this manual.
c.
You may now reinstall the cover on the rear of the frame, reconnect the
power source, and apply power.
I
(For Upper Supply in
Redundant
Power System
also Install
Intermediate Wires,
Washers, and Studs)
Ensure Connector
is Securely Attached
to Circuit Board
Install Wires,
Washers, and Nuts
on Studs (see Text)
Connect
Brown Wire
Connect
Blue Wire
0347-0420
Connect
Connector to
Circuit Board
Black
Black
Red
Red
Feed Connector
and Cable
Through Hole
in Frame
Figure 4-9. Installation of Todd +5 Volt Power Supply Assembly
Summary of Contents for Grass Valley 4000
Page 3: ...iii Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 4: ...iv Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 34: ...1 20 Section 1 System Overview ...
Page 138: ...2 104 Section 2 Installation ...
Page 196: ...3 58 Section 3 Functional Description ...
Page 286: ...Index 6 Index ...