4-11
Servicing Frame Power Supplies
Frame Power Supply Replacement
To replace the entire Frame power supply chassis proceed as follows:
1.
Turn the main power switch on the front of the supply to the OFF position. The
five green DC output LEDs on the front panel will extinguish. See
2.
At the rear of the equipment rack, disconnect the AC power to the supply by
unplugging the cable from the AC source.
3.
Remove the left and right rear covers of the power supply chassis to expose the
wiring connections, see
.
4.
At the rear of the power supply chassis
, d
isconnect the following:
a.
Disconnect the two plugs connected to the jacks at the top of the left rear
opening in the chassis. See
b. Remove the two nuts securing the large cables on the right rear opening in
the chassis and disconnect the cables. See
Frame Air Filter
I
O
STATUS
+5V
-5.2V
+13V
-13V
+48V
GRASS VALLEY GROUP
Power Supply
Power
DC Output
Indicator LEDs
Main AC
Power Switch
Front Panel
Captive Screws
®
Figure 4-3. Frame Power Supply (Front) AC Switch Location
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 ...