Xerox 4540 Service Manual - Page 148

To Replace the Front Indicator Board (FRU

Page 148 highlights

b. Lower the fan tray into the bay until it comes into contact with the connector on the fan board. c. Push down gently until the connector is fully engaged. Once fully engaged, the amber LED (middle) on the fan tray may light momentarily. 6. Close the fan cover and tighten the retaining screws on the left and right sides of the cover. ▼ To Replace the Front Indicator Board (FRU) The front indicator board supports the front panel power button and front panel indicator LEDs. This board also contains the ribbon cable that connects to the disk drive backplane. Be sure you have the tools necessary as described in "Tools and Supplies Needed" on page 3-1. Note - This component is a FRU and should be replaced only by qualified service technicians. Contact your Sun Service representative for assistance. Special Tools This component replacement requires a No. 1 Phillips screwdriver (magnetic tip recommended). TABLE 3-9 lists the qualified part numbers for this component. This part number is subject to change over time. For an updated list of components, see the following web site: http://sunsolve.sun.com/handbook_pub/Systems/ TABLE 3-9 Sun Fire X4500/X4540 Front Indicator Board Component Front Indicator Board Part Number #501-7192 Note - If you suspect the ribbon cable is bad, first replace the cable that connects the front indicator board to the disk drives backplane and then test the operation of the front indicator board. 3-28 Sun Fire X4500/X4540 Server Service Manual • May 2010

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3-28
Sun Fire X4500/X4540 Server Service Manual
May 2010
b. Lower the fan tray into the bay until it comes into contact with the connector
on the fan board.
c. Push down gently until the connector is fully engaged.
Once fully engaged, the amber LED (middle) on the fan tray may light
momentarily.
6. Close the fan cover and tighten the retaining screws on the left and right sides
of the cover.
To Replace the Front Indicator Board (FRU)
The front indicator board supports the front panel power button and front panel
indicator LEDs. This board also contains the ribbon cable that connects to the disk
drive backplane. Be sure you have the tools necessary as described in
“Tools and
Supplies Needed” on page 3-1
.
Note –
This component is a FRU and should be replaced only by qualified service
technicians. Contact your Sun Service representative for assistance.
Special Tools
This component replacement requires a No. 1 Phillips screwdriver (magnetic tip
recommended).
TABLE 3-9
lists the qualified part numbers for this component. This part number is
subject to change over time. For an updated list of components, see the following
web site:
Note –
If you suspect the ribbon cable is bad, first replace the cable that connects the
front indicator board to the disk drives backplane and then test the operation of the
front indicator board.
TABLE 3-9
Sun Fire X4500/X4540 Front Indicator Board
Component
Part Number
Front Indicator Board
#501-7192