IBM i 830, Repair Manual

Page: 681 / 1000

i. Remove the retaining screws that are located inside the disk unit enclosure.
j.
Remove the disk unit enclosures.
k. Remove the screws that hold the center support bracket and shelf for the
disk unit and removable media enclosure to the frame.
l. Remove the support bracket and shelf.
m. Remove the base DASD board assembly (DB3).
7. Install the base DASD board assembly by reversing the removal procedure.
After exchanging an item, go to “Verifying the Repair” on page 920.
This ends the procedure.
Models 830/SB2 with FC 9074 – System Unit Control Panel (NB1)
Attention: The control panel including the processor capacity card and interactive
cards are sensitive to electrostatic discharge (see “Appendix C. Working with
Electrostatic Discharge-Sensitive Parts” on page 955).
CAUTION:
The circuit card contains lead solder. To avoid the release of lead (Pb) into the
environment, do not burn. Discard the circuit card as instructed by local
regulations. (RSFTC234)
1. Power off the system (see “Powering On and Powering Off the System and
Logical Partitions” on page 922).
2. Disconnect the AC power cord from the system unit.
3.
Open the front cover (see “Models 830/SB2 with FC 9074 – Covers” on
page 663).
4. Pull on the two side fasteners to release the control panel assembly.
5. Slide the panel partially out of the frame.
6. Disconnect the cables that are attached to backside of the control panel.
7. Remove the control panel from the frame.
8. Loosen the 2 screws that retain the processor capacity card retention (back)
cover and remove the cover.
9. If you are replacing the panel, then you must move the Processor Capacity
Card and interactive card to the new panel.
Mark the processor capacity card and interactive cards
as to their positions
and orientation, then remove the cards. See “Assembly 4: Models 830 and SB2
with FC 9074 – Control Panel Assembly” on page 824.
10. Install the processor capacity card and Interactive cards into the new panel
and replace the retention cover.
11. Reverse the above procedure to install the panel.
Note: When a control panel with keystick is replaced, discard the new
keysticks that come with the panel and reuse the original keysticks.
12. If you are here to replace the Processor Capacity Card or interactive card, then
replace
only
that card and not the panel.
Are you replacing the processor capacity card?
Yes No
↓
If you are replacing the interactive card continue with step 17 of this
procedure, Verifying the Repair.
Remove and Replace Procedures
Chapter 4. Removal and Installation Procedures
667