IBM 7133 Series, Service Manual

Page: 187 / 230

Back-Power Cards
Attention: If you are servicing the 7133 under concurrent maintenance (see “Concurrent
Maintenance” on page 3-1), ensure that you have only one back-power card removed
from the 7133 at any time.
Note: Unless you have a particular reason to do so, do not turn off the using system or
the 7133 when removing or installing a back-power card.
|
1
If not already done, remove (Models 010 and 020) or open (Models 500 and 600)
| the front cover (see “Covers” on page 3-2).
|
2
On Models 010 and 020, remove the control panel assembly
1
(see “Control Panel
| Assembly” on page 3-36).
| On Models 500 and 600, disconnect the control panel connector
3
.
3
Unscrew the captive screws
2
, and remove the RFI shield
4
.
Chapter 3. Removal and Replacement Procedures
3-41