IBM 6580

~o
SYSTEM ENTRY MAP
I
PAGE 2 OF
004 Q00015
Check to
running.
see if the Fan in
the Electronic Module is
Is the Fan in the Electronic Module running?
Y
I
:O~t appears that AC Power is not present
Supply.
I POWER-OFF.
at
Remove the Primary Power Fuse from Panel 2.
the Power
Usi ng the lowest ohms sCle, check the conti n,ui ty of the
fuse. (less than 2 ohms) :
Is the Power Supply Fuse ba ?
Y
I
:06
DANGER
II
II
3 3
E F
HIGH VOLTAGE IS PRESENT AT THE POWER CORD CONNECTOR.
Disconnect the Power Cord connector (9) at Panel 2.
Power C~rd connector (9) configuration.
/ I
I-~- I
1- =~= I
Using the (ac) scale, measure the voltage at Power
Cord connector (9).
Connector I (ac)
(Step 006 continues)
Figure
9-35. MAP Format Sample
(Step 006 continued)
Pins I Voltage
L to G
L to N
N to G
104 to 127 volts
104 to 127 volts
zero volts
(WT-GBG/I refer to Voltage Chart in
Manual.)
the
Is the
(ac)
voltage in
the correct
voltage
Y N
I
007
Disconnect the Power Cord
connector
outlet.
MAP 0010-2
Product Support
range?
from
the
wall
Using the (ac) scale, measure the voltagQ at the outlet.
Is the (ac) voltage in the correct voltage range?
Y N
,
I
' 003
I Inform the Customer.
, ,
I
009
"
::S::l~a: :::o:o:::r:o~:;nt, A.
This is the System
Entry
Map.
I
010
POWER-OFF.
Install a new Power Supply.
Go to Map DOlO. Entry Point, A. This is the System Entry
Map.
MAP 0010-2
Chapter 9. Diagnostics
9-37