May 2013
2-600
Xerox® WorkCentre® 5790 Family
OF3
Status Indicator RAPs
Y
N
This indicates that there is a short circuit on one of the +3.3V or +5V circuits connected to
PJ16. Go to the
01D
+3.3V Distribution RAP and the
01E
+5V Distribution RAP to trouble-
shoot and repair the cause of the +3.3V or +5V short circuit.
Disconnect the power cord. Reconnect
P/J17
. Reconnect the power cord and then press the
on/off switch. The LVPS is on (IOT PWB LEDs
CR12
,
CR13
,
CR14
and
CR15
are lit, also
the LVPS fan is running) and all stay on.
Y
N
This indicates that there is a short circuit on one of the +3.3V or +5V circuits connected to
P/J17. Go to the
01D
+3.3V Distribution RAP and the
01E
+5V Distribution RAP to trou-
bleshoot and repair the cause of the +3.3V or +5V short circuit.
Disconnect the power cord. Reconnect
P/J18
. Reconnect the power cord and then press the
on/off switch. The LVPS is on (IOT PWB LEDs
CR12
,
CR13
,
CR14
and
CR15
are lit, also
the LVPS fan is running) and all stay on.
Y
N
This indicates that there is a short circuit on one of the +3.3V or +5V circuits connected to
P/J18. Go to the
01D
+3.3V Distribution RAP and the
01E
+5V Distribution RAP to trou-
bleshoot and repair the cause of the +3.3V or +5V short circuit.
Disconnect the power cord. Reconnect
P/J19
. Reconnect the power cord and then press the
on/off switch. The LVPS is on (IOT PWB LEDs
CR12
,
CR13
,
CR14
and
CR15
are lit, also
the LVPS fan is running) and all stay on.
Y
N
This indicates that there is a short circuit on one of the +3.3V or +5V circuits connected to
P/J19. Go to the
01D
+3.3V Distribution RAP and the
01E
+5V Distribution RAP to trou-
bleshoot and repair the cause of the +3.3V or +5V short circuit.
Disconnect the power cord. Reconnect
P/J25
. Reconnect the power cord and then press the
on/off switch. The LVPS is on (IOT PWB LEDs
CR12
,
CR13
,
CR14
and
CR15
are lit, also
the LVPS fan is running) and all stay on.
Y
N
This indicates that there is a short circuit on one of the +3.3V or +5V circuits connected to
P/J25. Go to the
01D
+3.3V Distribution RAP and the
01E
+5V Distribution RAP to trou-
bleshoot and repair the cause of the +3.3V or +5V short circuit.
The LVPS, +3.3V circuits and +5V circuits are working correctly, the problem is intermittent,
perform the following actions:
•
Load software 061.131.221.10401 or greater using the Forced AltBoot Software Loading
procedure,
GP 4
.
•
Go to the
01H
Short Circuit and Overload RAP to diagnose a short circuit.
Fax Installation Checkout
If a FAX kit has just been installed and the one or more of the following symptoms are evident:
•
The machine will not respond to the on/off button
•
The only LED on the IOT PWB that is lit is CR36 (+3.3V standby)
•
The UI touch screen is blank
Disconnect the power cord. Refer to
Figure 4
, disconnect an correctly reconnect PJ138. Wait 2
minutes for the LVPS to self recover, then reconnect the power cord and switch on the
machine,
GP 14
. The machine should now power on correctly.
If a FAX kit has just been installed and an alternating red/green/black checkerboard is dis-
played on the UI touch screen, Disconnect the power cord. Refer to
Figure 4
, disconnect an
correctly reconnect PJ138. Wait 2 minutes for the LVPS to self recover, then reconnect the
power cord and switch on the machine,
GP 14
. The machine should now power on correctly. If
the machine does not power on correctly, perform an Altboot Software Loading Procedure,
GP
4
. If the machine still does not power on correctly, install a new Fax kit,
PL 31.35 Item 1
(Line
1), or
PL 31.40 Item 1
(line 2).
Figure 1 Power connections
Machine ground frame point
Power cord receptacle
Summary of Contents for WorkCentre 5790 Series
Page 1: ...Xerox WorkCentre 5790 Family Service Manual 708P90298 May 2013 ...
Page 4: ...May 2013 ii Xerox WorkCentre 5790 Family Introduction ...
Page 20: ...May 2013 xviii Xerox WorkCentre 5790 Family Translation of Warnings Introduction ...
Page 22: ...May 2013 1 2 Xerox WorkCentre 5790 Family Service Call Procedures ...
Page 32: ...May 2013 1 12 Xerox WorkCentre 5790 Family SCP 7 Service Call Procedures ...
Page 53: ...May 2013 2 21 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 1 3 3V Return ...
Page 54: ...May 2013 2 22 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 2 3 3V Return ...
Page 56: ...May 2013 2 24 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 3 5V Return ...
Page 57: ...May 2013 2 25 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 4 5V Return ...
Page 59: ...May 2013 2 27 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 5 12V Return ...
Page 61: ...May 2013 2 29 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 6 24V Return ...
Page 62: ...May 2013 2 30 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 7 24V Return ...
Page 63: ...May 2013 2 31 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 8 24V Return ...
Page 95: ...May 2013 2 63 Xerox WorkCentre 5790 Family 01K Status Indicator RAPs Figure 2 Circuit diagram ...
Page 96: ...May 2013 2 64 Xerox WorkCentre 5790 Family 01K Status Indicator RAPs ...
Page 178: ...May 2013 2 146 Xerox WorkCentre 5790 Family 06 350 Status Indicator RAPs ...
Page 592: ...May 2013 2 560 Xerox WorkCentre 5790 Family 16B 16C Status Indicator RAPs ...
Page 596: ...May 2013 2 564 Xerox WorkCentre 5790 Family 19 409 Status Indicator RAPs ...
Page 698: ...May 2013 3 2 Xerox WorkCentre 5790 Family Image Quality ...
Page 736: ...May 2013 3 40 Xerox WorkCentre 5790 Family IQS 8 Image Quality ...
Page 742: ...May 2013 4 6 Xerox WorkCentre 5790 Family Repairs Adjustments ...
Page 772: ...May 2013 4 34 Xerox WorkCentre 5790 Family REP 3 4 Repairs Adjustments ...
Page 938: ...May 2013 4 200 Xerox WorkCentre 5790 Family REP 9 10 Repairs Adjustments ...
Page 994: ...May 2013 4 256 Xerox WorkCentre 5790 Family REP 11 17 110 Repairs Adjustments ...
Page 1014: ...May 2013 4 276 Xerox WorkCentre 5790 Family REP 11 15 120 Repairs Adjustments ...
Page 1166: ...May 2013 4 428 Xerox WorkCentre 5790 Family REP 14 20 Repairs Adjustments ...
Page 1168: ...May 2013 4 430 Xerox WorkCentre 5790 Family ADJ 3 1 ADJ 3 2 Repairs Adjustments ...
Page 1174: ...May 2013 4 436 Xerox WorkCentre 5790 Family ADJ 4 1 Repairs Adjustments ...
Page 1242: ...May 2013 4 504 Xerox WorkCentre 5790 Family ADJ 14 1 ADJ 14 2 Repairs Adjustments ...
Page 1386: ...May 2013 6 2 Xerox WorkCentre 5790 Family General Procedures Information ...
Page 1524: ...May 2013 6 140 Xerox WorkCentre 5790 Family Fax Tags General Procedures Information ...
Page 1526: ...May 2013 7 2 Xerox WorkCentre 5790 Family Wiring Data ...
Page 1554: ...May 2013 7 30 Xerox WorkCentre 5790 Family PJ Locations Wiring Data ...
Page 1604: ...May 2013 8 2 Xerox WorkCentre 5790 Family Accessories ...
Page 1606: ...May 2013 8 4 Xerox WorkCentre 5790 Family ACC 1 Accessories ...
Page 1610: ...XEROX EUROPE ...