Xerox WorkCentre 5790 Series Service Manual page 91

A B
Y N
The system is operating correctly, perform
Perform the following:
• Refer to Reading or Setting the Power Save Duration
standby mode to low power mode and the low power mode to sleep mode val-
ues to 1 minute.
• Disconnect the Fax telephone lines to prevent a power management event.
• Disconnect the ethernet connection
event.
Go to Flag 1. Check the voltage at
the voltage changes from +3.3V to 0V.
Y N
Go to Flag 2. Check the wiring and connectors between PJ1 pin 9 and
pin 7. Refer to the information that follows:
• P/J1 IOT PWB.
• P/J114 Single Board Controller
Go to Flag 3. Check the wiring and connectors between
pin 1. Refer to the information that follows:
• P/J103 Single Board Controller PWB
• P/J81 User interface
The wiring and connectors are good.
Y N
Repair the wiring, REP
Go to Flag 8. Check for +3.3V at
+12V between pins 4 and 8. Refer to the information that follows:
• P/J155 Riser PWB.
The voltages are good.
Y N
Go to Flag 8. Check for +3.3V at the
between pins 2 and 6, also check for +12V between pins 7 and 8. The
voltages are good.
Y N
Go to Flag 5 and
PWB P/J131 between pins 17 and 13, also check for +12V between
pins 14 and 18. The voltages are good.
Y N
Go to Flag 5
module P/J25
between pins 4 and 14. The voltages are good.
Y N
Install a new LVPS and base module,
Check the wiring and connectors between
Repair the wiring as necessary,
Install a new Power distribution PWB,
A B C D E
Xerox® WorkCentre® 5790 Family
SCP 6 Final Actions.
Times. Set both the
P/J114 to prevent a power management
P/J27 pin 8 on the IOT PWB. After 2 minutes
PWB.
P/J103 pin 3 and PJ81
PWB.
1.2.
P/J155 between pins 2 and 6, also check for
Power distribution PWB
Flag 7. Check for +12V at the Power distribution
and Flag 7. Check for +12V at the LVPS and base
between pins 3 and 13, also check for +12V
PL 1.10 Item
P/J25 and P/J131.
REP 1.2.
PL 3.24 Item 5.
A B C D E
Go to Flag
J155. Repair the wiring as necessary,
Install new parts as necessary:
• User interface harness,
• User interface control PWB,
• User interface touch screen PWB,
• User interface touch screen,
• Single board controller PWB,
• Perform
installed,
Install anew LVPS and base module,
P/J105
Perform the following:
• If the embedded fax option is installed, ensure it has been enabled and set up. If the
customer does not use this option, it may be disabled via the tools menu, but the
embedded fax must be set up to allow the operation of the Sleep Mode.
• Refer to Reading or Setting the Power Save Duration
mode to low power mode and the low power mode to sleep mode values to 1 minute.
• Disconnect the input Fax line(s) to prevent a power management event.
• Disconnect from the network to prevent a power management event.
• Leave the machine untouched and observe the user interface.
After one minute the energy saver button illuminates, then after a further minute
the energy saver button flashes.
Y N
Install a new IOT PWB,
before the new IOT PWB is installed. Return the power save settings to the previous
values and reconnect the Fax and network lines. Perform
P/J138 The system is operating correctly. Return the power save settings to the previous values
and reconnect the Fax and network lines. Perform
Remove the rear cover, PL 8.10 Item
IOT PWB Diagnostics RAP. Only CR36 is lit.
Y N
Disconnect the power cord from the machine. Wait two minutes, then re-connect the
power cord. The machine remains in sleep mode.
Y N
The fault may be intermittent. If the fault re-occurs, perform an Altboot,
essary, install a new single board controller PWB,
3. Install a new single board controller PWB,
The wake event is from the user interface.
Y N
The wake event is from the network.
Y N
The wake event is from the Fax PWB.
F G
May 2013
2-59
8. Check the wiring and connectors between
REP 1.2.
PL 2.10 Item 3.
PL 2.10 Item 11.
PL 2.10 Item 6.
PL 2.10 Item 5.
PL 3.24 Item 3.
OF7 IOT PWB Diagnostics RAP before a new IOT PWB is
PL 1.10 Item 2.
PL 1.10 Item 3.
Times. Set both the standby
PL 1.10 Item 2. Perform OF7 IOT PWB Diagnostics RAP
SCP 6
SCP 6 Final Actions.
1. Observe the LEDs on the IOT PWB, refer to the
PL 3.24 Item
PL 3.24 Item 3.
Status Indicator RAPs
P/J138 and P/
Final Actions.
OF7
GP 4. If nec-
3.
01K