Sharp AR-C360P Service Manual page 158

0 Color Drift from Document
• Is the LED head lens dirty?
YES
• NO Is the LED head Assy properly connected to the PCB (S2H PWB) connection?
NO
• YES Is +5V output to the following HEADPOW connector pin of the PCB (S2H PWB)
connection?
+5V: Pin 1, 2, 3, 4, 5, 6
• YES
• YES
• NO Check the cable connection, then replace the low voltage power unit. Has operation
been restored?
YES
• NO Is 24V output to the power connector of the Engine PCB (S2V PWB)?
24V: Pin 12, 13, 14
NO
• YES Is 24V output to the HVOLT connector Pin 2 of the Engine PCB (S2V PWB)?
NO
• YES Check the cable connection, then replace the high voltage power unit or belt unit.
Has operation been restored?
YES
• NO Is the I/D unit terminal properly connected to the contact Assy? (Refer to Figure 7-3)
NO
• YES Replace Image Drum Unit.
Note 1. When replacing the Engine PCB (S2V PWB), remove the EEPROM from the old PCB,
then mount that EEPROM on the new PCB.
2. If the EEPROM is not going to be replaced, refer to Section 5.2.2.
Rev. 1
Clean the LED head lens.
Check the cable connection between the LED Assy and PCB connection, then
connect properly.
Is +5V output from the PCB (S2H PWB) connection to the LED head?
YPOW Connector 3 Pin: LED head Assy Yellow
MPOW Connector 3 Pin: LED head Assy Magenta
CPOW Connector 3 Pin: LED head Assy Cyan
KPOW Connector 3 Pin: LED head Assy Black
NO Replace the PCB (S2H PWB) connection.
Check the cable connection, then replace the LED head Assy.
END.
Check the cable connection, then replace the low voltage power unit.
Replace the engine PCB.
END.
Properly connect the I/D unit terminal to the contact Assy.
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