Sharp AH-X10BE Especificaciones Pagina 141

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MX-3610N TROUBLESHOOTING 6 – 14
E7-22 LSU laser detection error (M)
E7-23 LSU laser detection error (Y)
E7-24 LSU LD driver error (K)
E7-25 LSU LD driver error (C)
E7-26 LSU LD driver error (M)
E7-27 LSU LD driver error (Y)
E7-28 LSU - PCU connection error
E7-29 LSU ASIC frequency error
Trouble content
Detail PCU
Cause Laser optical axis misalignment
Reduced laser power, lighting error, laser diode
trouble.
LSU harness, connector trouble
LSU trouble
Check & Remedy Use SIM61-1 to check the operation of the LSU.
Check or replace the LSU control PWB.
Check connection of the LSU harness.
Replace the LSU.
Trouble content
Detail PCU
Cause Laser optical axis misalignment
Reduced laser power, lighting error, laser diode
trouble.
LSU harness, connector trouble
LSU trouble
Check & Remedy Use SIM61-1 to check the operation of the LSU.
Check or replace the LSU control PWB.
Check connection of the LSU harness.
Replace the LSU.
Trouble content
Detail PCU
Cause When lighting the LSU LD, initialization of the LD
driver is not performed normally.
Harness/connector trouble between the LD PWB and
the LSU mother PWB.
LD PWB trouble.
LSU mother PWB trouble.
Check & Remedy Use SIM61-1 to check the operation of the LSU.
Check the LSU, and replace if necessary.
Check the LSU mother PWB, and replace if
necessary.
Check connection of the harness/connector between
the LD PWB and the LSU mother PWB.
Trouble content
Detail PCU
Cause When lighting the LSU LD, initialization of the LD
driver is not performed normally.
Harness/connector trouble between the LD PWB and
the LSU mother PWB.
LD PWB trouble.
LSU mother PWB trouble.
Check & Remedy Use SIM61-1 to check the operation of the LSU.
Check the LSU, and replace if necessary.
Check the LSU mother PWB, and replace if
necessary.
Check connection of the harness/connector between
the LD PWB and the LSU mother PWB.
Trouble content
Detail PCU
Cause When lighting the LSU LD, initialization of the LD
driver is not performed normally.
Harness/connector trouble between the LD PWB and
the LSU mother PWB.
LD PWB trouble.
LSU mother PWB trouble.
Check & Remedy Use SIM61-1 to check the operation of the LSU.
Check the LSU, and replace if necessary.
Check the LSU mother PWB, and replace if
necessary.
Check connection of the harness/connector between
the LD PWB and the LSU mother PWB.
Trouble content
Detail PCU
Cause When lighting the LSU LD, initialization of the LD
driver is not performed normally.
Harness/connector trouble between the LD PWB and
the LSU mother PWB.
LD PWB trouble.
LSU mother PWB trouble.
Check & Remedy Use SIM61-1 to check the operation of the LSU.
Check the LSU, and replace if necessary.
Check the LSU mother PWB, and replace if
necessary.
Check connection of the harness/connector between
the LD PWB and the LSU mother PWB.
Trouble content
Detail PCU
Cause Communication error between the CPU in the PCU
PWB and the LSU control ASIC.
Improper connection of the communication connector
between the PCU PWB and the LSU control PWB
(interface PWB).
Harness trouble between the PCU PWB and the LSU
control PWB (interface PWB)
PCU PWB trouble.
LSU control PWB trouble.
LSU trouble.
LSU mother PWB trouble.
Check & Remedy Check connection of the connector and the harness
between the PCU PWB and the LSU control PWB
(interface PWB).
Replace the LSU mother PWB.
Replace the PCU PWB.
Replace the LSU.
Replace the LSU control PWB.
Trouble content
Detail PCU
Cause Oscillation abnormality of the external oscillator and
the internal oscillating circuit used in the LSU ASIC.
LSU ASIC abnormality on the LSU ASIC PWB.
Check & Remedy Replace the LSU control PWB.
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