Laser Optical Unit Related Service Call - Toshiba e-STUDIO2330C Service Manual

26.3.18 Laser optical unit related service call

[CA10] Polygonal motor abnormality
Is the polygonal motor rotating?
NO 
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1. Check if the connector of the polygonal motor is disconnected.
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2. Check if the relay connector J506 is disconnected.
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3. Check if the connector CN343 on the LGC board is disconnected.
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4. Check if the conductor pattern on the LGC board is short circuited or open
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5. Replace the LGC board.
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6. Replace the laser optical unit.
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<e-STUDIO4520C>
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1. Check if the connector on the POL board is disconnected.
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2. Check if the connectors on the both edges of the HRNS-POL-DRV-382 are
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3. Check if the relay connector J506 is disconnected.
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4. Check if the connector CN343 on the LGC board is disconnected.
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5. Check if the conductor pattern on the POL board is short circuited or open
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6. Replace the POL board.
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7. Check if the conductor pattern on the LGC board is short circuited or open
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8. Replace the LGC board.
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9. Replace the laser optical unit.
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
YES
Is the printed image distorted?
YES  <e-STUDIO2330C//2820C/2830C/3520C/3530C>
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1. Check if the connector CN343 on the LGC board is almost disconnected.
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2. Check if the relay connector J506 is almost disconnected.
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3. Check if the harness is almost open circuited or the connector pin is almost
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4. Check if the conductor pattern on the LGC board is short circuited or open
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5. Check if the laser unit cooling fan is stopped.
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6. Check if the suction area of the laser unit cooling fan is plugged up.
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7. Replace the laser optical unit.
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8. Replace the LGC board.
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<e-STUDIO4520C>
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1. Check if the connector CN343 on the LGC board is almost disconnected.
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|
2. Check if the relay connector J506 is almost disconnected.
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3. Check if the connectors on the both edges of the HRNS-POL-DRV-382 are
|
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4. Check if the harness is almost open circuited or the connector pin is almost
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5. Check if the conductor pattern on the POL board is short circuited or open
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6. Check if the conductor pattern on the LGC board is short circuited or open
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7. Check if the laser unit cooling fan is stopped.
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8. Check if the suction area of the laser unit cooling fan is plugged up.
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9. Replace the laser optical unit.

10.Replace the LGC board.
NO
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circuited.
disconnected.
circuited.
circuited.
disconnected.
circuited.
almost disconnected.
disconnected.
circuited.
circuited.
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e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
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