Laser Optical Unit Related Service Call - Toshiba e-STUDIO2006 Service Manual

8.3.12

Laser optical unit related service call

[CA10] Polygonal motor is abnormal
Classification
Laser optical unit related service
call
Proce
Check item
dure
1 Is the polygonal motor
rotating?
Parts to be replaced
MAIN board
Laser optical unit
[CA20] H-Sync detection error
Classification
Laser optical unit related service
call
Proce
Check item
dure
1 Are the harness open
circuited and the
connectors disconnected
between the MAIN board
(CN33) and the laser
optical unit?
Parts to be replaced
MAIN board
Laser optical unit
e-STUDIO2006/2306/2506/2007/2307/2507/2303A/2303AM/2803AM/2309A/2809A
ERROR CODE AND TROUBLESHOOTING
Polygonal motor is abnormal
Result
Yes 1. Check if the conductor pattern on the MAIN
board is short circuited or open circuited.
2. Replace the MAIN board.
3. Replace the laser optical unit.
No 1. Check if the connector of the harness is
disconnected between MAIN board (CN32)
and the laser optical unit. Reconnect it
securely if so.
Even if the connector is not apparently
disconnected, it may be connected loosely.
Therefore check carefully that it is secure.
2. Check if the harness is open circuited and
the connector pin is disconnected.
3. Check if the conductor pattern on the MAIN
board is short circuited or open circuited.
4. Replace the laser optical unit.
5. Replace the MAIN board.
Remark
H-Sync detection error
Result
Yes 1. Even if the connector is not apparently
disconnected, it may be connected loosely.
Therefore check carefully that it is secure.
No 1. Replace the MAIN board.
2. Replace the laser optical unit
Remark
8 - 50
Error content
Measure
Error content
Measure
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