Toshiba e-STUDIO200L, Service Manual

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e-STUDIO200L/202L/230/232/280/282 TROUBLESHOOTING June 2004 © TOSHIBA TEC
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5.1.8 Scanning system related service call
[C260] Peak detection error
Does the exposure lamp light? (Perform the output check in the test mode: 03-267)
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YES 1) Check if the connectors on the CCD and SLG boards are discon-
nected.
2) Check if the shading correction plate is dirty.
3) Check if the conductor pattern on the CCD board is short circuited or
open circuited.
4) Check if the conductor pattern on the SLG board is short circuited or
open circuited.
5) Replace the lens unit.
6) Replace the SLG board.
NO
1) Check if the connectors of the exposure lamp and inverter are disconnected.
2) Check the SLG board if the connector pin CN9 is disconnected and the harness is short
circuited or open circuited.
3) Check if the conductor pattern on the SLG board is short circuited or open circuited.
4) Replace the SLG board.
5) Replace the inverter.
6) Replace the exposure lamp.