Sharp AR-810 Instrukcja Użytkownika Pobierz pdf (Strona 60)

AR-651/810 TROUBLE SHOOTING 5 - 60

5. 1. 9. Scanning system related service call

[C26] Peak detection error

Does the exposure lamp light? (Perform the output check in the test mode: 03-267)

YES

1. Check if the connectors on the CCD and SLG boards are disconnected.

2. Check if the shading correction plate is dirty.

3. Check if the conductor pattern on the CCD board is short- or open-circuited.

4. Check if the conductor pattern on the SLG board is short- or open-circuited.

5. Replace the lens unit.

6. Replace the SLG board.

1. Check if the connectors of the exposure lamp and inverter are disconnected.

2. Check the SLG board if the connector pin J9 is disconnected and the harness is short- or open-

circuited.

3. Check if the conductor pattern on the SLG board is short- or open-circuited.

4. Replace the SLG board.

5. Replace the inverter.

6. Replace the exposure lamp.

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Sharp AR-810 Instrukcja Użytkownika Strona 60