Sharp AR-810 Manuel d'utilisateur télécharger pdf (Page 70)

AR-651/810 TROUBLE SHOOTING 5 - 70

[F07] Communication error between SYS board and LGC board

[F11] Communication error between SYS board and SLG board

(1) Check if the connectors J114 and J105 on the SYS board are disconnected.

(2) Check if the connector J4 on the SLG board is disconnected.

(3) Check if the harness connecting the SYS and SLG boards is open-circuited and the connector pins

are disconnected.

(4) Check if the harness connecting the SYS board and LGC board is open-circuited and the connector

pins are disconnected.

(5) Check the version of the FROM on the SYS board.

(6) Check the version of the MROM on the LGC board.

(7) Check the version of the SROM on the SLG board.

(8) Replace the SYS board.

(9) Replace the SLG board.

(10) Replace the LGC board.

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Sharp AR-810 Manuel d'utilisateur Page 70