Sharp AR-650 Service Handbook page 142

[CA3] [CA4] [CA5] [CA6] [CAA] [CAB] [CAC] [CAD] [CAE] [CAF] [CD0] Laser beam adjustment
trouble
Between the PLG board and the galvanomirror, PLG board and laser drive board, and PLG
board and HSYNC board, are the harnesses open-circuited or connectors disconnected?
Yes
No
• Replace the PLG board.
• Replace the unit.
[CA9] Image data transmission error SYS board
Is the harness between the PLG board and the SYS board open-circuited, or connector dis-
connected?
Yes
No
• Replace the PLG board.
• Replace the SYS board.
TROUBLE SHOOTING
Replace the harness(es), and re-connect the connector(s).
Replace the harness, and re-connect the connector.
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