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1.2 The initial screen is not displayed on the LCD.

If the initial screen is not displayed on the LCD, check the following items.

(1) Check the LED on the front

If the LED does not light, proceed to 1.1.

(2) Check the backlight

If the backlight does not light up, separate. The DVD player into top assembly and

bottom assembly, and check the connector harness, and check the connectors for

defects.

If the connector harness is broken:

Replace the broken harness.

If the connector harness is not broken:

Remove the LCD cover and plate of the LCD unit and check the following:

zCheck the connector of the FL harness, repair connectors.

zIf the connectors are good, replace the FL inverter or the LCD.

(3) Check the lighting of LCD

If the LCD does not light, separate the DVD player into the top assembly and bottom

assembly, and check the LCD harness, and check the connectors on the main board.

If the connector is broken:

Replace the LCD harness or the main board.

If the connector is not broken:

Remove the LCD cover and plate of the LCD unit, and check the connection to the

harness of the LCD unit.

zIf a bad connection is found.

Connect the LCD harness to the LCD unit.

zOther than the above

Replace the LCD unit or the main board.

Shinco SDP1731A User Manual

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