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Acer X223 X223W LCD Service Guide - Page 20

Torque=9~10KGFxCM.

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4. Assembly and Disassembly Procedures (continued) S18 Use a Phillips-head screwdriver unscrewed the No.1~4 screws to disassemble the power board. (No1 screw size=M4x8; No2~4 screw size=M3x6; Torque=9~10KGFxCM). 3 2 ACER X223W 19 Go to cover page 4 1 Disconnect the FFC, P301, and function key S19 cables to connectors of interface board. P802 P301 FFC P306

Section	Page
Cover page	1
1. Product Specification	3
1.1 SCOPE	3
1.2 GENERAL REQUIREMENTS	3
1.3 ELECTRICAL	3
1.4 PANEL ELECTRICAL	7
1.5 Optical Characteristics	8
2 OSD Menu	9
2.1 MAIN OSD MENU	9
3. Exploded Diagram	11
3.1 Packing Exploded Diagram	11
3.2 Product Exploded Diagram	12
4. Assembly and Disassembly Procedures	13
4.1 Assembly procedures:	13
4.2 Disassembly procedures	17
5. Troubleshooting	21
5.1 No.display of screen (Screen is black, color of LED isamber)	21
5.2 Nothing display on screen (screen is black, color of LED isblue)	22
5.3 Checking the back light unit	24
5.4 Abnormal screen for VGA	25
5.5 Abnormal screen (For the DVI)	25
5.6 Abnormal OSM display adjust problem	27
5.7 Abnormal plug and play operation for VGA	28
5.8 Abnormal plug and play operation (For the DVI)	29
6. Schematics and Layouts:	31
6.1 ACER_LCD_X223W_SCHEMATICS_BLOCK DIAGRAM	31
6.2 ACER_LCD_X223W_SCHEMATICS_POWER BOARD	32
6.3 ACER _ _LCD_X223W SCHEMATICS_INTERFACE_TOP	33
6.4 ACER_LCD_X223W_SCHEMATICS_INTERFACE POWER	34
6.5 ACER_LCD_X223W_SCHEMATICS_INTERFACE BD_VGA	35
6.6 ACER_LCD_X223W_SCHEMATICS_INTERFACE BD_SCALER	36
6.7 ACER_LCD_X223W_SCHEMATICS_INTERFACE BD_KEY & PANEL INTERFACE	36
6.8 ACER_LCD_X223W_SCHEMATICS_FUNCTION _KEY	37
6.9 ACER_LCD_X223W _LAYOUTS_POWER BOARD	39
6.10 ACER_LCD_X223W LAYOUTS__ YOUTS_INTERFACE BOARD	40

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