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Acer X223 X223W LCD Service Guide - Page 38

Schematics, Acer_lcd_x223w

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6.8 ACER_LCD_X223W_SCHEMATICS_FUNCTION _KEY 1 2 3 A 4 5 6 7 B P601 1 2 73 4 C 85 6 JWT-CN125WR0-6PS D R601 R600 R602 R603 R604 100 100 56K_1% 30K_1% 15K_1% R605 R606 R607 56K_1% 30K_1% 15K_1% C601 0.1uF(NC) C602 0.1uF(NC) E F G 1 2 3 4 5 6 7 8 9 10 11 12 13 Y B D601 LED LEDBLUE 1 3 A 2 4 LEDORANGE Menu KEY S604 SW PUSHBUTTON B E KEY S606 SW PUSHBUTTON C AUTO/EXIT KEY S605 D SW PUSHBUTTON POWER KEY S601 SW PUSHBUTTON E LEFT KEY S603 SW PUSHBUTTON F RIGHT KEY S602 G SW PUSHBUTTON 8 9 10 11 12 13 PCB No. 6832192500P01 ACER X223W 37 Go to cover page

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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