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Acer X223 X223W LCD Service Guide - Page 34

SOT 223

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6.4 ACER_LCD_X223W_SCHEMATICS_INTERFACE POWER 1 2 3 4 5 6 7 8 9 10 11 12 13 VDD VDD NOTE:FOR AUDIO POWER 5V C301 C302 C303 A P301 0.1uF 0.1uF 100uF/16V Su scon UK 3000hrs VCC5V A 9 VCC5V 8 TP1 7 VDD 6 5 TP2 VCC5V VCC5V R302 1K(NC) 4 3 BACKLIGHT_ADJ 2 BACKLIGHT_EN TP3 R301 100(22K) TP4 BKLT_ADJ BKLT_ADJ 1 C304 TP5 C305 C306 C307 0.1uF(NC) B JWT-A2001WV2-9P 0.1uF 0.1uF 100uF/16V B TP6 R303 1K BKLT_EN BKLT_EN Su scon UK 3000hrs C308 R304 0.1uF 47K C301 R301 R302 PULSE NC 100 NC C DC 0.1uF 22K 4K7 C D E F G PANELVCC_EN VCC5V FB301 PBY160808T-600Y-S PANELVCC_EN TP12 R308 4K7 R307 2K4 TP13 2 1 3 R305 10K TP10 R306 47K Q301 MMBT3904 C BE D GS TP7 C309 0.1uF TP11 I301 AO3419/3401 2 3 C310 10uF/16V Su scon UK 3000hrs TP8 FB302 C311 0.1uF VLCD PBY160808T-600Y-S TP9 VLCD C312 0.1uF VLCD VCC5V C313 100uF/16V SOT-223 I302 3 VIN VOUT 2 1 ADJ TAB 4 AIC1084_33PM VCC3V3 TP14 C314 100uF/16V VCC3V3 Hole1 Case_GND 8 7 6 5 Hole2 Case_GND 8 7 6 5 Hole3 Case_GND 8 7 6 5 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 Hole4 Case_GND 8 7 6 5 D E F G 1 2 3 4 5 6 7 8 9 10 11 12 13 PCB No. 6832190100P01 ACER X223W 33 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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