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Acer AL1716 AL1716W Service Guide - Page 38

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6.7 ACER_LCD_AL1716W_SCHEMATICS_INTERFACE BD_KEY & PANEL INTERFACE 1 2 3 4 5 6 7 8 9 10 11 12 13 A B C D E F G LED_A LBADC_IN1 LBADC_IN2 LED_B LED_A LBADC_IN1 LBADC_IN2 LED_B VCC5V VCC5V T131 R372 2K4 T132 2 T133 R374 2K4 T134 VCC5V 3 2 Q308 MMBT3904 1 1 3 CLKP_LV_E CLKN_LV_E CH2P_LV_E CH2N_LV_E CH1P_LV_E CH1N_LV_E CH0P_LV_E CH0N_LV_E CLKP_LV_O CLKN_LV_O CH2P_LV_O CH2N_LV_O CH1P_LV_O CH1N_LV_O CH0P_LV_O CH0N_LV_O Q306 MMBT3904 CLKP_LV_E CLKN_LV_E CH2P_LV_E CH2N_LV_E CH1P_LV_E CH1N_LV_E CH0P_LV_E CH0N_LV_E CLKP_LV_O CLKN_LV_O CH2P_LV_O CH2N_LV_O CH1P_LV_O CH1N_LV_O CH0P_LV_O CH0N_LV_O T110 T111 T125 T124 T112 T113 T114 T115 T116 T117 VLCD T122 T123 T120 T121 T119 T118 VLCD P306 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 STM-MSKF240430 USE FFC WIRE FOR LVDS INTERFACE ADC1_IN ADC2_IN KEY_POWER 1.641V(56Kohm) KEY_MENU 0.693V(15Kohm) 0.576V KEY_DOWN KEY_UP 1.632V(56Kohm) 1.14V(30Kohm) 0.846V SELECT 0.694V(15Kohm) 0.498V T135 T136 LED_GREEN LED_AMBER R375 R376 100 100 T138 C385 0.1uF T139 GREEN_LED AMBER LED C386 0.1uF T141 T147 LBADC_IN1 LBADC_IN2 R380 R383 C387 0.1uF C388 0.1uF 100 100 T142 T148 R378 56K 1% R379 56K 1% 3V3_DVDD1 T145 T146 C391 0.1uF C392 0.1uF JWT-A2001WV2-05 5 4 3 2 1 P307 A B C D E F G 1 2 3 4 5 6 7 8 9 10 11 12 13 PCB No. ACER AL1716W 37 Go to cover page

Section	Page
Cover Page	1
Important Safety Notice	2
1. Product Specification	3
1.1 Scope	3
1.2 General Requirements	3
1.3 Interface Connectors	4
1.4 Input Signals (Analog RGB Signal Input)	4
1.5 User Controls and Indicators	5
1.6 Monitor Modes and Timing Capability	6
1.7 Controller Requirements	7
1.8 DC - AC Inverter Requirements	7
1.9 Power Supply Requirements	7
1.10 Display Communications Channel	7
2. Flat Panel Specification	8
2.1 General Information	8
2.2 Panel Timings	8
2.3 Polarizer Hardness	8
2.4 Backlight Requirements	8
2.5 Defects	8
2.6 Optical Characteristics	9
2.7 Panel General Information	10
2.8 Back-Light Unit	12
2.9 Switching Characteristics for LVDS Receiver	12
3. Exploded Diagram	13
3.1 Packing Exploded Diagram	13
3.2 Product Exploded Diagram	14
4. Troubleshooting	14
4.1 Power board	15
4.2 Inverter circuit on power board	16
4.3 No.display of screen(Screen is black, color of LED is amber)	17
4.4 Nothing display on screen (screen is black, color of LED is blue)	18
4.5 Abnormal screen for VGA source	19
4.6 Abnormal OSM display adjust problem	20
4.7 Abnormal plug and play for VGA	21
4.8 Checking the control circuit of vertical sync pulse for VGA	22
4.9 Checking the resolution change IC movement	23
5. Spare Parts List	24
6. Schematics and Layouts	32
6.1 ACER_LCD_AL1716W_SCHEMATICS_POWER BOARD	32
6.2 ACER_LCD_AL1716W_SCHEMATICS_INTERFACE_TOP	33
6.3 ACER_LCD_AL1716W_SCHEMATICS_INTERFACE POWER	34
6.4 ACER_LCD_AL1716W_SCHEMATICS_INTERFACE BD_VGA & DDC INTERFACE	35
6.5 ACER_LCD_AL1716W_SCHEMATICS_INTERFACE BD_DVI & DDC INTERFACE	36
6.6 ACER_LCD_AL1716W_SCHEMATICS_INTERFACE BD_SCALER_GM5726H	37
6.7 ACER_LCD_AL1716W_SCHEMATICS_INTERFACE BD_KEY & PANEL INTERFACE	38
6.8 ACER_LCD_AL1716W_SCHEMATICS_INTERFACE BD_AUDIO	39
6.9 ACER_LCD_AL1716W_LAYOUTS_POWER BOARD	40
6.10 ACER_LCD_AL1716W_LAYOUTS_INTERFACE BOARD	41
7. Assembly and Disassembly Procedures	42
7.1 Assembly Procedures	42

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