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Acer AL2002 AL2002 Service Guide - Page 54

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DIODES CKD_ID D301 D301 D302 D302 D303 D303 D304 D304 D305 D305 D306 D306 D307 D308 D308 D309 D309 D310 D310 D311 D311 D312 D312 D313 D313 D314 D314 D315 D315 D316 D316 D317 D317 D318 D318 D319 D319 D320 D321 D321 D322 D322 D323 D323 D601 D601 D801 D803 D804 D805 D806 D807 FOR U.S.A. (LITE-ON Part No.) 6412019518P 6412027818P10 6412019518P 6412027818P10 6412019518P 6412027818P10 6414056038P 6414056108P 6414056038P 6414056108P 6414056038P 6414056108P 6413030038P 6414056038P 6414056108P 6414056038P 6414056108P 6414056038P 6414056108P 6412019518P 6412027818P10 6412019518P 6412027818P10 6412019518P 6412027818P10 6412019518P 6412027818P10 6414056038P 6414056108P 6412019518P 6412027818P10 6412019518P 6412027818P10 6412019518P 6412027818P10 6412019518P 6412027818P10 6413030038P 6414056038P 6414056108P 6414056038P 6414056108P 6414056038P 6414056108P 6418004600P 6418004610P 6413150027P 6412026604P 6412011407P 6412010907P 6412001707P 6412010907P DESCRIPTION DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_SCHOTTKY_BAT54C_7_0.2A/30V_SOT23 DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SWITCHING_MMBD7000_7_75V_SOT23_4nS DIODE_BAV99-7-F_SOT23_DIODES DIODE_SCHOTTKY_BAT54C_7_0.2A/30V_SOT23 DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII DIODE_ZNR_RLZ TE_11 5.6B LL_34 DIODE_ZENER_MMSZ5232B_7_5.6V_SOD123_DII LED_LTL_1_BEDJP1_1(Y)3(G)_BULK_LITEON LED_GP32032M/R003_ZY_01_YELLOW/GREEN 1(G DIODE_SCHOTTKY_P6KE150AT/B_T52_PANJIT DIODE_FAST RECOVERY_PG108R_1A/800V_DO_41 DIODE_1N4937_1A/600V_T52_LITE_ON DIODE_LT2A06_2A/800V_T52 DIODE_SWITCHING_1N4148 T_72_T5 DIODE_LT2A06_2A/800V_T52 Page 6 of 12

Section	Page
acer_lcd_al2002w_SM061206V0_ch1_11.pdf	1
Cover Page	1
Important Safety Notice	2
1. Product Overview	3
2. GENERAL REQUIREMENTS	3
2.1 Test Condition	3
2.2 Test Equipment	4
3. ELECTRICAL RELATED INFORMATION	4
3.1. Product Block Diagram	4
3.2. Product Specification	5
3.3. Interface Connectors	5
3.3.1. Power Connector and Cables	5
3.3.2. Signal Connectors and Cable	6
3.3.3. Connector Pin Assignment	6
3.4. Input Signals (Analog RGB Signal Input)	7
3.4.1. Video Input Signal Ranges	7
3.4.2. Video Signal Amplitudes	8
3.4.3. Video Signal Termination Impedance	8
3.4.4. Synchronization (Sync) Signals	8
3.4.5. Sync Signal Levels	8
3.4.6. Sync Signal Loading	8
3.4.7. Abnormal Signal Immunity	8
3.5. Interface Boards (Digital TMDS Input)	9
3.5.1. Introduction	9
3.5.2. Video Signal Amplitudes	9
3.5.3. Video Signal Termination Impedance	9
3.5.4. Signal Connector (DVI-D 24 pin)	9
3.6. User Controls and Indicators	9
3.6.1. Power On / Off Switch	9
3.6.2. Power Indicator LED	9
3.6.3. On-Screen Display	9
3.7. Monitor Modes and Timing Capability	10
3.7.1. Format and Timing	10
3.7.2. Factory Assigned Display Modes	10
3.7.3. Mode Recognition Pull-in	10
3.7.4. User Display Modes	10
3.8. Controller Requirements	11
3.8.1. General Requirements	11
3.8.2. Video Stretching	11
3.8.3. Panel Timing and Interface	11
3.9. DC - AC Inverter Requirements	11
3.10. Power Supply Requirements	11
3.11. Display Communications Channel	12
4. FLAT PANEL	13
4.1. General Requirements	13
4.2. Panel Timings	13
4.3. Polarizer Hardness	13
4.4. Backlight Requirements	13
4.4.1. General Requirements	13
4.4.2. Lamps Startup Time	13
4.5. Defects	14
4.5.1. Visual Inspection	14
4.5.2. Display Degradation	14
4.5.3. Light Leakage	14
4.5.4. Allowable Defects	14
4.5.5. Defect Terminology	14
4.5.6. Smudges, Streaks and Smears	15
4.5.7. LCD Inspection	15
5. Optical Characteristics	15
5.1. Brightness uniformity	15
5.1.1. Panel 9 test points	15
5.1.2. Brightness Uniformity	15
5.2. Contrast ratio (CR)	16
5.3. Response time	16
5.4. Viewing angles	16
5.5. Chromaticity	17
5.6. Brightness	17
6. Environmental Requirements	17
6.1. Temperature Ranges	17
6.2. Humidity	17
6.3. Altitude	17
6.4. Vibration Test Procedure	18
6.4.1. Vibration System	18
6.4.2. Fixturing	18
6.4.3. Test Axes	18
6.4.4. Random Vibration Spectrum	18
6.4.5. Acceptance Criteria	18
7. RGB settings	18
8. Color grayscale linearity	18
9. PACKING EXPLODED DRAWING	19
10. PRODUCT EXPLODED DIAGRAM	20
11. Schematics and Layouts	21
11.1 ACER_AL2002W (T20BAUW-G1)_BLOCK DIAGRAM	21
11.2 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_POWER BOARD	22
11.3 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_TOP	23
11.4 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_POWER SOURCES CIRCUIT	24
11.5 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_VGA&DDC INTERFACE	25
11.6 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_DVI&DDC INTERFACE	26
11.7 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_SCALER GM5766H	27
11.8 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_KEY & PANEL INTERFACE	28
11.9 ACER_AL2002W (T20BAUW-G1)_SCHEMATICS_KEYPAD	29
11.10 ACER_AL2002W (T20BAUW-G1)_LAYOUTS_POWER BOARD	30
11.11 ACER_AL2002W (T20BAUW-G1)_LAYOUTS_INTERFACE BOARD	31
11.12 ACER_AL2002W (T20BAUW-G1)_LAYOUTS_KEYPAD	32
appendix_4_spare_parts_4092531143P.pdf	49

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