Acer AL1913c Service Manual Download Page 21 | Manualshive

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21

Loose and remove 4 screws

Remove AD PCBA

Lift up LCD module and remove bezel.

Remove FFC.

Separate both Audio Cable.

Loose and remove 2 screws.

Take OSD PCBA apart

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Summary of Contents for AL1913c

Page 1: ...L1913c Service Guide Service guide files and updates are available on the CSD web for more information Please refer to http csd acer com tw All manuals and user guides at all guides com a l l g u i d e s c o m ...

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Page 7: ...9 3 2 Machine Assembly 22 Chapter 4 Troubleshooting 25 4 1 Abnormal display Troubleshooting 25 4 2 Abnormal On Off LCD Display K B Troubleshooting 27 4 3 Abnormal BIOS OSD Other Display Troubleshooting 28 4 4 Audio Abnormal 29 Chapter 5 Connector Information 30 5 1 Function Block Diagram 30 5 2 Connector Location 31 5 3 D sub Mini 15Pin Connector 32 5 4 DVI D 24Pin Connector 32 5 5 DC Connector 32...

Page 8: ...ce colorimeter BM 5A or equivalent Others Before measuring Auto Adjust Auto Balance must be done in advance 1 2 Features l 19 SXGA TFT LCD Panel l MVA Mode Liquid Crystal l D SUB DVI D Input l Audio Function l Support to 75Hz Refresh Rate l Support VESA DCC 2B plug play function l Support VESA DPMS DVI DMPM Power Management Function l Super Wide Viewing Angle l High Brightness Contrast Ratio l Hig...

Page 9: ...requency 0 7 Vpp 75Ω separate SYNC and composite SYNC SYNC Frequency Horizontal 30kHz 82kHz x Vertical 56Hz 76 Hz Input Signal Max Pixel Clock 135MHz Image D Sub 15 PIN VESA DVI D Optional Input Terminal Audio Phone Jack d 3 5mm Optional Power Transformer AC100 240Volts 50 60Hz Power Consumption 65W Standby 3W Temperature 5 35 operation 20 55 storage Environmental Conditions Humidity 20 80 operati...

Page 10: ...R CR 5 CR X is corresponding to the Contrast Ratio of the point X at Figure in Note 5 Definition of luminance measured points and Brightness Uniformity 12 o clock direction θy 90º 6 o clock θy 90º θx θx θy θy x y y x Normal θx θy 0º θX 90º θX 90º Active area Vertical Line Number Horizontal Line Number Horizontal Line Number pixel test point X 1 to 5 5 1 2 3 0 320 640 960 1280 0 256 512 768 1024 X ...

Page 11: ...for 20 minutes to avoid abrupt temperature change during measuring In order to stabilize the luminance the measurement should be executed after lighting Backlight for 20 minutes in a windless room 100 90 10 0 Gray Level 255 Gray Level 0 Gray Level 255 Time TR Optical Response TF Photometer TOPCON BM 5A Field of View 2º 500 mm LCD Module LCD Panel Center of the Screen Light Shield Room Ambient Lumi...

Page 12: ... Green Normal operation 2 Orange Power management 3 MENU OSD control MENU button 4 Right selection Volume button AL1714m AL1714bm 5 Left selection Volume button AL1714m AL1714bm 6 AUTO Adjust Clock Phase H Position and V Position automatically 7 Speaker 2 5W x 2 Chapter 2 2 All manuals and user guides at all guides com ...

Page 13: ...k No Name Descriptions 8 D Sub D sub mini 15pin Connector 9 DVI DVI D 24pin Connector 10 Audio IN Phone Jack 3 5ψ 11 DC In DC Power Jack d 3 0mm 12 Lock hole Kensington All manuals and user guides at all guides com ...

Page 14: ...on for selection or adjustment when OSD is shown Press this button and click to plus volume 4 Press this button for selection or adjustment when OSD is shown Press this button and click to minus volume 5 AUTO Press this button to exit the manual when OSD is shown Press this button for the display to optimize the position phase and clock pulse automatically when OSD is not shown AUTO MENU POWER All...

Page 15: ...unction to be adjusted 4 Click or to change current settings 5 To exit OSD select to close the OSD window and save changes To change other settings repeat steps 2 4 2 4 OSD Menu Screen Bright Contract Adjustment Phase Clock pulse Adjustment Horizontal Vertical Adjustment Color Temp Adjustment Language Selection OSD Setting Auto Adjustment Message Restore Exit All manuals and user guides at all gui...

Page 16: ...ning off the power should be avoided while using the menu u Adjustments for clock phase and positions are saved for each signal timing Except for these adjustments all other adjustments have only one setting which applies to all signal timings u The color will change from white to pink while the function is selected All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 17: ...mage up and down on the screen for analog input adjustment only N A Warm Color Temp Set up the color temp to be warm white color N A Cold Color Temp Set up the color temp to be cold white color User Definition Red User Definition Green User Definition Blue Adjust red green blue gain N A English N A 繁體中文 N A Deutsch N A Français N A Español N A Italiano N A N A 日本語 Select the language you want Hori...

Page 18: ...DC to send Extended Display Identification Data EDID to the computer system so the computer system can be set to monitor auto adjust 2 7 Power Saver u Power control system also called Power Saver is installed inside the LCD Monitor u If the monitor has not been used for a certain period of time the system will turn the monitor to low voltage mode to save power Slight moving or any click will retur...

Page 19: ...s Picture Description Push the hooks and stand bottom away Remove Hinge Cover Loosen and remove 4 screws Remove Stand Assy Loose and remove 5 screws Separate Bezel hooks to take Bezel and Rear Cover apart Chapter 3 2 All manuals and user guides at all guides com ...

Page 20: ...over Loose and remove 2 screws Loose and remove 3 screws Remove FFC Remove the Cover of X PCB Loose and remove 3 screws Remove Power PCBA Remove 2 pieces of FFC from AD PCBA All manuals and user guides at all guides com ...

Page 21: ...move 4 screws Remove AD PCBA Lift up LCD module and remove bezel Remove FFC Separate both Audio Cable Loose and remove 2 screws Take OSD PCBA apart All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 22: ...sembly Procedures Place OSD PCBA Fasten 2 screws Insert Audit Cable to connectors of OSD PCBA Bezel assembly complete Insert FFC Place LCD module Insert new AD PCBA All manuals and user guides at all guides com ...

Page 23: ...ws of AD PCBA Insert 2 pieces of FFC to AD PCBA Insert new Power PCBA Fasten 3 fixed screws of Power PCBA Join the cover hooks of X PCB Fasten 3 screws Fasten 2 screws Insert FFC All manuals and user guides at all guides com ...

Page 24: ...24 Place Rear Cover Join hooks of Rear Cover with Bezel Fasten 5 screws Place Stand Assy Fasten 4 screws Insert Stand Cover Have the hook latched All manuals and user guides at all guides com ...

Page 25: ...25 Troubleshooting 4 1 Abnormal Display Troubleshooting Chapter 4 2 All manuals and user guides at all guides com ...

Page 26: ...26 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 27: ...27 4 2 Abnormal ON OFF LCD display Keyboard Troubleshooting All manuals and user guides at all guides com ...

Page 28: ...28 4 3 Abnormal BIOS OSD Other Display Troubleshooting All manuals and user guides at all guides com ...

Page 29: ...29 4 4 Audio Abnormal Troubleshooting All manuals and user guides at all guides com ...

Page 30: ...mation 5 1 Function Block Diagram Chapter 5 2 OSD Key DC 19V DC D Main Inverter Backlight LCD DC 19V D sub Analog Video DVI D Digital Video 3 3V Signal Audio In Speaker Audio All manuals and user guides at all guides com ...

Page 31: ...31 5 2 Connector Location JP1 P1 CN4 CN3 CN2 J1 CN1 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 32: ...eo ground 5 4 DVI D 24pin Connector Pin No Pin Function Pin No Pin Function 1 T M D S Data 2 13 NC 2 T M D S Data 2 14 NC 3 T M D S Data 2 Ground 15 Ground 4 NC 16 Hot Plug Detect 5 NC 17 T M D S Data 0 6 Clock line SCL 18 T M D S Data 0 7 Data line SDA 19 T M D S Data 0 Ground 8 NC 20 NC 9 T M D S Data 1 21 NC 10 T M D S Data 1 22 T M D S Clock Ground 11 T M D S Data 1 Ground 23 T M D S Clock 12 ...

Page 33: ...ut source 7 VIN_19V Input source 8 VIN_19V Input source 5 7 2 CN2 Pin assignment Pin No Symbol Description 1 GND GROUND 2 GND GROUND 3 GND GROUND 4 AUDIO L AUDIO OUTPUT 5 AUDIO L AUDIO OUTPUT 6 AUDIO R AUDIO OUTPUT 7 AUDIO R AUDIO OUTPUT 8 PWR_SW POWER KEY 9 LED_O ORANGE LED 10 LED_G GREEN LED 11 KEY_UP UP KEY 12 KEY_DOWN DOWN KEY 13 MENU MENU KEY 14 AUTO_ADJ AUTO ADJUSTMENT 15 SOURCE_SEL INPUT SO...

Page 34: ... VOLTAGE 14 VCOM PANEL COMMOM VOLTAGE 15 EB0N EVEN PATH BLUE DATA BIT 16 EB0P EVEN PATH BLUE DATA BIT 17 EB1N EVEN PATH BLUE DATA BIT 18 EB1P EVEN PATH BLUE DATA BIT 19 EB2N EVEN PATH BLUE DATA BIT 20 EB2P EVEN PATH BLUE DATA BIT 21 GND GROUND 22 POL POLARITH INVERTING 23 STB DATA LATCH 24 GND GROUND 25 ECLKN EVEN PATH CLOCK 26 ECLKP EVEN PATH CLOCK 27 GND GROUND 28 EG0N EVEN PATH BLUE DATA BIT 29...

Page 35: ...Symbol Description 1 VCOM PANEL COMMOM VOLTAGE 2 VCOM PANEL COMMOM VOLTAGE 3 VCOM PANEL COMMOM VOLTAGE 4 GND GROUND 5 GND GROUND 6 OB0N ODD PATH BLUE DATA BIT 7 OB0P ODD PATH BLUE DATA BIT 8 OB1N ODD PATH BLUE DATA BIT 9 OB1P ODD PATH BLUE DATA BIT 10 OB2N ODD PATH BLUE DATA BIT 11 OB2P ODD PATH BLUE DATA BIT 12 GND GROUND 13 OCLKN ODD PATH CLOCK 14 OCLKP ODD PATH CLOCK 15 GND GROUND 16 GMA1 GAMMA...

Page 36: ... GREEN DATA BIT 34 OG1N ODD PATH GREEN DATA BIT 35 OG1P ODD PATH GREEN DATA BIT 36 OG2N ODD PATH GREEN DATA BIT 37 OG2P ODD PATH GREEN DATA BIT 38 GND GROUND 39 OR0N ODD PATH GREEN DATA BIT 40 OR0P ODD PATH GREEN DATA BIT 41 OR1N ODD PATH GREEN DATA BIT 42 OR1P ODD PATH GREEN DATA BIT 43 OR2N ODD PATH GREEN DATA BIT 44 OG2P ODD PATH GREEN DATA BIT 45 OSTH ODD PATH STAR PULSE All manuals and user g...

Page 37: ...ack ADAPTER 3 42A 65W 3PIN BLACK 2719065193 FUNCTION BUTTON BOARD PCBA FOR A190E2 35A19K020 5 INVERTER BOARD INVERTER BOARD TWS 444 983 2714000022 Main Board AL1913 MAINBOARD 35A19S020 3 CABLE FFC AD OSD 15PIN PITCH1 0M M A190E2 H04 3241900006 Chapter 6 2 All manuals and user guides at all guides com ...

Page 38: ...AUDIO CABLE BLACK AUDIO CABLE 180CM BLACK 32F2818004 Picture Part name Description Vendor Part No STAND BASE ABS Black 40A1992212 LCD FRONT BEZEL Bezel Assy W SPK BLACK 40A1922913 LCD BACK COVER Rear Assy W AUDIO BLACK 40A1992208 LCD STAND NECK STAND ASSY BLACK 40A1992211 All manuals and user guides at all guides com ...

Page 39: ...39 Hinge Cover COVER HINGE BLACK 40A1992206 MAINBOAR D COVER COVER AD A190E2 41A1999106 All manuals and user guides at all guides com ...

Page 40: ...40 All manuals and user guides at all guides com ...

Page 41: ...41 Schematic Diagram Main Board Chapter 7 2 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 42: ...42 All manuals and user guides at all guides com ...

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