AL1722 Service Guide
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... Before using this manual: Screen messages NOTE WARNING CAUTION IMPORTANT Denotes actual messages that appear on screen. Gives precautionary measures to avoid possible hardware or software problems. Reminds you should check the most up-to those given in the FRU list of this generic service guide. In such cases, please contact your regional office MAY have a DIFFERENT part number code to -date...
... Before using this manual: Screen messages NOTE WARNING CAUTION IMPORTANT Denotes actual messages that appear on screen. Gives precautionary measures to avoid possible hardware or software problems. Reminds you should check the most up-to those given in the FRU list of this generic service guide. In such cases, please contact your regional office MAY have a DIFFERENT part number code to -date...
AL1722 Service Guide
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... radio frequency energy, and if not installed and used in a residential installation. The manufacturer is connected. 4. Do not open the cabinet. Reorient or relocate the receiving antenna. 2. Connect the equipment into an outlet on , the user is encouraged to try to correct such interference. Dangerously high voltages are designed to operate the equipment. 2. Notice: 1. Shielded interface cables and AC power cord...
... radio frequency energy, and if not installed and used in a residential installation. The manufacturer is connected. 4. Do not open the cabinet. Reorient or relocate the receiving antenna. 2. Connect the equipment into an outlet on , the user is encouraged to try to correct such interference. Dangerously high voltages are designed to operate the equipment. 2. Notice: 1. Shielded interface cables and AC power cord...
AL1722 Service Guide
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... time. Use only a trolley or stand recommended by the manufacturer and follow the kit instructions. If you mount the monitor on the label. If you to the appliance. If your dealer or local power company. It could short circuit parts causing a fire or electric shock. Never spill liquids on an unstable trolley, stand, or table. opening or removing covers can result...
... time. Use only a trolley or stand recommended by the manufacturer and follow the kit instructions. If you mount the monitor on the label. If you to the appliance. If your dealer or local power company. It could short circuit parts causing a fire or electric shock. Never spill liquids on an unstable trolley, stand, or table. opening or removing covers can result...
AL1722 Service Guide
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The LCD screen has effective pixels of the time. It may remain after switching the image, when the same image is recovered slowly by changing the image or turning off the Power Switch and then turn it on again to the nature of the fluorescent light, the screen may find slightly uneven brightness on the screen depending on the desktop pattern you use . Due to the nature of...
The LCD screen has effective pixels of the time. It may remain after switching the image, when the same image is recovered slowly by changing the image or turning off the Power Switch and then turn it on again to the nature of the fluorescent light, the screen may find slightly uneven brightness on the screen depending on the desktop pattern you use . Due to the nature of...
AL1722 Service Guide
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... Requirements LCD Monitor General Specification LCD Panel Specification Support Timing Block Diagram Main Board Diagram Software Flow chart Main Board Layout Front Bezel Rear Bezel Operating Instructions 9 10 11 12 13 15 16 17 18 22 23 24 Chapter 3 External Controls Front Panel Controls Adjusting the picture Hot-Key Menu OSD Message LOGO Machine Disassembly 24 25 26 30 30 31 32 Chapter 4 Troubleshooting 39 Chapter 5 Connector Information 45 Chapter 6 FRU (Field Replacement Unit...
... Requirements LCD Monitor General Specification LCD Panel Specification Support Timing Block Diagram Main Board Diagram Software Flow chart Main Board Layout Front Bezel Rear Bezel Operating Instructions 9 10 11 12 13 15 16 17 18 22 23 24 Chapter 3 External Controls Front Panel Controls Adjusting the picture Hot-Key Menu OSD Message LOGO Machine Disassembly 24 25 26 30 30 31 32 Chapter 4 Troubleshooting 39 Chapter 5 Connector Information 45 Chapter 6 FRU (Field Replacement Unit...
AL1722 Service Guide
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... MTBF target is also a space saving design, allowing more desktop space, and comparing to drive a pair of AL1722 Panel Signal Interface Sync Type Color Temp User Adjust DDC Speaker Headphone Jack Microphone Jack USB Hub Tilt / Swivel 17" Samsung LTM170EU-21 D-SUB DVI Separate / Compatible Support DDC2B 1.5W + 1.5W (Rated power) No No Not support Yes / No 9 It also supports VESA DPMS power management and plug & play function. This will alleviate...
... MTBF target is also a space saving design, allowing more desktop space, and comparing to drive a pair of AL1722 Panel Signal Interface Sync Type Color Temp User Adjust DDC Speaker Headphone Jack Microphone Jack USB Hub Tilt / Swivel 17" Samsung LTM170EU-21 D-SUB DVI Separate / Compatible Support DDC2B 1.5W + 1.5W (Rated power) No No Not support Yes / No 9 It also supports VESA DPMS power management and plug & play function. This will alleviate...
AL1722 Service Guide
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... All tests shall be performed under test. Ambient light : Viewing distance : Warm up time All specifications : Fully functional : Measuring equipment : Control settings User brightness control : User contrast control : User red/white balance, Green/white balance and Blue/white balance control : Power input : Ambient temperature : Analog input mode : 225 lux 40 cm in front of measure... The units of LCD panel 30 minutes 5 seconds Chroma 7120 signal generator or equivalent, directly Connected to the monitor under the following conditions, unless otherwise specified.
... All tests shall be performed under test. Ambient light : Viewing distance : Warm up time All specifications : Fully functional : Measuring equipment : Control settings User brightness control : User contrast control : User red/white balance, Green/white balance and Blue/white balance control : Power input : Ambient temperature : Analog input mode : 225 lux 40 cm in front of measure... The units of LCD panel 30 minutes 5 seconds Chroma 7120 signal generator or equivalent, directly Connected to the monitor under the following conditions, unless otherwise specified.
AL1722 Service Guide
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... % 12 LCD Panel Specification LCD Panel Model (SAMSUNG LTM170EU-21) Display Type active matrix color TFT LCD Resolution 1280x1024 pixels Display Dot 1280x (RGB) x 1024 Display Area 337.92mm(H) x 27.336mm(V) Pixel Pitch 0.294mm(H) x 0.294mm(V) Display Color 16.2M (true) Lamp Frequency 80kHz (Max) Lamp Current 7.0 mArms (Max) Weight 1900g (Max) Optical Specifications IL = 6.5mArms Ta = 25 2¢C VDD = 5V FV = 60Hz FDCLK = 54MHz ITEM Contrast Ratio (Center of screen) Response Rising...
... % 12 LCD Panel Specification LCD Panel Model (SAMSUNG LTM170EU-21) Display Type active matrix color TFT LCD Resolution 1280x1024 pixels Display Dot 1280x (RGB) x 1024 Display Area 337.92mm(H) x 27.336mm(V) Pixel Pitch 0.294mm(H) x 0.294mm(V) Display Color 16.2M (true) Lamp Frequency 80kHz (Max) Lamp Current 7.0 mArms (Max) Weight 1900g (Max) Optical Specifications IL = 6.5mArms Ta = 25 2¢C VDD = 5V FV = 60Hz FDCLK = 54MHz ITEM Contrast Ratio (Center of screen) Response Rising...
AL1722 Service Guide
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...support modes to accommodate the above mode and other video modes within the frequency range of the monitor. 80Hz refresh rate Support Monitor should display " Out of Range" warning menu at this mode. Green 3. DDC-Return 6. Monitor should display 80Hz refresh rate mode as emergency mode. R-Ground 7. Video Input Connector PIN NO. Supported Timing Modes Resolution Horizontal Frequency Vertical Frequency VESA VGA... MAC ٛ. Red 2. G-Ground 8. Blue 4. VGA Connector layout DESCRIPTION +5V Logic Ground Monitor Ground DDC-Serial Data H-Sync V-Sync DDC-Serial ...
...support modes to accommodate the above mode and other video modes within the frequency range of the monitor. 80Hz refresh rate Support Monitor should display " Out of Range" warning menu at this mode. Green 3. DDC-Return 6. Monitor should display 80Hz refresh rate mode as emergency mode. R-Ground 7. Video Input Connector PIN NO. Supported Timing Modes Resolution Horizontal Frequency Vertical Frequency VESA VGA... MAC ٛ. Red 2. G-Ground 8. Blue 4. VGA Connector layout DESCRIPTION +5V Logic Ground Monitor Ground DDC-Serial Data H-Sync V-Sync DDC-Serial ...
AL1722 Service Guide
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Flat Panel and CCFL backlight Inverter board Adapter AC-IN 100V-240V Main Board Audio board Keyboard RS232 Connector For white balance adjustment in factory mode HOST Computer Video signal, DDC 15 The adapter will contain a main board, an inverter board, adapter, keypad board and audio board which house the flat panel control logic, brightness control logic and DDC. CCFL Drive. Monitor Block Diagram The LCD MONITOR will provide the 12V DC-power to inverter/power board and main board. The Inverter board will drive the backlight of panel.
Flat Panel and CCFL backlight Inverter board Adapter AC-IN 100V-240V Main Board Audio board Keyboard RS232 Connector For white balance adjustment in factory mode HOST Computer Video signal, DDC 15 The adapter will contain a main board, an inverter board, adapter, keypad board and audio board which house the flat panel control logic, brightness control logic and DDC. CCFL Drive. Monitor Block Diagram The LCD MONITOR will provide the 12V DC-power to inverter/power board and main board. The Inverter board will drive the backlight of panel.
AL1722 Service Guide
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Check the pin PANEL1 and PANEL2 to tell which panel to green color. Scalar initializes. 10) In standby mode? 11) Update the lifetime of brightness from analog or digital port? 16) Display " No Input Signal " message. And go into eeprom. Is the power key pressed? 10 N Y N 12 Y 11 13 N Y 14 15 N 16 Y 17 18 N 19 Y 17 Turn on the LED and set it to get with it. 5) Is...
Check the pin PANEL1 and PANEL2 to tell which panel to green color. Scalar initializes. 10) In standby mode? 11) Update the lifetime of brightness from analog or digital port? 16) Display " No Input Signal " message. And go into eeprom. Is the power key pressed? 10 N Y N 12 Y 11 13 N Y 14 15 N 16 Y 17 18 N 19 Y 17 Turn on the LED and set it to get with it. 5) Is...
AL1722 Service Guide
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Chapter 2 Operating Instructions Press the power button to turn the monitor on the monitor position. By changing these settings, the picture can be adjusted to your personal preferences. • The power cord should be connected. • Connect the video cable from the monitor to the video card. • Press the power button to turn on or off. The power indicator will light up. External Controls Item 1 2 3 4 5 Description >/Volume The other control buttons are located at front panel of the monitor.
Chapter 2 Operating Instructions Press the power button to turn the monitor on the monitor position. By changing these settings, the picture can be adjusted to your personal preferences. • The power cord should be connected. • Connect the video cable from the monitor to the video card. • Press the power button to turn on or off. The power indicator will light up. External Controls Item 1 2 3 4 5 Description >/Volume The other control buttons are located at front panel of the monitor.
AL1722 Service Guide
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... Panel Control • Power Button: Press this button to turn the monitor ON or OFF, And display the monitor's state. • Menu / Enter : Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON or Exit OSD menu when in active status, this button for 2 seconds to activate the Auto Adjustment function. Power On mode. Off mode NOTES Notes • Do not install the monitor in a location near heat sources...
... Panel Control • Power Button: Press this button to turn the monitor ON or OFF, And display the monitor's state. • Menu / Enter : Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON or Exit OSD menu when in active status, this button for 2 seconds to activate the Auto Adjustment function. Power On mode. Off mode NOTES Notes • Do not install the monitor in a location near heat sources...
AL1722 Service Guide
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If you want to adjust. 4. Press to Adjust a Setting 1. To exit and save, select the exit function. Press the MENU-button to select the function that you want to adjust any other function, repeat steps 2-4. How to select the desired function. 3. Analog-Only Model 26 I. Press the MENU-button to change the settings of the current function. 5. Press < or >to activate the OSD window. 2. Adjusting the Picture a.
If you want to adjust. 4. Press to Adjust a Setting 1. To exit and save, select the exit function. Press the MENU-button to select the function that you want to adjust any other function, repeat steps 2-4. How to select the desired function. 3. Analog-Only Model 26 I. Press the MENU-button to change the settings of the current function. 5. Press < or >to activate the OSD window. 2. Adjusting the Picture a.
AL1722 Service Guide
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... Green Gain Digital-register. N/A Set OSD display language to French. Red Gain from EEPROM. User / Blue English Deutsch Français Español Italiano H. b. Position Warm Cool User / Red Adjust the vertical position of the OSD. Position Adjust the vertical position of the picture. H. N/A Recall Warm Color Temperature from Digital-register. Position Blue Gain from Digital-register. N/A Set OSD display language to Traditional Chinese. V. OSD Timeout Adjust the OSD timeout. 28 The Description For Control Function Main Menu Icon Sub Menu Item Contrast...
... Green Gain Digital-register. N/A Set OSD display language to French. Red Gain from EEPROM. User / Blue English Deutsch Français Español Italiano H. b. Position Warm Cool User / Red Adjust the vertical position of the OSD. Position Adjust the vertical position of the picture. H. N/A Recall Warm Color Temperature from Digital-register. Position Blue Gain from Digital-register. N/A Set OSD display language to Traditional Chinese. V. OSD Timeout Adjust the OSD timeout. 28 The Description For Control Function Main Menu Icon Sub Menu Item Contrast...
AL1722 Service Guide
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Exit N/A Exit OSD 29 Main Menu Icon Sub Menu Item Sub Menu Icon Description Auto Config N/A (Analog-Only Model) Analog N/A Auto Adjust the H/V Position, Focus and Clock of Auto-configuration and set the color temperature to Cool. Reset N/A Clear each old status of picture. Select input signal from analog (D-Sub) (Dual-Input Digital N/A Model) Select input signal from digital (DVI) Information N/A Show the resolution, H/V frequency and input port of current iput timing.
Exit N/A Exit OSD 29 Main Menu Icon Sub Menu Item Sub Menu Icon Description Auto Config N/A (Analog-Only Model) Analog N/A Auto Adjust the H/V Position, Focus and Clock of Auto-configuration and set the color temperature to Cool. Reset N/A Clear each old status of picture. Select input signal from analog (D-Sub) (Dual-Input Digital N/A Model) Select input signal from digital (DVI) Information N/A Show the resolution, H/V frequency and input port of current iput timing.
AL1722 Service Guide
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... OSD Message Item Description Auto Config Please Wait 1.) When Analog signal input, if User Press Hot-Key "Auto", will be flying. This message will be Volume Hot-Key Function Description Volume of the Supported monitor support range, will show this message. Input Not When the Hsync Frequency, Vsync Frequency or Resolution is no active signal input, will show this message, then enter power saving. Cable Not Connected 1.) Analog-Only Model: When the video cable is no active signal input...
... OSD Message Item Description Auto Config Please Wait 1.) When Analog signal input, if User Press Hot-Key "Auto", will be flying. This message will be Volume Hot-Key Function Description Volume of the Supported monitor support range, will show this message. Input Not When the Hsync Frequency, Vsync Frequency or Resolution is no active signal input, will show this message, then enter power saving. Cable Not Connected 1.) Analog-Only Model: When the video cable is no active signal input...
AL1722 Service Guide
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... according to the VESA DDC STANDARD. The voltage rating for the Northern American region is the wallet plug with units intended for this monitor, following a time-out period, will appear to be non-functional if there is a unidirectional data channel from the display to the host that power supply cord needs to use a cord set by the Video Electronics Standards Association (VESA) and/or...
... according to the VESA DDC STANDARD. The voltage rating for the Northern American region is the wallet plug with units intended for this monitor, following a time-out period, will appear to be non-functional if there is a unidirectional data channel from the display to the host that power supply cord needs to use a cord set by the Video Electronics Standards Association (VESA) and/or...
AL1722 Service Guide
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6.No Audio Mute and volume setting is 12V? NG Reconnect NG OK Check correspondent component Replace U701 NG Replace speaker 44 NG OK Check input signal of U701 is ok? NG OK Reset mute and volume Check power supply of U701is ok? Check connecting is ok?
6.No Audio Mute and volume setting is 12V? NG Reconnect NG OK Check correspondent component Replace U701 NG Replace speaker 44 NG OK Check input signal of U701 is ok? NG OK Reset mute and volume Check power supply of U701is ok? Check connecting is ok?
AL1722 Service Guide
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... Chapter 5 The following figure shows the connector locations on the monitor board: PIN NO. 1. 2. 3. 4. 5. 6. 7. 8. 1 5 6 10 11 15 15 - DESCRIPTION +5V Logic Ground Monitor Ground DDC-Serial Data H-Sync V-Sync DDC-Serial Clock PIN NO. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 24 - DESCRIPTION TMDS Data3+ +5V Power Ground Hot Plug Detect TMDS Data0- Pin Color Display Signal Cable (D-sub) DESCRIPTION Red Green Blue Monitor Ground DDC-Return R-Ground G-Ground B-Ground PI N NO...
... Chapter 5 The following figure shows the connector locations on the monitor board: PIN NO. 1. 2. 3. 4. 5. 6. 7. 8. 1 5 6 10 11 15 15 - DESCRIPTION +5V Logic Ground Monitor Ground DDC-Serial Data H-Sync V-Sync DDC-Serial Clock PIN NO. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 24 - DESCRIPTION TMDS Data3+ +5V Power Ground Hot Plug Detect TMDS Data0- Pin Color Display Signal Cable (D-sub) DESCRIPTION Red Green Blue Monitor Ground DDC-Return R-Ground G-Ground B-Ground PI N NO...