AL1951 Service Guide
Page 7
...this case, the screen is displayed for hours. 7 You may find slightly uneven brightness on the screen depending on again to the nature of the LCD screen, an afterimage of the fluorescent light, the screen may flicker during initial use . It may remain after switching the image, when the same ... turning off the Power Switch and then turn it on the desktop pattern you use . The LCD screen has effective pixels of the time. Special Notes On LCD Monitors The following symptoms are normal with LCD monitor and do not indicate a problem. Notes Due to the nature of the previous screen may...
...this case, the screen is displayed for hours. 7 You may find slightly uneven brightness on the screen depending on again to the nature of the LCD screen, an afterimage of the fluorescent light, the screen may flicker during initial use . It may remain after switching the image, when the same ... turning off the Power Switch and then turn it on the desktop pattern you use . The LCD screen has effective pixels of the time. Special Notes On LCD Monitors The following symptoms are normal with LCD monitor and do not indicate a problem. Notes Due to the nature of the previous screen may...
AL1951 Service Guide
Page 8
Table Of Contents Chapter 1 Monitor Features Introduction Electrical Requirements LCD Monitor General Specification LCD Panel Specification Block Diagram Main Board Diagram Software Flow chart Main Board Layout Front Bezel Rear Bezel Adjusting the picture LOGO Chapter 2 Machine Disassembly Chapter 3 ...
Table Of Contents Chapter 1 Monitor Features Introduction Electrical Requirements LCD Monitor General Specification LCD Panel Specification Block Diagram Main Board Diagram Software Flow chart Main Board Layout Front Bezel Rear Bezel Adjusting the picture LOGO Chapter 2 Machine Disassembly Chapter 3 ...
AL1951 Service Guide
Page 9
.... Chapter 1 Monitor Features Introduction Scope This specification defines the requirements for the 19" MICRO-PROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to provide a performance oriented product with no radiation. This will alleviate the growing health concerns.... and 24 pin DVI connector. There is a build-in addition MTBF target is designed with OSD control to drive a pair of AL1951 Panel Signal Interface Sync Type Color Temp User Adjust DDC Speaker Headphone Jack Microphone Jack USB Hub Tilt / Swivel 19" SEC LTM190EX-...
.... Chapter 1 Monitor Features Introduction Scope This specification defines the requirements for the 19" MICRO-PROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to provide a performance oriented product with no radiation. This will alleviate the growing health concerns.... and 24 pin DVI connector. There is a build-in addition MTBF target is designed with OSD control to drive a pair of AL1951 Panel Signal Interface Sync Type Color Temp User Adjust DDC Speaker Headphone Jack Microphone Jack USB Hub Tilt / Swivel 19" SEC LTM190EX-...
AL1951 Service Guide
Page 10
... red/white balance, Green/white balance and Blue/white balance control : Power input : Ambient temperature : Analog input mode : Dark room 40 cm for LCD performance, 20 cm for LCD failures ģ30 minutes 5 seconds Chroma 7120 signal generator or equivalent, directly Connected to factory preset value, which allows that the brightest two...
... red/white balance, Green/white balance and Blue/white balance control : Power input : Ambient temperature : Analog input mode : Dark room 40 cm for LCD performance, 20 cm for LCD failures ģ30 minutes 5 seconds Chroma 7120 signal generator or equivalent, directly Connected to factory preset value, which allows that the brightest two...
AL1951 Service Guide
Page 12
LCD Panel Specification LCD Panel Model (SAMSUNG LTM190EX- L01) Display Type active matrix color TFT LCD Resolution 1280x1024 pixels Display Dot 1280x (RGB) x 1024 Display Area 376.32mm(H) x 301.056mm(V) Pixel Pitch 0.294mm(H) x 0.294mm(V) Display Color 16.7M (true) Lamp Frequency 80kHz (Max) Lamp Current 8.0 mArms (Max) Weight 2250g (Max) Optical Specifications IL = 6.5mArms Ta = 25 2¢C VDD = 5V FV = 60Hz FDCLK = 54MHz 12
LCD Panel Specification LCD Panel Model (SAMSUNG LTM190EX- L01) Display Type active matrix color TFT LCD Resolution 1280x1024 pixels Display Dot 1280x (RGB) x 1024 Display Area 376.32mm(H) x 301.056mm(V) Pixel Pitch 0.294mm(H) x 0.294mm(V) Display Color 16.7M (true) Lamp Frequency 80kHz (Max) Lamp Current 8.0 mArms (Max) Weight 2250g (Max) Optical Specifications IL = 6.5mArms Ta = 25 2¢C VDD = 5V FV = 60Hz FDCLK = 54MHz 12
AL1951 Service Guide
Page 15
The Inverter board will provide the 12V DC-power to inverter/power board and main board. CCFL Drive. Flat Panel and CCFL backlight Inverter board Adapter AC-IN 100V-240V Main Board (Include: Audio board, keyboard) RS232 Connector For white balance adjustment in factory mode HOST Computer Video signal, DDC 15 The adapter will drive the backlight of panel. Monitor Block Diagram The LCD MONITOR will contain a main board (include: keypad board and audio board), an inverter board, adapter which house the flat panel control logic, brightness control logic and DDC.
The Inverter board will provide the 12V DC-power to inverter/power board and main board. CCFL Drive. Flat Panel and CCFL backlight Inverter board Adapter AC-IN 100V-240V Main Board (Include: Audio board, keyboard) RS232 Connector For white balance adjustment in factory mode HOST Computer Video signal, DDC 15 The adapter will drive the backlight of panel. Monitor Block Diagram The LCD MONITOR will contain a main board (include: keypad board and audio board), an inverter board, adapter which house the flat panel control logic, brightness control logic and DDC.
AL1951 Service Guide
Page 49
... C442 0.001uF D406 BAV99 C441 0.001uF D407 BAV99 C440 0.001uF KEY_MENU KEY_RIGHT KEY_AUTO KEY_LEFT KEY_ONOFF D408 BAV99 C439 VCPU SW401 LCD ONOFF SW402 KEY LEFT 0.001uF SW403 SW404 KEY AUTO KEY RIGHT SW405 KEY MENU Title TSU56AK FOR ACER Size Document Number B MPU Date: Wednesday, January 19, 2005 Sheet 7 Rev D of 8 49
... C442 0.001uF D406 BAV99 C441 0.001uF D407 BAV99 C440 0.001uF KEY_MENU KEY_RIGHT KEY_AUTO KEY_LEFT KEY_ONOFF D408 BAV99 C439 VCPU SW401 LCD ONOFF SW402 KEY LEFT 0.001uF SW403 SW404 KEY AUTO KEY RIGHT SW405 KEY MENU Title TSU56AK FOR ACER Size Document Number B MPU Date: Wednesday, January 19, 2005 Sheet 7 Rev D of 8 49
AL1951 User's Guide
Page 1
TABLE OF CONTENTS FOR YOUR SAFETY 1 SAFETY PRECAUTIONS 2 SPECIAL NOTES ON LCD MONITORS 3 BEFORE YOU OPERATE THE MONITOR 3 FEATURES 3 PACKING LIST 3 INSTALLATION INSTRUCTIONS 4 CONTROLS AND CONNECTORS 5 ADJUSTING THE VIEWING ANGLE 6 OPERATING INSTRUCTIONS 7 GENERAL INSTRUCTIONS 7 HOW TO ADJUST A SETTING 9 ADJUSTING THE PICTURE 10-11 PLUG AND PLAY 12 TECHNICAL SUPPORT(FAQ 13-14 ERROR MESSAGE & POSSIBLE SOLUTION ------- 15 APPENDIX 16 SPECIFICATIONS 16-17 FACTORY PRESET TIMING TABLE 18 CONNECTOR PIN ASSIGNMENT 19 .
TABLE OF CONTENTS FOR YOUR SAFETY 1 SAFETY PRECAUTIONS 2 SPECIAL NOTES ON LCD MONITORS 3 BEFORE YOU OPERATE THE MONITOR 3 FEATURES 3 PACKING LIST 3 INSTALLATION INSTRUCTIONS 4 CONTROLS AND CONNECTORS 5 ADJUSTING THE VIEWING ANGLE 6 OPERATING INSTRUCTIONS 7 GENERAL INSTRUCTIONS 7 HOW TO ADJUST A SETTING 9 ADJUSTING THE PICTURE 10-11 PLUG AND PLAY 12 TECHNICAL SUPPORT(FAQ 13-14 ERROR MESSAGE & POSSIBLE SOLUTION ------- 15 APPENDIX 16 SPECIFICATIONS 16-17 FACTORY PRESET TIMING TABLE 18 CONNECTOR PIN ASSIGNMENT 19 .
AL1951 User's Guide
Page 4
... is displayed for hours. DVI Cable (only Dual-Input Model) 7. Power Cord 4. BEFORE YOU OPERATE THE MONITOR FEATURES • 48cm(19") TFT Color LCD Monitor • Crisp, Clear Display for hours. NOTES • Due to make sure the flicker disappears. • You may remain after switching the image... and then turn it on again to the nature of the fluorescent light, the screen may flicker during initial use . • The LCD screen has effective pixels of the previous screen may find slightly uneven brightness on the screen depending on the desktop pattern you use . Audio...
... is displayed for hours. DVI Cable (only Dual-Input Model) 7. Power Cord 4. BEFORE YOU OPERATE THE MONITOR FEATURES • 48cm(19") TFT Color LCD Monitor • Crisp, Clear Display for hours. NOTES • Due to make sure the flicker disappears. • You may remain after switching the image... and then turn it on again to the nature of the fluorescent light, the screen may flicker during initial use . • The LCD screen has effective pixels of the previous screen may find slightly uneven brightness on the screen depending on the desktop pattern you use . Audio...
AL1951 User's Guide
Page 5
... power cord is the correct type required in the bracket and on the underside of synthetic rubber according to monitor through the holes in your LCD monitor. NOTES A certified power supply cord has to IEC 60227 (designation H05VV-F 3G 0.75mm2 or H05VVH2-F2 3G 0.75mm2) shall be ... mounting bracket is sold separately. The ACpower cord may be considered. a b 4 Fighre b shows how the bracket should sit against the wall; This LCD monitor has an External universal power supply that is required.) 3. Place four screws into your PC, depending on how to attach the monitor to the...
... power cord is the correct type required in the bracket and on the underside of synthetic rubber according to monitor through the holes in your LCD monitor. NOTES A certified power supply cord has to IEC 60227 (designation H05VV-F 3G 0.75mm2 or H05VVH2-F2 3G 0.75mm2) shall be ... mounting bracket is sold separately. The ACpower cord may be considered. a b 4 Fighre b shows how the bracket should sit against the wall; This LCD monitor has an External universal power supply that is required.) 3. Place four screws into your PC, depending on how to attach the monitor to the...
AL1951 User's Guide
Page 7
ADJUSTING THE VIEWING ANGLE • For optimal viewing it , otherwise the machine may cause damage or break the LCD screen. • Careful attention is required not to catch your own preference. • Hold the stand so you do not topple the monitor when you ...change the angle. It may be over 15° when you change the angle. 6 Figure 2 NOTES • Do not touch the LCD screen when you change the monitor's angle. • You can adjust the angle of the monitor from -5° to 15°, but please notice that...
ADJUSTING THE VIEWING ANGLE • For optimal viewing it , otherwise the machine may cause damage or break the LCD screen. • Careful attention is required not to catch your own preference. • Hold the stand so you do not topple the monitor when you ...change the angle. It may be over 15° when you change the angle. 6 Figure 2 NOTES • Do not touch the LCD screen when you change the monitor's angle. • You can adjust the angle of the monitor from -5° to 15°, but please notice that...
AL1951 User's Guide
Page 17
APPENDIX SPECIFICATIONS Driving system TFT Color LCD LCD Panel Size 48cm(19") Pixel pitch 0.294mm( H )x 0.294mm( V ) Brightness 300cd/m2 (Typical) Contrast 700:1(Typical) Viewable angle 150° (H) 135° (V) Response time 8ms Video R,G,B ...
APPENDIX SPECIFICATIONS Driving system TFT Color LCD LCD Panel Size 48cm(19") Pixel pitch 0.294mm( H )x 0.294mm( V ) Brightness 300cd/m2 (Typical) Contrast 700:1(Typical) Viewable angle 150° (H) 135° (V) Response time 8ms Video R,G,B ...