AL922 Monitor Service Guide
Page 1
......11 2.5 Controls ...15 2.6 White Color Temperature ...17 2.7 Power Supply ...18 2.8 Plug & Play(Edid)...18 2.9 Audio Technical Specification ...19 3. VK901 Control Panel Board ...25 4.1 Description...25 4.2 Connector and Switch Locations ...25 4.3 Connector type ...25 4.4 Connector pin Assignment ...25... 4.5 Switch definition...26 4.6 LED definition...26 5. AL 922 TFT LCD MONITOR CONTENTS 1. VL-901 DISPLAY CONTROL BOARD...20 3.1 Description...20 3.2 Features ...20 3.3 Block Diagram ...21 3.4 Connector Locations...22 3.5 ...
......11 2.5 Controls ...15 2.6 White Color Temperature ...17 2.7 Power Supply ...18 2.8 Plug & Play(Edid)...18 2.9 Audio Technical Specification ...19 3. VK901 Control Panel Board ...25 4.1 Description...25 4.2 Connector and Switch Locations ...25 4.3 Connector type ...25 4.4 Connector pin Assignment ...25... 4.5 Switch definition...26 4.6 LED definition...26 5. AL 922 TFT LCD MONITOR CONTENTS 1. VL-901 DISPLAY CONTROL BOARD...20 3.1 Description...20 3.2 Features ...20 3.3 Block Diagram ...21 3.4 Connector Locations...22 3.5 ...
AL922 Monitor Service Guide
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... play function. There is a build-in addition MTBF target is 20k hours or more desktop space, and comparing to the traditional CRT monitor, it consumes less power and gets less weight in stereo audio amplifier with volume control to drive a pair of optional special display card... technology to general 15 pin D-sub VGA connector and DVI-D digital connector, eliminates the requirement of speakers. 1.2 Description The LCD monitor is also a space saving design, allowing more . 3 This will alleviate the growing health concerns. INTRODUCTION 1.1 Scope This specification defines the requirements...
... play function. There is a build-in addition MTBF target is 20k hours or more desktop space, and comparing to the traditional CRT monitor, it consumes less power and gets less weight in stereo audio amplifier with volume control to drive a pair of optional special display card... technology to general 15 pin D-sub VGA connector and DVI-D digital connector, eliminates the requirement of speakers. 1.2 Description The LCD monitor is also a space saving design, allowing more . 3 This will alleviate the growing health concerns. INTRODUCTION 1.1 Scope This specification defines the requirements...
AL922 Monitor Service Guide
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...12v' + 9] y = (3v')/[(9u'/2) - 12v' + 9] nits = cd/(m2) = Ft-L x 3.426 lux = foot-candle x 10.76 2.2 LCD monitor General specification Panel Type : 19 " active matrix color TFT LCD 1). Minolta CA100 photometer, or equivalent Maximum (unless otherwise specified ) Typical (unless otherwise specified ) User red/white balance, Green... generator or equivalent, directly Control settings User brightness control: User contrast control: Connected to the monitor under the following conditions, unless otherwise specified. ELECTRICAL REQUIREMENTS 2.1 Standard Test Conditions All tests shall...
...12v' + 9] y = (3v')/[(9u'/2) - 12v' + 9] nits = cd/(m2) = Ft-L x 3.426 lux = foot-candle x 10.76 2.2 LCD monitor General specification Panel Type : 19 " active matrix color TFT LCD 1). Minolta CA100 photometer, or equivalent Maximum (unless otherwise specified ) Typical (unless otherwise specified ) User red/white balance, Green... generator or equivalent, directly Control settings User brightness control: User contrast control: Connected to the monitor under the following conditions, unless otherwise specified. ELECTRICAL REQUIREMENTS 2.1 Standard Test Conditions All tests shall...
AL922 Monitor Service Guide
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... be assured. • Horizontal Frequency 24KHz --80KHz(analog), 31.5- 80KHz(digital) • Vertical Frequency 56Hz ---------75Hz DISPLAY MODES MONITOR MODE NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 SCREEN RESOLUTION 640x350 640X400 640X400 640X400 640X480 640X480 640X480 640X480 720X400 832X624 800X600 800X600 800X600 800X600 1024X768 1024X768... 56.25+ 60.0 + 72.18 + 75.0+ 60.0 66.13 + 70.07 75.0 + 75.0260.0 + 75.0 + VIDEO CLK STANDARD (MHz) 25.0 21.05 25.0 25.19 25.0 30.24 31.5 31.5 28.0 57.28 36.0 40.0 50.0 49.5 65.0 71.66 75.0 78.75 80.0 108.5 135.0 VGA NEC VGA NEC...
... be assured. • Horizontal Frequency 24KHz --80KHz(analog), 31.5- 80KHz(digital) • Vertical Frequency 56Hz ---------75Hz DISPLAY MODES MONITOR MODE NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 SCREEN RESOLUTION 640x350 640X400 640X400 640X400 640X480 640X480 640X480 640X480 720X400 832X624 800X600 800X600 800X600 800X600 1024X768 1024X768... 56.25+ 60.0 + 72.18 + 75.0+ 60.0 66.13 + 70.07 75.0 + 75.0260.0 + 75.0 + VIDEO CLK STANDARD (MHz) 25.0 21.05 25.0 25.19 25.0 30.24 31.5 31.5 28.0 57.28 36.0 40.0 50.0 49.5 65.0 71.66 75.0 78.75 80.0 108.5 135.0 VGA NEC VGA NEC...
AL922 Monitor Service Guide
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Pin assignment for DVI-D (24pin) connector Pin - Assignment of DVI -D connector : 1 TX2- 9 TX1- 17 TX0- 2 TX2+ 10 TX1+ 18 TX0+ 3 Shield (TX2 / TX4) 11 Shield (TX1 / TX3) 19 Shield (TX0 / TX5) 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC-Serial Clock 14 +5V power *) 22 Shield (TXC) 7 DDC-Serial Data 15 Ground (+5V) 23 TXC+ 8 No Connect 16 Hot plug detect 24 TXC- *) In case, the power of the PC unit is switched off and the power of the monitor is switched on, no voltage may occur at pin 14. 14 Digital Video input Connector: DVI-D (T.B.D) Table 4-3-3.
Pin assignment for DVI-D (24pin) connector Pin - Assignment of DVI -D connector : 1 TX2- 9 TX1- 17 TX0- 2 TX2+ 10 TX1+ 18 TX0+ 3 Shield (TX2 / TX4) 11 Shield (TX1 / TX3) 19 Shield (TX0 / TX5) 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC-Serial Clock 14 +5V power *) 22 Shield (TXC) 7 DDC-Serial Data 15 Ground (+5V) 23 TXC+ 8 No Connect 16 Hot plug detect 24 TXC- *) In case, the power of the PC unit is switched off and the power of the monitor is switched on, no voltage may occur at pin 14. 14 Digital Video input Connector: DVI-D (T.B.D) Table 4-3-3.
AL922 Monitor Service Guide
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3.6.4 J1 Pin NO. 1 2 3 4 5 6 7 8 9 10 Signal NC LED-Y LED-G GND KEY-POWER KEY-DOWN KEY-R KEY-L KEY-UP GND Comment NC Power saving mode Monitor is ON GND Power ON/OFF key Function select counter-clockwise key Adjust up key Adjust down key Function select counter-clockwise key GND 3.6.5 CN1 ... Connector: DVI-D Pin-Assignment of DVI-D(24 pin) connector 1 TX2- 9 TX1- 17 TX0- 2 TX2+ 10 TX1+ 18 TX0+ 3 Shield (TX2 / TX4) 11 Shield (TX1 / TX3) 19 Shield (TX0 / TX5) 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC-Serial Clock 14 -5V Power *) 22 Shield (TXC) 7 DDC-Serial Data...
3.6.4 J1 Pin NO. 1 2 3 4 5 6 7 8 9 10 Signal NC LED-Y LED-G GND KEY-POWER KEY-DOWN KEY-R KEY-L KEY-UP GND Comment NC Power saving mode Monitor is ON GND Power ON/OFF key Function select counter-clockwise key Adjust up key Adjust down key Function select counter-clockwise key GND 3.6.5 CN1 ... Connector: DVI-D Pin-Assignment of DVI-D(24 pin) connector 1 TX2- 9 TX1- 17 TX0- 2 TX2+ 10 TX1+ 18 TX0+ 3 Shield (TX2 / TX4) 11 Shield (TX1 / TX3) 19 Shield (TX0 / TX5) 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC-Serial Clock 14 -5V Power *) 22 Shield (TXC) 7 DDC-Serial Data...
AL922 Monitor Service Guide
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...001/004/005/009 LAM999F1002/1004/1005/1009 ASSEMBLY HINGE LCD COVER LCD BEZEL A'SSY (ACER) CHASSIS EMI COVER STAND NECK(BASE) HINGE 1 ET.92202.001/004/005/009 LAM999F1002/1004/1005/1009 LCD FLC48SXC8V 19" FUJ FLC48SXC8V 19" FUJ 3 ET.92202.001/004/005/009 LAM999F1002/1004/1005/1009 PCB COMPONENT 3.../005/009 LAM999F1002/1004/1005/1009 BOARDS 1 ET.92202.001/004/005/009 LAM999F1002/1004/1005/1009 BOARDS PARTNAME INVERTER/POWER BOARD DESCRIPTION ACER PART Compal PART Common/ NO. FRU BOM LIST Product Line: Monitor System Product Family: System Model:ABO_AL922(ET.92202.00X),X=1,4,5,9.
...001/004/005/009 LAM999F1002/1004/1005/1009 ASSEMBLY HINGE LCD COVER LCD BEZEL A'SSY (ACER) CHASSIS EMI COVER STAND NECK(BASE) HINGE 1 ET.92202.001/004/005/009 LAM999F1002/1004/1005/1009 LCD FLC48SXC8V 19" FUJ FLC48SXC8V 19" FUJ 3 ET.92202.001/004/005/009 LAM999F1002/1004/1005/1009 PCB COMPONENT 3.../005/009 LAM999F1002/1004/1005/1009 BOARDS 1 ET.92202.001/004/005/009 LAM999F1002/1004/1005/1009 BOARDS PARTNAME INVERTER/POWER BOARD DESCRIPTION ACER PART Compal PART Common/ NO. FRU BOM LIST Product Line: Monitor System Product Family: System Model:ABO_AL922(ET.92202.00X),X=1,4,5,9.