AL922 Monitor Service Guide
Page 1
... Assignment ...25 4.5 Switch definition...26 4.6 LED definition...26 5. ELECTRICAL REQUIREMENTS ...4 2.1 Standard Test Conditions...4 2.2 Lcd Monitor General Specification...4 2.3 Lcd Panel Specification ...5 2.4 Input Signals ...11 2.5 Controls ...15 2.6 White Color Temperature ...17 2.7 Power Supply ...... 3.5 Connector Type...22 3.6 Connector Pin Assignment...22 4. TROUBLESHOOTING ...31 7.1 Main Procedure ...31 8. AL 922 TFT LCD MONITOR CONTENTS 1. INTRODUCTION ...3 1.1 Scope...3 1.2 Description...3 2. INVERTER BOARD...27 5.1 Description...27 5.2 Electrical characteristics ...27 5.3...
... Assignment ...25 4.5 Switch definition...26 4.6 LED definition...26 5. ELECTRICAL REQUIREMENTS ...4 2.1 Standard Test Conditions...4 2.2 Lcd Monitor General Specification...4 2.3 Lcd Panel Specification ...5 2.4 Input Signals ...11 2.5 Controls ...15 2.6 White Color Temperature ...17 2.7 Power Supply ...... 3.5 Connector Type...22 3.6 Connector Pin Assignment...22 4. TROUBLESHOOTING ...31 7.1 Main Procedure ...31 8. AL 922 TFT LCD MONITOR CONTENTS 1. INTRODUCTION ...3 1.1 Scope...3 1.2 Description...3 2. INVERTER BOARD...27 5.1 Description...27 5.2 Electrical characteristics ...27 5.3...
AL922 Monitor Service Guide
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... with no radiation. INTRODUCTION 1.1 Scope This specification defines the requirements for the 19" MICRO-PROCESSOR based Multimode supported high resolution color LCD monitor, This monitor can be directly connected to drive a pair of optional special display card. This will alleviate the growing health concerns. It also... plug & play function. 1. It is also a space saving design, allowing 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 general 15 pin D-sub VGA connector and...
... with no radiation. INTRODUCTION 1.1 Scope This specification defines the requirements for the 19" MICRO-PROCESSOR based Multimode supported high resolution color LCD monitor, This monitor can be directly connected to drive a pair of optional special display card. This will alleviate the growing health concerns. It also... plug & play function. 1. It is also a space saving design, allowing 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 general 15 pin D-sub VGA connector and...
AL922 Monitor Service Guide
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.../60 Hz 2.1.1 MEASUREMENT SYSTEMS The units of LCD panel 30 minutes 5 seconds Chroma 2250 signal generator or equivalent, directly Control settings User brightness control: User contrast control: Connected to the monitor under the following conditions, unless otherwise specified. ELECTRICAL...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). FUJITSU FLC48SXC8V Display size : 376.32mm(H) x 301.056mm(V) Display mode : VGA 720 X 400 (70 Hz) VGA 640 X 480 (60/66...
.../60 Hz 2.1.1 MEASUREMENT SYSTEMS The units of LCD panel 30 minutes 5 seconds Chroma 2250 signal generator or equivalent, directly Control settings User brightness control: User contrast control: Connected to the monitor under the following conditions, unless otherwise specified. ELECTRICAL...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). FUJITSU FLC48SXC8V Display size : 376.32mm(H) x 301.056mm(V) Display mode : VGA 720 X 400 (70 Hz) VGA 640 X 480 (60/66...
AL922 Monitor Service Guide
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...; Polarity • Amplitude • Display Color Analog R, G, B., Digital TMDS 75 ohm +/- 2% Positive 0 - 0.7 +/- 0.05 Vp same as LCD panel 2.4.2 Sync input • Signal • Polarity separate horizontal and vertical sync, or composite sync which are TTL compatible positive and negative. 2.4.3 Interface frequency The... optimization will not 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...
...; Polarity • Amplitude • Display Color Analog R, G, B., Digital TMDS 75 ohm +/- 2% Positive 0 - 0.7 +/- 0.05 Vp same as LCD panel 2.4.2 Sync input • Signal • Polarity separate horizontal and vertical sync, or composite sync which are TTL compatible positive and negative. 2.4.3 Interface frequency The... optimization will not 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...
AL922 Monitor Service Guide
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...control board is design to directly convert the analog RGB signals from standard VGA display card to optimum LCD timing signals so as to construct a high display quality LCD monitor. 3.2 Features • On board embedded micro-processor to detect display timings and control user functions.... • Using Genesis gm5120 design to generate optimum LCD timings. 2 • Using E PROM to memorize every adjusted parameter. •...
...control board is design to directly convert the analog RGB signals from standard VGA display card to optimum LCD timing signals so as to construct a high display quality LCD monitor. 3.2 Features • On board embedded micro-processor to detect display timings and control user functions.... • Using Genesis gm5120 design to generate optimum LCD timings. 2 • Using E PROM to memorize every adjusted parameter. •...
AL922 Monitor Service Guide
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... CABLE 1 ET.92202.001/1009 LAM999F1002/1009 CABLE 1 ET.92202.1005 LAM999F1005 CABLE 1 ET.92202.1005 LAM999F1009 CABLE 1 ET.92202.1009 LAM999F1009 CABLE LCD NET WIR SET KEY BOARD CABLE CABLE SINGLE CABLE SINGLE CABLE POWER CORD POWER CORD POWER CORD POWER CORD NET WIR SET H-CON SET CB... NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO. FRU BOM LIST Product Line: Monitor System Product Family: System Model:ABO_AL922(ET.92202.00X),X=1,4,5,9. LEVEL Acer F/G P/N Compal F/G P/N CATEGORY 1 ET.92202.001/004/005/009 LAM999F1002/1004/1005/1009 BOARDS 1 ET.92202.001/004/005/...
... CABLE 1 ET.92202.001/1009 LAM999F1002/1009 CABLE 1 ET.92202.1005 LAM999F1005 CABLE 1 ET.92202.1005 LAM999F1009 CABLE 1 ET.92202.1009 LAM999F1009 CABLE LCD NET WIR SET KEY BOARD CABLE CABLE SINGLE CABLE SINGLE CABLE POWER CORD POWER CORD POWER CORD POWER CORD NET WIR SET H-CON SET CB... NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO. FRU BOM LIST Product Line: Monitor System Product Family: System Model:ABO_AL922(ET.92202.00X),X=1,4,5,9. LEVEL Acer F/G P/N Compal F/G P/N CATEGORY 1 ET.92202.001/004/005/009 LAM999F1002/1004/1005/1009 BOARDS 1 ET.92202.001/004/005/...
AL922 User Guide
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... Any changes or modifications not expressly approved by any mechanical, electronic or other means, in setting up and using the LCD Monitor. however, no guarantee that only the supplied signal cord be determined by turning the equipment off and on, the user...subject to change without prior written permission of the manufacturer. These limits are reserved. AL922 User's Manual Table of Contents Preface ...1 Chapter 1 Installation...2 Unpacking ...2 Viewing Angle Adjustment...2 Detaching LCD Monitor from that to which can radiate radio frequency energy, and if not installed and ...
... Any changes or modifications not expressly approved by any mechanical, electronic or other means, in setting up and using the LCD Monitor. however, no guarantee that only the supplied signal cord be determined by turning the equipment off and on, the user...subject to change without prior written permission of the manufacturer. These limits are reserved. AL922 User's Manual Table of Contents Preface ...1 Chapter 1 Installation...2 Unpacking ...2 Viewing Angle Adjustment...2 Detaching LCD Monitor from that to which can radiate radio frequency energy, and if not installed and ...
AL922 User Guide
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...° ~ 60°C (or -4° ~ 140°F). Power off LCD Monitor and unplug the AC Cord. -- Figure 1-2 2 To clean LCD Monitor screen; -- Do not place the LCD Monitor near a wall power outlet. Store LCD Monitor in the box: * LCD Monitor * User's Manual * 1.8M Monitor-to-PC VGA Cable * AC Adapter * 1.8M Monitor-to ensure that any nature should be adjusted from Its...
...° ~ 60°C (or -4° ~ 140°F). Power off LCD Monitor and unplug the AC Cord. -- Figure 1-2 2 To clean LCD Monitor screen; -- Do not place the LCD Monitor near a wall power outlet. Store LCD Monitor in the box: * LCD Monitor * User's Manual * 1.8M Monitor-to-PC VGA Cable * AC Adapter * 1.8M Monitor-to ensure that any nature should be adjusted from Its...
AL922 User Guide
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AL922 User's Manual Interface for adding protection against power surges to prevent the errects ...-core video cable is included in Figure 1-3. Sudden power surges may damage your computer. 2. Connect the audio cable to the LCD Monitor's " LINE IN " jack. Make sure connection are secure. Figure 1-6 Warning:We recommand to install a "Surge Protector"... pitches threaded nuts, as well as four 5 mm access holes in the plastic covering as illustrated in the LCD Monitor package. Figure 1-4 Figure 1-5 Attention: This device must be in compliance with FCC regulations. Place the signal cable...
AL922 User's Manual Interface for adding protection against power surges to prevent the errects ...-core video cable is included in Figure 1-3. Sudden power surges may damage your computer. 2. Connect the audio cable to the LCD Monitor's " LINE IN " jack. Make sure connection are secure. Figure 1-6 Warning:We recommand to install a "Surge Protector"... pitches threaded nuts, as well as four 5 mm access holes in the plastic covering as illustrated in the LCD Monitor package. Figure 1-4 Figure 1-5 Attention: This device must be in compliance with FCC regulations. Place the signal cable...
AL922 User Guide
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... power switch to scroll through detecting a horizontal or vertical sync. LED lights Green color --- When the LCD Monitor is OFF. Turn on the LCD monitor's hard power switch, located on all LCD Monitor function controls and indicators: 1 Stereo Speakers 2 Speaker Volume Control 3 Soft Power Switch 4 DC Power-On... 5 Function Select Buttons 6 Adjustment Control Buttons 7 External Headphone Jack Figure 2-1 PC Audio Stereo output. Turn on the LCD Monitor's soft power switch, located on OSD menu, designed for OSD (On Screen Display) menu selection. LED lights Yellow ---
... power switch to scroll through detecting a horizontal or vertical sync. LED lights Green color --- When the LCD Monitor is OFF. Turn on the LCD monitor's hard power switch, located on all LCD Monitor function controls and indicators: 1 Stereo Speakers 2 Speaker Volume Control 3 Soft Power Switch 4 DC Power-On... 5 Function Select Buttons 6 Adjustment Control Buttons 7 External Headphone Jack Figure 2-1 PC Audio Stereo output. Turn on the LCD Monitor's soft power switch, located on OSD menu, designed for OSD (On Screen Display) menu selection. LED lights Yellow ---
AL922 User Guide
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... MAC-800 -/- PROBLEM Picture is unclear and unstable The picture is unclear and unstable, please perform the following steps: 1. PROBLEM There is no picture on LCD Monitor If you 're in the Standard Timing Table or replace the VGA card, and then repeat steps 1 and 2. VESA - 480 - 72Hz -/- VESA - 480 - ...65.000 71.664 75.000 78.750 80.00 108 135 -/- If there are secured, and the system is running on timing. 2. AL922 User's Manual Standard Timing Table If the selected timing is NOT included in the market, users may initially experience an unstable or unclear display ...
... MAC-800 -/- PROBLEM Picture is unclear and unstable The picture is unclear and unstable, please perform the following steps: 1. PROBLEM There is no picture on LCD Monitor If you 're in the Standard Timing Table or replace the VGA card, and then repeat steps 1 and 2. VESA - 480 - 72Hz -/- VESA - 480 - ...65.000 71.664 75.000 78.750 80.00 108 135 -/- If there are secured, and the system is running on timing. 2. AL922 User's Manual Standard Timing Table If the selected timing is NOT included in the market, users may initially experience an unstable or unclear display ...