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Chapter 3

Machine Disassembly and Replacement

Disassembly Procedure

Disassemble the base

1. Remove the neck cover.

2. Remove the four screws to release the hinge.

3. Remove the base

Disassemble the chassis

1. Remove the four screws to release the back cover.

2. Remove the two screws to release the EMI cover from chassis.

3. Remove the two screws from VGA connector.

4. Then take the chassis.

5. Remove the two screws from bezel.

6. To separate the chassis and bezel.

7. Remove the four screws from chassis and release the panel.

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Содержание AL1515

Страница 1: ... 1 AL1515 Service Guide Service guide files and updates are available on the CSD web for more information Please refer to http csd acer com tw ...

Страница 2: ...ect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose Any Acer Incorporated software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not Acer Incorporated its distributor of its dealer assumes the entire cost of all necessary servicing repair and any...

Страница 3: ...ing To better fit local market requirements and enhance product competitiveness your regional office MAY have decided to extend the functionality of a machine e g add on card modem or extra memory capability These LOCALIZED FEATURES will NOT be covered in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further t...

Страница 4: ...ed to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio TV technician for help Warning Use only shielded signal cables ...

Страница 5: ... your home consult your dealer or local power company The monitor is equipped with a three pronged grounded plug a plug with a third grounding pin This plug will fit only into a grounded power outlet as a safety feature If your outlet does not accommodate the three wire plug have an electrician install the correct outlet or use an adapter to ground the appliance safely Do not defeat the safety pur...

Страница 6: ...ay find slightly uneven brightness in the screen depending on the desktop pattern you use The LCD screen has effective pixels of 99 99 or more It may include blemishes of 0 01 or less such as a missing pixel or a pixel lit all of the time Due to the nature of the LCD screen an afterimage of the previous screen may remain after switching the image when the same image is displayed for hours In this ...

Страница 7: ...8 Chapter 2 Operating Instruction 30 CONTROLS 30 MAIN OSD MENU 31 OSD MESSAGE 33 PLUG AND PLAY 35 WHITE COLOR TEMPERATURE 36 AUDIO TECHNICAL SPECIFICATION FOR AL1515 m ONLY 36 SPEAKERS 37 Chapter 3 Machine Disassembly and Replacement 38 DISASSEMBLY PROCEDURE 38 Chapter 4 Troubleshooting 41 TROUBLESHOOTING 41 Chapter 5 Connector Information 45 CONNECTOR INFORMATION 45 Chapter 6 FRU List 46 FRU Fiel...

Страница 8: ... power management and plug play function There is a build in stereo audio amplifier with volume control to drive a pair of speakers Description The LCD monitor is designed with the latest LCD technology to provide a performance oriented product with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditi...

Страница 9: ...ettings User brightness control Maximum unless otherwise specified User contrast control Typical unless otherwise specified User red white balance Green white balance and Blue white balance control In the center unless otherwise specified Power input 110Vac or 230Vac Ambient temperature 20 5 C 68 9 F Analog input mode 1024 x768 60 Hz MEASUREMENT SYSTEMS The units of measure stated in this document...

Страница 10: ...mp Current 6 0 mA rms typical 6 5 mA rms typical 8 mA rms typical Viewing Angle Vertical 55 45 Horizontal 65 65 Vertical 55 45 Horizontal 65 65 Vertical 55 45 Horizontal 65 65 Display size 304mm H 228mm V Display mode VGA 720 400 70 Hz VGA 640 480 60 66 70 72 75 Hz SVGA 800 600 60 70 72 75 Hz XGA 1024 768 60 70 75 Hz Pc interface 1 Video RGB analog 0 7V peak to peak Sync TTL positive or negative S...

Страница 11: ...nc input Signal separate horizontal and vertical sync or composite sync which are TTL compatible Polarity positive and negative Interface frequency The following frequency range is generalized by supported timing If the entered mode does not match the supported timing the display optimization will not be assured Horizontal Frequency 24KHz 61KHz Vertical Frequency 56Hz 75Hz ...

Страница 12: ...2 VGA 400 TEXT 70 087 449 400 2 12 35 832x624 49 725 1152 832 64 32 224 57 2832 APPLE MAC 800 74 55 667 624 3 1 39 800x600 35 156 1024 800 72 24 128 36 SVGA 56 25 625 600 2 1 22 800x600 37 879 1056 800 128 40 88 40 VESA 600 60Hz 60 317 628 600 4 1 23 800x600 48 077 1040 800 120 56 64 50 VESA 600 72Hz 72 188 666 600 6 37 23 800x600 46 875 1056 800 80 16 160 49 5 VESA 600 75Hz 75 625 600 3 1 21 1024...

Страница 13: ...onnector Analog Video input Connector 15pins mini D Sub Table 2 4 5 Pin assignment for D sub connector PIN NO Separate Sync 1 RED VIDEO 2 GREEN VIDEO 3 BLUE VIDEO 4 GROUND 5 GROUND 6 RED GROUND 7 GREEN GROUND 8 BLUE GROUND 9 PC5V 5V DDC 10 CABLE DETECTION 11 GROUND 12 SDA 13 H SYNC 14 V SYNC 15 SCL 15 10 5 1 6 11 D sub connector Color of plastic parts Blue PC99 ...

Страница 14: ...board key board and internal adapter which house the flat panel control logic brightness control logic and DDC The inverter board will drive the backlight of panel and the DC DC conversion The Adapter will provide thr 12V DC power to inverter power board Power board include AC DC inverter ...

Страница 15: ... 15 BLOCK DIAGRAM System Block Diagram MCU ...

Страница 16: ...onent LABEL Component U1 24LC21 CN1 D SVB 15 PIN U2 MV4 TL 2 4300 13 U3 MX810TR U4 MX10E8050IQC 4 CN6 P TWO AF740B40P U5 24LC16B 5 E T 3950 20 U7 AIC 1084 U8 APL1117 CN7 E T 4500 06 U301 LM4838 CN301 SC SCJ368R1NXS0U04 CN300 E T 4500 02 ...

Страница 17: ... 17 Software flow chart ...

Страница 18: ...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 the monitor position The power indicator will light up AL1515 m AL1515 External Controls 1 Auto Adjust Key Exit 4 MENU ENTER 2 Volume 5 LED 3 Volume 6 Power Key ...

Страница 19: ...PC Make sure connections are secure Connecting the AC Power Connect the power cord to the LCD Monitor Connect the power cord to an AC power source Connecting the Audio Cable For AL1515 m and AL1515 bm Connect the audio cable to the LINE OUT jack on your PC s audio card or to the front panel s AUDIO OUT jack of your CD ROM drive Connect the other end of the audio cable to the LCD Monitor s AUDIO IN...

Страница 20: ...een front bezel and back cover shall be within specification Top and Bottom Left and Right Back cover Bezel concavity Back cover Bezel concavity 0 8mm A 1 3 mm 0 8mm A 1 3 mm Back Cover Hinge Cover concavity 0mm B 0 5mm ...

Страница 21: ... 21 Base Neck concavity 0mm C 0 6mm Top and Bottom Left and Right Back cover Bezel step Back cover Bezel step 0mm D 0 8 mm 0mm D 0 8 mm ...

Страница 22: ... 22 LCD Horizontally The angle between front bezel and LCD unit in bottom side should not large than 1 0mm The distance of the LCD display unit from left side to right should not large than 4 0mm ...

Страница 23: ...up 15 2 down 5 2 Plastic Material For TCO99 Front Bezel PC ABS Back Cover PC ABS The Others ABS 94HB For MPRII Front Bezel ABS 94V 0 Back Cover ABS 94V 0 The Others ABS 94HB GAP Spec Gap between panel with bezel is 0 mm gap 1 2 mm ...

Страница 24: ...e Protection function auto recovery type It includes OPP SCP Interface Signals Input 1 AC Inlet HUAJIE SA 4S 066 or compatible Output Connector Pin Assignment 1 The connecter was pitch 2 0mm cable length was 125mm PIN NO Function Function 1 5V 5V supply for logic board 2 5V 5V supply for logic board 3 GND Ground 4 GND Ground 5 VEN Enable signal for inverter Low active 1V 6 VBRI Brightness signal f...

Страница 25: ...tart up of Inrush Current Power board off keep over 1 hour and Ta 25 degree C AC DC Output Specification Tolerance Output Current Output Voltage MIN MAX Voltage Tolerance 5Vdc 5 3 0 05A 1 5A 4 85 5 25V dc 12Vdc 25 5 0A 1 5A 11 4 15Vdc Ripple 1 5Vdc 50mVp p 12Vinv 120mVp p Noise 1 Measured at DC output terminals which are paralleled with a 10uf Ecap 0 1uf Ceramic cap 2 Band width is limited within ...

Страница 26: ...ance 55 Output Voltage Vin 12 Iout 6 5mA 750 Vrms HSD150SX84 B 200 250 Brightness HSD150SX84 D 175 200 Cd m Output Current Each connector Vbri 0 5 3 2V 3 6 5 7 mA Frequency 40 50 70 KHz Open Lamp Voltage 1350 Vrms Striking Time 1 0 S Lamp Current Balance 0 3 mA Efficiency Vin 12V 80 Operating Life Time 30000 Hr The open lamp voltage is testes at output connector terminal Life time Hr can be define...

Страница 27: ...nector Vbri 0 5 3 2V 4 8 9 mA Frequency 40 50 70 KHz Open Lamp Voltage 1350 Vrms Striking Time 1 0 S Lamp Current Balance 0 3 mA Efficiency Vin 12V 80 Operating Life Time 30000 Hr The open lamp voltage is testes at output connector terminal Life time Hr can be defined as the time in which it continues to operate under the condition Ta 25 3 C IL 8 0Ma ms and fL 30 KHz until one of the following eve...

Страница 28: ...tage at 0 C 1100 Vrms Striking Time 1 0 S Lamp Current Balance 0 3 mA Efficiency Vin 12V 80 Operating Life Time 40000 Hr The open lamp voltage is testes at output connector terminal Life time Hr 1 Specified values are for a single lamp When the brightness becomes 50 2 The life is determined as the time at which brightness of the lamp is 50 compared to that of initial value at the typical lamp curr...

Страница 29: ...ED 5S Switch off 3 W Dark LED SYNC On means Normal operation SYNC Off means H sync F 10KHz duty cycle 25 V sync F 10Hz duty cycle 25 CONNECTORS CONTROLS Connectors Power Monitor rear side AC Inlet Analog RGB Monitor rear side Data Cable 15 pin D sub female male Pin Assignment of 15 pin D sub 1 Red Video 9 5V FOR DDC 2 Green Video 10 Detect 3 Blue Video 11 Serial Data for ISP 4 Serial Clock for ISP...

Страница 30: ...st increase Function select Adjust decrease Function select 5 Auto adjustment Buttons Note 1 Press button 4 plus or minus at the same time can activate Volume Adjustment 2 When OSD Menu is off press button 5 auto at the same time can activate Auto Adjustment immediately 3 When into Factory mode press 4 plus minus and 1 power together 2 seconds at same time 5 When into Burning mode press 5 menus 1 ...

Страница 31: ...htness Value Focus Adjust Picture Phase to reduce Horizontal Line noise 0 100 Do Auto Config Clock Adjust picture Clock to reduce Vertical Line noise 0 100 Do Auto Config H Position Adjust the horizontal position of the picture 0 100 Do Auto Config V Position Adjust the verticalposition of the picture 0 100 Do Auto Config Warm N A Recall Warm Color Temperature from EEPROM N A Cool N A Recall Cool ...

Страница 32: ...display language to Italian N A 简体中文 N A Set OSD display language to Simplified Chinese N A 日本語 N A Set OSD display language to Japanese N A The Language will be set to English H Position Adjust the horizontal position of the OSD 0 100 50 V Position Adjust the verticalposition of the OSD 0 100 50 OSD Timeout Adjust the OSD timeout 10 120 10 Auto Config N A Auto Adjust the H V Position Focus and Cl...

Страница 33: ...OSD Message Item Description Auto Config Please Wait When User Press Hot Key Auto will show this message and the monitor do the auto config function Input Not Supported When the Hsync Frequency Vsync Frequency or Resolution is out of the monitor support range will show this message This message will be flying Cable Not Connected When the video cable is not connected will show this message This mes...

Страница 34: ...ess and Contrast value to Max 2 Auto Balance Adjust each R G B contrast gain and offset Method of auto adjust is depends on hardware Adjusted value of R G B gain shall be used for initial value of Contrast in user menu All value shall be adjustable manually This function shall be located in 3 tag of Factory menu 3 Factory color temp data edit Following data for color temp shall be editable manuall...

Страница 35: ...sent When there is no video input signal this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off The display is restore...

Страница 36: ... 0 469 u v 0 01 User TCO 0X A 2 6 1 requirement User should follow Microsoft Windows Color Quality Specification for Liquid Crystal Display OEM s http www microsoft com hwdev tech color ColorTest asp Audio Technical specification For AL1515 m only General Description Output power 1W 1W maximum Total harmonic distortion Less than 1 except speakers distortion Input signal sensitivity 0 5 Vrms for fu...

Страница 37: ...ms 300Hz 20KH z 10dB 10d B Volume Max load 4 Ω Signal to Noise ratio 500m Vrms 1KHz 40dB Volume Max load 4 Ω Total harmonic distortion 500m Vrms 1KHz 1 except speakers distortion Cross talk 500m Vrms 1KHz 30dB Volume Max load 4 Ω Output Watt 500m Vrms 1KHz 0 5W Volume Max load 4 Ω Volume Control Analog Speakers Maximum power 2 W per speaker max Impedance 4 ohm 15 1kHz 1 0Hz Frequency response rang...

Страница 38: ...hinge 3 Remove the base Disassemble the chassis 1 Remove the four screws to release the back cover 2 Remove the two screws to release the EMI cover from chassis 3 Remove the two screws from VGA connector 4 Then take the chassis 5 Remove the two screws from bezel 6 To separate the chassis and bezel 7 Remove the four screws from chassis and release the panel ...

Страница 39: ...e three screws from Chassis and release the main board Disassemble the power board 1 Disassemble two voltage lines from power board 2 Remove the one screw to release line from Chassis 3 Remove the three screws from Chassis 4 Remove the two screws to release power board from Chassis 5 Then take the power board from the chassia Disassemble the key board 1 Remove the one screw to release VK board fro...

Страница 40: ...40 Disassemble the speakers 1 Remove the two screws to release line and VK board from bezel 2 Remove the two screws to release line and chassis from bezel 3 Remove the four screws from bezel ...

Страница 41: ...41 Chapter 4 Troubleshooting Main Procedure ...

Страница 42: ...42 Power Circuit and Backlights Troubleshooting ...

Страница 43: ...43 Performance Troubleshooting ...

Страница 44: ...44 Function Troubleshooting ...

Страница 45: ...nnector Analog Video input Connector 15pins mini D Sub Table 2 4 5 Pin assignment for D sub connector PIN NO Separate Sync 1 RED VIDEO 2 GREEN VIDEO 3 BLUE VIDEO 4 GROUND 5 GROUND 6 RED GROUND 7 GREEN GROUND 8 BLUE GROUND 9 PC5V 5V DDC 10 CABLE DETECTION 11 GROUND 12 SDA 13 H SYNC 14 V SYNC 15 10 5 1 6 11 15 SCL J1 PHONEJACK STEREO 1 2 3 ...

Страница 46: ...com tw spl For whatever reasons a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED CERVICE PROVIDERS your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional Acer office to order FRU parts repair and service of customer machines NOTE T...

Страница 47: ...47 Model AL1515 ...

Страница 48: ...48 Model AL1515 m ...

Страница 49: ...49 Part list No Photo Part Name Vender Part No 1 Hinge Cover FAAR7721000 2 Base Assy FAAR5517000 3 Rear Cover FAAR551A000 4 Base FAAR5518000 5 Neck FAAR7713000 6 Main Shield EEAR5512000 ...

Страница 50: ...50 7 MB 451AAV30001 8 Inverter Board 453AAT30021 9 Front Bezel FAAR5516000 10 Speaker R CG10021V930 11 Speaker L CG10021V930 12 Frame ECAR5511000 ...

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