Acer AL1717 Page 36 Service Manual Download

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Drop Test Sequence

Drop Order

Drop point

Drop Times

Right Front Bottom Corner

Right Bottom Edge

3 Right

Front

Edge

Front Bottom Edge

5 Bottom

Side

6 Top

Side

7 Front

Side

8 Back

Side

9 Left

Side

10 Right

Side

Dimension Size and Weight

Dimension size

377 (W) x 389 (H) x 163 (D)

Net Weight

4.5±0.5Kg

Gross Weight

6.5±0.5Kg

Summary of Contents for AL1717

Page 1: ... 1 Acer AL1717 Service Guide Service guide files and updates are available on the CSD web for more information Please refer to http csd acer com tw ...

Page 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...

Page 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...

Page 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 ...

Page 5: ...ur home consult your dealer or local power company z 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 purp...

Page 6: ...ay find slightly uneven brightness in the screen depending on the desktop pattern you use z 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 z 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 t...

Page 7: ...pter 1 Monitor Feature 8 Chapter 2 Operating Instruction 27 Chapter 3 Machine Disassembly and Replacement 35 Chapter 4 Troubleshooting 48 Chapter 5 Connector Information 52 Chapter 6 FRU List 53 Chapter 7 Schematic Diagram 63 ...

Page 8: ...scription 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 traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 20k hours or more Comparison Chart of AA677 AA...

Page 9: ...ttings 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 1280 x1024 60 Hz MEASUREMENT SYSTEMS The units of measure stated in this document...

Page 10: ...Y 12 Display color 16 2M 6 bit color FRC Viewing angle LG L R 70 70 140 degrees horizontal typical U D 60 60 120 degrees vertical typical TOPPOLY L R 75 75 U D 75 60 Luminance Uniformity 75 typical Pc interface 1 Video RGB analog 0 7V peak to peak Sync TTL positive or negative Signal connector 15 pin Mini D type standard VGA video 3 5 mm stereo audio jack Audio For AR577 only Audio power 0 5Wrms 0...

Page 11: ...C VDD 5V FV 60Hz FDCLK 54MHz ITEM Symbol Condition MIN TYP MAX UNIT Contrast Ratio Center of screen CR 350 430 Rising TR Response Time at Ta Falling TF 16 total msec Luminance of white Center of screen YL 250 cd m 2 RX 0 611 0 641 0 671 Red RY 0 312 0 342 0 372 GX 0 262 0 292 0 322 Green GY 0 581 0 611 0 641 BX 0 117 0 147 0 177 Blue BY 0 038 0 068 0 098 WX 0 283 0 313 0 343 Color Chromaticity CIE...

Page 12: ...FDCLK 135MHz Item Symbol Condition Min Typ Max Unit θL 65 75 Hor θR 65 75 θH 65 75 Viewing Angle Ver θL CR 10 At center point 50 60 degree Contrast Ratio Center point CR θ 0 300 450 Rising TR 4 5 Response time Falling TF 12 15 cd m 2 Luminance of White Center point YL 200 260 Wx 0 622 0 652 0 682 White Wy 0 303 0 333 0 363 Rx 0 247 0 277 0 307 Red Ry 0 599 0 629 0 659 Gx 0 111 0 141 0 171 Green Gy...

Page 13: ... angle range 10 CR Note 2 Definition of Contrast Ratio CR Ratio of gray max Gmax gray min Gmin at the center point of panel Luminance with all pixels white Gmax CR Luminance with all pixels black Gmin Note 3 Definition of Response time Sum of TR TF ...

Page 14: ...ecuted Measurement should be executed n a stable windless and dark room 30 min after lighting the back light This should be measured in the center of screen Dual lamp current 13 0mA 6 5mA x2 Refer to the note 1 in the page 14 for more information Environment condition Ta 25 2 C Optical characteristics measurement setup ...

Page 15: ...inition of Flicker level Flicker Voltage pp F x 100 LMD Voltage dc One maximum value of three estimated values For this test an LMD Light Measurement Device is needed with adequate response time to track any visible rate flicker component and with a voltage level output proportional To luminance intensity Test Pattern For dot inversion Driving Gray levels of foreground dots on the test panel Are G...

Page 16: ...etermine that point proceed as follows Using the background and foreground gray levels of step1 Gbkg and Gfg Turn on each box at a time Look for the case with the worst shadowing The box causing the worst case is the shadowing source or Bsrc Use Bsrc and the box opposite from it that lies directly in the shadow path That is the target box or Btgt Note that box Eight be either Bsrc or Btgt dependin...

Page 17: ...el Sync 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 80KHz Vertical Frequency 49Hz 75Hz ...

Page 18: ...8 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 1024x768 48 363 1344 1024 136 24 160 65 XGA 60 004 806 768 6 3 29 1024x768 53 964 1328 1024 176 16 112 71 664 COMPAQ XGA 66 132 816 768 4 8 36 1024x768 56 476 1328 1024 136 24 144 75 VESA 768 70Hz 70 069 806 768 6 ...

Page 19: ... Monitor should display Out of Range warning menu at this mode Video input Connector 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 con...

Page 20: ... an main board an inverter power 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 Power board include AC DC inverter ...

Page 21: ... 21 BLOCK DIAGRAM System Block Diagram MCU LVDS Signals Including ADC Scaling LVDS And OSD function 24LC02B 24LC16 24LC02B TPA6019 Audio Power Amplifier with DC volume control ...

Page 22: ...ent U1 24LVC2B CN1 D SVB 15 PIN U3 TSU16AJ CN6 E T 4501 19 U6 24LC16B 24LVO2B CN3 E T 4501 09 U5 MX810 J502 E T 4501 05 U7 APM4461 J501 E T 4501 03 U4 PMX10E8D50I CN5 P TWO AFN300 30P U8 APL1085 3 3 CE U9 APL1117 2 5 VC U501 ATPA6019 CN5 CM6 J502 J501 CN3 ...

Page 23: ... 23 Software flow chart ...

Page 24: ...on the LED and set it to green color Scalar initialize 10 In standby mode 11 Update the lift time of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out a interrupt request 14 Wake up the scalar 15 Are there any signal coming from analog port 16 Display Cable Not Connected message and go into standby mode after the message disappear 17 Program the scalar to...

Page 25: ...g these settings the picture can be adjusted to your personal preferences z The power cord should be connected z Connect the video cable from the monitor to the video card z Press the power button to turn on the monitor position The power indicator will light up AA677 External Controls 1 Auto Adjust Key Exit 4 MENU ENTER 2 Volume 5 LED 3 Volume 6 Power Key ...

Page 26: ...our PC z Make sure connections are secure Connecting the AC Power z Connect the power cord to the LCD Monitor z Connect the power cord to an AC power source Connecting the Audio Cable For AL1717Ams z 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 z Connect the other end of the audio cable to the LCD Monitor s AUDIO I...

Page 27: ...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 ...

Page 28: ...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 ...

Page 29: ...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...

Page 30: ...ge 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 message will...

Page 31: ...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...

Page 32: ...esent 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 restor...

Page 33: ...ower Consumption Meet VESA DPMS Proposal On mode 48Wmax Green DPMS 2Wmax Amber DC power off 1Wmax Dark disconnection 2Wmax 1 Amber stand by suspend off mode 2 Dark DC power off Measured from AC input end of AC power and don t include audio at power saving state The stand by suspend and off mode recover to on mode about 3 seconds Plug Play EDID The monitor will be capable of sending a VESA standard...

Page 34: ...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...

Page 35: ...p rate This requires one sweep 10 to 500 to 10Hz along each of the three axes Random Vibration 0 008 G 2 Hz 10 to 500 Hz nominal 2 GRMS The test shall be for one hour for each of the three axes Half Sine Wave Shock 120 G peak half sine pulse 2 ms pulse duration Testing shall consist of one shock in each direction in each axis for a total of 6 shock inputs Square Wave Shock 40 G peak acceleration 1...

Page 36: ...ttom Corner 1 2 Right Bottom Edge 1 3 Right Front Edge 1 4 Front Bottom Edge 1 5 Bottom Side 1 6 Top Side 1 7 Front Side 1 8 Back Side 1 9 Left Side 1 10 Right Side 1 Dimension Size and Weight Dimension size 377 W x 389 H x 163 D Net Weight 4 5 0 5Kg Gross Weight 6 5 0 5Kg ...

Page 37: ...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 LAA677 E02 Back Cover Hinge Cover concavity 0 2mm B 0 8mm ...

Page 38: ... 38 LAA677 E03 Base Neck concavity 0mm C 0 8mm LAA677 E04 Top and Bottom Left and Right Back cover Bezel step Back cover Bezel step 0mm D 0 8 mm 0mm D 0 8 mm ...

Page 39: ... 39 LAA677 E05 LCD Horizontally The angle between front bezel and LCD unit in bottom side should not large than 1 0mm LAA677 E06 ...

Page 40: ... side to right should not large than 4 0mm LAA677 E07 Tilt Base Rotation Tilt 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 ...

Page 41: ... 41 GAP Spec Gap between panel with bezel is 0 mm gap 1 2 mm Swivel Title noise spec When adjust the monitor angle the range should be limited between 5º 15º and it should not have any noise ...

Page 42: ...ESCRIPTION Connect the FPC line on panel Assemble the chassis onto panel Firmly secure the Panel with 4 screws Plug two speakers to put on bezel AA677 1 Connect the 13P line with VK board 2 Firmly secure the VK board with 4 screws ...

Page 43: ...43 Connect speaker wires on VK board Connect the bezel with monitor To reverse the monitor AA677 Assemble the power board onto chassis ...

Page 44: ...44 AA677 Firmly secure the power board with 5 screws AA677 Firmly secure the power cable with screws Connect four panel voltage line on power board ...

Page 45: ... VL board onto chassis 2 Firmly secure the VlL board with 3 screws Firmly secure the VlL board and line with screws Connect the FPC on VL board Connect the power line on VL board AA677 Connect the VL VK line on VL board ...

Page 46: ...46 Connect the audio line on power board For AR577 only Firmly secure the line and chassis with 4 screws AA677 Check it Put the EMI cover on monitor Put the screws on EMI cover with monitor ...

Page 47: ...cure the back cover with 4 screws 1 Assemble the neck bracket onto neck 2 Firmly secure the neck bracket with 4 screws 1 Connect the hinge with neck 2 Firmly secure the hinge with 3 screws 1 Assemble the neck with back cover 2 Firmly secure the neck with 4 screws Assemble the base with monitor ...

Page 48: ...48 Chapter 4 Troubleshooting Main Procedure Connect all of the Devices to AA677 ...

Page 49: ...49 Power Circuit and Backlights Troubleshooting ...

Page 50: ...50 Performance Troubleshooting ...

Page 51: ...51 Function Troubleshooting ...

Page 52: ...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 ...

Page 53: ...om 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 To...

Page 54: ...54 Model AA677 ...

Page 55: ...240I 4 NECK COVER AA6732 ABS94HB MBK56 AA6732 ABS94HB MBK56 GP FAAA6732000 FAAA673200I 6 NECK BRACKET AA6731 SECC 0 8 AA6731 SECC 0 8 GP ECAA6731000 ECAA673100I 7 HINGE ASSY AA671E AA671 GP ECAA671E000 ECAA671E00I 8 NECK AA6721 ABS94HB MBK56 AA6721 ABS94HB MBK56 GP FAAA6721000 FAAA672100I 9 SCREWS M3X0 5 5I ZN M3X0 5 5I ZN GP MAA00001260 MAA0000126I 10 Function Board VK 583 LAR577Y 454AAP30001 11 ...

Page 56: ...930 16 POWER SOCKET CHASSIS M3x0 5 6F ZK M3X0 5 9F ZK GP MAA10022007 MAA1002200I 17 Power Inverter Board VP 768 LAA677 453AC930001 18 Key B Bezel TPP2X3 10B MC TPP2X3 10B MC GP MAB800014400 MAB80001440I 19 POWER BOARD CHASSIS EARTH M4 0X0 7 8BTF MC M4 0X0 7 8BTF MC GP MAA80014400 MAA8001440I 20 Function board to Mainboard cable AR577 CTRL KEY 13P DC020162300 21 EMI AA678 TIN 0 3t AA678 TIN 0 3t GP...

Page 57: ...12 PC ABS MCG28 MSV41 GP FAAA6712000 FAAA671200I 25 Main Frame CHASSIS AA6716 SECC 1mm AA6716 SECC 1mm ECAA6716000 ECAA671600I 26 Mainboard to LCD Cable JP577 PANEL CTRL 30P DC020160700 27 LCD Panel F HT17E12 200 17 HYDIS AC6V0000200 28 LCD Panel B HT17E12 200 17 HYDIS AC6V0000200 ...

Page 58: ...ss adjustment Burst mode Protection function auto recovery type Interface Signals Input 1 AC Inlet HUAJIE SA 4S 066 or compatible 2 J701 SC SCJ 0345 1 X 9 3 6D BLU 3P or compatible Output Connector Pin Assignment 1 The connecter was pitch 2 0mm PIN NO Function Function 1 5Vaudio Audio power optional 2 GND Audio ground 3 GND Ground 4 GND Ground 5 Vbri Brightness control from logical board 0 4V to 3...

Page 59: ... time Vin 110Vac 1 0 S 7 Efficiency Full load 70 8 Consumption Vin 240Vac no load 1 W 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 15Vinv 35 5 0A 2A 20 14 3Vdc 5Vaudio 5 0A 0 6A 4 75 5 25Vdc Ripple 1 5Vdc 50mVp p 15Vinv 150mVp p Noise 1 Measured at DC output terminals which are paralleled with a 10uf Ecap 0 1uf Ceram...

Page 60: ...TLB3 Condition Min Typ Max Unit Input Voltage 15 V Input Current 1 5 A ON 3 3 V Backlight ON OFF Control OFF 0 V Brightness Adjust Min Luminance Max Luminance 30 Output Voltage Vin 15V Iout 6 5mA 640 650 745 Vrms Brightness lamp current in 6 5mA 300 Cd m Output Current Each connector Vbri 0 45V 3 6V 3 6 5 7 mA Frequency 40 70 KHz Lamp start voltage 0 1000 1250 Vrms Striking Time 1 S Lamp Current B...

Page 61: ...655 Vrms Brightness lamp current in 6 5mA 300 Cd m Output Current Each connector Vbri 0 45V 3 6V 3 7 8 mA Frequency 40 60 KHz Lamp start voltage 0 1120 1460 Vrms Striking Time 1 S Lamp Current Balance 0 3 mA Efficiency Vin 15V 80 Operating Life Time 40000 Hr SAFETY Leakage Current 0 25mA 100Vac Insulation Resistance more than 3M ohms while withstanding a voltage of 500Vac Hi Pot 3Kvac with using 3...

Page 62: ... DC Switch off 1W 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 12...

Page 63: ...63 Chapter 7 Schematic Diagram ...

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