Acer AL1717 AL1717 Service Guide

Acer AL1717 Manual

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  • Acer AL1717 | AL1717 Service Guide - Page 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/ - 1 -
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    , manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expresses or implied, with respect to the contents hereof and specifically
  • Acer AL1717 | AL1717 Service Guide - Page 3
    to avoid possible hardware or software problems. Important Reminds you to do specific actions relevant to the accomplishment of procedures. Preface Before using this information and the product it supports, please read the following general information. 1. this Service Guide provides you with all
  • Acer AL1717 | AL1717 Service Guide - Page 4
    digital device, pursuant to Part 15 of the FCC with the instructions, may Warning Use only shielded signal cables to connect I/O your authority to operate the equipment. As monitor to rain or moisture. Dangerously high voltages are present inside the monitor. Do not open the cabinet. Refer servicing
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    radiator or heat register. Do not place the monitor in a bookcase or cabinet unless proper ventilation is provided. z The monitor should be operated only from the type of power source indicated on the label. If you are not sure of the type of power supplied to your home, consult your dealer or local
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    with LCD monitor and do not indicate a problem. NOTES z Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then turn it on again to make sure the flicker disappears. z You may find slightly uneven brightness in the screen depending
  • Acer AL1717 | AL1717 Service Guide - Page 7
    Table of contents Chapter 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 - 7 -
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    Feature INTRODUCTION Chapter 1 Scope This specification defines the requirements for the 17" MICRO-PROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to general 15 pin D-sub VGA connector and eliminates the requirement of optional special
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    in front of LCD panel Warrn up time All specifications : 30 minutes Fully functional : 5 seconds Measuring Equipment : Chroma 2250 signal generator or equivalent, directly Connected to the monitor under test. Minolta CA100 photometer, or equivalent Control settings User brightness control
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    LCD monitor General specification Panel Type: 17 " active matrix color TFT LCD 1). LG HT17E01-A05 power on/off with LED select adjustment (+,-) Interface frequency Horizontal Frequency 24KHz --80KHz Vertical Frequency 49Hz ------75Hz Plug & play: Support VESA DDC2B functions Power Input
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    Panel Model (LG LT17E01-A05) • Display Type • Resolution • Display Dot • Display Area • Pixel Pitch • Display Color • Lamp Voltage • Lamp Current • Weight • Optical Specifications active matrix color TFT LCD 1280x1024 pixels 1280x (RGB) x 1024 337.92mm(H) x 270.34mm(V) 0.264mm(H) x 0.264mm(V) 16M
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    Model (ToppolyTD170WGCB2) • Display Type • Resolution • Display Dot • Display Area • Pixel Pitch • Display Color • Lamp Voltage • Lamp Current • Weight • Optical Specifications active matrix color TFT LCD 1280x1024 pixels 1280x (RGB) x 1024 337.92mm(H) x 270.34mm(V) 0.264mm(H) x 0.264mm(V) 16M
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    Note 1) Definition of Viewing Angle: Viewing 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. CR= Luminance with all pixels white (Gmax Luminance with all pixels black (Gmin) Note 3) Definition of Response time:
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    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
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    : Maximum brightness Bmin: Minimum brightness Notes 7) Definition 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
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    colors),first set the background to any gray scale or color level suitable for shadowing determination.(Note that it may take several iterations of adjusting background level and box levels to determine the proper value for the background .Next display the box levels to determine the proper value
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    Sync input • Signal • Polarity Analog R, G, B. 75 ohm +/- 2% Positive 0 - 0.7 +/- 0.05 Vp same as LCD panel separate horizontal and vertical sync, or composite sync which are TTL compatible positive and negative. Interface frequency The following frequency range is generalized by supported timing
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    Supported Timing TIMING 640x350 VGA-350 640x400 NEC PC9801 640x400 VGA-GRAPH 640x400 NEC PC9821 640X480 VESA-PAL 640x480 VGA-480 75 + 1066 1024 3 1 38 Note: Mode 640x350, 640x400 and 720x400 will locate on middle position but cannot be expanded to full screen on vertical direction - 18 -
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    monitor. 85Hz refresh rate Support Monitor should display 85Hz refresh rate mode as emergency mode. Monitor should display "Out of Range" warning menu at this mode. Video input Connector Analog Video input 15 SCL Color of plastic parts: Blue (PC99) 5 1 10 6 15 11 D-sub connector - 19 -
  • Acer AL1717 | AL1717 Service Guide - Page 20
    Block Diagram The LCD monitor will contain 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
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    BLOCK DIAGRAM System Block Diagram LVDS Signals MCU Including ADC, Scaling LVDS And OSD function 24LC02B TPA6019 Audio Power Amplifier with DC volume control 24LC16 (24LC02B) - 21 -
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    Monitor board layout CM6 J502 J501 CN5 CN3 LABEL U1 U3 U6 U5 U7 U4 U8 U9 U501 Component 24LVC2B TSU16AJ 24LC16B(24LVO2B) MX810 APM4461 PMX10E8D50I APL1085-3.3
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    Software flow chart - 23 -
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    blank? 3. Program the eeprom by default values. 4. Get the PWM value of brightness from eeprom. 5. Is the power key pressed? 6. Clear all global flags. 7. Are the "" (Adjust key) and power key. 8. Enter factory mode 9. Save the power key status into eeprom. Turn on the LED and set it to
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    General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. z The power cord should be connected. z Connect the video cable from
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    one end of the signal cable to the LCD Monitor's VGA port. z Connect the other end of the signal cable to the VGA port on your 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
  • Acer AL1717 | AL1717 Service Guide - Page 27
    Operating Instructions CONTROLS Chapter 2 Control panel (monitor front panel) 1. Power ON/OFF switch, push to ON and push to OFF. (Toggle switch) 2. Power LED will be blue when monitor is on; be amber when in power saving mode. 3. Menu. 4. Adjust increase (Function select). Adjust decrease (
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    Item Icon Contrast Contrast from Digital-register. Adjustment Range 0-100 Brightness Backlight Adjustment 0-100 Focus Clock H. Position V. Position Warm N/A Cool N/A Adjust Picture Phase to reduce 0-100 Horizontal-Line noise Adjust picture Clock to reduce 0-100 Vertical-Line
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    horizontal position of the 0-100 OSD. Adjust the verticalposition of the 0-100 OSD. Adjust the OSD timeout. 10-120 Auto Adjust the H/V Position, Focus N/A and Clock of picture. Show the resolution, H/V frequency N/A and input port of current iput timing. Clear each old status of N/A Auto
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    Item Auto Config Please Wait Input Not Supported Cable Not Connected No Signal Description When User Press Hot-Key "Auto", will show this message, and the monitor do the auto config function. When the Hsync Frequency, Vsync Frequency or Resolution is out of the monitor support range, will show this
  • Acer AL1717 | AL1717 Service Guide - Page 31
    : When the monitor is power on, the LOGO will be showed in the center. Item of Factory menu Vendor may customize design and add adjustment items Factory menu as far as all required items are included. 1) Bright Adjust Brightness and Contrast value to Max. 2) Auto Balance Adjust each R, G, B contrast
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    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
  • Acer AL1717 | AL1717 Service Guide - Page 33
    (EDID) The monitor will be capable of sending a VESA standardized EDID file through the DDC (pins 12, 15 of the VGA connector). Audio Technical specification General Description: Output power Total harmonic distortion : 1W + 1W maximum : Less than 1 % (except speakers distortion) Input signal
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    Input Voltage(V) Input Current(m A) Audio Voltage Gain Frequency Response Signal to Noise ratio Total harmonic distortion Cross talk Output Watt. Volume Control Audio Input Freq. Spec Analog Speakers Maximum power Impedance Frequency response range Total harmonic distortion : 2 W per speaker(
  • Acer AL1717 | AL1717 Service Guide - Page 35
    and operation of the system after testing. Sinusoidal Vibration: 0.75 G zero-to-peak, 10 to 500Hz, 0.5 octave / minute sweep rate. a total of 6 shock inputs. Package Drop Specification Listed below are standards of drop heights for monitor product Product Weight height Specs
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    Drop Test Sequence Drop Order 1 2 3 4 5 6 7 8 9 10 Drop point Right Front Bottom Corner Right Bottom Edge Right Front Edge Front Bottom Edge Bottom Side Top Side Front Side Back Side Left Side Right Side Dimension Size and Weight Dimension size 377 (W) x 389 (H) x 163 (D) Net Weight 4.5±0.5Kg
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    Gap Spec. The gap & step between 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.
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    Base & Neck concavity 0mm ≤ C ≤ 0.8mm LAA677-E03 Top and Bottom Back cover & Bezel step 0mm ≤ D ≤ 0.8 mm LAA677-E04 Left and Right Back cover & Bezel step 0mm ≤ D ≤ 0.8 mm - 38 -
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    LAA677-E05 LCD Horizontally The angle between front bezel and LCD unit in bottom side should not large than 1.0mm. - 39 - LAA677-E06
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    The distance of the LCD display unit from left side to right should not large than 4.0mm. 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
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    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. - 41 -
  • Acer AL1717 | AL1717 Service Guide - Page 42
    Machine assembly PICTURE DESCRIPTION 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. 1. Connect the 13P line with VK board. 2. Firmly secure the VK board with 4 screws. AA677 42
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    Connect speaker wires on VK board. Connect the bezel with monitor. To reverse the monitor. Assemble the power board onto chassis. AA677 43
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    Firmly secure the power board with 5 screws. AA677 Firmly secure the power cable with screws. AA677 Connect four panel voltage line on power board. 44
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    1. Assemble the 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. Connect the VL-VK line on VL board. AA677 45
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    Connect the audio line on power board. (For AR577 only) Firmly secure the line and chassis with 4 screws. Check it. AA677 Put the EMI cover on monitor.. Put the screws on EMI cover with monitor. 46
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    Put the screws on EMI cover with monitor. 1. Connect the back cover with monitor. 2. Firmly secure the back cover with 4 screws. 1. Assemble the neck bracket onto neck. 2. Firmly screws. 1. Assemble the neck with back cover. 2. Firmly secure the neck with 4 screws. Assemble the base with monitor 47
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    Troubleshooting Main Procedure Connect all of the Devices to AA677 Chapter 4 48
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    Power Circuit and Backlights Troubleshooting 49
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    Performance Troubleshooting 50
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    Function Troubleshooting 51
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    Phonejack stereo PIN1. right PIN2. Left PIN3. Gnd : CEE22 typed connector : Line-in receptacle J1 1 2 3 PHONEJACK STEREO Video input Connector Analog Video input Connector: 15pins mini D-Sub Table 2.4.5. Pin assignment for D-sub connector Chapter 5 Separate Sync 5 10 15 PIN NO. 1 1 RED
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    available on your regional web or channel(http://aicsl.acer.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
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    Model: AA677 54
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    Acer model:AL1717 Ams ) No. Photo Part Name Description 1 Back Cover Screws M4X0.7+6P-ZK M4X0.7+6P-ZK(GP) Part No. MAA20093300 MAA2009330I 2 BaseASSY(FOOT) AA671D(ABS94HB,MBK56) AA671D(ABS94HB,MBK56)GP FAAA671D000 FAAA671D00I 3 Stand MAA0000126I 10 Function Board VK-583 LAR577Y
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    -WASHER MAAA0019400 4#40UNCX12.7 PLS-WASHER(GP) MAAA001940I 15 Speaker (R/L) 2W 40HM 37.5X17X9.5mm 50mm CG10021V920 CG10021V930 16 POWER SOCKET M3x0.5+6F-ZK &CHASSIS M3X0.5+9F-ZK(GP) MAA10022007 MAA1002200I 17 Power&Inverter Board VP-768 LAA677 453AC930001 18 Key/B & Bezel TPP2X3
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    (PC+ABS,MCG28+MSV41)GP 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 57
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    Board Description This specification defined the performance and characteristic of power/inverter board. It supplies the following outputs : 1). 5Vdc: Logic power. 2). 5Vaudio: Audio power. 3). 15Vinv: Inverter power. Features Input Voltage: 100 ~ 240 ±10％Vac Input Frequency: 47 ~ 63Hz Input power
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    Specification: AC-DC Electrical specification Input Specification No Item Condition Min. 1 Input Voltage ----- 100 2 Input Frequency ----- 47 3 Input DC output @50% duty of --- 1MHz (min.) Over / Under @ Power line on/off --- Sh *+5Vdc load regulation test: the +15Vinv loading at
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    power consumption is within 60W ~ 75W Inverter Electrical Specification: For LPL LM170E01-TLB3 Input Voltage Input Current Backlight ON/OFF Control Brightness Adjust Output Voltage Brightness Lamp Current Balance --- --- Efficiency Vin=15V --- Operating Life Time --- 50000 Typ. 15 1.5 3.3
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    For TOPPOLY TD170WGCB2 Input Voltage Input Current Backlight ON/OFF Control Brightness Adjust Output Voltage Brightness Condition Min. --- @0℃ --- Striking Time --- Lamp Current Balance --- --- Efficiency Vin=15V --- Operating Life Time --- 40000 Typ. 15 1.5 3.3 0 30% 655 300 7
  • Acer AL1717 | AL1717 Service Guide - Page 62
    Red Ground 14 V-Sync. 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground - Audio : Monitor rear side : -PC I/P for PC : 3.5mm Stereo female Monitor Control Keys KEY : Power , Menu , Adjust +/- , Vol +/-, Auto Position Of Controls Position of all switches Position of LED : Bottom
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    Schematic Diagram Chapter 7 63
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