Acer AL1715 Service Guide Service guide files and updates are available on the CSD web: for more information, Please refer to http://csd.acer.com.
Copyright Copyright © 2003 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice.
Conventions The following conventions are used in this manual: Screen messages Denotes actual messages that appear on screen Note Gives bits and pieces of additional information related to the current topic. Warning Alerts you to any damage that might result from doing or not doing specific actions. Caution Gives precautionary measures to avoid possible hardware or software problems. Important Reminds you to do specific actions relevant to the accomplishment of procedures.
WARNING: (FOR FCC CERTIFIED MODELS) NOTE: this equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
PRECAUTIONS Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, Swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance. Use only a trolley or stand recommended by the manufacture or sold with the monitor. If you mount the monitor on a wall or shelf, use a mounting kit approved by the manufacture and follow the kit instructions.
SPECIAL NOTES ON LCD MONITORS The following symptoms are normal with LCD monitor and do not indicate a problem. NOTES 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. You may 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.
Table of contents Chapter 1 Monitor Feature …………………………………………………………………...………..8 Chapter 2 Operating Instruction ………………………………………………..……………………..22 Chapter 3 Machine Disassembly and Replacement …………………………………..…………30 Chapter 4 Troubleshooting …………………………………………………………………………..40 Chapter 5 Connector Information …………………………………………………………………..44 Chapter 6 FRU List …………………………………………………………………………………… 45 Chapter 7 Schematic Diagram ….……………………………………………………………………..
Chapter 1 Monitor Feature INTRODUCTION 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 display card. It also supports VESA DPMS power management and plug & play function. There is a build-in stereo audio amplifier with volume control to drive a pair of speakers.
ELECTRICAL REQUIREMENTS Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light : 225 lux Viewing distance : 50 cm 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.
LCD monitor General specification Panel Type: 17 “ active matrix color TFT LCD 1). Hydis HT17E12-200 Display size: 37.92mm (H) × 270.34mm(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) × 768 (60/70/75 Hz) XGA 1024 SXGA 1280 × 1024 (60/70/75 Hz) standard resolution Pixel pitch: 0.264mm(H) × 0.264mm(V) Display Dot: 1280 x (RGB) × 1024 Pixel Clock: 25.2 – 135.
LCD Panel Specification LCD Panel Model (Hydis LT17E12-200) • • • • • • • • • • Display Type active matrix color TFT LCD Resolution 1280x1024 pixels Display Dot 1280x (RGB) x 1024 Display Area 337.92mm(H) x 270.34mm(V) Pixel Pitch 0.264mm(H) x 0.264mm(V) Display Color 16M (6 bite color+FRC) Lamp Voltage 700 Vrms (typ) Lamp Current 6.5 mArms (typ) Weight 1900g (typ) Optical Specifications IL = 6.
Panel Relative Humidity Input Signals Video input • • • • • Type Analog R, G, B. Input Impedance 75 ohm +/- 2% Polarity Positive Amplitude 0 - 0.7 +/- 0.05 Vp Display Color same as LCD panel Signal separate horizontal and vertical sync, or composite sync Sync input • which are TTL compatible • Polarity positive and negative. Interface frequency The following frequency range is generalized by supported timing.
Supported Timing FH(KHZ) SYNC TOTAL ACTIVE SYNC FRONT FV(HZ) POLARITY (DOT/LINE) (DOT/LINE) 31.469 70.087 24.83 56.42 31.469 70.087 31.5 70.15 31.469 50.030 31.469 59.94 35.00 66.67 37.861 72.809 37.5 75 31.469 70.087 49.725 74.55 35.156 56.25 37.879 60.317 48.077 72.188 46.875 75 48.363 60.004 53.964 66.132 56.476 70.069 60.023 75.029 60.24 75.02 54.054 59.270 63.851 70.012 67.50 75.00 60.00 60.00 70.00 70.00 75.00 75.
Support Modes There will be 28 total support modes to accommodate the above mode and other video modes within the frequency range of the 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 Connector: 15pins mini D-Sub Table 2.4.5. Pin assignment for D-sub connector PIN NO.
Monitor 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. The Adapter will provide thr 12V DC-power to inverter/ power board.
BLOCK DIAGRAM System Block Diagram LVDS Signals MCU MVPRL including ADC, Scaling LVDS And OSD function - 16 -
Monitor board layout LABEL Component LABEL Component U1 74LVC14 CN1 D-SVB 15 PIN U2 24LVC21 CN9 E&T 4501-10 U4 MVPRL CN3 E&T 6113-08 U6 M8064I CN301 E&T 4501-11 U5 24LC16B CN302 E&T 4501-03 U7 MAX810 CN7 E&T DF14-30 U8 SI9435 U9 LM4838 U10 APL1085-3.3 CE U11 APL1117-2.
Software flow chart - 18 -
Software Flow Chart 1. MCU initialize 2. Is the eeprom 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 “<” and “>” (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 green color. Scalar initialize. 10. In standby mode? 11. Update the lift time of back light. 12.
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. 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.
System Installation Connecting the Display Power off your computer. Connect one end of the signal cable to the LCD Monitor’s VGA port. Connect the other end of the signal cable to the VGA port on your 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.
Chapter 2 Operating Instructions CONTROLS 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 (Function select). 5. Auto adjustment Buttons. Note: 1. Press button 4 (plus +) or (minus -) at the same time can activate “Volume Adjustment”. 2.
Main OSD Menu: Outline: The description for control function : Main Menu Sub Menu Sub Menu Icon Item Icon Contrast Description Adjustment Reset Value Range Contrast from Digital-register.
User / Red Red Gain from Digital-register. 0-100 100 User / Green Green Gain Digital-register. 0-100 100 User / Blue Blue Gain from Digital-register. 0-100 100 Set OSD display language to N/A The Language will English N/A English. 繁體中文 N/A be set to English. Set OSD display language to N/A Tranditional Chinese. Deutsch N/A Set OSD display language to N/A German. Français N/A Set OSD display language to N/A French. Español N/A Set OSD display language to Spain.
Hot-Key Menu:(For AR577 only) Outline: The description for Hot-Key function : Item Volume Operation Icon Description When the OSD is closed, press Volume of Audio adjustment. The Left or Right button will be Volume Audio will be Mute when volume=0.
LOGO: 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 (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.
Plug and play Plug & play DDC2B feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities. The communication channel is defined in two levels, DDC2B. 2 The DDC2Bis a bidirectional data channel based on the I C protocol. The host can request EDID information over the DDC2B channel.
White Color Temperature White color temperature is 4 preset as 9300, 7500,6500 and User, Default value of user color should be user which is maximum setting for panel. Target of color setting Color Color Coordinate Tolerance Color Coordinate Tolerance Temp. x y 9300K 0.283 0.297 6500K 0.313 0.329 User - - u’ v’ +0.03 0.189 0.446 u’v’ < 0.01* +0.03 0.198 0.469 u’v’ < 0.01* - - - *) TCO’0X A.2.6.
Electrical characteristics (Tamb=25°) Audio amplifier(USE Panasonic VP-7723A Audio Analyzor. ) Item Audio Input Freq. Comment Spec. Input Voltage(V) Min. Typ. Max. - 0.5Vm - s Input Current(m A) - 500 800 - - 6dB Audio Voltage Gain 500m Vrms 1KHz Frequency Response 500m Vrms 300Hz-20KH -10dB Volume Max.,load 4 Ω - +10d B Volume Max.,load 4 Ω - -40dB Volume Max.
Chapter 3 Machine Disassembly and Replacement The 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 Back Cover & Hinge Cover concavity 0mm ≤ B ≤ 0.
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.
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.
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 GAP Spec. Gap between panel with bezel is 0 mm < gap < 1.
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.
Connect speaker wires on VK board. (For AR577 only) Connect the bezel with monitor. To reverse the monitor. Assemble the power board onto chassis.
Firmly secure the power board with 5 screws. AR577 AR578 Firmly secure the power cable with screws. AR577 AR578 Connect four panel voltage line on power board.
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.
Connect the audio line on power board. (For AR577 only) Firmly secure the line and chassis with 4 screws. Check it. AR577 AR578 Put the EMI cover on monitor.. Put the screws on EMI cover with monitor.
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 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.
Chapter 4 Troubleshooting Main Procedure 40
Power Circuit and Backlights Troubleshooting 41
Performance Troubleshooting 42
Function Troubleshooting 43
Chapter 5 Connector Information 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 Separate Sync PIN NO. 5 1 10 15 6 11 44 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.
Chapter 6 FRU (Field Replaceable Unit) list This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AL1715. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE : Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information available on your regional web or channel(http://aicsl.acer.com.tw/spl/).
Model: AR577 46
Model:AR578 47
Part list A. For AL1715 No. Photo Part Name Description Vendor No. 1 Back Cover Screws M4X0.7+6P-NI 2 BaseASSY(FOOT) AR7714A(ABS94HB,MCG62) FAAR7714A10 3 Stand Screws M4X0.7+11P-MC WASHER DIM 8.0 4 NECK COVER AR7721(ABS94HB,MCG62) FAAR7721100 6 NECK BRACKET AR7722(SECC1.0) 7 HINGE ASSY AR7717(SK-7,T=22) 8 NECK AR7713(ABS94HB.MCG62) FAAR7713100 9 Panel & Chassis M3X0.5+4I-NI MAA00001240 10 Function Board VK-583 LAR577Y 454AAP30001 11 BACK COVER, Neck TPP-4.
12 Back Cover AR7712A(PC+ABS,MCG62) FAAR7712A10 13 Hinge Screws TPB-4+8C-MC MAB7T002401 14 Mainboard & Chassis 4#40UNCX12.7 PLS-WASHER MAAA0019400 15 Speaker (R/L) 2W 40HM 37.5X17X9.5mm 50mm CG10021V920 CG10021V930 16 POWER BOARD &CHASSIS M3x0.5+6F-ZK MAA10022007 17 Invertor Board VP-583 LAR577Y 453AAP30001 18 Key/B & Bezel TPP2X3+12B-MC MAB80007400 19 POWER BOARD &CHASSIS M4.0X0.
23 Mainboard VL-731 LAR577Y 24 Frame(BEZEL) AR7711A (PC+ABS,MCG62) FAAR7711A10 25 Main Frame/CHASSIS AR7715(SECC1.
B. For AR577 (Acer model:AL1715 bm ) No. Photo Part Name Description Part No. 1 BACK COVER SCREWS 2 BACK COVER, Neck TPP-4.0+10P-ZK & Neck Bracket, Chassis & Bezel 2 BaseASSY(FOOT) AR7714A(ABS94HB,MBK24) 4 Stand Screws M4X0.7+11P-MC WASHER DIM 8.0 MAA70002400 5 NECK COVER AR7721(ABS94HB,MBK24) FAAR7721000 6 NECK BRACKET AR7722(SECC1.0) ECAR7722000 7 HINGE ASSY AR7717(SK-7,T=22) 8 NECK AR7713(ABS94HB.MBK24) FAAR7713000 9 Panel & Chassis M3X0.
13 Mainboard & Chassis 4#40UNCX12.7 PLS-WASHER MAAA0019400 14 Speaker (R/L) 2W 40HM 37.5X17X9.5mm 50mm CG10021V920 CG10021V930 15 POWER BOARD &CHASSIS M3x0.5+6F-ZK MAA10022007 16 Invertor Board VP-583 LAR577Y 453AAP30001 17 Key/B & Bezel TPP2X3+12B-MC MAB80007400 18 POWER BOARD &CHASSIS M4.0X0.7+8BTF-MC MAA80014400 19 Function board to Mainboard cable AR577 CTRL-KEY 13P DC020162300 20 Main Shield AR7716(TIN0.3) ECAR7716000 21 Mainboard and M3X0.
23 Frame(BEZEL) AR7711A (PC+ABS,MBK24) FAAR7711A00 24 Main Frame/CHASSIS AR7715(SECC1.
C. No. For AR578 (Acer model:AL1715 ) Photo Part Name Description Part No. 1 Back Cover Screws M4X0.7+6P-NI 2 BaseASSY(FOOT) AR7714A(ABS94HB,MCG62) FAAR7714A10 3 Stand Screws M4X0.7+11P-MC WASHER DIM 8.0 4 NECK COVER AR7721(ABS94HB,MCG62) FAAR7721100 6 NECK BRACKET AR7722(SECC1.0) 7 HINGE ASSY AR7717(SK-7,T=22) 8 NECK AR7713(ABS94HB.MCG62) FAAR7713100 9 Panel & Chassis M3X0.5+4I-NI MAA00001240 10 Function Board VK-583 LAR578Y 454AAP30011 11 BACK COVER, Neck TPP-4.
12 Back Cover AR7812A(PC+ABS,MCG62) FAAR7812A10 13 Hinge Screws TPB-4+8C-MC MAB7T002401 14 Mainboard & Chassis 4#40UNCX12.7 PLS-WASHER MAAA0019400 15 POWER BOARD &CHASSIS M3x0.5+6F-ZK MAA10022007 16 Invertor Board VP-583 LAR578Y 453AAP30011 17 Key/B & Bezel TPP2X3+12B-MC MAB80007400 18 POWER BOARD &CHASSIS M4.0X0.7+8BTF-MC MAA80014400 19 Function board to Mainboard cable AR578 CTRL-KEY 13P DC020162500 20 Main Shield AR7816(TIN0.3) ECAR7816000 21 Mainboard and M3X0.
23 Frame(BEZEL) AR7811A (PC+ABS,MCG62) FAAR7811A10 24 Main Frame/CHASSIS AR7715(SECC1.
D. For AR578 (Acer model:AL1715 b) No. Photo Part Name Description Part No. 1 Back Cover Screws M4X0.7+6P-ZK MAA20093300 2 BaseASSY(FOOT) AR7714A(ABS94HB,MBK24) 3 Stand Screws M4X0.7+11P-MC WASHER DIM 8.0 MAA70002400 4 NECK COVER AR7721(ABS94HB,MBK24) FAAR7721000 5 NECK BRACKET AR7722(SECC1.0) ECAR7722000 6 HINGE ASSY AR7717(SK-7,T=22) 7 NECK AR7713(ABS94HB.MBK24) FAAR7713000 8 Panel & Chassis M3X0.
12 Hinge Screws TPB-4+8C-MC MAB7T002401 13 Mainboard & Chassis 4#40UNCX12.7 PLS-WASHER MAAA0019400 14 POWER BOARD &CHASSIS M3x0.5+6F-ZK MAA10022007 15 Invertor Board VP-583 LAR578Y 453AAP30011 16 Key/B & Bezel TPP2X3+12B-MC MAB80007400 17 POWER BOARD &CHASSIS M4.0X0.7+8BTF-MC MAA80014400 18 Function board to Mainboard cable AR578 CTRL-KEY 13P DC020162500 19 Main Shield AR7816(TIN0.3) ECAR7816000 20 Mainboard and M3X0.
23 Main Frame/CHASSIS AR7715(SECC1.
POWER/Inverter 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 current: 1.2Amax. at 90Vac Input Frequency: 47 ~ 63Hz Input power saving consumption: Less than 1.
2.Inverter-side connecter : SM02B-BHSS-1-TB(JST) for AR577 / SM02(8.0)B-BHS-1(JST) for AR599 or equivalent. PIN NO. Function Comment 1 Cth VBLH(High voltage) 2 Ctl VBLL(Low voltage) Electrical Specification: AC-DC Electrical specification Input Specification No Item Condition Min. Typ. Max. Unit 1 Input Voltage ----- 100 --- 240 Vac 2 Input Frequency ----- 47 --- 63 Hz 3 Input Current ----- --- --- 1.
AC-DC Output Specification Tolerance Output Current Voltage Tolerance Output Voltage --- MIN MAX +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 --- 1% Ripple Noise 1. Measured at DC output terminals which are paralleled with a 10uf Ecap &0.1uf Ceramic cap. +5Vdc:50mVp-p +15Vinv:150mVp-p --- 2.Band width is limited 3% +5Vdc:150mVp-p +15Vinv:450mVp-p within 20MHz.
Inverter Electrical Specification: For Hydis HT17E12-200 (AR577) Condition Min. Typ. Max. Unit Input Voltage --- --- 15 --- V Input Current --- --- 1.5 --- A Backlight ON/OFF Control Brightness Adjust ON 3.3 V OFF 0 V Min. Luminance / Max. --- 30% --- --- 840 Vrms Luminance Output Voltage Vin=15V, Iout=6.5mA 690 700 Brightness lamp current in 6.5mA 200 250 Output Current(Each connector) Vbri=0.4V~3.3V 3 6.
Power Consumption The monitor is equipped with a power-management according to the below. There is a delay of 5s … 7s before the transition from On-state to any power saving state to avoid unintentionally entering of a power saving stage during display resolution and timing mode changes. Transition from any power saving state to another can be instantaneous. The recovery from Off-state requires no manual power on. Mode H-Sync. V-Sync. Video Pw-cons. Indicator Rec.
Chapter 7 Schematic Diagram 65
