AL1515 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 INTRODUCTION...............................................................................................................................................................8 ELECTRICAL REQUIREMEENTS....................................................................................................................................9 BLOCK DIAGRAM ........................................................................................
Chapter 1 Monitor Feature INTRODUCTION Scope This specification defines the requirements for the 15” 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: 15 “ active matrix color TFT LCD LCD Panel Hannstar LG Type HSD150SX84 HSD150SX87 LM150X08 Size 15.0” (38cm) 15.0” (38cm) 15.
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 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 59.94 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.
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. 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.
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 MCU - 15 -
Monitor board layout LABEL Component 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 - 16 -
Software flow chart - 17 -
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.
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.
POWER BOARD Description This specification defined the performance and characteristic for the VP-589 power board. It supplies the following items. 1). A constant 5V output source for logic board. 2). A constant 5V output source for audio’s power source. 3). A constant 12V output source for lnverter’s power souce Features Wide input range: AC input 90Vrms~264Vrms Input Frequency: 47 ~ 63Hz Inverter brightness adjustment: Burst mode Protection function: auto-recovery type, It includes OPP, SCP.
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 100Vac@ Type load 1.5A --- --- 1.0 Arms 4 Inrush Current --- 30 A0-P --- 50 A0-P 10 --- --- ms Cold Start @Vin=100Vrms --- Cold Start @Vin=220Vrms @full load & 100Vac input and 5 Hold Up Time 6 Turn on time Vin =110Vac --- 1.
Protection function Auto-recovery design is acceptable, but input power must be less than 5W 1) SCP: Short circuit protection must be acted on both outputs 2) OPP: Should be protected when output power consumption is within 40W ~ 70W Inverter Electrical Specification: For Hannstar HSD 150SX84-D Condition Min. Typ. Max. Unit Input Voltage --- --- 12 --- V Input Current --- --- 1.0 --- A 0 1.0 V 2.0 3.0 --- V --- 55% --- --- Vin=12, Iout=6.
For Hannstar HSD 150SX87Condition Min. Typ. Max. Unit Input Voltage --- --- 12 --- V Input Current --- --- 1.0 --- A 0 1.0 V 2.0 3.0 --- V --- 55% --- --- Vin=12, Iout=6.5mA --- 750 --- Vrms HSD150SX84-B 200 250 --- HSD150SX84-D 175 200 --- Output Current(Each connector) 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.
For Hannstar HSD 150SX84-A4 Condition Min. Typ. Max. Unit Input Voltage --- --- 12 --- V Input Current --- --- 1.0 --- A 0 1.0 V 2.0 3.0 --- V --- 55% --- --- Vin=12, Iout=6.5mA --- 650 --- Vrms HSD150SX84-B 200 250 --- HSD150SX84-D 175 200 --- Output Current(Each connector) Vbri=0.5~3.2V 3 6.5 7 mA Frequency --- 45 60 80 KHz Open Lamp Voltage at 0 °C 1100 --- --- Vrms Striking Time --- --- 1.0 --- S Lamp Current Balance --- --- ±0.
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 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 be set to English. English. 繁體中文 N/A 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 AL1515 m 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. The DDC2Bis a bidirectional data channel based on the I2C 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 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.
Disassemble the main board 1. Disassemble audio line from power board. 2. Disassemble two VL-VK lines from VL board. 3. Disassemble power line from VL board. 4. Disassemble FPC line from VL board. 5. Remove the one screw to release line from Chassis. 6. Remove the 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.
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.
Chapter 4 Troubleshooting Main Procedure 41
Power Circuit and Backlights Troubleshooting 42
Performance Troubleshooting 43
Function Troubleshooting 44
Chapter 5 Connector Information Phonejack stereo PIN1. right : CEE22 typed connector PIN2. Left PIN3. Gnd : 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 45 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 AL1515 m. 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: AL1515 47
Model:AL1515 m 48
Part list No. Photo Part Name Vender Part No.
7 MB 451AAV30001 8 Inverter Board 453AAT30021 9 Front Bezel FAAR5516000 10 Speaker-R CG10021V930 11 Speaker-L CG10021V930 12 Frame ECAR5511000 50
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