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Table of Contents
Related Manuals for Acer AL2616Wv
Summary of Contents for Acer AL2616Wv
- Page 1 Acer AL2616Wv Service Guide...
- Page 2 Service Guide Version and Revision Version Release Date Revision History TPV model Sep-29-2006 Initial Release TE6GMHDBWBABNP...
- Page 3 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, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
- Page 4 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines. 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.
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Page 5: Special Notes On Lcd Monitors
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. -
Page 6: Table Of Contents
Table Of Contents Chapter 1 Monitor Features ………………………………………… Introduction ……………………………………… Electrical Requirements ……………………………………… LCD Monitor General Specification ……………………………………… LCD Panel Specification ……………………………………… Support Timing ……………………………………… Monitor Block Diagram ……………………………………… Main Board Diagram ……………………………………… Software Flow chart ……………………………………… Main Board Layout ………………………………………... -
Page 7: Introduction
Chapter 1 Monitor Features Introduction Scope This specification defines the requirements for the 19” MICROPROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to general 15-pin D-sub VGA connector and 24-pin DVI connector, also supports VESA DPMS power management and plug & play function. There is a build-in stereo audio amplifier with OSD control to drive a pair of speakers. -
Page 8: Electrical Requirements
Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Dark room Ambient light 40 cm for LCD performance, 20 cm for LCD failures Viewing distance Warm up time All specifications 30 minutes Fully functional 5 seconds Chroma 7120 signal generator or equivalent, directly... -
Page 9: Lcd Monitor General Specification
LCD Monitor General Specification... -
Page 11: Lcd Panel Specification
LCD Panel Specification General Specifications Mechanical Characteristics... - Page 12 Optical Specifications Inverter Electrical characteristics...
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Page 13: Support Timing
Supported Timing VESA MODES Horizontal Vertical Nominal Sync Nominal Sync Nominal Mode Resolution Total Frequency Polarit Freq. Polari Pixel Clock +/- 0.5kHz +/- 1 Hz (MHz) 640x480@60Hz 800 x 525 31.469 59.940 25.175 640x480@72Hz 832 x 520 37.861 72.809 31.500 640x480@75Hz 840 x 500 37.500... -
Page 14: Monitor Block Diagram
Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and keypad board 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 provides the 12V DC-power to inverter/power board. -
Page 15: Main Board Diagram
Main Board Diagram LCD Interface Crystal 24.576MHZ Scalar MST9251HA-LF Crystal (Include: ADC, OSD etc) 14.318MHZ MTV416GMV D-SUB EEPROM Connector AT24C16N Connector OSD Control Interface (Keypad) EEPROM EEPROM 24C02 24C02... -
Page 16: Software Flow Chart
Software Flow Chart... - Page 17 Remark: 1) MCU initializes. 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 AUTO and SELECT keys pressed? 8) Enter factory mode.
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Page 18: Main Board Layout
Main Board Layout Symbol Description Symbol Description U401 IC MST9251HA-LF-205 PQFP-208 MST U303 EM6A9320BI-5MG FBGA-144 U404 *G690H293T73 SOT-23 RN305 RST CHIP AR 8P4R 100 OHM +-5% 1/16W U705 GM6605-2.5TA3R TO-263 GAMMA CN401 WAFER 16PIN 2.0mm DIP U101 M24C02-WMN6TP CN701 WAFER PH-12 U402 MTV416GMV CN407... -
Page 19: Front Bezel
Chapter 2 Adjusting the viewing angle • For optimal viewing it is recommended to look at the full face of the monitor, then adjust the monitor’s angle to your own preference. • Hold the stand so you do not topple the monitor when you change the monitor’s angle. •... -
Page 20: Rear Bezel
Rear Bezel Item Description Power Cable Signal Cable DVI Cable (Only dual-input model) -
Page 21: Chapter 2 Operating Instructions
Chapter 2 Operating 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. •... -
Page 22: Front Panel Controls
Front Panel Control • Power Button: Press this button to turn the monitor ON or OFF. And display the monitor’s state. • Menu / Enter: Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON . •... -
Page 23: Adjusting The Picture
Adjusting the Picture How to Adjust a Setting 1. Press the MENU-button to activate the OSD window. 2. Press <or >to select the desired function. 3. Press the MENU-button to select the function that you want to adjust. 4. Press < or >to change the settings of the current function. 5. - Page 24 b. The Description For Control Function...
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Page 26: Hot-Key Menu
Hot-Key Menu a. Outline b. The Description For Hot-Key Function Item Operation Icon Description When the OSD is closed, press Left or Volume of Audio adjustment. The Audio will be Volume Right button will be Volume Hot-Key Mute when volume=0 Function OSD Message a. -
Page 27: Logo
Logo When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. How To Optimize The DOS-Mode 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. -
Page 28: Chapter 3 Machine Disassembly
Chapter 3 Machine Disassembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance. Disassembly Procedure 1. Remove the screws to release base stand. (Fig 1) 2. Remove the screws to release back cover. (Fig 2) Fig 1 Fig 2... - Page 29 3. Remove the screws to remove the shield. (Fig3- 6) Fig 3 Fig 4 Fig 5...
- Page 30 Fig 6 4. Remove the screws to remove the front bezel. (Fig 7-8) Fig 7...
- Page 31 Fig 8 Remove the screws to remove main board. . (Fig 9) Remove the screws to remove power board. (Fig 10) Fig 9...
- Page 32 Fig 10 Remover the screws connect with panel to remove the main frame and the ground wire. (Fig 11) Remove the screws to remove the main frame. (Fig 12-15) (Fig 11)
- Page 33 Fig 12 Fig 13 Fig 14 Fig15...
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Page 34: Chapter 4 Troubleshooting
Chapter 4 Troubleshooting This chapter provides troubleshooting information for the AL2616W: 1. No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the power section Measure U701 Pin 2=3.3V, U702 Pin 2=3.3V,U705 Pin 2=3.3V. - Page 35 2. No Picture No picture Measure U701 PIN2=3.3V U702 PIN2=3.3V,U705 PIN2=3.3 Replace U701, U702, U705 Check if X401,X402 oscillate waveforms are nor Replace X401, X402 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer, change...
- Page 36 3. Panel Power Circuit Check the PPWR panel power relative circuit,Q702, Q705 Check CN407 PIN 23-24 should have Q703 In normal operation, when LED =green, R706 response from 0V to 5V When we Should =5 V, switch the power switch from on to off If PPWR no-response when the power switch Turn on and turn off, replace the U401-MST9251A Replace panel...
- Page 37 5. PWPC No Power No power Check AC line volt 110V or 220V Check AC line Check the voltage of C907(+) Check F901, bridge rectified circuit Check start voltage for the pin3 of IC901 Check R912,R931,IC901 Check the auxiliary voltage is between 10V-16V Check IC901,T901,T902 Check ZD903, ZD905 Check ZD909, ZD910, IC902...
- Page 38 6. No Backlight Check C801 (+) =12V Change F901 Check Q803 Check ON/OFF signal Check Interface board Check IC801 pin9=12V ? Change Q801 or Q802 Check the pin1 of IC201 have saw tooth wave Change IC801 Check D801 (-) has the output of square wave at short time. CheckQ805/Q807/Q803/Q801or /Q806/Q808/Q804/D802 Check the resonant wave of pin2 &...
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Page 39: Chapter 5 Connector Information
Chapter 5 Connector Information The following figure shows the connector locations on the monitor: 15 – Pin Color Display Signal Cable (D-sub) Pin No. Description Pin No. Description Green Logic Ground Blue Monitor Ground Monitor Ground DDC-Serial Data DDC-Return H-Sync R-Ground V-Sync G-Ground... -
Page 40: Chapter 6 Fru (Field Replacement Unit) List
FRU parts for repair and service of customer machines. NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how to dispose it properly, or follow the rules set by your regional Acer office on how to return it. -
Page 41: Exploded Diagram
Exploded Diagram (Model: AL2616W) - Page 42 Part List Above picture show the description of the following component. Item Picture Description Back Cover Shield Main Frame Panel...
- Page 43 Power Board Main Board...
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Page 44: Chapter 7 Schematic Diagram
Chapter 7 Schematic Diagram Main Board Graphics/ Components In C115 C120 C116 C121 C117 C122 C118 C123 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF D108 D109 DVI CONNECTOR D106 D107 D110 D111 D112 D113 DVI_EDID CN102 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99... - Page 45 Frame Memory +2.5V_DMQ +2.5V_DMC C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 C317 C318 C319 C320 C321 C322 C323 C324 C325 22uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF...
- Page 46 KeyPad connector For AOC +5V_PANEL CN403 VMCU For Bank Select L401 Syntek 128kB LED_GREEN LED_ORANGE KEY_ONOFF1 KEY_MENU1 Issue KEY_DOWN1 KEY_UP1 L405 VMCU SOURCE_VOLUME+1 KEY_AUTO1 LM810M3-2.93V +3.3V_VDD 120 OHM VMCU DIO/MA730 VMCU POWER FOR MCU RN401 R403 R474 R476 R478 VMCU R402 R473 R475...
- Page 47 MST9251A CONNECTOR for PANEL +3.3DV1 AVDD_PLL CN407 AVDD_PLL AVDDPLL2 VDD_MPLL +APLL For AOC LCD I/F- VDD_MPLL +3.3DV1 AVDDPLL2 6 TXA0- TXA0+ +3.3DV2 +APLL F/W default set Odd/Even Swap. TXA1- TXA1+ AVDD_DVI +3.3DV2 TXA2- TXA2+ +2.5MVDD VDDC 4/13/93 AVDD_DVI TXAC- TXAC+ +2.5MVDD VDDC AVDDA...
- Page 48 Power CN701 2006/5/3 ON/OFF BRIGHT +12V C704 2006/5/3 R721 C703 PS_ON 4 1/10W +5V_PANEL 0.1uF 22uF/16V +12V layout together Q601 L601 +5V_PANEL +18V +12V +5V_PANEL +18V 22uH CONN +VLCD C702 C616 R612 C701 L702 L703 C617 D601 1/16W C620 C621 Panel_Power L701 22uF/16V...
- Page 49 Power board...
- Page 50 1KΩ 1/4W 200K 1/10W JP801 1/10W R844 LL4148 5.6K 1/10W R847 5.6K 1/10W D819 D820 D821 D822 JP802 LL4148 LL4148 LL4148 LL4148 ACER 22 Title C830 <Title> INPCC42MA1P 0.1uF/25V Size Document Number Custom <Doc> Date: Saturday, July 29, 2006 Sheet...