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Acer AL1916 Service Manual

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Acer AL1916e
Service Guide
Service guide files and updates are available on the CSD
web: for more information,
Please refer to
http://csd.acer.com.tw/
100% Recycled Paper
- 1 -

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  Summary of Contents for Acer AL1916

  • Page 1 Acer AL1916e Service Guide Service guide files and updates are available on the CSD web: for more information, Please refer to http://csd.acer.com.tw/ 100% Recycled Paper - 1 -...
  • Page 2 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 incidental or consequential damages resulting from any defect in the software.
  • Page 3 Conventions The following conventions are used in this manual: Screen messages Note Warning Caution Important Denotes actual messages that appear on screen Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions.
  • 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.
  • Page 5 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.
  • Page 6 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 7: Special Notes On Lcd Monitors

    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.
  • Page 8: Table Of Contents

    Table of contents Chapter 1 MONITOR FEATURE … … … … … … … … … … … … … … … … … … … … … … .9 Chapter 2 OPERATING INSTRUTION … … … … … … … … … … … … … … … … … … … … .16 Chapter 3 MACHINE ASSEMBLY …...
  • Page 9: Chapter 1 Monitor Feature

    Monitor Feature LCD Panel Input Display Color Maximum Dot Clock ® Max Resolution Plug & Play EPA ENERGY STAY Audio output Input Connector Input Video Signal Screen Size (Active) Power Source Environmental Considerations Weight (N.W.) Dimension Driving system TFT Color LCD Size 19"...
  • Page 10 Switch External Controls : Regulatory Compliance * Power Switch * MENU / EXIT / Volume / Volume * AUTO / ENTER * Contrast/brightness * Focus * Clock * H.Position * W.Position * Language * OSD Color temperature * OSD Position & Timeout * Auto Config * Input * Information...
  • Page 11 Timings The product has 26 memory modes in total. 16 modes are preset and 10 modes are user definable. MODE NO. RESOLUTION 720 x 400 Dot clock(MHz) 28.321 31.469kHz A ( us ) 31.78(900dots) B ( us ) 3.813(108dots) C ( us ) 1.907(54dots) D ( us ) 25.42(720dots)
  • Page 12 C ( us ) 3.810 (120 dots) D ( us ) 20.317 (640 dots) E ( us ) 0.508 (6 dots) 75Hz (75) O (ms ) 13.333 (500 lines) P ( ms ) 0.080 (3 lines) Q (ms ) 0.427 (16 lines) R ( ms ) 12.80 (480 lines) S ( ms )
  • Page 13 MODE NO. RESOLUTION 1024 x 768 Dot clock(MHz) 78.750 60.02kHz A ( us ) 16.66(1312 dots) B ( us ) 1.22 (96 dots) C ( us ) 2.23 (176 dots) D ( us ) 13.00 (1024 dots) E ( us ) 0.20 (16 dots) 75.03Hz O (ms )
  • Page 14 Monitor Block Diagram - 14 -...
  • Page 15 PCB CONDUCTOR VIEW Main Board Button Board - 15 -...
  • Page 16: Chapter 2 Operating Instrution

    OPERATING INSTRUCTIONS Front Panel Definition This Section defines the front panel User Interface for Led Indictor and Key function. Key Definition: There are five keys defined in this system and described bellows. * Adjusting display settings External Controls POWER Function UP/ PLUS DOWN / MINUS...
  • Page 17: Osd Menu

    OSD Menu Picture Brightness: This adjusts the brightness of the picture on the screen. Contrast: This adjusts dark and light shades of color relative to each other to achieve a comfortable contrast. Color temp. : There are three ways of adjusting color: Warm (Reddish white) Cool (Bluish white) User : You can adjust the colors red, green and blue to the intensity...
  • Page 18 Option Auto Configuration: System runs auto-configuration. Reset: Recall to default settings. Information: This shows brief information on the screen. Setting Language: Select the OSD menu language from English, French, German, Italian, Spanish, Simplified Chinese, Traditional Chinese, Japanese and Russian. OSD H. Position OSD V.
  • Page 19: Led Definition

    LED Definition The system equips one dual color (blue/amber) led to indict system status and defined as bellows : LED Color Blue Amber Dark 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 &...
  • Page 20 This monitor meets the Green monitor standards as set by the Video Electronics Standards Association(VESA) and/or the United States Environmental Protection Agency (EPA) and The Swedish Confederation Employees (NUTEK). This feature is designed to conserve electrical energy by reducing power consumption when there is no video-input signal present. When there is no video input signal this monitor, following a time-out period, will automatically switch to an OFF mode.
  • Page 21: Chapter 3 Machine Assembly

    Machine assembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance and trouble shooting NOTE : 1. The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding to avoid mismatch when putting back the components. 2.
  • Page 22 Real View : Top View : - 22 -...
  • Page 23 Side View : ( unit : mm ) Assembly process Picture Description 1.[GET PCB SHIELD AND PUT IT IN THE MIDDLE OF CONVEYER] 2.[GET M/B AND LCD CABLE,THEN INSERT LCD CABLE IN M/B CONNECTOR] 3.[GET BUTTON CABLE,THEN INSERT IT IN M/B CONNECTOR] 4.[ PUT M/B IN THE CONVEYER] - 23 -...
  • Page 24 1.[GET POWER/B] 2.[INSERT JUMPER IN THE APPOINTED PLACE OF JP10 AT POWER/B] 3.[GET AGGLUTINANT TO CONNECT THE JUMPER AND POWER/B] 4 .[MARK DOT IN THE PANE MARK OF POWER/B AS PICTURE SHOWS] 5. [ASSEMBLE POWER/B THAT IS OK IN THE SHIELDING] 1.[FASTEN 3*PCS SCREW(M3*6-B) IN P/B] 2.[FASTEN 3*PCS SCREW(M3*6-B) IN...
  • Page 25 1.[FASTEN 1*PCS SCREW(M3.5*8-B) IN THE APPOINTED PLACE OF POWER/B] 2.[GET POWER/B MYLAR,TEAR OFF BACK TYPE AND STICK ON THE APPOINTED PLACE] 3.[GET BUTTON CABLE THROUGH THE APPOINTED HOLE] 1. [MOVE PCB SHIELD TOTHE FRONT OF CONVEYER] 2 [GET PANEL AND PUT IT ON THE CONVEYER, THEN TEAR OFF THE INCOMING TAPE] - 25 -...
  • Page 26 1.[UNCOVER PANEL PROTECTIVE FILM AND INSPECT IF PANEL IS DIRTY OR SCRATCHED] 2.[PASTE TYPE ON THE PROTECTIVE FILM TO FASTEN IT] 3.[TURN LCD,TEAR OFF INCOMING TYPE] 1.[GET LEFT BKT , LOCK 2*PCS SCREW TO IT ON THE PANEL] 1.[GET RIGHT BKT , LOCK 2*PCS SCREW TO IT ON THE PANEL] - 26 -...
  • Page 27 1. [GET BEZEL AND CHECK ITS APPEARANCE] 2 .[ASSEMBLE BEZEL ON PANEL] 3. [STICK TYPE ON PROTECTIVE FILM] 4.[TURN LCD] 5.[FETCH TRAVEL CARD, TEAR OFF 1*PCS APPOINTED S/N FROM TRAVEL CARD AND PASTE IT ON THE RIGHT BKT] 1. [SCAN S/N AND POWER CODE] 2.
  • Page 28 1.[FASTEN BKT AND BEZEL IN THE RIGHT SIDE WITH SCREW 3*PCS ] 2.[SCAN S/N AND POWER CODE] 1.[GET SHIELD ON THE BKT R/L] 2. [INSERT LCD CABLE INTO PANEL CONNECTOR] 3. [STICK 1*PCS YELLOW TAPE TO FASTEN LCD CABLE] 4. [TRIM WIRES AND ASSEMBLE SHIELDING IN RIGHT POSITION] - 28 -...
  • Page 29 1. [LOCK 4*PCS SCREW(M3*3-I) TO FASTEN PCB SHIELD] 1.[FETCH BUTTON AND PUT IT IN THE MIDDLE OF CONVEYER] 2.[FASTEN 2*PCS IO-NUT IN THE M/B] 3.[INSERT UPPER CCFT CABLE IN POWER/B] 1.[FETCH BUTTON&ITS CABLE,THEN ASSEMBLE THEM] 2.[ASSEMBLE BUTTON/B AND BEZEL] 3.[LOCK 3*PCS SCREW(F3*8-I) TO FASTEN BUTTON/B ON THE BEZEL] 4.[STICK 1*PCS AL FOIL TO COVER UPPER CCFT CABLE]...
  • Page 30 1.[PASTE YELLOW TAPE TO FASTEN BUTTON/B CABLE] 2.[INSERT LOWER CCFT CABLE IN POWER/B] 3.[STICK 1*PCS AL FOIL TO COVER UPPER CCFT CABLE] 1.[GET LCD COVER AND INSPECT ITS APPEARANCE] 2.[ASSEMBLE LCD COVER TO BEZEL] 1.[FETCH TRAVEL CARD, TEAR OFF 1*PCS APPOINTED S/N FROM TRAVEL CARD AND PASTE IT ON THE COVER] 2.[LOCK 2*PCS SCREW (F3*8-B) TO...
  • Page 31 1.[GET STAND NECK AND INSPECT IF IT IS DIRTY AND SCRATCHED, THEN PUT IT IN THE CONVEYER] 1.[AT FIRST CHECK IF 2*PCS SCREW IN THE COVER IS LOST] 2. [LOCK 4*PCS SCREW (M4*8-B) TO FASTEN STAND NECK] 3. [GET HINGE CAP AND ASSEMBLE IT ONTO HINGE ] - 31 -...
  • Page 32: Chapter 4 Trouble Shooting

    TROUBLE SHOOTING This chapter provides trouble shooting information forAL1916 1. No Power No Power Check Power Board Output CN4 Pin 5,Pin6 =5V Check Scalar Module Output R96 =5V? R99 = 3.3V ? R98 = 1.8V ? Check Power Button From Scalar/B(CN6) to Button/B(CN1) - 32 - Chapter 4...
  • Page 33 2. No Characters , Missing one color Check Inverter From Change Power Board Scaler board OK ? Check or Change Cable Or Panel Change VGA Cable No Characters Missing one color Check CN4 5Vdc Output Check R96 5Vdc Output Check Q5 1.8Vdc Output Check U3(pin2) 3.3Vdc Output...
  • Page 34: Chapter 5 Connector Information

    Connector Information Phonejack stereo PIN1. AC power cord Video signal connector 15P Mini D-Sub connector x 1 MNEMO : CEE22 typed connector DB15HD SIGNAL Red Video Green Video Blue Video None Ground(DDC return) Red GND Green GND Blue GND + 5V (for DDC) Sync GND None DDC Data...
  • Page 35: Chapter 6 Fru List

    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.
  • Page 36: Chapter 7 Schematic Diagram

    Chapter 7 SCHEMATIC DIAGRAM Main Board Circuit - 36 -...
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  • Page 40: Chapter 8 Power Board Information

    Power Board Information Panel P/N AAM190EN129(AU) AA0190EA108(CPT) AA190E03069( LG) AAM190EX009(Samsung) AA19EL01001(QDI) AA90ME13006(Hannstar) P/B P/N AS05B312D00 AS05B520207 Description 19" M190EN04 REV:V5 19" CLAA190EA05 19"LM190E03 TLB1/TLB4 19"LTM190EX-L01 19"QD190EL01REV:01 19"HSD190ME13-A02 Description ADP/INV,FSP043-2PI01 90~264V GP ADP/INV,SLS0532D0248,90~264V,REV1A GP When the lamp current value is 7.0mA, the jumper should be done as the picture left shows - 40 -...

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Al1916e