Acer K10 Service Manual
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Acer K10 Service Manual

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Acer K10
Service Manual
100%
Recycled Paper
Date:2008/12/31
K10

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Summary of Contents for Acer K10

  • Page 1 Acer K10 Service Manual 100% Recycled Paper Date:2008/12/31...
  • Page 2 Update History 2008/12/31 First edition completed...
  • Page 4 Safety Instructions...
  • Page 5 Conventions The following conventions are used in this manual Screen Messages Denote actual messages that appear on screen. Give bits and pieces of additional information Note related to he current topic. Alert you any damage that might result form doing or not Warning doing specific actions.

  • Page 6: Table Of Contents

    1 System Introduction ........................1 1.1 Technical Specification ....................1 1.2 System Block Diagram....................4 2 Firmware Upgraded Flow .......................5 2.1 Check FW version ......................5 2.2 Setup Tool/Equipment ....................5 2.3 Upgrading Procedure ....................5 Machine Disassembly and Replacement ................10 3.1 Tools ..........................10 3.2 Disassembly Procedure..................... 10 Mechanical Drawing ....................16 Troubleshooting and Verifying the Repair .................17 Troubleshooting ......................17...

  • Page 7: System Introduction

    1 System Introduction 1.1 Technical Specification DLP Single Panel Projector Display Type Panel Type Y 0.45” DMD *Model NO. *Size 0.45 inch (single panels) *Driver Type DDP 2230 *Pixels (Resolution) 858 x 600 *Pixel Failure As shown below, based on “Image Quality (follow TI spec.) Specification”...
  • Page 8 Sound Noise @ 25% overlapping 25 degree C: 32dBA; (typical) @ 50% overlapping 25 degree C: 35dBA (typical) 24 bits Color system PC Compatibility 15 ~ 100 KHz *Horizontal frequency 43 ~ 85 Hz *Vertical frequency 13 ~ 170MHz *Pixel Rate Vertical: +/- 20 degree Digital Keystone Correction Other Key Feature...
  • Page 9 EN55024: 1998+A1: 2001+A2: 2003 - IEC 61000-4-2:1995+A1:1998+A2:2001 - IEC 61000-4-3:2002+A1:2002 - IEC 61000-4-4:1995+A1:2001+A2:2001 - IEC 61000-4-5:1995+A1:2001 - IEC 61000-4-6:2004 - IEC 61000-4-8:1993+A1:2001 - IEC 61000-4-11:1994+A1:2001 <China> GB4943-2001, GB9254 -1998 Class-B, GB17625.1 -2003 <Others> PSE, <Environment -related> Lead-free soldering (including PCB mark ing), RoHS, WEEE, Vermont's Labeling Law for lamp containing Mercury...

  • Page 10: System Block Diagram

    1.2 System Block Diagram...

  • Page 11: Firmware Upgraded Flow

    2 Firmware Upgraded Flow This chapter provides the information regarding relevant equipments and upgrading procedure for firmware upgrade. Note: Please check the firmware and composer version before any firmware upgrade procedures. During firmware download period, please do not shut down PC or projector, this will cause flash memory’s damage.
  • Page 12 2. Installation starts. Click [Next] to continue the installation process. 3. On the [License Agreement] screen, move the scroll bar on the right to the bottom, select [I accept and agree to be bound by all the term s and conditions of this License Agreement], and click Next to continue the installa tion process.
  • Page 13 USB Support - Installation (All Platforms) This release includes support for a USB communications interface to DDP2000-based projectors. The setup program includes the files needed to install USB support (for Windows 98/Me/2000/XP only --- Win95 and WinNT are not supported). After DLP Composer ™...
  • Page 14 3. Select [Edit]/[Preferences]/[Communications] to check USB in [Projector Interface]. 4. Click [USB Device Identification]. 5. Set the items on the [Vendor 0x451, Product 0x2000 ]. 6. Click [OK]. 7. Move the cursor to [Flash Loader] on the Project window of [DLP Composer Lite]. (The [Flash Loader] screen will appear.) 8.
  • Page 15 Click [Yes 12. Wait for the Completion of Burning and then remove Power Cord and Burning Cable.

  • Page 16: Machine Disassembly And Replacement

    3 Machine Disassembly and Replacement 3.1 Tools Item Photo Long Nose Nipper Nipper Screw Bit(+):2*5*40 Screw Bit(+):2*4*60 Anti-static wrist strap Anti-static wrist gloves 3.2 Disassembly Procedure Warning Put on the Static Electricity Ring when starting for repair. Repair Environment suggest in Clean-room class 10000. Do not remove Optical Engine or DMD panel outside the clean room.
  • Page 17 Step Figure Description 1. Press the power button to shutdown the projector and disconnect the power cord. 2. Flip the projector and remove the lens cover. 1. Loosen screws J82035-2510-00*2 J82035-2510-00*2 as shown. 2. Loosen the screws J1635-3673-00*4. J1635-3673-00*4 Raise the top cover gently and disconnect the keypad FFC between the top cover and mainboard.
  • Page 18 Loosen the four screws J1635-2901-00*4 to remove the keypad . J1635-2901-00* Remove the Lens Cover and Lens Ring gently. Lens Cover Lens Ring Loosen the four screws J1635-A074-00*4 J1635-A074-00*4 moving Bottom Cover. 1. Unplug the LED Drive Board from Main Board. 2.
  • Page 19 Loosen the two screws J1635-A074-00*2 J1635-A074-00*2 Drive Board remove the Drive Board Heat sink. 1. Unplug Photo Sensor Wire and Fan Wire Fan Wire Photo Sensor Wire from the Main Board. 2. Loosen three screws J1635-A074-00*3. 3. Remove Main Board. J1635-A074-00*3...
  • Page 20 1. Loosen the screw Long Short J1635-3172-00 to remove the Photo Sensor Board. 2. Unplug the three LED Wires. LED Wires J1635-3172-00 Loosen screws J1635-2021-00*4 J1635-2021-00*4 for raising the DMD Board and DMD Heat sink. Loosen the two screws J1635-2290-00*2 to J1635-2290-00*2 remove the Focus-ring.
  • Page 21 Loosen the four screws J1635-2250-00*4 to J1635-2250-00*4 remove the Lens. Loosen the three screws J1635-2021-00*3 to remove the DC Fan. J1635-2021-00*3 Loosen the screws J1635-2021-00*4 and J1635-2250-00 J1635-2250-00*2 to remove the heat sink. J1635-2021-00*4 Note Note: When assembling the Thermal Pad protection film heat sink, please take the LED Thermal Pad protection film off firstly.

  • Page 22: Mechanical Drawing

    3.3 Mechanical Drawing 1. Top Cover 2. Lens Ring 3. Lens Cover 8. LED Drive Board 6. Optical Engine 4. DMD Heatsink 9. Drive_Board Heatsink 5. DMD Board 7. LED Heatsink 10. Main Board 11. Bottom Cover 12. Foot Screw...

  • Page 23: Troubleshooting And Verifying The Repair

    4 Troubleshooting and Verifying the Repair This chapter provides technicians and people who have an electronic background a primary description about maintaining the product. Moreover, you can get the appropriate operation to solve some complicated problems of component repairing and professional problems.
  • Page 24 Power Source Troubleshooting N o P o w e r Source after t u r n i n g o n Check AC Replace AC socket and socket connector Replace Check LED keypad PFC and keypad Replace Check Mainboard power cable and power cable Replace...
  • Page 25 Fan Failure Troubleshooting Fan failure after turning Reconnect Check Fan connection Replace fan Check Fan Replace Mainboard Check Mainboard...
  • Page 26 Video Signal and VGA Signal Troubleshooting Computer Video No No Signal Signal Turn on Turn on Check Check source source Source Source Replace Replace Check Check Cable Cable Cable Cable Replace Replace Check Check Main Board Main Board Main BOard Main Board...
  • Page 27 Image Color abnormal abnormal Adjust Input Power on Check input Signal again and cable and reset OSD signal setting Replace Adjust Input Check Check input Mainboard Signal Mainboard cable and signal setting Replace Replace Check Check Mainboard Optical Optical Mainboard engine engine Replace...
  • Page 28 Operation Function Troubleshooting Button Failure Replace Check Keypad and Keypad and Replace Check Mainboard Mainboard...

  • Page 29: Verifying The Repair

    Verifying the Repair After repairing projector (Dissembling and assembling projector), Repair center should verify the quality of repaired unit. Here is a general guide for all repaired model. That means if the projector is without S-Video port, repair center can skip the portion of S-Video verification.
  • Page 30 (3) Image Quality Projected image size: 25 inches (diagonal length). Zoom ring: Adjust zoom ring to wide (Maximum projection size). I/O port Monitor In (VGA) Standard Pattern generator (Ex. Quantum da ta) Test Equipment Signal format 800*600 60Hz Projected image size 25”...
  • Page 31 Circular Geometry, Cross hatch and Dots 1. The four lines of outer frame should not only be existent but also distinguishable. 2. The dots in the square should be distinguishable. Scaled Text 1. Rotate Zoom ring to wide mode (Maximum projected image) 2.

  • Page 32: Connector Information

    Video Video I/O port Test Equipment Standard Pattern generator (Ex. Quantum data)&DVD player No apparent color deviation on the projected image Criteria Connector Information This section provides each connector location on boards and function of each board. They will be useful for your detecting the defective boards. 5.1 Main Board J 10 Connector...

  • Page 33: Led Drive Board

    5.2 LED Drive Board J4: G J3: B J2: R Connector Description LED-R LED-B LED-G...

  • Page 34: Appendix A: Measurement Method And Formula

    Appendix A: Measurement method and Formula Equipment : Chroma 7600 Video Pattern Generator values Set projection diagram to wide size, 25 ” inches diagonal image 1. Bightness measurement Measure the incident light at th e ANSI nine points of the screen with the illuminometer placed in the plane of the focused image on normal white condition.

  • Page 35: Contrast Measurement(Jbma)

    Light Uniformity Dark corner (Min(L10, L11)/Avera L1, L2,…,L9, L10, L11: the lx reading of 13 ANSI points 4. Contrast measurement(JBMA) First measure the light output of nature white pattern of ANSI nine points. Second, measure the dark pattern as the same way. And calculate the ratio of them. Test Pattern: Full White and Full Dark Test Pattern Formula: Average(L1,L2,L3,L4,L5,L6,L7,L8,L9) of NW : Average(L1,L2,L3,L4,L5,L6,L7,L8,L9) of...

  • Page 36: Appendix B: Computer Compatibility

    Appendix B: Computer Compatibility Horizontal Frequency Mode Resolution Vertical Frequency (Hz) (kHz) 59.940 Hz 31.469 kHz 72.809 Hz 37.861 kHz 640 x 480 75.000 Hz 37.500 kHz 85.008 Hz 43.269 kHz 56.250 Hz 35.156 kHz 60.317 Hz 37.879 kHz SVGA 800 x 600 72.188 Hz 48.077 kHz...

  • Page 37: Appendix D: Spare Parts List

    When working on the projector, use appropriate anti -static precautions such as anti -static mats, wrist straps and grounded work surfaces. Failure to do this can destroy static-sensitive components and make the product inoperable. Note: FW Upgrade cable Acer PN: 50.J860F.003...

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