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Acer V277 Lifecycle Extension Manual
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Acer V277 Lifecycle Extension Manual

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ACER_V277
LIFECYCLE EXTENSION
GUIDE
1

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Summary of Contents for Acer V277

  • Page 1 ACER_V277 LIFECYCLE EXTENSION GUIDE...

  • Page 2: Table Of Contents

    Safety Notice Any person attempting to service this chassis must familiarize with the chassis and be aware of the necessary safety precautions to be used when serving electronic equipment containing high voltage Important Safety Notice ACER S190HQL - 2 -...

  • Page 3: Important Safety Notice

    Product Announcement: This product is certificated to meet RoHS Directive and Lead-Free produced definition. Using approved critical components only is recommended when the situation to replace defective parts. Vender assumes no liability express or implied, arising out of any unauthorized modification of design or replacing non- RoHS parts.

  • Page 4: Exploded Diagram

    1. Exploded Diagram...

  • Page 5: Wiring Connectivity Diagram

    2. Wiring Connectivity diagram...

  • Page 6: Mechanical Instructure

    3. Mechanical Instruction Tools Required List the type and size of the tools that would typically can be used to disassemble the product to a point where components and materials requiring selective treatment can be removed. Tool Description: - working table - Screw-driver - Knife - glove...

  • Page 7: Assembly And Disassembly Procedures

    4. Assembly and Disassembly Procedures  Disassembly Procedure Step. 1 Pull the base & neck assembly out Step.2 Unscrew four screws Step.3 Separate hooks between MID_FRAME and Rear cover...
  • Page 8 Step 4. Pull up the Rear Cover and pull out all connectors Step.5 Unscrew screws on main shielding and disassemble AL tape Detail AL tape location as below: Step.6 Separate speaker from MID_FRAME and LVDS & Backlight FFC from LCM...
  • Page 9 Step.7 Unscrew two hex nuts and seven screws and remove main board PCBA from main shielding. Step.8 Remove connecter cable and separate main board and power board, separate mylar and shielding Step.9 Unscrew eleven screws and separate MID FRAME and panel Step.10 Separate lens from MID frame Step.11 Unscrew two screws and disassemble key board from rear cover and separate navi key&...
  • Page 10 Step.12 Separate wall-mount BKT and display key from rear cover Step.13 Unscrew the screw and separate base & neck assembly Step.14 Remove six silicon rubbers and unscrew seven screws to separate metal and plastic cover Step 15. Separate back cover from neck, unscrew five screws and separate front cover from hinge assy.
  • Page 11  Assembly Procedure Step1. Assembly main board into shielding, use screw to fix. Assembly main board on LCM. Step2. Insert 30 pin LVDS FFC to LCM, then use acetate cloth tape to tape FFC. Step3. Lock the shielding on panel with screw. (in red circle) Step4.
  • Page 12 Step5. Insert 10 pin back light FFC to panel and main board, use yellow tape to fix. (Tape in red circle). Step6. Insert 10 pin back light FFC and 30 pin LVDS FFC to main board. Use yellow tape to fix. Step7.
  • Page 13 Step9. Lock middle frame screw (in red circle) Step10. If with speaker model, assembly speaker on middle frame, and assembly speaker cable on main board. (red and white cable is on left side, yellow and black is on right side.) Step11.
  • Page 14 Step13.Assembly rear cover, and push around the surrounding to assembly well. Step14. Lock the screw on rear cover (in red circle).

  • Page 15: Troubleshooting

    5. Troubleshooting 5.1 Test flow for abnormal machine: Start Power cord plug Check DC Power into AC source is 19V? power? Check adaptor blink Key’s LED No input signal indicator is light or blink? light Re-insert 30pin LVDS cable BLACK screen between LCM and main board but a little light? Still BLACK...
  • Page 16 5.2 key debug flow: Key Debug Replace keyboard Check U12 works Key works? 5.3 Panel debug flow (bmipx&bmix&bip): LCM power Debug Disconnect LVDS cable Check LCM power Replace panel (R82) 5V ok? Check Q1 pin2 is 5V? Check set is ok? Check Q2 pin2 is high?(＞2.4V) Check U12 works...
  • Page 17 Panel debug flow (bi): LCM power Debug Disconnect LVDS cable Check LCM power Replace panel (R500) 5V ok? Check Q500 pin2 is Check set is ok? Check Q501 pin2 is high?(＞2.4V) Check U400 works Replace Q500...
  • Page 18 5.4 LED backlight debug flow： LED driver Debug Reassemble BR67 Replace FB36 Check Net FB36 is 19V_BLD is open? 19V? BU3 is damaged? Replace BU3 BD4 is damaged? Replace BD4 BR31 is open? Replace BR31 Check BU5 pin5 Check NET BL_CTRL Open BR67 is high ? level is high?

  • Page 19: Fru List

    INVERTER / Power BD 55.TFQM5.001 R050005062230 A-D PSU 1.68 A 19V (ADO-32W1 19 Ver.A7)_ACER BV7 INVERTER / Power BD 55.T0WM5.046 R050005062180 A-D PSU 1.3 A 19V ADO-25W1 19(x) _ ACER V226HQL BOARD 55.TFQM5.002 R352712920150 MAIN BD ASS'Y BOM_V277 bmipx_PVT BOARD 55.TFQM5.003 R352710920150 MAIN BD ASS'Y V277 bmix (RTD2513AR)ES7.0...