Asus VIVOBOOK K3402ZA Series Repair Manual
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Asus VIVOBOOK K3402ZA Series Repair Manual

Asus VIVOBOOK K3402ZA Series Repair Manual

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ASUS VIVOBOOK
K3402ZA series
Repair Manual
IMPORTANT NOTICE:
This document is intended for ASUS Authorized Service Providers only. Performing any repairs without authorization will void
warranty. ASUS will not be liable for any damages that may occur while performing any procedures provided in this guide.

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Summary of Contents for Asus VIVOBOOK K3402ZA Series

  • Page 1 Repair Manual IMPORTANT NOTICE: This document is intended for ASUS Authorized Service Providers only. Performing any repairs without authorization will void warranty. ASUS will not be liable for any damages that may occur while performing any procedures provided in this guide.
  • Page 3 Service Overview • ASUS is not responsible for direct, indirect, intentional o unintentional damages resulting from improper installation and operation. • Carefully read through this Service Guide for a look at various components of the device before performing any service and repairs.
  • Page 4 Pre-repair checklist • Read the entire manual before starting any service procedures and follow all instructions. • Back up the data on your device. • Place your device on a clean and stable surface. • Turn off your device. • Disconnect all connected peripherals and cables.
  • Page 5 ASUS VIVOBOOK series Overview K3402ZA Top View Bottom View ❶ Air vents ❶ Array microphones ❷ Audio speakers ❷ Webcam shield ❸ Camera ❹ Camera indicator ❺ Display panel ❻ Microphone indicator ❼ Keyboard ❽ Capital lock indicator ❾ Touchpad/NumberPad (on selected models) ❿...
  • Page 6 OLED_PANEL Components Top View LCD BEZEL OLED 14' LCD COVER MODULE KEYBOARD MODULE OLED PNL BKT CPU FAN BASE CASE IO BOARD MAIN BOARD THERMAL MODULE ASSY SSD PLATE TOUCHPAD MODULE HINGE CAP HINGE SPEAKER BATTERY OLED EDP CABLE ANTENNA SET CLICKPAD FFC BATT SPONGE BATT CABLE...
  • Page 7 OLED_PANEL Components Bottom View CP COND TAPE L KEYBOARD MODULE LCD COVER MODULE SPK CABLE RUBBER KB MEM PT MYLAR CP COND TAPE L BATT MYLAR LCD BEZEL BASE CASE THERMAL MODULE ASSY TOUCHPAD MODULE LCD BEZEL SPONGE LCD BEZEL MYLAR LCD BEZEL SPONGE ClickPad NumberPad...
  • Page 8 IPS_PANEL Components Top View LCD BEZEL ISP 14' LCD COVER MODULE KEYBOARD MODULE CAMERA LCD MIC RUBBER CPU FAN BASE CASE IO BOARD MAIN BOARD THERMAL MODULE ASSY TOUCHPAD MODULE SSD PLATE HINGE CAP HINGE SPEAKER BATTERY ANTENNA SET CLICKPAD FFC IPS EDP CABLE BATT SPONGE BATT CABLE...
  • Page 9 IPS_PANEL Components Bottom View KEYBOARD MODULE CP COND TAPE L LCD COVER MODULE SPK CABLE RUBBER KB MEM PT MYLAR CP COND TAPE L BATT MYLAR BASE CASE LCD BEZEL THERMAL MODULE ASSY TOUCHPAD MODULE LCD BEZEL ADHESIVE ClickPad NumberPad IPS 14' Panel MAIN BOARD IPS PNL ADHSIVE...
  • Page 10 Repair Overview This chapter describes disassembly and assembly (Assemble document please look up from the last page), please follow the information provided in this section to perform the complete disassembly procedure. Precautions: Before you perform any service or repair on the notebook, please pay special attention to the cautions prevent any damages to the notebook. 1.
  • Page 11 Appropriate Tools Please prepare and select the appropriate tools to disassemble/assemble for the ASUS VIVOBOOK K3402ZA series notebook. Screwdriver Alcohol 95% Glove Dust-free Cloth Please accord to different screw specification to choose different screwdriver and head. Plastic Blade Thermal Pad Plastic Tweezers Use a pair of tweezers to remove/insert/tidy cables.

  • Page 12: Bottom Case

    BOTTOM CASE Disassembly Notice Step 1 : Remove screws *9pcs. Step 2 : Use plastic blade to pry the bottom case. Screws Spec Torque (kgf-cm) SCREW M2*9L K W-NI T5 (2E/2G) 2.0±0.2 SCREW M2*9L K B-PVD (2K) SCREW M2*3.5L K W-NI T5 (2E/2G) 2.0±0.2 SCREW M2*3.5L K B-PVD T5 (2K) Start...
  • Page 13 DISCONNECT BATTERY CONNECTOR Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Before disassembly battery connector, please be sure to pull out adapter and disconnect the battery more than ten seconds in order to IC damage. Step 1 : Use the non-conductive pry tool to push iron sheet.
  • Page 14 Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Unlock the RAM module. Step 2 : Remove the RAM module. Assembly Notice Step 1 : Align and insert the new RAM module at 30° into the memory slot. °...
  • Page 15 Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Release the Black mylar from motherboard. Screws Spec Torque (kgf-cm) Step 2 : Remove the screw*1pc. Step 3 : Take away the SSD PLATE (with Black mylar and Thermal Pad). SCREW M2*3L K B-NI #1 NY 2.0±0.2 Step 4 : Remove the SSD.
  • Page 16 Assembly Notice Please be sure to pull out adapter and disconnect the battery. When installing the SSD, please keep the SSD less then 15 degrees with motherboard, and then insert the SSD. >15° <15° When installing the SSD, please follow the steps below. 1.
  • Page 17 BATTERY Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Before disassembly battery connector, please be sure to pull out adapter and disconnect the battery more than ten seconds in order to IC damage. Step 1 : Remove screws *6pcs. Torque(kgf-cm) Assembly Notice Step 2 : Release the speaker cable.
  • Page 18 WIFI CARD Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Tear off the CABLE TAPE on WIFI module. Step 2 : Disconnect the black RF CABLES*2pcs(yellow marks). Screws Spec Torque (kgf-cm) Step 3 : Remove the screw*1pc and the WIFI CARD SCREW M2*3L K B-NI #1 NY 2.0±0.2 Tear off...
  • Page 19 IO BOARD Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Screws Spec Torque (kgf-cm) Step 1 : Disconnect the FFC. Step 2 : Remove screw *1pc. SCREW M2*3L K B-NI #1 NY 2.0±0.2 Step 3 : Remove the IO BORAD. Assembly Notice Disconnector If FFC is damage during disassembly, please...
  • Page 20 SPEAKER Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the SPEAKER connector. Step 2 : Remove SPEAKER. Assembly Notice For Speaker assembly, please follow the mark below to tidy cable. SPK CABLE RUBBER Remove Disconnect Back...
  • Page 21 Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the fan connect. Screws Spec Torque (kgf-cm) Step 2 : Remove screws *3pcs. SCREW M2*4L (K) B-ZN #1 NY 2.0±0.2 Step 3 : Remove FAN *1pc. Disconnect Assembly Notice Please use the correct technique to take...

  • Page 22: Thermal Module

    THERMAL MODULE (with MAIN BOARD) Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Release the tape (red mark). Screws Spec Torque (kgf-cm) Step 2 : Disconnect (yellow mark) connector *6pcs. SCREW M2*4L (K) B-ZN #1 NY 2.0±0.2 Step 3 : Remove screws *12pcs.
  • Page 23 THERMAL MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Remove screws *4pcs. Screws Spec Torque (kgf-cm) Step 2 : Remove the THERMAL MODULE from MB. SCREW M2*3L K B-NI #1 NY 2.0±0.2 Recommend that the force point is at green block, and pull up thermal module to take it out.

  • Page 24: Main Board

    MAIN BOARD Mainboard connector placement POWER FFC EDP CABLE SPEAKER TP FFC I/O to MB K/B FFC I/O FFC TP to MB CNTR CNTR BL FPC Back...

  • Page 25: Touchpad Module

    TOUCHPAD MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the TP FFC. Screws Spec Torque (kgf-cm) Step 2 : Release the tape and sponge and remove TP FFC. SCREW M2*2L K W-NI #1 NY 1.7±0.2 Step 3 : Release sponge and mylar and gasket.

  • Page 26: Keyboard Module

    KEYBOARD MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Release the Antenna. Assembly Notice Step 2 : Open and remove keyboard module. Please follow the mark below to tidy cable. Release Open and remove Antenna under the AL Foil.

  • Page 27: Lcd Bezel

    LCD BEZEL Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Put in the Plastic Blade in the HINGE COVER and lift up the HINGE COVER. Step 2 : Remove the HINGE COVER. Step 4-1~4-4, please follow the below picture to remove the bezel, Step 3 : Remove Bezel Screw *2 pcs.
  • Page 28 LCD BEZEL Assembly Notice Please be sure to pull out adapter and disconnect the battery. Please follow the mark below to tidy cable. Please follow the mark below to Hinge cap. Back...
  • Page 29 OLED_LCD PANEL Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Pull out LCD adhesive *2pcs. Screws Spec Torque (kgf-cm) Step 2 :Remove the screws*6pcs then remove the hinges*2pcs. Step 3 : Remove LCD PANEL ASSY. SCREW M2*2.5L (K) W-NI,NY #1 2±0.2 kgf-cm Unscrew and Remove...
  • Page 30 OLED_LCD PANEL Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Pull out LCD adhesive *4pcs. Step 2 : Remove LCD PANEL. Remove the panel Please pull the adhesive up about 30 degree slowly, and don't pull out the tape in vertical direction! 。...
  • Page 31 OLED_LCD PANEL Assembly Notice Please be sure to pull out adapter and disconnect the battery. When reuse the LCD PANEL: When assembly the OLED PNL : Please use the fingertip to clean the residual glue on PANEL or BEZEL. Step 1 : Paste Mylar2 NB LCD MYLAR on OLED PNL BKT. (Positions as below red mark)​ When reuse the OLED PNL BKT : Please paste new OLED BTM ADHSIVE*2pcs &...
  • Page 32 IPS_LCD PANEL Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Pull out LCD adhesive *2pcs. Step 2 :Remove the screws*6pcs then remove the hinges*2pcs. Screws Spec Torque (kgf-cm) Step 3 : Remove LCD PANEL. SCREW M2*2.5L K B-ZN #1 NY 2.0±0.2 Unscrew and Remove...
  • Page 33 IPS_LCD PANEL Assembly Notice Please be sure to pull out adapter and disconnect the battery. When reuse the LCD PANEL: Please follow the mark to tidy cable. Please use the fingertip to clean the residual glue on PANEL or BEZEL. (Yellow mark for EDP cable, Green mark for Antenna.) When reuse the LCD COVER: Please paste new PANEL ADHESIVE *2pcs.
  • Page 34 CAMERA Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Remove the camera. Assembly Notice Step 2 : Tear off the acetate. Step 3 : Disconnect the camera connector then remove the camera cable. For CMOS CABLE assembly , Please follow below Remove steps to assemble the CMOS CABLE.

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