Asus UX8402 Series Repair Manual
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Asus UX8402 Series Repair Manual

Asus UX8402 Series Repair Manual

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ASUS UX8402 series
Repair Manual

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Summary of Contents for Asus UX8402 Series

  • Page 1 ASUS UX8402 series Repair Manual...
  • 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 UX8402 series Overview Top View Bottom View ❶ Array microphones ❶ Air vents ❷ Camera indicator ❷ Audio speakers ❸ Camera ❹ Touch screen panel ❺ Microphone indicator ❻ Keyboard ❼ Capital indicator ❽ Ambient light sensor ❾ Camera off indicator ❿...
  • Page 6 Components Top View BASE CASE BATTERY WIFI MYLAR THM FAN2 HINGE SYS R CABLE BKT MYLAR 2 EDP BKT BATTERY RF GASKET 2 BATTERY RF GASKET 1 BATTERY CABLE THERMAL MODULE ASSY MIDDLE FRAME HINGE SYS L CABLE BKT MYLAR 3 KEYBOARD MODULE HINGE C1 CAP R ASSY THM SSD GS...
  • Page 7 Components Bottom View BASE CASE BATTERY AUDIO_BD THM FAN1 KEYBOARD MODULE THM FAN2 SPEAKER WIFI ANTENNA MAIN BOARD Back...
  • Page 8 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 9 Appropriate Tools Please prepare and select the appropriate tools to disassemble/assemble for the ASUS UX8402 series notebook. Screwdriver Alcohol 95% Glove Dust-free Cloth Please accord to different screw specification to choose different screwdriver and head. #1, #4 Plastic Blade NB LCD MYLAR *4pcs Use it to align panel position.

  • Page 10: Bottom Case

    BOTTOM CASE Disassembly Notice Screws Spec Torque (kgf-cm) Step 1 : Use T5 Screwdriver to remove screws*10pcs. Step 2 : Use the non-conductive pry tool to pry the bottom case. M2*2.5+0.5 K SUS T5 NY 2.0±0.1 M2*2L+0.5 K B-PVD T5 2.0±0.1 M2*7.5+0.5L K CL+PVD T5 2.0±0.1...
  • Page 11 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 avoid IC. damage.
  • Page 12 Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Tear off the SSD MASK MYLAR. Screws Spec Torque (kgf-cm) Step 2 : Remove the WARRANTY VOID LABEL and (red mark) screw*1pc. M2*2.5L K B-ZN #1 NY 2.0±0.1 Step 3 : Remove the M.2 card (SSD)*1pc.
  • Page 13 Assembly Notice Please be sure to pull out adapter and disconnect the battery. Paste and wrap the THM SSD GS on M.2 card (SSD) as illustrated. When installing the SSD, please follow the steps below. Step 1 : Align and insert the new M.2 card into the module slot. Step 2 : Tighten the one screw.
  • Page 14 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 avoid IC damage. Step 1 : Remove the (red mark) screws*4pcs. Screws Spec Torque(kgf-cm)
  • Page 15 SPEAKER Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect the (red mark) connector*1pc. Step 2: Release the (yellow mark) ACETATE TAPEs*2pcs. Assembly Notice Step 3 : Remove the SPEAKER. Please follow the below illustrations to assemble the SPEAKER module. Disconnect the connector in red mark Release tapes in yellow marks Remove...

  • Page 16: Wifi Antenna

    WIFI ANTENNA Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Tear off the (yellow mark ) transparent WIFI MYLAR. Assembly Notice Step 2 : Disconnect and remove the RF CABLES*2pcs in (yellow marks). Please follow the below illustrations to assemble the SPEAKER Step 3 : Release the tape then remove WIFI ANTENNA.

  • Page 17: Thermal Module

    THERMAL MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Please follow the reverse screws numbers to remove screws*5pcs. Screws Spec Torque (kgf-cm) Step 2 : Remove the THERMAL MODULE from MB. M2*2.7L K B-NI #0 NY 2.0±0.1 Recommend that the force point is at green block, and pull up thermal module to take it out.
  • Page 18 FAN and MAIN BOARD Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect and remove the (orange mark) AUDIO BD FFC. Screws Spec Torque (kgf-cm) Step 2 : Disconnect the (yellow squares) connectors*9pcs. M2*2.7L K B-NI #0 NY 2.0±0.1 Step 3 : Remove (red, green, orange, blue &...

  • Page 19: Main Board

    MAIN BOARD Mainboard connector placement FAN2 FAN1 TP FFC SPEAKER BL FFC BATTERY KB FFC Main panel Main touch+cmos+tof panel + 2 touch Back...
  • Page 20 MAIN BOARD(UX8402Z) Materials on mainboard UX8402ZE MB RUBBER TOP UX8402ZE VGA MYLAR UX8402ZE DDR MYLAR UX535QE EC CHIP PROTECT MYLAR UX8402ZE BATTERY MYLAR Back...
  • Page 21 MAIN BOARD(UX8402V) Materials on mainboard UX8402ZE MB RUBBER TOP UX8402VU VGA MYLAR UX8402ZE DDR MYLAR UX535QE EC CHIP PROTECT MYLAR UX8402ZE BATTERY MYLAR Back...
  • Page 22 MAIN BOARD(UX8402Z) Materials on mainboard UX8402ZE HDMI GASKET UX8402ZE MB TOP MYLAR UX8402ZE CPU BKT ASSY UX8402ZE LED SPONGE UX8402ZE(AS) MB RUBBER TOP Back...
  • Page 23 MAIN BOARD(UX8402V) Materials on mainboard UX8402ZE HDMI GASKET UX8402VU MB TOP MYLAR UX8402VU CPU BKT ASSY UX8402ZE LED SPONGE UX8402ZE(AS) MB RUBBER TOP Back...

  • Page 24: Audio Board

    AUDIO BOARD Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Remove the (yellow mark) screws*2pcs. Screws Spec Torque (kgf-cm) Step 2 : Remove the AUDIO BOARD. 2.0 ± 0.1 M2*2.7L K B-NI #0 NY Assembly Notice Paste new AUDIO BD MYLAR BOT as illustrated.
  • Page 25 12.7' SECOND PANEL Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Remove the (red & yellow mark) screws*7pcs then remove HINGE SYS (R) & (L). Screws Spec Torque (kgf-cm) Step 2 : Separate the Keyboard module and 2nd Panel with the LCD module. M1.6*2.5L K B-ZN #0 2.0±0.1 M2*3L K W-NI #1 NY...
  • Page 26 12.7' SECOND PANEL Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 3 : Remove the (orange mark) screws*4pcs. Screws Spec Torque (kgf-cm) Step 4 : Remove the HINGE C1 CAP (L) & (R) and HINGE C1 CAP RUBBER*2pcs. 2.0 ±...
  • Page 27 12.7' SECOND PANEL Assembly Notice Please be sure to pull out adapter and disconnect the battery. Before assembling the 2nd PANEL, please note the alignment posts/ holes as illustrated. LCD1 EDP cable LCD1 TP CABLE Panel EDP cable...
  • Page 28 12.7' SECOND PANEL Assembly Notice Please be sure to pull out adapter and disconnect the battery. Please follow the illustrations to assemble the 12.7 SECOND PANEL. Paste Tighten screws Paste CABLE BKT MYLAR 2 CABLE BKT MYLAR 3 LVDS BKT Left Right EDP BKT...
  • Page 29 12.7' SECOND PANEL Assembly Notice Please be sure to pull out adapter and disconnect the battery. Please follow the illustrations to assemble the 12.7 SECOND PANEL. Pass the EDP cables carefully through the holes.
  • Page 30 12.7' SECOND PANEL Assembly Notice Please be sure to pull out adapter and disconnect the battery. ECN Change: Please follow the illustrations to assemble CABLE SPONGE*2 PCS.

  • Page 31: Keyboard Module

    KEYBOARD MODULE Disassembly Notice Please be sure to pull out adapter and disconnect the battery. Step 1 : Disconnect and remove the (yellow mark) TP FFC . Assembly Notice If FFC is damage during disassembly, please replace new one. Here are some samples of FFC damage: Back...
  • Page 32 14.5' OLED MODULE Disassembly Notice LCD module can't be disassembly. Step 1 : Use the Plastic tweezer to remove (red mark) HINGE CAP RUBBER I*2pcs from the inside of the hinges. Step 2 : Use the Plastic tweezer to remove (blue mark) HINGE CAP RUBBER O (L) & (R) from the outside of the hinges. LCD as a Module can’t be disassembly.

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