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Asus C434TA Service Manual
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Service Overview
C434TA Service manual
COPYRIGHT INFORMATION
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by
any means, except documentation kept by the purchaser for backup purposes, without the express
written permission of ASUSTeK COMPUTER INC.("ASUS").
ASUS PROVIDES THIS MANUAL "AS IS"WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS,
EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF
BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
ARISING FROM ANY DEFECT OR ERROR INTHIS MANUAL OR PRODUCT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identification or explanation and to the
owners' benefit, without intent to infringe.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE
FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECTTO CHANGE AT
ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A
COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY
ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE
PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Copyright ○
2023 ASUSTeK COMPUTER INC. All Rights Reserved.
c
LIMITATION OF LIABILITY
Circumstances may arise where because of a default on ASUS' part or other liability, you are entitled to
recover damages from ASUS. In each such instance, regardless of the basis on which you are entitled to
claim damages from ASUS, ASUS is liable for no more than damages for bodily injury (including death)
and damage to real property and tangible personal property; or any other actual and direct damages
resulted from omission or failure of performing legal duties under this Warranty Statement, up to the
listed contract price of each product.
ASUS will only be responsible for or indemnify you for loss, damages or claims based in contract, tort or
infringement under this Warranty Statement.
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Summary of Contents for Asus C434TA

  • Page 1 Warranty Statement, up to the listed contract price of each product. ASUS will only be responsible for or indemnify you for loss, damages or claims based in contract, tort or infringement under this Warranty Statement.
  • Page 2 Service Overview This limit also applies to ASUS' suppliers and its reseller. It is the maximum for which ASUS, its suppliers, and your reseller are collectively responsible. UNDER NO CIRCUMSTANCES IS ASUS LIABLE FOR ANY OF THE FOLLOWING: (1) THIRD-PARTY CLAIMS AGAINSTYOU FOR DAMAGES; (2) LOSS OF, OR DAMAGE TO,YOUR RECORDS OR DATA;...
  • Page 3: Service Overview

    C434TA before performing any service and repairs. o provide the best service and support for the ASUS C434TA, we have provided the below information for technicians from distributors and resellers to perform the complete C434TA disassembly and assembly. But before performing the procedures, please be sure to read through the overview in this part for component overview to avoid any unwarranted damages to the C434TA’s hardware.
  • Page 4 Service Overview C434TA Overview In this section, an overview for the C434TA, along with its components, will be presented. C434TA Overview O V E R V I E W The illustrations below show the C434TA’s overview from front view, right side view, left side view, and rear side view.
  • Page 5 Disassembly Procedure Rear View BACK 2 - 5 V1.0...
  • Page 6 Disassembly Procedure Components O N E N T S The illustrations below show the components of the C434TA LCD Cover L C D The illustration below shows the LCD model . C O V E R Top Case C A S E The illustration below shows the top case.
  • Page 7 Disassembly Procedure Thermal Module R M A L The illustration below shows the thermal module. D U L E Battery T T E R Y The illustration below shows the battery. Main Board B O A R D The illustration below shows the main board. 2 - 7 V1.0...
  • Page 8 Disassembly Procedure WLAN Module L A N The illustration below shows the WLAN module. D U L E Touchpad C H P A D The illustration below shows the touchpad. 2 - 8 V1.0...
  • Page 9 Disassembly Procedure Speaker E A K E R The illustration below shows the speaker. IO Board B O A R D The illustration below shows the IO Board. BACK 2 - 9 V1.0...
  • Page 10: Disassembly Procedure

    Please follow the information provided in this section to perform the complete disassembly procedure of the C434TA. Be sure to use proper tools described before. SUS C434TA Series Note book consists of various modules. This chapter describes the procedure for the complete C434TA disassembly and assembly (Assemble document please look up from the last page).
  • Page 11 Disassembly Procedure Plastic Blade Tweezers Use a pair of tweezers to remove/insert flexible cables. BACK Bottom Case Module The illustrations below show how to remove the Bottom Case Module. Remove Bottom Case Module Remove 10 screws on Bottom Case. Screw tightening torque (Kg F-cm): 2.5kg Screw tightening torque (Kg F-cm): 2.5kg 2 - 11 V1.0...
  • Page 12 Disassembly Procedure Assembly Notice: Please follow the below numbers to lock screws!!! Otherwise the Bottom case will not be well assembled Frist step Second step 2 - 12 V1.0...
  • Page 13 Parts  Total screw *10 Remove Top Case Module Use a plastic blade to pry the Bottom case. Snaps as below Parts C434TA(00) 1A BOTTOM CASE ASSY *1 (Actual part name depends on different SKU.) BACK 2 - 13 V1.0...
  • Page 14: Battery Module

    2. Follow below numbers to remove 4 screws on the Battery module Assembly Notice: Follow the reverse numbers to lock screws. Screw tightening torque (Kg F-cm): 2.0KG± 0.3kgf. SCREW M2*4L (K) B-ZN #1 NY Parts  C2 C434TA BATT/ATL POLY/C31N1824//SMP/359191/2S1P/11.55V/48WH  Total screw *4 BACK 2 - 14 V1.0...
  • Page 15: Speaker Module

    The illustrations below show how to remove the Speaker Module. Remove Speaker Module 1. Disconnect the speak cable on the M/B Assembly Notice: please well arrange the audio cables and put them in the hook slot as below. Parts  C434TA SPEAKER//PEGA/04A4-03J6000 BACK 2 - 15 V1.0...
  • Page 16 Disassembly Procedure WLAN Antenna Cable Antenna Cable The illustrations below show how to remove the Remove WLAN Module 1. Disconnect WLAN cable from the WLAN Assembly Notice: black cable is connect to the ‘MAIN’ input port. White cable is connect to the ‘AUX’ port. SCREW M2*3L(K) W-NI NY #0 Use a plastic blade to pry it.
  • Page 17 Disassembly Procedure LCD Module Remove LCD Module 1. Remove 6 screws on Hinge (2.0±0.2 kgf*cm) 2 - 17 V1.0...
  • Page 18 Disassembly Procedure SCREW M2*4L (K) B-ZN #1 NY 2.Remove the LCD BEZEL Notice: If you need to replace hinges (hinge covers), please make sure hinge (hinge cover) R and hinge (hinge cover) L are the same vendor. 3.Remove the LCD ADHESIVE by tweezer 2 - 18 V1.0...
  • Page 19 Disassembly Procedure Notice :Before assemble the LCD panel,please stick the adhesive and tape. 3.Remove 6 screws (2.0±0.2 kgf*cm )on the hinges and 2 screws(1.6±0.2 kgf*cm) in hinge caps. SCREW M2*3L(K) W-NI NY #0 SCREW M1.6*5L K B-ZN #0 NY 3. Disconnect the LCD cable,camera cable,touch control board FFC . 2 - 19 V1.0...
  • Page 20 Disassembly Procedure 2 - 20 V1.0...
  • Page 21 LCD BEZEL* 1  C434TA LCD ADH L* 1  C434TA LCD ADH R* 1 C434TA LCD DETACH TAPE M* 1 C434TA LCD ADH L* 1 C434TA LCD ADH R* 1 C434TA 1A LCD COVER ASSY//* 1  C434TA-1A HINGE CAP L* 1 ...
  • Page 22: Camera Module

    Disassembly Procedure Camera Module Disconnect the camera connector and remove the camera FPC . Notice:Overall effect after assembly, CMOS FPC without bumps!!! 2 - 22 V1.0...
  • Page 23 Disassembly Procedure NG!!! Remove the CONDUCTIVE TAPE, GASKET and camera 2 - 23 V1.0...
  • Page 24 Notice: The below two pictures are camera Sponge (old part) and camera tape (new part) after assembled. Notice:Add CAMERA FPC MYLAR after assembled. Do not press hard on the CAMERA FPC MYLAR!!! Parts  C434TA CMOS FPC 2.0* 1  CAMERA HD FIX 3.3V ARRAYMIC CL* 1  C434TA CAMERA SPONGE//PEGA/13N1-7EU1411* 1...
  • Page 25: Thermal Module

    Disassembly Procedure Thermal Module The illustration below shows how to remove the Thermal module. 1. Remove 4 screws on the heatsink, take Thermal away. Assembly Notice: follow the reverse numbers to lock screws. Screw tightening torque (Kg F-cm): 2.0kg Screw tightening torque (Kg F-cm): 2.0kg SCREW M2*1.5L K B-ZN #0 NY SCREW M2*2.5L (K) B-ZN NY #0 Parts...
  • Page 26 Disassembly Procedure IO Board The illustrations below show how to remove the IO Board. Remove IO Board Disconnect the FFC from Main Board. Remove 4 screws on IO board 1 screw on the Sensor Board .Disconnect the GMR FFC from SENSOR Board.
  • Page 27 Disassembly Procedure SCREW M2*3L(K) W-NI NY #0 Assembly notice: Please change new one, If FFC is damage during disassembly. Here are some samples of FFC damage: 2 - 27 V1.0...
  • Page 28 Disassembly Procedure Parts  Total screw *5  C434TA SENSOR BD*1  C434TA GMR FFC 4P 0.5MM*1  C434TA IO_BD *1  C434TA IO FFC *1 BACK Motherboard Module The illustrations below show how to separate the Motherboard module Remove Motherboard Module Disconnect the Keyboard FPC and Touchpad FFC cable Assembly notice: Insert FFC to the bottom until just accord with the line when lock the latch.
  • Page 29 Disassembly Procedure SCREW M2*1.5L K B-ZN #0 NY SCREW M2*3L(K) W-NI NY #0 2 - 29 V1.0...
  • Page 30 Disassembly Procedure  C434TA MB. *1  Total screw *9 BACK 2 - 30 V1.0...
  • Page 31: Touchpad Module

    1. Remove 2 screws on Touchpad and disconnect the FFC on the T/P Assembly Notice: follow the reverse numbers to lock screws. SCREW M2*1.5L K B-ZN #0 NY Notice:Please add two washers( ) on the below locations C434TA TOP BOSS WASHER 2 - 31 V1.0...
  • Page 32 Disassembly Procedure Keyboard FPC Assembly Notice: Notice: Add the USB PT MYLAR on the screw of touchpad module. 2 - 32 V1.0...
  • Page 33 Disassembly Procedure  Total screw *2  TOUCHPAD FOR C434TA//ELAN/*1  C434TA CMOS FPC NONTOUCH//PEGA/*1  BACK 2 - 33 V1.0...