Clevo L141CU Service Manual
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Clevo L141CU Service Manual

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Preface
Notebook Computer
L140CU / L141CU
Service Manual
I

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Summary of Contents for Clevo L141CU

  • Page 1 Preface Notebook Computer L140CU / L141CU Service Manual...
  • Page 2 Preface Notice The company reserves the right to revise this publication or to change its contents without notice. Information contained herein is for reference only and does not constitute a commitment on the part of the manufacturer or any subsequent ven- dor.
  • Page 3 It is organized to allow you to look up basic information for servicing and/or upgrading components of the L140CU / L141CU series notebook PC. The following information is included: Chapter 1, Introduction, provides general information about the location of system elements and their specifications.
  • Page 4 Preface IMPORTANT SAFETY INSTRUCTIONS Follow basic safety precautions, including those listed below, to reduce the risk of fire, electric shock and injury to per- sons when using any electrical equipment: 1. Do not use this product near water, for example near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement or near a swimming pool.
  • Page 5 Preface Instructions for Care and Operation The notebook computer is quite rugged, but it can be damaged. To prevent this, follow these suggestions: Don’t drop it, or expose it to shock. If the computer falls, the case and the components could be damaged. Do not expose the computer Do not place it on an unstable Do not place anything heavy...
  • Page 6 Preface 4. Avoid interference. Keep the computer away from high capacity transformers, electric motors, and other strong magnetic fields. These can hinder proper performance and damage your data. 5. Take care when using peripheral devices. Use only approved brands of Unplug the power cord before peripherals.
  • Page 7 Preface Battery Precautions • Only use batteries designed for this computer. The wrong battery type may explode, leak or damage the computer. • Do not continue to use a battery that has been dropped, or that appears damaged (e.g. bent or twisted) in any way. Even if the computer continues to work with a damaged battery in place, it may cause circuit damage, which may possibly result in fire.
  • Page 8 Preface Related Documents You may also need to consult the following manual for additional information: User’s Manual on CD/DVD This describes the notebook PC’s features and the procedures for operating the computer and its ROM-based setup pro- gram. It also describes the installation and operation of the utility programs provided with the notebook PC. System Startup 1.

  • Page 9: Table Of Contents

    Preface Contents Introduction ..........1-1 MB ....................A-6 Schematic Diagrams......... B-1 Overview ..................1-1 Specifications ..................1-2 System Block Diagram ..............B-2 External Locator - Top View with LCD Panel Open ......1-4 Processor 1/12 .................B-3 External Locator - Front & Right Side Views .........1-5 Processor 2/12 .................B-4 External Locator - Left Side &...
  • Page 10 Preface M Key PCIE SSD-2 ..............B-30 Conn, CCD, Fan, TP, LED KB ............ B-31 USB Charger, TPM ..............B-32 LED, LID SW, Power Switch ............B-33 3.3V, 5V, 3VS, 5VS, CTL ............B-34 VDD3, VDD5 ................B-35 1.05VA, VCCST, VCCSTG ............B-36 VDDQ, VDDQ_VTT, 1.5VS, 1.8VA ..........

  • Page 11: Introduction

    Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the L140CU / L141CU series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual. Information about dri-vers (e.g.

  • Page 12: Specifications

    Introduction Specifications Processor Options Video Adapter Intel® Core™ i7 Processor Intel UHD Graphics 620 i7-10510U (1.80GHz) Dynamic Frequency 8MB Smart Cache, 14nm, DDR4-2666MHz, TDP 15W Intel Dynamic Video Memory Technology Intel® Core™ i5 Processor Microsoft DirectX® 12 Compatible Latest Specification Information i5-10210U (1.60GHz) Pointing Device 6MB Smart Cache, 14nm, DDR4-2666MHz, TDP 15W...
  • Page 13 Introduction Card Reader Environmental Spec MicroSD Card Reader Temperature ° ° Operating: 5 C - 35 Interface Non-Operating: -20°C - 60°C One DisplayPort 1.2 over USB 3.1 Gen 2 Type-C Port with Relative Humidity Power Delivery (DC-In) Operating: 20% - 80% One USB 3.0 (USB 3.1 Gen 1) Type-A Port Non-Operating: 10% - 90% One USB 3.1 Gen 2 Type-A Port...

  • Page 14: External Locator - Top View With Lcd Panel Open

    Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. PC Camera 2. *PC Camera LED *When the PC camera is in use, the LED will be illuminated in white. 3. Built-In Microphone 4. LCD 5.

  • Page 15: External Locator - Front & Right Side Views

    Introduction External Locator - Front & Right Side Views Figure 2 Front View FRONT VIEW Figure 3 Right Side View 1. Speaker 2. Power Button 3. MicroSD Card Reader RIGHT SIDE VIEW 4. 2-In-1 Audio Jack (Headphone and Microphone) 5. USB 3.0 (USB 3.1 Gen 1) Type-A Port 6.

  • Page 16: External Locator - Left Side & Rear View

    Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. LED Indicator 2. DC-In Jack 3. HDMI-Out Port LEFT SIDE VIEW 4. USB 3.1 Gen 2 Type-A Port 5. DisplayPort 1.2 over USB 3.1 Gen 2 Type-C Port with Power Delivery (DC-In)

  • Page 17: External Locator - Bottom View

    Introduction External Locator - Bottom View Figure 6 Bottom View 1. Speakers Overheating To prevent your com- puter from overhea- ting, make sure no- thing blocks any vent while the computer is in use. External Locator - Bottom View 1 - 7...

  • Page 18: Mainboard Overview - Top (Key Parts)

    Introduction Mainboard Overview - Top (Key Parts) Figure 7 Mainboard Top Key Parts 1. KBC-ITE IT5570 1 - 8 Mainboard Overview - Top (Key Parts)

  • Page 19: Mainboard Overview - Bottom (Key Parts)

    Introduction Mainboard Overview - Bottom (Key Parts) Figure 8 Mainboard Bottom Key Parts 1. CPU 2. Memory Slots DDR4 SO-DIMM Mainboard Overview - Bottom (Key Parts) 1 - 9...

  • Page 20: Mainboard Overview - Top (Connectors)

    Introduction Mainboard Overview - Top (Connectors) Figure 9 Mainboard Top Connectors 1. DC-In Jack 2. HDMI-Out Port 3. USB 3.1 Gen 2 Type-A Port 4. DisplayPort 1.2 over USB 3.1 Gen 2 Type-C Port with Power Delivery (DC-In) 5. Power Button 6.

  • Page 21: Mainboard Overview - Bottom (Connectors)

    Introduction Mainboard Overview - Bottom (Connectors) Figure 10 Mainboard Bottom Connectors 1. Speaker Connector 2. WLAN Connector 3. Fan Connector 4. Touchpad Cable Connector 5. Keyboard Cable Connector 6. LED Keyboard Connector 7. Battery Connector 8. BIOS Battery Connector 9. M.2 Card Connector (SATA SSD only) 10.
  • Page 22 Introduction 1 - 12...

  • Page 23: Disassembly

    Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the L140CU / L141CU series notebook’s parts and sub- systems. When it comes to reassembly, reverse the procedures (unless otherwise indicated). We suggest you completely review any procedure before you take the computer apart.

  • Page 24: Maintenance Tools

    Disassembly NOTE: All disassembly procedures assume that the system is turned OFF, and disconnected from any power supply (the battery is removed too). Maintenance Tools The following tools are recommended when working on the notebook PC: • M3 Philips-head screwdriver •...

  • Page 25: Maintenance Precautions

    Disassembly Maintenance Precautions The following precautions are a reminder. To avoid personal injury or damage to the computer while performing a removal and/or replacement job, take the following precautions: Power Safety Don't drop it. Perform your repairs and/or upgrades on a stable surface. If the computer falls, the case and other components Warning could be damaged.

  • Page 26: Disassembly Steps

    Disassembly Disassembly Steps The following table lists the disassembly steps, and on which page to find the related information. PLEASE PERFORM THE DISASSEMBLY STEPS IN THE ORDER INDICATED. To remove the Battery: 1. Remove the battery page 2 - 5 To remove the System Memory: 1.

  • Page 27: Removing The Battery

    Disassembly Removing the Battery Figure 1 Battery-1 Removal Battery-1 Removal Procedure 1. Turn off the computer, turn it over. a. Remove the screws. 2. Remove screws from the bottom case (Figure 1a). b. Remove the bottom case 3. Remove the bottom case up.
  • Page 28 Disassembly Battery-2 Removal Procedure Figure 2 1. Turn off the computer, turn it over. Battery-2 Removal 2. Remove screws from the bottom case (Figure 1a). 3. Remove the bottom case up. The battery will be visible at point on the computer (Figure 1b).

  • Page 29: Removing The System Memory (Ram)

    Disassembly Removing the System Memory (RAM) Figure 3 RAM Module The computer has two memory sockets for 260 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal DDR4 2133MHz. The main memory can be expanded up to 32GB. The total memory size is automatically detected by the POST routine once you turn on your computer.
  • Page 30 Disassembly 5. Pull the latches to release the second module if necessary. 6. Insert a new module holding it at about a 30° angle and fit the connectors firmly into the memory slot. 7. The module will only fit one way as defined by its pin alignment. Make sure the module is seated as far into the slot as it will go.

  • Page 31: Removing The Wireless Lan Module

    Disassembly Removing the Wireless LAN Module Figure 4 Wireless LAN 1. Turn off the computer, turn it over to remove the battery (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard (Figure 4a).

  • Page 32: Wireless Lan, And Combo Module Cables

    Disassembly Wireless LAN, and Combo Module Cables Note that the cables for connecting to the antennae on WLAN, WLAN & Bluetooth Combo, 3G and LTE modules are not labelled. The cables/covers (each cable will have either a black or transparent cable cover) are color coded for iden- tification as outlined in the table below.

  • Page 33: Removing The M.2 Ssd Module

    Disassembly Removing the M.2 SSD Module Figure 5 M.2 SSD1 Module M.2 SSD1 Removal Procedure Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 2. The M.2 SSD module will be visible at point on the mainboard (Figure 5a).
  • Page 34 Disassembly M.2 SSD2 Removal Procedure Figure 6 M.2 SSD2 Module 1. Turn off the computer, turn it over to remove the battery (page 2 - Removal 2. The M.2 SSD module will be visible at point on the mainboard (Figure 6a).

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L140cu

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