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Preface Notebook Computer N140WU / N141WU Service Manual...
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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.
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This manual is intended for service personnel who have completed sufficient training to undertake the maintenance and inspection of personal computers. It is organized to allow you to look up basic information for servicing and/or upgrading components of the N140WU / N141WU series notebook PC.
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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.
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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...
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Preface Avoid interference. Keep the computer away from high capacity transformers, electric motors, and other strong mag- netic fields. These can hinder proper performance and damage your data. Take care when using peripheral devices. Use only approved brands of Unplug the power cord before peripherals.
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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.
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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 °...
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the N140WU / N141WU 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.
Introduction Specifications Processor Options Video Adapter Intel® Core™ i7 Processor Intel Integrated GPU i7-8550U (1.80GHz) Intel HD Graphics 620 8MB Smart Cache, 14nm, DDR4-2400MHz, TDP 15W Dynamic Frequency Intel® Core™ i5 Processor Intel Dynamic Video Memory Technology Latest Specification Information i5-8250U (1.60GHz) Microsoft DirectX®12 Compatible 6MB Smart Cache, 14nm, DDR4-2400MHz, TDP 15W...
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Introduction M.2 Slots Communication Slot 1 for WLAN and Bluetooth Combo Module Built-In 10/100/1000Mb Base-TX Ethernet LAN Slot 2 for SATA/PCIe Gen3 x4 SSD (Processor Dependent) 1.0M HD PC Camera Module (Factory Option) Slot 3 for 3G/4G Module (Factory Option) Infared Camera Module Card Reader (Factory Option) 3G or 4G M.2 Module Embedded Multi-In-1 Card Reader...
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 red. 3. Built-In Microphone 4. LCD 5.
Introduction External Locator - Front & Right Side Views Figure 2 Front View 1. LED Indicator FRONT VIEW Figure 3 Right Side View 1. USB 3.0 (USB 3.1 Gen 1) Type-C Port RIGHT SIDE VIEW (Factory Option) Thunderbolt 3 Combo Port (Type- 2.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. DC-In Jack 2. USIM Card Reader (for 3G/4G LEFT SIDE VIEW USIM Cards) - Factory Option 3. USB 3.0 (USB 3.1 Gen 1) Type-A Port 4.
Introduction External Locator - Bottom View Figure 6 Bottom View 1. Vent 2. 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...
Introduction Mainboard Overview - Top (Connectors) Figure 9 Mainboard Top Connectors 1. USB Board Connector 2. Keyboard Cable Connector 3. White LED Keyboard Connector 4. RJ-45 LAN Jack 5. HDMI-Out Port 6. Mini Display Port 7. USB Port 3.0/3.1 Type A Port 8.
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the N140WU / N141WU series notebook’s parts and subsystems. When it comes to reassembly, reverse the procedures (unless otherwise indicated). We suggest you completely review any procedure before you take the computer apart.
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 •...
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.
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 Keyboard: To remove and install the M.2 SSD Module: 1.
Disassembly Removing the Keyboard Figure 1 1. Turn off the computer, turn it over. Keyboard Removal 2. Remove screws from the bottom case (Figure 1a). 3. Open it up with the LCD on a flat surface before pressing at point to release the keyboard module (use the spe- cific eject stick to do this) while releasing the keyboard in the direction of the arrow...
Disassembly Removing the Battery Figure 2 Battery Removal 1. Turn off the computer, turn it over to remove the keyboard (page 2 - 2. Remove screws (Figure 2a). a. Remove the screws. 3. Remove screws on the bottom case (Figure 2b).
Disassembly Removing the Hard Disk Drive Figure 3 HDD Assembly The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 7.0mm Removal (h). Follow your operating system’s installation instructions, and install all necessary drivers and utilities (as outlined in Chapter 4 of the User’s Manual) when setting up a new hard disk.
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Disassembly 4. Slightly lift to pull the hard disk assembly in the direction of arrow (Figure 4c Figure 4 5. Lift the hard disk out of the bay (Figure 4d HDD Assembly 6. Reverse the process to install a new hard disk (do not forget to replace all the screws and bottom cover). Removal (cont’d.) c.
Disassembly Removing the System Memory (RAM) Figure 5 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.
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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.
Disassembly Removing the Wireless LAN Module Figure 6 Wireless LAN 1. Turn off the computer, turn it over to remove the keyboard (page 2 - 5) and battery (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard (Figure 6a).
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.
Disassembly Removing the 3G Module Figure 7 3G Module Removal Procedure 3G Module Removal 1. Turn off the computer, turn it over to remove the keyboard (page 2 - 5) and battery (page 2 - a. Locate the module. 2. Locate the module, it is visible at point Figure 7a b.
Disassembly Removing and Installing the M.2 SSD Module Figure 8 M.2 SSD-1 Module M.2 SSD-1 Removal Procedure Removal 1. Turn off the computer, turn it over to remove the keyboard (page 2 - 5) and battery (page 2 - 2. The M.2 SSD module will be visible at point on the mainboard (Figure 8a).
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Disassembly M.2 SSD-2 Removal Procedure Figure 9 1. Turn off the computer, turn it over to remove the keyboard (page 2 - 5) and battery (page 2 - M.2 SSD-2 Module 2. The M.2 SSD module will be visible at point on the mainboard (Figure 9a).
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Disassembly M.2 SSD Installation Procedure Figure 10 M.2 SSD Module 1. Place the thermal pad on the module as shown (Figure 10a). Installation 2. Insert the module in the computer Figure 10b 3. Tighten the screw to secure the module in place (Figure 10c) a.
Disassembly Removing the CCD Figure 11 CCD Removal 1. Turn off the computer, turn it over to remove the keyboard (page 2 - 5) and battery (page 2 - 2. Lift up the inner frame and run your fingers around the inner frame of the LCD panel at the points as indicated by a.
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Disassembly 4. Disconnect the cable (Figure 12c). Figure 12 5. Remove the CCD module (Figure 12d). CCD Removal 6. Reverse the process to install a new CCD module. (cont’d.) c. Disconnect the cable. d. Remove the CCD mod- ule. 7.
Appendix A:Part Lists This appendix breaks down the N140WU / N141WU series notebook’s construction into a series of illustrations. The component part numbers are indicated in the tables opposite the drawings. Note: This section indicates the manufacturer’s part numbers. Your organization may use a different system, so be sure to cross-check any relevant documentation.
Part List Illustration Location The following table indicates where to find the appropriate part list illustration. Table A - 1 Part List Illustration Part Location page A - 3 Bottom page A - 4 page A - 5 page A - 6 A - 2...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the N140WU / N141WU notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Diagram - Page Diagram - Page Diagram - Page Table B - 1...
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Schematic Diagrams System Block Diagram 6 IN 1 6-7P-N13W6-002 N140WU KABY LAKE RU4+2/U2+2 (HDCP2.2) System Block Diagram MAIN BOARD SHEET 1~39 6-71-N13W0-D02 USB BOARD 3V,5V,3VS,5VS,1.8VS 1866/ 2133 MHz 6-71-N13W3-D02 SHEET 40 DDR4 SHEET 32 DDR4 AUDIO BOARD SO-DIMM A SHEET 14...
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Schematic Diagrams Processor 4/10 24Mhz SO C o r PC H V I A XTAL P OWE R or (For CPU U (15W) STUFF ) CLOCK SIGNALS C429 CPU U CLKOUT_PCIE_N0 12p_50V_NPO_04 CLKOUT_PCIE_P0 PCIECLKRQ0# AR10 GPP_B5/SRCCLKREQ0# GN D CLKOUT_ITPXDP_N CLKOUT_PCIE_N1 CLKOUT_ITPXDP_N R374 CLKOUT_ITPXDP_P...
Schematic Diagrams HDMI HDMI CONNECTOR ( W/O LEVELSHIFT) HDMI_5VS C430 *10u_6.3V_X5R_06 VOUT C444 C443 22u_6.3V_X5R_08 18,32,34 SUSB 22u_6.3V_X5R_08 J_HDMI1 uP7549UMA5-20 M-SOT23-5 SY6288D20AAC: 6-02-62882-9C0 uP7549UMA5-20: 6-02-75495-9C0 HDMI_HPD-C R394 20K_04 HOT PLUG DETECT BY PLATF R O M BY PLATF R O M R100 HDMI_SDA-C DDC/CEC GND...
Schematic Diagrams RTD2136N VCCK_V12 L V D S Power L V D S 3.3VS AVCC33 3.3VS DVCC33 : 3 3 p c s R496 0_06 LVDS R283 0_06 LVDS C309 LVDS 40mils 40mils C528 80mils 80mils 0.1u_10V_X7R_04 C527 LVDS C340 C312 ENBLT ENBLT...
Schematic Diagrams miniDP From PS8338B 3.3VS Near Mini DP Conn For Safety LPS. MDP_PW R D_MDP_D0 C247 0.1u_16V_X7R_04 W /TBT OUT1_D0p D_MDP_D0# C251 0.1u_16V_X7R_04 W /TBT OUT1_D0n VOUT D_MDP_D1 C253 0.1u_16V_X7R_04 W /TBT OUT1_D1p C447 D_MDP_D1# C256 0.1u_16V_X7R_04 W /TBT C518 OUT1_D1n *10u_6.3V_X5R_06...
Document Number R e v R e v R e v 6-71-N13W0-D04 6-71-N13W0-D04 6-71-N13W0-D04 20,21 VCC3V3_SX_SYS Custom Custom Custom N140WU N140WU N140WU Date: Date: Date: Wednesday, December 13, 2017 Wednesday, December 13, 2017 Wednesday, December 13, 2017 Sheet Sheet Sheet...
Schematic Diagrams ASM1543 TYPE C (MUX) close to connector TBT_VBUS 100 MIL 2'nd:G517G1TO1U 6-02-51711-9C0 C390 C605 10u_6.3V_X5R_06 0.1u_16V_Y5V_04 W /O-TBT SY6288E1AAC 3.3V_MUX 3.3V 6-02-62881-9C0 3.3V_MUX 5V_MUX m-sot23-5a W /O-TBT HCB1608KF-121T30 W /O-TBT R179 4.7K_04 5V_MUX 3.3V_MUX W /O-TBT U12_Pin1/ 2 ASM1543_PW R_EN C496 C484...
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Schematic Diagrams Type C Colay Near J_TYPEC1 TBT_VBUS From ASM 1543 TBTA_CA2HD_1_P_R R317 0_1%_02 W /O-TBT TBTA_CA2HD_0_N_R TBTA_CA2HD_1_N_R A_URXN_SW 1 TBTA_CA2HD_0_P_R R318 0_1%_02 W /O-TBT A_URXP_SW 1 C597 22u_6.3V_X5R_08 TBTA_HD2CA_0_N_R C612 22u_6.3V_X5R_08 TBTA_HD2CA_0_N_R TBTA_HD2CA_0_P_R C609 0.22u_10V_X5R_02 W /O-TBT A_UTXN_SW 1 3/16 ME change C608 0.22u_10V_X5R_02...
Schematic Diagrams Card Reader & LAN_RTL8411B Crystal 503 2 SI Z E Switching Regulator close to PIN48 meet realtek Freq tolerance <50ppm 2.49K_1%_04 VCC_CARD *1K_04 (>20mil) XTAL2 R370 10K_04 REGOUT *28mil short-p VDD10 AVDD33 (>20mil) FOR S5 WAKE UP ON LAN C122 C120 R362...
Schematic Diagrams KBC ITE IT8587 VDD3 KBC_AVDD BAV99: 6-06-00993-011 HCB1005KF-121T20 VDD3 VDD3 IT8587 26,39 SMC_BAT C117 C181 C126 C182 C172 BAV99 RECTIFIER 10u_6.3V_X5R_06 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04 *0.1u_16V_Y5V_04 26,39 SMD_BAT Connect VAULE FOR REFERENCE BY PROJECT BAV99 RECTIFIER KBC_AGND OPTION E X E C L 10K_04 E X E C L...
Schematic Diagrams USB Port / TPM USB PORT Charge USB 3.0 port (CHARGER) USB3.0 Max Trace length C582 22u_6.3V_X5R_08 C540 22u_6.3V_X5R_08 Follow Design Guide 80 MIL Smart CDP C524 *22u_6.3V_X5R_08 USBVCC_CH C525 *22u_6.3V_X5R_08 pin8 pin4 Function CLOSE TO CONNECTOR J_USB3_1 DCP autodetect with TVUDF1004AD0 USB3_1TXPC...
Size Document Number Document Number Document Number R ev R ev R ev 9,11,38 VCCIN 6-71-N13W0-D04 6-71-N13W0-D04 6-71-N13W0-D04 N140WU N140WU N140WU 11,37 VCCGT 9,37 VCCSA Date: Date: Date: Wednesday, December 13, 2017 Wednesday, December 13, 2017 Wednesday, December 13, 2017...
Document Number Document Number 6-71-N13W0-D04 6-71-N13W0-D04 6-71-N13W0-D04 R e v R e v R e v Custom Custom Custom N140WU N140WU N140WU Date: Date: Date: Friday, December 15, 2017 Friday, December 15, 2017 Friday, December 15, 2017 Sheet Sheet Sheet...
Size Size Size Document Number Document Number Document Number R e v R e v R e v 6-71-N1308-D02A 6-71-N1308-D02A 6-71-N1308-D02A N140WU N140WU N140WU A_AUDG A_AUDG A_AUDG A_AUDG Date: Date: Date: Wednesday, November 29, 2017 Wednesday, November 29, 2017 Wednesday, November 29, 2017...
Schematic Diagrams LED Board LED BOARD LGND L_LED_ACIN L_LED_BAT_FULL L_LED_PWR L_LED_BAT_CHG L3.3VS LJ_LED1 *TVUDF1004AD0 L_LED_BAT_CHG L_LED_BAT_FULL L_LED_ACIN L_LED_PWR L_LED_HDD# L_AIRPLAN_LED# LGND Sheet 43 of 45 220_04 220_04 220_04 FP225H-010S10M 220_04 *V15AVLC0402 FP225H-010-xxxM LGND LGND LED Board RY-SP155HYYG4-1 RY-SP155HYYG4-1 POWER ON LED/ AC IN FULL LED/ BAT CHARGE LGND LGND...
Download the BIOS computer model. 1. Go to www.clevo.com.tw and point to E-Services and click E-Channel. Note that BIOS versions 2. Use your user ID and password to access the appropriate download area (BIOS), and download the latest BIOS files...
BIOS Update Use the flash tools to update the BIOS 1. Make sure you are not loading any memory management programs such as HIMEM by holding the F8 key as you see the message “EFI Shell”. You will then be prompted to give “Y” or “N” responses to the programs being loaded by EFI Shell.
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