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Preface Notebook Computer N240BU / N241BU 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 N240BU / N241BU 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.
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...
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.
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 N240BU / N241BU 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 Storage Intel® Core™ i7 Processor One Changeable 2.5" 7mm (h) SATA HDD/SSD i7-7500U (2.70GHz) (Factory Option) One M.2 SATA/PCIe Gen3 x4 Solid State 4MB Smart Cache, 14nm, DDR4-2133MHz, TDP 15W Drive (SSD) Intel® Core™ i5 Processor Latest Specification Information Pointing Device i5-7200U (2.50GHz)
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Introduction Interface Environmental Spec One USB 2.0 Port Temperature ° ° One USB 3.0 (USB 3.1 Gen 1) Port Operating: 5 C - 35 One USB 3.0 (USB 3.1 Gen 1) Type C Port Or Non-Operating: -20°C - 60°C (Factory Option) One USB 3.1 Gen 2 Type C Port Relative Humidity One HDMI-Out Port Operating: 20% - 80%...
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 2.0 Port RIGHT SIDE VIEW 2. Multi-in-1 Card Reader 3. External Monitor Port 4. RJ-45 LAN Jack External Locator - Front &...
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. Security Lock Slot 2. DC-In Jack 3. HDMI-Out Port LEFT SIDE VIEW 4. Vent 5. USB 3.0/3.1 Port 6. USB 3.0/3.1 Type C Port 7. Microphone-In Jack 8.
Introduction Mainboard Overview - Top (Connectors) Figure 9 Mainboard Top Connectors 1. DC-In Jack 2. HDMI-Out Port 3. USB Port 3.0/3.1 Port 4. USB Port 3.0/3.1 Type C Port 5. Microphone-In Jack 6. Headphone-Out Jack 7. SIM Card Reader 8. Keyboard Cable Connector 1 - 10 Mainboard Overview - Top (Connectors)
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the N240BU / N241BU 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 re- moval and/or replacement job, take the following precautions: Power Safety Warning 1. Don't drop it. Perform your repairs and/or upgrades on a stable surface. If the computer falls, the case and other Before you undertake components 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 Battery: To remove the CCD Module: 1. Remove the battery page 2 - 5 1.
Disassembly Removing the Battery Figure 1 Battery Removal 1. Turn off the computer, turn it over. 2. Slide the latch in the direction of the arrow (Figure 1a a. Slide the latch and hold it 3. Slide the latch in the direction of the arrow, and hold it in place (Figure 1b in place.
Disassembly Removing the Hard Disk Drive Figure 2 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 5. Remove screw and slightly lift to pull the hard disk assembly in the direction of arrow (Figure 3d Figure 3 6. Lift the hard disk assembly out of the bay (Figure 3e HDD Assembly 7. Remove the screws and the adhesive cover from the hard disk (Figure 3f...
Disassembly Removing the System Memory (RAM) Figure 4 RAM Module The computer has two memory sockets for 260 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal DDR4 Up to 2133MHz. The main memory can be expanded up to 32GB. The total memory size is automatically detect- ed 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 Keyboard Figure 5 1. Turn off the computer, turn it over to remove the battery (page 2 - Keyboard Removal 2. Remove screws from the bottom case (Figure 5a). 3. Open it up with the LCD on a flat surface before pressing at point to release the keyboard module while releas- ing the keyboard in the direction of the arrow as shown...
Disassembly Removing the Wireless LAN Module Figure 6 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 6a).
Disassembly Wireless LAN, and Combo Module Cables Note that the cables for connecting to the antennae on WLAN, and WLAN & Bluetooth Combo modules are not labelled. The cables/covers (each cable will have either a black or transparent cable cover) are color coded for identification 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, remove the 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 Module m.2 SSD Removal Procedure Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 5) and bottom cover (page 2 - 2.
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Disassembly M.2 SSD Installation Procedure Figure 9 1. Place the thermal pad on the bottom case as shown (Figure 9a). M.2 SSD Module 2. Insert the module in the computer Figure 9b Installation 3. Tighten the screw to secure it in place (Figure 9c).
Disassembly Removing the CCD Figure 10 CCD Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 5) and then separate the LCD Panel from the bottom case. a. Remove the rubber cov- 2. Remove the rubber covers and screws (Figure 10a).
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Disassembly 6. Remove the LCD front cover (Figure 11e). Figure 11 7. Disconnect the cable (Figure 11f). CCD Removal 8. Remove the CCD module (Figure 11g). (cont’d.) 9. Reverse the process to install a new CCD module. e. Remove the LCD front cover.
Appendix A:Part Lists This appendix breaks down the N240BU / N241BU series notebook’s construction into a series of illustrations. The com- ponent 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 N240BU / N241BU 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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Document Number Document Number Document Number SHEET 34 SHEET 34 SHEET 17 SHEET 22 SHEET 17 6-7P-N24J7-005 6-7P-N24J7-005 6-7P-N24J7-005 N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet Sheet...
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[02] KBL1/11 DDR4 [02] KBL1/11 DDR4 [02] KBL1/11 DDR4 Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet Sheet...
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4/29 SKL_ULT REV = 1 Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet Sheet B - 4 Processor 2/11...
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[04] KBL 3/11 SATA/PCIE/USB [04] KBL 3/11 SATA/PCIE/USB Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet...
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1.0VS 6,7,10,17,22,25,27,28,29,30,31,33 VDD3 Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 4,6,7,10,27 3.3VA N240BU N240BU N240BU 3,4,6,7,13,14,15,16,17,18,19,20,22,23,24,25,26,27,32 3.3VS RTCVCC Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet...
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PCH_HDA_SPKR R561 *1K_04 Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet Sheet Processor 5/11 B - 7...
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Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 R504 *10mil_04 SMB_DATA SMB_DAT_DDR 4,6,10,27 3.3VA N240BU N240BU N240BU SMB_DAT_DDR 13,14 3,4,5,6,13,14,15,16,17,18,19,20,22,23,24,25,26,27,32 3.3VS Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet...
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Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 Custom Custom Custom N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet Sheet Processor 7/11 B - 9...
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Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 Custom Custom Custom N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet Sheet B - 10 Processor 8/11...
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Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 Custom Custom Custom N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet Sheet Processor 9/11 B - 11...
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[11] KBL 10/11 POWER3 [11] KBL 10/11 POWER3 Size Size Size Document Number Document Number Document Number 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 N240BU N240BU N240BU Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet Sheet...
Schematic Diagrams USB, TPM USB PORT Charge USB 3.0 port (CHARGER) USB3.0 Max Trace length C405 22u_6.3V_X5R_08 C406 22u_6.3V_X5R_08 Follow Design Guide 80 MIL C408 *220u_6.3V_6.3*6.3*4.2 USBVCC_CH 6-11-22711-AB7 Smart CDP pin8 pin4 Function CLOSE TO CONNECTOR J_USB3_1 DT1140-04LP-7 DCP autodetect with VBUS C411 0.1u_10V_X7R_04...
Title Title [29] VDDQ,VDDQ_VTT,1.5VS,1.8VS [29] VDDQ,VDDQ_VTT,1.5VS,1.8VS [29] VDDQ,VDDQ_VTT,1.5VS,1.8VS 10K_1%_04 Size Size Size Document Number Document Number Document Number N240BU N240BU N240BU 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet...
Title Title [31] VCORE,VCCGT,VCCSA,VCCIO [31] VCORE,VCCGT,VCCSA,VCCIO [31] VCORE,VCCGT,VCCSA,VCCIO *0.1u_10V_X7R_04 Size Size Size Document Number Document Number Document Number N240BU N240BU N240BU 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet...
Title Title Title [32] RT3601BC [32] RT3601BC [32] RT3601BC Size Size Size Document Number Document Number Document Number N240BU N240BU N240BU 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016 Sheet...
[33] CHARGER,DC IN [33] CHARGER,DC IN [33] CHARGER,DC IN Size Size Size Document Number Document Number Document Number Custom Custom Custom N240BU N240BU N240BU 6-71-N24J0-DB2 6-71-N24J0-DB2 6-71-N24J0-DB2 Date: Date: Date: Tuesday, June 28, 2016 Tuesday, June 28, 2016 Tuesday, June 28, 2016...
Schematic Diagrams Power SW Board S_VDD3 POWER SW & LED POWER SWITCH 100K_04 SJ_SW1 S_VDD3 *YB8251 SMGND 20mil S_3.3VS FOR 15" SMGND SMGND SM_BTN# SMGND SLID_SW# SMGND FP225H-008S11M YB8251 SLID_SW# NORMAL Sheet 37 of 41 FOR 14" S_3.3VS S_3.3VS S_3.3VS Power SW Board *1u_10V_Y5V_06 0.1u_16V_Y5V_04...
Schematic Diagrams LED Board LED BOARD L_LED_ACIN L_LED_BAT_FULL 39 L_LED_BAT_CHG 39 L_LED_PWR LRN1 220_8P4R_04 RY-SP155HYYG4-1 RY-SP155HYYG4-1 Sheet 39 of 41 LED Board LGND LGND LGND LGND POWER ON LED/ AC IN FULL LED/ BAT CHARGE L3.3VS D01 to D02 L3.3VS LJ_LED1 LGND 220_04...
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.