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Preface Notebook Computer N870EJ1 / N871EJ1 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 N870EJ1 / N871EJ1 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 1.
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the N870EJ1 / N871EJ1 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.
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Introduction Interface Communication One USB 2.0 Port Built-In Gigabit Ethernet LAN One USB 3.0 (USB 3.1 Gen 1) Type-A Port 1.0M HD PC Camera Module One USB 3.1 Gen 2 Type-A Port (Factory Option) 2.0M FHD PC Camera Module One USB 3.1 Gen 2 Type-C Port* WLAN/ Bluetooth M.2 Modules: (Factory Option) Intel®...
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. 3. Built-In Array Microphone 4. LCD 5. Power Button 6.
Introduction External Locator - Front & Right Side Views Figure 2 Front View 1. LED Indicator FRONT VIEW Figure 3 Right Side View 1. Headphone-Out RIGHT SIDE VIEW Jack 2. Microphone-In Jack 3. USB 2.0 Port 4. USB 3.0 (USB 3.1 Gen 1) Type A Port 5.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. Security Lock Slot 2. DC-In Jack 3. RJ-45 LAN Jack LEFT SIDE VIEW 4. Mini Display Port 5. HDMI-Out Port 6. USB 3.1 Gen 2 Type C Port 7.
Introduction Mainboard Overview - Top (Connectors) Figure 9 Mainboard Top Connectors 1. DC-In Jack 2. RJ-45 LAN Jack 3. External Display Port 4. HDMI-Out Port 5. USB Port 3.0/3.1 (Type C) Connector 6. USB Port 3.0/3.1 (Type A) Connector 7. Multi-in-1 Card Reader 8.
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the N870EJ1 / N871EJ1 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 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 Battery: To remove the Heatsink: 1. Remove the battery page 2 - 5 1.
Disassembly Removing the Battery Figure 1 Battery Removal 1. Turn the computer off, and turn it over. 2. Slide the latch in the direction of the arrow (Figure 1a). a. Slide the latch in the 3. Slide the latch in the direction of the arrow. direction of the arrow.
Disassembly Removing the Keyboard Figure 2 Keyboard Removal 1. Turn off the computer, turn it over. 2. Remove screws from the bottom of the computer. a. Remove the screws from 3. Open it up with the LCD on a flat surface before pressing at point to release the keyboard module (use the spe- the bottom of the compu- cial eject stick...
Disassembly Removing the Hard Disk Drive Figure 3 The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 7mm HDD Assembly (h). Follow your operating system’s installation instructions, and install all necessary drivers and utilities (as outlined in Removal Chapter 4 of the User’s Manual) when setting up a new hard disk.
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Disassembly 5. Remove screws from the HDD assembly (Figure 4b). Figure 4 6. Slightly lift and pull the hard disk assembly in the direction of arrow (Figure 4c HDD Assembly 7. Lift the hard disk assembly out of the bay (Figure 4d Removal (cont’d.) 8.
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 2400 MHz. The main memory can be expanded up to 16GB. The total memory size is automatically detected by the POST routine once you turn on your computer.
Disassembly Removing the Wireless LAN Module Figure 7 Wireless LAN 1. Turn off the computer, turn it over, remove the battery (page 2 - 5) and the bottom cover (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard (Figure 7a).
Disassembly Wireless LAN, Combo Module Cables Note that the cables for connecting to the antennae on WLAN, 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 CPU Heat Sink Figure 8 Heat Sink Removal Heat Sink Removal Procedure 1. Turn off the computer, turn it over, remove the battery (page 2 - 5) and the bottom cover (page 2 - a. Remove the screws. &...
Disassembly Removing the CCD Figure 9 CCD Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 2. Lay the computer down on a flat surface with the top case up forming a 90 degree angle. Carefully remove the a.
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Disassembly 5. Disconnect the cable (Figure 10c). Figure 10 6. Remove the CCD module (Figure 10d). CCD Removal 7. Reverse the process to install a new CCD module. (cont’d) c. Disconnect the cable. d. Remove the CCD mod- ule. 11.
Appendix A:Part Lists This appendix breaks down the N870EJ1 / N871EJ1 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 Main Board page A - 6 page A - 7 A - 2...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the N870EJ1 / N871EJ1 notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Diagram - Page Diagram - Page Diagram - Page Table B - 1...
Schematic Diagrams VGA Frame Buffer Interface Term Description U150C BGA_0908_P080_P085_P100_290X290 FBB_CMD[31:0] The total trace length measured COMMON FBB_CMD[31:0] 14,15 from GPU ball to capacitor is Under GPU 3/19 FBB Frame Buffer Interface no more than 150 mil The total trace length measured FBB_D[31:0] U150D from GPU ball to capacitor is no...
Schematic Diagrams HDMI Differential pair mismatch < 5 mil R4.4 CPU to Level Shift total trace length < 5.5” ,via count 2 ,referenc e t o ground . Level Shift to HDMI connector total trace length < 1” ,via count 2 ,referenc e t o ground .
Schematic Diagrams LED, CCD, TPM, Power SW Con. NGFF B & M KEY TPM 2.0 (SLB9665TT) PCI E S S D L E D S A T A L E D PIN24 S S D L E D B I O S 3.3VS 3.3VS 28,40...
Schematic Diagrams KBC-ITE IT8587 IT8587 KBC_AVDD D02_01/31_H HCB1005KF-121T20 VDD3 VDD3 C466 C481 C482 C424 C425 10u_6.3V_X5R_06 0.1u_10V_X5R_04 0.1u_10V_X5R_04 0.1u_10V_X5R_04 0.1u_10V_X5R_04 Connect VAULE FOR REFERENCE BY PROJECT C479 N850 OPTION E X E C L 0.1u_10V_X5R_04 KBC_AGND N870 E X E C L O P T I O N 3.3VS D02_01/31_H...
Schematic Diagrams RGB KB Only N 8 5 RGB KB Only PCB Footprint = 87151-1207G_R-1 P/N = 6-20-94A20-112 3 layou t t r a ce 87151-1207G 3.3VS KBZONE1_R C369 KBZONE1_B KBZONE1_G OUT0 KBZONE1_R 4.7u_25V_X5R_08 KBZONE1_B Sheet 41 of 60 OUT1 KBZONE1_G KBZONE2_R KBZONE2_G...
Schematic Diagrams 5V, 5VS, 3.3V, 3.3VS, 3.3VA VDD3 DD_ON# VDD3 SUSB D02_11/29_H PR323 PR136 D02_02/26_A 100K_04 VIN1 10K_04 C592 C130 C471 M E D I O N S t u f f DD_ON# SUSB DD_ON# SUSB 20,21,23,37 O t h e r U n s t u f f C455 C456 C454...
Schematic Diagrams VCore, VCCGT Output Stage VCORE & VCCGT OUTPUT STAGE 9/19 power 9/18 power PC153 PC152 PC34 9/18 power VCCCORE D02_02/26_A ME D I O N S t u f f ICCMAX=128A Othe r U n s t u f f EMC23 EMC5 PC130...
Schematic Diagrams VCCSA Coffee Lake H Line 3+1+1 SA=600kHz D02_02/26_A M E D I O N S t u f f VCCSA 9/19 power O t h e r U n s t u f f PC172 PC147 ICCMAX=11.1 PC54 IPL2=10 >400 mil 0.1u_25V_X7R_06...
Schematic Diagrams AC_In, Charger SMART CHARGER TI24780S PC15 PC16 PC17 PC18 Power 9/8 09/06 PD11 PD15 MDL914S2 MDL914S2 9/14 Power VDD3 9/19 power D02_12/06_H PC24 PC128 PC145 PC51 EMC33 EMC32 PR35 D02_02/26_A PQ19 PQ27 9/13 Power 287K_1%_04 ME D I O N S t u f f MDU1512 MDU1512 PR34...
Schematic Diagrams Power Switch Board *0_04 *0_04 6-71-N850S-D03 *0_04 *0_04 POWER SW BOARD *0_04 *0_04 Sheet 55 of 60 Power Switch BH_3.3VS BH_3.3VS POWER POWER Board POWER BUTTON BUTTON BOTTOM 6-53-31500-B41 820_06 820_06 BSW1 For N855/N870 Gary_change for ME T4BJB10BQR 6-13-82001-2AB 6-13-82001-2AB BJ_SW1...
Schematic Diagrams LED Board *0_04 *0_04 6-71-N8704-D01 *0_04 *0_04 *0_04 *0_04 6-52-55001-021 GREEN YELLOW HDD LED WLAN LED L_LED_HDD# 220_04 L_3.3VS RY-SP190YG34-5M WLAN ON GREEN YELLOW Windows 7 L_AIRPLAN_LED# Airplane mode 220_04 WLAN OFF L_3.3VS RY-SP190YG34-5M Airplane ON Windows 8 6-52-55001-021 Airplane OFF WLAN/BLUETOOTH...
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.