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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 NP50HH / NP50HJ / NP50HK / NP55HH / NP55HJ / NP55HK 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 NP50HH / NP50HJ / NP50HK / NP55HH / NP55HJ / NP55HK series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual.
Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. PC Camera 2. *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 Indicators FRONT VIEW Figure 3 Right Side View 1. Speaker 2. Multi-in-1 Card Reader 3. USB 3.2 Gen 2 RIGHT SIDE VIEW Type-C Port 4. USB 3.2 Gen 1 Type-A Port 5.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. Security Lock Slot 2. Vent 3. USB 3.2 Gen 1 LEFT SIDE VIEW Type-A Ports 4. USB 2.0 Port 5. Microphone-In Jack 6. 2-In-1 Audio Jack (Headphone and Microphone) 7.
Introduction External Locator - Bottom View Figure 6 Bottom View 1. Vent 2. RJ-45 LAN Jack 3. 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. DC-In Jack 2. HDMI Port 3. Mini Display Port 4. Keyboard Cable Connector 5. LED KB Connector 6. USB 3.2 Gen 2 Type-C Port 7. USB 3.2 Gen 1 Type-A Port 8.
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the NP50HH / NP50HJ / NP50HK / NP55HH / NP55HJ / NP55HK series notebook’s parts and subsystems. When it comes to reassembly, reverse the procedures (un- less otherwise indicated).
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 Keyboard: To install the Touchpad: 1. Remove the keyboard page 2 - 5 1.
Disassembly Removing the Keyboard Figure 1 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 Battery Figure 2 Battery Removal 1. Turn the computer off, and remove the keyboard (page 2 - 2. Remove screws (Figure 2a). a. Remove the screws. 3. Remove the SD card cover and screws (Figure 2b). b. Remove the SD cover 4.
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Disassembly 5. The battery will be visible at point on the computer (Figure 3d Figure 3 6. Carefully disconnect the cable , then remove screws (Figure 3e Battery Removal 7. Lift the battery off the computer (Figure 3f (cont’d.) 8. Reverse the process to install a new battery (do not forget to replace all the screws and bottom cover). d.
Disassembly Removing the M.2 SSD Module Figure 4 M.2 SSD Module M.2 SSD Removal Procedure Removal 1. Turn off the computer, turn it over, remove the battery (page 2 - 2. The M.2 SSD module will be visible at point on the mainboard (Figure 4a).
Disassembly Removing the Hard Disk Drive Figure 5 HDD Assembly The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 7mm 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. Carefully lift and slightly slide the hard disk up Figure 6 5. Disconnect the hard disk assembly from the connector (Figure 6c HDD Assembly 6. Remove screws and bracket from the hard disk (Figure 6d Removal (cont’d.) 7. Reverse the process to install a new hard disk (do not forget to replace the screws). c.
Disassembly Removing the System Memory (RAM) Figure 7 RAM Module The computer has four memory sockets for 260 pin Small Outline Dual In-line Memory Modules (SO-DIMM) support- Removal ing DDR4 Up to 3200 MHz. 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.
Disassembly Removing the Wireless LAN Module Figure 8 Wireless LAN 1. Turn off the computer, turn it over, remove the battery (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard (Figure 8a).
Disassembly Wireless LAN, Combo Module Cables Note that the cables for connecting to the antennae on WLAN, WLAN & Bluetooth Combo, and LTE modules are not labelled. The cables/covers (each cable will have either a black or transparent cable cover) are color coded for identifi- cation as outlined in the table below.
Disassembly Installing the Touchpad Figure 9 Touchpad 1. Insert the touchpad assembly by carefully sliding the board attention while pushing it down as shown (Fig- Installation 9a). 2. Tighten the screws (Figure 9b). a. Insert the touchpad as- 3. Connect and lock the cable connector in place (Figure 9b).
Appendix A:Part Lists This appendix breaks down the NP50HH / NP50HJ / NP50HK / NP55HH / NP55HJ / NP55HK series notebook’s con- struction into a series of illustrations. The component part numbers are indicated in the tables opposite the drawings.
Part List Illustration Location The following table indicates where to find the appropriate part list illustration. Table A - 1 Part List Illustration NP50HH / NP50HJ / NP55HH / NP55HJ / Part Location NP50HK NP55HK page A - 3 page A - 4...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the NP50HH / NP50HJ / NP50HK / NP55HH / NP55HJ / NP55HK notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Diagram - Page...
Schematic Diagrams Power Sequence Sheet 62 of 62 Power Sequence CLEVO CLEVO CLEVO Title Title Title [62] Power map and Sequencing [62] Power map and Sequencing [62] Power map and Sequencing Size Size Size Document Number Document Number Document Number...
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