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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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Preface About this Manual 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 NH50AF1 / NH55AFW / NH57AF1 / NH58AF1 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.
Preface Contents Introduction ..........1-1 Top (NH55AFW) ................A-4 Top (NH57AF1) ................A-5 Overview ..................1-1 Bottom ................... A-6 Specifications ..................1-2 Main Board ................... A-7 External Locator - Top View with LCD Panel Open ......1-4 HDD ....................A-8 External Locator - Front & Right Side Views .........1-5 LCD (NH50AF1) ................
Introduction Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the NH50AF1 / NH55AFW / NH57AF1 / NH58AF1 series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual.
Introduction Specifications Processor Options Storage AMD Ryzen™ 9 Desktop Processor One changeable 2.5" (6cm) 7.0mm (h) SATA (Serial) Hard Disk Drive/Solid State Drive (SSD) 3900 (3.10GHz) (Factory Option) One M.2 SATA/PCIe Gen3 x4 Solid State 64MB Smart Cache, 7nm, DDR4-3200MHz, TDP 65W ...
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Introduction Card Reader Communication MicroSD Card Reader Built-In 10/100/1000Mb Base-TX Ethernet LAN 1.0M HD PC Camera Module M.2 Slots WLAN/ Bluetooth M.2 Modules: Slot 1 for Combo WLAN and Bluetooth Module (Factory Option) Intel® Dual Band Wireless-AC 9260 Wire- Slot 2 for SATA or PCIe Gen3 x4 SSD less LAN (802.11ac) + Bluetooth Slot 3 for PCIe Gen2 x4 SSD (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 Indicators FRONT VIEW Figure 3 Right Side View 1. 2-In-1 Audio Jack RIGHT SIDE VIEW (Headphone and Microphone) 2. Microphone-In Jack 3. USB 2.0 Port 4.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. Security Lock Slot 2. RJ-45 LAN Jack 3. USB 3.2 Gen 2 LEFT SIDE VIEW Type-A Ports 4. MicroSD Card Reader REAR VIEW Figure 5 Rear View 1.
Introduction Mainboard Overview - Top (Connectors) Figure 9 Mainboard Top Connectors 1. USB Connector 2. Keyboard Cable Connector 3. KB LED Connector 4. MicroSD Card Reader 5. USB 3.2 Gen 2 Type-A Ports 6. RJ-45 LAN Jack 1 - 10 Mainboard Overview - Top (Connectors)
Introduction Mainboard Overview - Bottom (Connectors) Figure 10 Mainboar Bottom Connectors 1. Fan Connector 2. HDD Connector 3. LCD Connector 4. DC-In Jack 5. Mini Display Port 6. HDMI-Out Port 7. DisplayPort 1.4 over USB 3.1 Gen 2 Type-C Port 8.
Disassembly Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the NH50AF1 / NH55AFW / NH57AF1 / NH58AF1 series notebook’s parts and subsystems. When it comes to reassembly, reverse the procedures (unless otherwise indicat- ed). We suggest you completely review any procedure before you take the computer apart. Procedures such as upgrading/replacing the RAM, optical device and hard disk are included in the User’s Manual but are repeated here for your convenience.
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 Battery: To remove the Wireless LAN Module: 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. Remove the screws (Figure 1a). a. Remove the screws. 3. Carefully lift the battery in the direction of the arrow (Figure 1b). b.
Disassembly Removing the Hard Disk Drive Figure 2 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 3b). Figure 3 6. Slightly lift and pull the hard disk assembly in the direction of arrow (Figure 3c HDD Assembly 7. Lift the hard disk assembly out of the bay (Figure 3d Removal (cont’d.) 8.
Disassembly Removing the Keyboard Figure 4 Keyboard Removal 1. Turn off the computer, remove the battery (page 2 - 5) and bottom cover (page 2 - 2. Remove screws from the bottom of the computer. a. Remove the screws from 3.
Disassembly Removing and Installing the Processor Figure 5 Processor Processor Removal Procedure Removal 1. Turn off the computer, remove the battery (page 2 - 5) and bottom cover (page 2 - Procedure 2. Disconnect cable and remove screws from the heat sink unit in the order indicated on the label (i.e screw first through to screw last...
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Disassembly 4. Press down and hold the latch (with the latch held down you will be able to release it). 5. Move the latch fully in the direction indicated to unlock the CPU(Figure 6c). Figure 6 6. Carefully (it may be hot) lift the CPU up out of the socket (Figure 6d).
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Disassembly Processor Installation Procedure Figure 7 Processor 1. Insert the CPU ; pay careful attention to the pin alignment (Figure 7a), it will fit only one way (DO NOT FORCE Installation IT!). 2. Move the latch fully in the direction indicated to lock the CPU. 3.
Disassembly Removing the System Memory (RAM) Figure 8 The computer has two memory sockets for 260 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting RAM Module DDR4 up to 2666/3200 MHz. The main memory can be expanded up to 64GB. The total memory size is automatically Removal detected by the POST routine once you turn on your computer.
Disassembly Removing the M.2 SSD Module Figure 9 M.2 SSD-1 Module M.2 SSD-1 Module Removal Procedure Removal 1. Turn off the computer, turn it over, remove the battery (page 2 - 5) and bottom cover (page 2 - 2. The M.2 SSD module will be visible at point on the mainboard (Figure 9a).
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Disassembly M.2 SSD-2 Module Removal Procedure Figure 10 M.2 SSD-2 Module 1. Turn off the computer, turn it over, remove the battery (page 2 - 5) and bottom cover (page 2 - Removal 2. The M.2 SSD module will be visible at point on the mainboard (Figure 9a).
Disassembly Removing the Wireless LAN Module Figure 11 Wireless LAN 1. Turn off the computer, turn it over, remove the battery (page 2 - 5), bottom cover (page 2 - 6) and SSD-2 (page 2 Module Removal 14). 2. The Wireless LAN module will be visible at point on the mainboard (Figure 11a).
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 CCD Figure 12 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. a.
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Disassembly 5. Disconnect the cable from the locking collar socket by using a flat-head screwdriver to pry the locking collar Figure 13 pins away from the base (Figure 13c). CCD Removal 6. Remove the CCD module (Figure 13d). (cont’d) 7. Reverse the process to install a new CCD module. c.
Appendix A:Part Lists This appendix breaks down the NH50AF1 / NH55AFW / NH57AF1 / NH58AF1 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 NH50AF1 NH58AF1 NH55AFW NH57AF1 Location page A - 3 page A - 4 page A - 5 Bottom page A - 6 page A - 7...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the NH50AF1 / NH55AFW / NH57AF1 / NH58AF1 notebook’s PCB’s. The fol- lowing table indicates where to find the appropriate schematic diagram. Diagram - Page Diagram - Page Diagram - Page Table B - 1 System Block Diagram - Page B - 3...
Schematic Diagrams Card Reader / LAN RTL8411B LAN RTL8111H-CG GIGA LAN LAN (RTL8411B) Switching Regulator close to PIN48 VDD10 (>20mil) REGOUT R761 *28mil_short_06 Crystal HSX321S(3.2X2.5X0.65) (>20mil) RSET R741 2.49K_1%_04 meet realtek Freq tolerance 50ppm R754 *1K_04 J_SD1 FOR S5 WAKE UP ON LAN SD_D0/MS_D1_R DATA0 R756...
Schematic Diagrams PER KEY LED KB GSW7_R GSW7 Q29A PER KEY LED KEYBOARD MTDK3S6R GSW6_R NH50/NH70 PER KB GSW6 Q29B MTDK3S6R GSW5_R PER KEY LED KEYBOARD GSW5 Q28A MTDK3S6R NH50 PER KB GSW4_R J_PERKB1 NH70 PER KB LED_B0 LED_B0 OUTB0 RN19 J_PERKB2 LED_B1...
Schematic Diagrams Power Sequence NH50AC/AD2 POWER ON SEQUENCE G3-->S0 NH50AC Power On Sequence----2020.2.24 POWER SEQ. [3]VREG5 AC IN Status [4]XLP_OUT [5]VDD3 [6]PWR_SW# Power on Status [7]PWR_BTN# [8]SLP_SUS# [9]1.05VA [10]VDDP_ALW [11]VDDP_PWRGD [12]3.3VA Sheet 73 of 73 [13)DD_ON Power Sequence [14)SUSBC_EC# [15)3.3V [16)VDD5 [17)5V [18)RSMRST#...
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