Page 3
Preface Notebook Computer NP50DB / NP50DE Service Manual...
Page 4
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.
Page 5
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 NP50DB / NP50DE series notebook PC.
Page 6
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.
Page 7
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...
Page 8
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.
Page 9
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.
Page 10
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 130°...
Preface Contents Introduction ..........1-1 Main Board ................... A-5 HDD ....................A-6 Overview ..................1-1 LCD ....................A-7 Specifications ..................1-2 Schematic Diagrams......... B-1 External Locator - Top View with LCD Panel Open ......1-4 External Locator - Front & Right Side Views .........1-5 System Block Diagram ..............B-2 External Locator - Left Side &...
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the NP50DB / NP50DE 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.
Microsoft DirectX®12 Compatible facturer's release schedule. Check with your service center for more details. 15.6" (39.62cm), 16:9, FHD (1920x1080) NVIDIA® Discrete GPU BIOS NVIDIA® GeForce GTX 1650 (NP50DB) 128Mb SPI Flash ROM 4GB GDDR6 Video RAM INSYDE BIOS Microsoft DirectX®12 Compatible ...
Page 15
Introduction Communication Environmental Spec Built-In 10/100/1000Mb Base-TX Ethernet LAN Temperature ° ° 1.0M HD PC Camera Module Operating: 5 C - 35 Non-Operating: -20°C - 60°C WLAN/ Bluetooth M.2 Modules: Relative Humidity (Factory Option) Intel® Dual Band Wireless-AC 9462 Wire- Operating: 20% - 80% less LAN (802.11ac) + Bluetooth Non-Operating: 10% - 90%...
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. 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. 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 NP50DB / NP50DE 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 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.
Page 31
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.
Page 34
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 NP50DB / NP50DE 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 NP50DB / NP50DE 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 Processor 3/6 Configuration Signals: The CFG signals have a NEAR CPU default value of '1' if not terminated on the board. Refer to the appropriate platform design guide for 1.05V_VCCST pull-down recommendations when a logic low is desired. CFG[0]: Stall reset sequence after PCU PLL U16E lock until de-asserted:...
Schematic Diagrams Straps and XTAL PEXVDD 1uF x 3 HCB1608KF-300T60 GPU_PLLVDD 1V8_RUN PEXVDD 4.7uF x 2 Under GPU U153Q Place near GPU PEXVDD 10uF x 2 C237 C283 C264 C289 COMMON Rubband PEXVDD 22uF x 2 C277 U153A Place between C297 11/17 XTAL_PLL 2020/01/07...
Schematic Diagrams VGA NVVDD Coupling FBVDDQ 10uF x 6 FBVDDQ 1uF x 12 FBVDDQ 22uF x 5 NVVDD 10uF x 34 NVVDD 0.1uF x 13 NVVDD 22uF x 15 Place Under GPU FBVDDQ FBVDDQ 10uF x 2 0.1uF x 6 Partition A NVVDD Place Under GPU...
Page 79
Schematic Diagrams PCH 9/9 NO REBOOThis signal has an integrated weak BOOT STARP pull-down resistor (20 KΩ nominal) to This signal has an integrated weak disable the no reboot strap functionality pull-down resistor (20 KΩ nominal) by default. to default boot from SPI. To enable no reboot on TCO Timer To enable boot to LPC, this signal expiration, this signal should be...
Schematic Diagrams LED Board 1LR1 *0_04 4LR1 *0_04 6-71-NP504-D02 2LR1 *0_04 5LR1 *0_04 3LR1 *0_04 6LR1 *0_04 LED BOARD LED BOARD LED BOARD LED BOARD LED BOARD LED BOARD 6-52-55001-021 Angus 2020/04/20 HDD LED L_LED_HDD# 1K_04 L_3.3VS LED BOARD RY-SP190YG34-5M LED BOARD Sheet 57 of 59 6-52-55001-041...
Schematic Diagrams Power Board 1BR1 *0_04 4BR1 *0_04 6-71-NP50S-D02 2BR1 *0_04 5BR1 *0_04 POWER SW BOARD 3BR1 *0_04 6BR1 *0_04 NH50 POWER BOARD NH50 POWER BOARD NH50 POWER BOARD NH50 POWER BOARD NH50 POWER BOARD NH50 POWER BOARD Sheet 58 of 59 Power Board POWER BUTTON...
Page 106
5.456ms 1.05DX_VCCSTG 11.2us 1.184ms VCCSFR_OC 116.8ms SYS_PWROK 116.8ms PM_PWROK 118ms PLT_RST# H_PWRGD 94.4ms VCORE 120.8ms CLEVO CLEVO CLEVO Title Title Title [59] Power Sequencing [59] Power Sequencing [59] Power Sequencing Size Size Size Document Number Document Number Document Number R e v...