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Preface Notebook Computer PB50EF / PB51EF 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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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 PB50EF / PB51EF 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 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 &...
Introduction Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the PB50EF / PB51EF 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 Video Adapter Options i9-8950HK (2.90GHz) Microsoft Hybrid Graphics Mode or Discrete Graphics Mode 12MB Smart Cache, 14nm, DDR4-2666MHz, TDP 45W Supports up to 4 Active Displays i7-8750H (2.20GHz) Supports NVIDIA Surround View via HDMI x 1, MiniDP x1 9MB Smart Cache, 14nm, DDR4-2666MHz, TDP 45W Latest Specification Information and Display Port over Type-C...
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Introduction Audio Interface Environmental Spec High Definition Audio Compliant Interface One USB 3.1 Gen 2 Type-C Port* Temperature ° ° S/PDIF Digital Output *The maximum amount of current supplied by USB Type-C Operating: 5 C - 35 ports is 500mA (USB 2.0)/900mA (USB 3.1). Built-In Array Microphone Non-Operating: -20°C - 60°C Two Speakers...
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 2. Multi-in-1 Card Reader FRONT VIEW Figure 3 Right Side View 1. USB 3.1 Gen 2 Type-C Port (Factory Option) RIGHT SIDE VIEW Thunderbolt 3 Port 2.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. Security Lock Slot 2. Vent 3. *Powered USB LEFT SIDE VIEW 3.0 (USB 3.1 Gen 1) Type-A Port 4. 2-In-1 Audio Jack (Microphone and S/PDIF Optical) 5.
Introduction Mainboard Overview - Bottom (Connectors) Figure 10 Mainboard Bottom Connectors 1. RJ-45 LAN Jack 2. HDMI-Out Port 3. Mini DisplayPort 4. DisplayPort 1.3 over USB 3.1 Gen 2 Type-C Port 5. USB 3.0 (USB 3.1 Gen 1) Type-A Port 6.
Disassembly Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the PB50EF / PB51EF 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. 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 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 Wireless LAN 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. Remove screws (Figure 1a). a. Remove the screws. 3. Carefully lift the battery up in the direction of the arrow at point (Figure 1b b.
Disassembly Removing the Keyboard Figure 2 Keyboard Removal 1. Turn off the computer, remove the battery (page 2 - 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 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 5. The HDD will be visible at point on the mainboard (Figure 4d Figure 4 6. Remove screws from the HDD assembly and disconnect the ribbon cable from the locking collar HDD Assembly socket by using a flat-head screwdriver to pry the locking collar pins away from the base (Figure 4e).
Disassembly Removing the System Memory (RAM) Figure 5 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 2400 MHz. The main memory can be expanded up to 64GB. The total memory size is automatically detected by the POST routine once you turn on your computer.
Disassembly Removing the M.2 SSD Module Figure 6 M.2 SSD-1 Module M.2 SSD Removal Procedure Removal 1. Turn off the computer, remove the battery (page 2 - 5), keyboard (page 2 - 6) and bottom cover (page 2 - 2. The M.2 SSD modules will be visible at point on the mainboard (Figure 6a).
Disassembly Removing the Wireless LAN Module Figure 7 Wireless LAN 1. Turn off the computer, remove the battery (page 2 - 5), keyboard (page 2 - 6) and 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 CCD Figure 8 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 130 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 9 pins away from the base (Figure 9c). CCD Removal 6. Remove the CCD module (Figure 9d). (cont’d) 7. Reverse the process to install a new CCD module. c.