Preface
IX
Preface
Contents
Introduction ..............................................1-1
Overview ......................................................................................... 1-1
Specifications .................................................................................. 1-2
External Locator - Top View with LCD Panel Open ......................1-4
External Locator - Front & Right Side Views .................................1-5
External Locator - Left Side & Rear View .....................................1-6
External Locator - Bottom View .....................................................1-7
Mainboard Overview - Top (Key Parts) .........................................1-8
Mainboard Overview - Bottom (Key Parts) ....................................1-9
Mainboard Overview - Top (Connectors) .....................................1-10
Mainboard Overview - Bottom (Connectors) ...............................1-11
Disassembly ...............................................2-1
Overview ......................................................................................... 2-1
Maintenance Tools ..........................................................................2-2
Connections ..................................................................................... 2-2
Maintenance Precautions .................................................................2-3
Disassembly Steps ...........................................................................2-4
Removing the Keyboard ..................................................................2-5
Removing the Battery ......................................................................2-6
Removing the M.2 SSD Module .....................................................2-8
Removing the Hard Disk Drive .......................................................2-9
Removing the System Memory (RAM) ........................................2-11
Removing the Wireless LAN Module ...........................................2-12
Wireless LAN, Combo Module Cables .........................................2-13
Installing the Touchpad .................................................................2-14
Part Lists ..................................................A-1
Part List Illustration Location ........................................................ A-2
Top ................................................................................................. A-3
Bottom ............................................................................................ A-4
Main Board ................................................................................... A-5
HDD .............................................................................................. A-6
LCD ............................................................................................... A-7
Schematic Diagrams................................. B-1
System Block Diagram ...................................................................B-2
Processor 1/6 ...................................................................................B-3
Processor 2/6 ...................................................................................B-4
Processor 3/6 ...................................................................................B-5
Processor 4/6 ...................................................................................B-6
Processor 5/6 ...................................................................................B-7
Processor 6/6 ...................................................................................B-8
DDR4 CHA SO-DIMM_0 ..............................................................B-9
DDR4 CHB SO-DIMM_0 ............................................................B-10
Straps and XTAL ..........................................................................B-11
VGA Frame Buffer Interface ........................................................B-12
VGA Frame Buffer A ...................................................................B-13
VGA Frame Buffer A ...................................................................B-14
VGA Frame Buffer B ...................................................................B-15
VGA Frame Buffer B ...................................................................B-16
VGA I/O .......................................................................................B-17
NVIDIA Power Sequence .............................................................B-18
NVIDIA GPIO Level Shift ...........................................................B-19
VGA PWR/GND/NCs ..................................................................B-20
VGA NVVDD Coupling ..............................................................B-21
MDP ..............................................................................................B-22
Panel, Inverter ...............................................................................B-23
HDMI ............................................................................................B-24
PCH 1/9 ........................................................................................B-25
PCH 2/9 ........................................................................................B-26
PCH 3/9 ........................................................................................B-27
Summary of Contents for NP50DB
Page 1: ...NP50DB NP50DE ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer NP50DB NP50DE Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 41: ...Top A 3 A Part Lists Top Figure A 1 Top ...
Page 42: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 43: ...Main Board A 5 A Part Lists Main Board Figure A 3 Main Board ...
Page 44: ...A 6 HDD A Part Lists HDD Figure A 4 HDD ...
Page 45: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 46: ...A 8 A Part Lists ...