Clevo W251HNQ Manuals

Manuals and User Guides for Clevo W251HNQ. We have 1 Clevo W251HNQ manual available for free PDF download: Service Manual

Clevo W251HNQ Service Manual

Clevo W251HNQ Service Manual (103 pages)

Brand: Clevo | Category: Laptop | Size: 4.2 MB

Table of Contents

Instructions for Care and Operation
7
Power Safety
8
Battery Precautions
9
System Startup
10
Table of Contents
11
Introduction

13
Disassembly

25
- Overview
  25
- Maintenance Tools
  26
- Connections
  26
- Maintenance Precautions
  27
- Disassembly Steps
  28
- Removing the Battery
  29
- Removing the Hard Disk Drive
  30
- Removing the Optical (CD/DVD) Device
  32
- Removing the System Memory (RAM)
  33
- Removing and Installing a Processor
  35
- Removing the 3.75G Module
  38
- Removing the Wireless LAN Module
  39
- Removing the Keyboard
  40
Part Lists

41
- Part List Illustration Location
  42
- Top (W251HPQ,W251HNQ
  43
- Top (W255HP,W255HN
  44
- Top (W258HPQ,W258HNQ
  45
- Bottom
  46
- Sata Blu Ray Combo
  47
- DVD Dual
  48
- Lcd
  49
Schematic Diagrams

52
- System Block Diagram
  52
- Processor 1/7-DMI, FDI, PEG
  53
- Processor 2/7- CLK, MISC
  54
- Processor 3/7- (DDR3
  55
- Processor 4/7- Power
  55
- Processor 5/7- GFX PWR
  57
- Processor 6/7- GND
  58
- Processor 7/7- RSVD
  59
- Ddr3 So-Dimm_0
  60
- Ddr3 So-Dimm_1
  61
- Panel, Inverter, Crt
  62
- VGA PCI-E Interace
  63
- VGA Frame Buffer Interface
  64
- VGA Frame Buffer a
  65
- VGA Frame Buffer C
  66
- Vga I/O
  67
- VGA NVVDD Cecoupling
  68
- Pch 1/9- Rtc, Hda, Sata
  69
- Pch 2/9- Pcie, Smbus, Clk
  70
- Pch 3/9- DMI, Fdi, Pwrgd
  71
- Pch 4/9- Lvds, DDI, Crt
  72
- Pch 4/9- Oci, Usb, Rsvd
  73
- Pch 6/9- Gpio, Cpu
  74
- Pch 7/9- Pwr
  75
- Pch 8/9 Power
  76
- Pch 3/9- Grd
  77
- Wlan 3G Mini Pcie
  78
- CCD, Tpm, Multi con
  79
- Usb2.0, Usb3.0 Nec
  80
- Card Reader (JMC251 C)
  81
- Sata Odd, Led, Usb Charge
  82
- Hdmi, Rj45
  83
- Audio Codec Alc269
  84
- Kbc-Ite It8518E
  85
- 5Vs, 3Vs, 3.3Vm, 1.5Vs Cpu
  86
- Vdd3, Vdd5
  87
- Power 0.85VS, 1.8VS, PEX VDD
  88
- Power 1.5V/1.05Vs/0.75V
  89
- Power Vcore1
  90
- Power Vcore2
  91
- Power VGA NVVDD
  92
- Ac In, Charger
  93
- Audio Board
  94
- Click Board
  95
- W251Hpq Power Sw Board
  96
- W270Hu Bridge Odd Board
  97
- W270Hu Power Sw Board
  98
- Power Diagram
  99
- Power on SEQ
  100
Updating the FLASH ROM BIOS

101

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