Preface Notebook Computer W255BU/W258BUQ-C/W258BUQ/W252BUM/W255BU/W251BUQ/W251BUQC/W258BWQ/W258BWQ- C/W251BWQ-C/W251BWQ/W255BW 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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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 W255BU/ W258BUQ-C/W258BUQ/W252BUM/W255BUC/W251BUQP/W251BUQC/W258BWQ/W258BWQ-C/W251BWQ- C/W251BWQ/W255BW 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.
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...
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.
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.
Preface Related Documents You may also need to consult the following manual for additional information: User’s Manual on CD 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.
Introduction Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W255BU/W258BUQ-C/W258BUQ/W252BUM/ W255BU/W251BUQ/W251BUQC/W258BWQ/W258BWQ-C/W251BWQ-C/W251BWQ/W255BW series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual. Information about drivers (e.g. VGA & audio) is also found in User’s Manual. That manual is shipped with the computer.
Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. Optional Built-In PC Camera 2. LCD 3. Power Button 4. LED Status Indicators 5. Keyboard 6. Built-In Microphone 7. Touchpad & Buttons 15.6” (39.62cm) 1 - 4 External Locator - Top View with LCD Panel Open...
Introduction External Locator - Front & Right side Views Figure 2 Front Views 1. LED Power Indicators Figure 3 Right Side Views 1. Microphone-In Jack 2. Headphone-Out Jack 3. USB 2.0 Port 4. Optical Device Drive Bay 5. Security Lock Slot 6.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. DC-In Jack 2. External Monitor Port 3. RJ-45 LAN Jack 4. HDMI-Out Port 5. 2 * USB 2.0 Ports 6. Vent 7. Multi-in-1 Card Reader Figure 5 Rear View 1.
Disassembly Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the W255BU/W258BUQ-C/W258BUQ/W252BUM/ W255BU/W251BUQ/W251BUQC/W258BWQ/W258BWQ-C/W251BWQ-C/W251BWQ/W255BW 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 Warning 1. Don't drop it. Perform your repairs and/or upgrades on a stable surface. If the computer falls, the case and other Before you undertake components 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 Keyboard: 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. Slide the latch in the direction of the arrow (Figure 1a a. Slide the latch and hold it 3. Slide the latch in the direction of the arrow, and hold it in place (Figure 1a in place.
Disassembly Removing the Hard Disk Drive The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 9.5mm Figure 2 (h). Follow your operating system’s installation instructions, and install all necessary drivers and utilities (as outlined in HDD Assembly Chapter 4 of the User’s Manual) when setting up a new hard disk.
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Disassembly 3. Remove the hard disk bay cover (Figure 3b Figure 3 4. Grip the tab and slide the hard disk in the direction of arrow (Figure 3c HDD Assembly 5. Lift the hard disk assembly out of the bay (Figure 3d Removal (cont’d.) 6.
Disassembly Removing the Optical (CD/DVD) Device Figure 4 Optical Device 1. Turn off the computer, remove the battery (page 2 - 5) and hard disk (page 2 - Removal 2. Remove the screw at point (Figure 4a 3. Use a screwdriver to carefully push out the optical device at point (Figure 4b a.
Disassembly Removing the System Memory (RAM) Figure 5 RAM Module The computer has one memory socket for 200 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal DDR3 1333/ 1066MHz. The main memory can be expanded up to 4GB. The SO-DIMM modules supported are 1GB, 2GB and 4GB and DDRIII Modules.
Disassembly Removing the Wireless LAN Module Figure 6 Wireless LAN 1. Turn off the computer, remove the battery (page 2 - 5) and the component bay cover (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard.
Disassembly Removing the 3.75G Module Figure 7 3.75G Module 1. Turn off the computer, remove the battery (page 2 - 5) and the component bay cover (page 2 - Removal 2. The 3.75G module will be visible at point on the mainboard. 3.
Disassembly Removing the Keyboard Figure 8 Keyboard Removal 1. Turn off the computer, and remove the battery (page 2 - a. Remove screws from the 2. Remove screws from the bottom of the computer. Press at points to unsnap the LED cover module bottom of the computer.
Part Lists Appendix A: Part Lists This appendix breaks down the W255BU/W258BUQ-C/W258BUQ/W252BUM/W255BU/W251BUQ/W251BUQC/ W258BWQ/W258BWQ-C/W251BWQ-C/W251BWQ/W255BW series notebook’s construction into a series of illustra- tions. 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.
The following table indicates where to find the appropriate part list illustration. Table A- 1 Part List Illustration Location Parts W251BUQ W251BWQ W255BU W258BUQ W258BWQ page A - 3 page A - 4 page A - 5 page A - 6...
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Part Lists Top (W251BUQ) Figure A - 1 Top (W251BUQ) 非耐落 灰色 Top (W251BUQ) A - 3...
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Part Lists Top (W251BWQ) Figure A - 2 Top (W251BWQ) 非 耐 落 灰 色 A - 4 Top (W251BWQ)
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Part Lists Top (W255BU) Figure A - 3 Top (W255BU) 非耐落 灰色 Top (W255BU) A - 5...
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Part Lists Top (W258BUQ, W258BWQ) Figure A - 4 Top (W258BUQ, W258BWQ) 非耐落 灰色 A - 6 Top (W258BUQ, W258BWQ)
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Part Lists Bottom (W251BUQ, W255BU, W258BUQ) Figure A - 5 Bottom (W251BUQ, W255BU, W258BUQ) Bottom (W251BUQ, W255BU, W258BUQ) A - 7...
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Part Lists Bottom (W251BWQ, W258BWQ) Figure A - 6 Bot- tom(W251BWQ, W258BWQ) A - 8 Bottom (W251BWQ, W258BWQ)
Part Lists DVD DUAL Figure A - 8 DVD DUAL 非耐落 志精 A - 10 DVD DUAL...
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Part Lists SATA-DVD (W258BWQ) Figure A - 9 SATA-DVD (W258BWQ) 非耐落 志精 SATA-DVD (W258BWQ) A - 11...
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Part Lists DUMMY ODD Figure A - 10 DUMMY ODD 非耐落 志精 A - 12 DUMMY ODD...
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Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the W255BU/W258BUQ-C/W258BUQ/W252BUM/W255BU/W251BUQ/ W251BUQC/W258BWQ/W258BWQ-C/W251BWQ-C/W251BWQ/W255BW notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Table B - 1 Diagram - Page Diagram - Page Diagram - Page...
Schematic Diagrams System Block Diagram W240BU/W250BUQ/W250BAQ System Block Diagram CLICK BOARD VDD3,VDD5 6-71-W2402-D01 POWER SWITCH BOARD GPU POWER, VDDC AMD FUSION APU POWER SWITCH+HOTKEY X 3 A T I RO BS O N MVDDQ,1.8V_REG,1.0V_REG Ontario FT1 6-71-E51QS-D02 (S3 TYPE) PCIE*4 5V,3V,5VS,3.3VS 512MB DDR3 41 3-B A LL...
Schematic Diagrams ONTARIO MEM & PCIE I/F, AP ONTARIO MEM & PCIE I/F, AP 5 , 6 M E M_ A D D R [ 1 5 : 0 ] M E M _D A T A [ 6 3 : 0 ] 5 , 6 U 1 E M EM _ A DD R0 B 14...
Schematic Diagrams ONTATIO DISPLAY/ CLK/ MISC ONTARIO DISPLAY/CLK/MISC 1 . 8 V S R 11 1 K _ 0 4 C P U _ S V C C P U _ S V D R 12 1 K _ 0 4 R 14 3 0 0_ 1 % _ 0 4 A P U _ P W R G D...
Schematic Diagrams ONTARIO POWER & DECOUPLING ONTARIO POWER & DECOUPLING 1 . 8 V S V D D C R _C P U U 1C C 2 9 C 3 1 U 1 D C 3 0 C 26 C 2 7 C 28 N 1 3 V D D C R _C PU _1...
Schematic Diagrams INAGUA DDR3 SO-DIMMS A SO -D IMM A INAGUA DDR3 SO-DIMMS A M E M _A DD R[15:0] M E M _D AT A[63:0] 2,6 JDIM M 1A M E M _ AD DR0 M E M _D AT A 0 D Q0 M E M _ AD DR1 M E M _D AT A 1...
Schematic Diagrams INAGUA DDR3 SO-DIMMS B S O-D IMM B INA GUA DDR3 S O-DIMMS B M E M _A DD R[15:0] M EM _DA T A[63 : 0] 2,5 JD IM M 2A M E M _A DDR 0 M EM _DA T A 0 M E M _A DDR 1 M EM _DA T A 1...
Schematic Diagrams Robson S3 MAIN 2/6 COMPONENTS SH OWN AR E EXAMPLES ONLY AND NOT NEC ESSAR ILY QUALIFIED VBIOS FLA SH ROM U 4 B 3. 3V S _GP U 0. 1"~ 0.5 " R 10 1 A F2 TMD S _T XC P 21 5 12Kbit TX C A P_ D PA 3 P...
Schematic Diagrams Robson S3 MEM Interface 3/6 COMPONENTS SHOWN ARE EXAMPLES ONLY DDR3 Memory AND NOT NECESSARILY QUALIFIED Interface DQA0_[ 31. .0] M AA[12 ..0] 1 3,14 G DDR 5/DD R3 GDD R5/D DR3 DQA0_ 0 K 2 7 MAA0 DQ A 0 _0/D QA _ 0 MAA 0 _0/ MAA _ 0 J2 9...
Schematic Diagrams Robson S3 Straps 4/6 GPIO21 MUST BE LOW DURING PERSTB WHEN BEING USED TO CONTROL MVDDQ 3.3V S _GP U P IN S T RAP S W250B AQ RE COM M E ND ED S E T T ING S R1 30 *1 0K_0 4 GP IO0...
Schematic Diagrams Robson S3 Power 5/6 A A 27 PC IE_V S S #1 G ND#1 A B 24 A 30 A B 32 PC IE_V S S #2 G ND#2 A A1 3 A C24 PC IE_V S S #3 G ND#3 A A1 6 PC IE_V S S #4...
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Schematic Diagrams Robson S3 Power 6/6 M V D DQ 2.8A 21 0m il MV D D Q *0 . 1u _ 10 V _X 5R _ 0 4 *0 . 1 u_ 10 V _X 5 R _0 4 * 1u _6 .
Schematic Diagrams Robson DDR3 MEM CH-A COMPONENTS SHOWN ARE EXAMPLES ONLY CHANNEL A: 64M X 16 bit X8 DDR3 (RANK0) AND NOT NECESSARILY QUALIFIED MV D D Q D QA 0 _[ 1 5. . 8 ] D QA 0_ [ 31 . . 24 ] 9 V R E F C _U 7 D QA 0_ 11 V R E FC _U 8...
Schematic Diagrams Robson DDR3 MEM CH-B C OMPONEN TS SHOWN AR E EXA MPLES ON LY CHANNEL A: 64M X 16 bit X8 DDR3 (RANK1) A ND N OT NE CE SSA RILY QUA LIFIED U 1 1 U 1 2 D QA 1 _[ 1 5.
Schematic Diagrams HUDSON PCIE/ PCI/ CLOCK/ FCH U 19 E HU DS ON P CI E/P CI /C LO CK /FC H C 4 4 1 1 50 p F _N P O_ 5 0V _ 0 40 2 HU DS ON -1 PA R T 1 O F 5 P C I E _ R S T # _C P C I E_R S T#...
Schematic Diagrams HUDSON GPIO/ USB/ STRAP HUDSON GPIO/USB/AUDIO/STRAP U 1 9 A HU DSON -1 P AR T 4 O F 5 R 6 92 0 _0 4 S W I # A 10 R 7 3 0 *0 _0 4 PC I _P M E #/ G E VEN T4# U SB C LK/ 14M _25M _48M _O SC R 6 9 0...
Schematic Diagrams HUDSON SATA/ DEBUG IO/ SPI HUDSON SATA/DEB UG IO/SPI DE BU G ON LY DNI R6 52 and R653 for custom er board U 19B HUD SON-1 PA R T 2 O F 5 A H9 S AT AT X P 0 SA TA _TX 0P FC _C LK S AT AT X N 0...
Schematic Diagrams HUDSON POWER DECOUPLING HUDSON POWER DECOUPLING U 19 C H UD SON -1 3 . 3V S PAR T 3 O F 5 1 . 1 V S P O WER U 19 D A H 1 N 1 3 1 3 1 mA 51 0 m A V D D I O _33_PC I G P...
Schematic Diagrams LVDS, INVERTER 3 . 3 V S R577, R578 W250BAQ Delete PANEL CONNECTOR J_LC D1 For single channel R 5 7 7 2. 2 K _ 0 4 R 5 7 8 2. 2 K _ 0 4 J_LC D2 For dual channe l EDID Mode V I N _ L C D...
Schematic Diagrams HDMI/ CRT HDMI PORT 5V S _H D MI R D 2 L9 8 5V S * BA V 99 R EC T I FI E R R D 3 1_ 04 * BA V 99 R EC T I FI E R R D 1 For ESD * BA V 99 R EC T I FI E R...
Schematic Diagrams CCD/ 3G MINI CARD 3G(Port 6) Layo ut Sh ow "3.5G( H SDP A)" Note Layout? 3 G_ 3 . 3 V 1. SIM? ? ? ? ? ? ? ? (10mil) J _3 G 1 60 mils W A K E # 3 .
Schematic Diagrams Card Reader/ LAN JMC261C 3 . 3 V _L A N JMC261 C S D _ C L K S wit ch in g Reg ul at or LDO t ype ? J MC26 1C , S D _ C L K R 44 0 0 _ 0 4 c los e to P IN3 3...
Schematic Diagrams MINI PCIE/ SATA HDD/ ODD MINI CARD (WLAN,Port 5) 20 mil 3 . 3 V Layo ut Sho w "WLAN ( W imax, 802. 11N ) " Not e C 84 7 0 . 1 u _1 6 V _ Y 5 V _ 04 J_ M I N I 1 P C I E _ W A K E # R 5 0 9...
Schematic Diagrams AUDIO CODEC ALC261C 5 8 C o m p o n e n t . AUDIO CODEC ALC269 VB P V D D 1 _ 2 5 V S Lay out note : VT1802P EM I Requ ire R 45 9 0 _ 06 For 1 .5 V H DA Link .
Schematic Diagrams KBC- ITE IT8518 K B C _ A V D D V D D 3 R 50 1 *1 5 m i l _ sh o rt _ 06 L 1 17 V D D 3 H C B 1 0 05 K F -1 2 1T 2 0 U 37 V D D 3 K B C _S P I _S I _ R...
Schematic Diagrams LED/ MDC/ BT 3V _B T Bluetooth J _ B T 1 3 . 3 V U S B _ P N 6 U S B _ P P 6 R 5 3 6 2 4, 2 7 B T _ D E T # B T _ E N # 47 K _ 0 4...
Schematic Diagrams USB/ FAN/ TP/ MULTI CON USB PORT*2(Port 0,Port1) R 7 4 0 0 _ 06 U S B V C C 1 U S B _V C C 2 60 mil R 7 4 1 * 0_ 0 6 FAN CONTROL U S B V C C 0 Reserve 9/8...
Schematic Diagrams Power 1.5V/ 0.75 V I N P D 1 2 12 /6 Dis ab le R B 0 5 40 S 2 P U 4 V D D Q u P 6 1 63 P C 6 9 P Q 2 3 10 u _ 1 0V _ Y 5 V _ 0 8 MD S 2 6 5 9...
Schematic Diagrams Power 1.8VS V I N OCP=10uA X RILIM / Rdson P R40 E N_1.8V PR41 *15K_1% _04 P D10 P C52 P C53 P C54 100K _1% _04 PQ 20 PC56 *RB0540S 2 S US B P R42 10K _ 1% _04 30, 32,33,36 SUS B...
Schematic Diagrams VGA POWER Table: VDDC_OPT_VID 3 . 3V S _GP U 1.15V 1.05V 1.0V 0.9V VID0 P R 9 1 VI N VID1 * 10 K_ 04 SE T0 SE T1 SE T2 SET 3 MX M_P W R GD MX M_ PW R GD ? ? VGA default? ? ? P C 1 18...
Schematic Diagrams CHARGER/ DC IN # Char g e Cur r ent 1.5A CHARGER # Char g e Volt age 1 2.6V 6-20-B3Z40-004 for 30W P Q 48 V I N P 2 0 03 E V G 6-20-B3410-003 for 65W J A C K 1 J D D -5 2 0 48 A S 1 F - 1 65 P L 1 0...
Schematic Diagrams Click Board CLICK BOARD CLED_A CIN CLE D_BA T _CHG CLED_P WR CLE D_BA T _FU L L C R1 CR 3 CC 1 *220_04 *220_04 *220 _04 0.1u_16V_Y 5V_04 *0. 1u_16V _Y5V_04 *0.1u_16V_Y5V _04 POW ER O N *220_04 C5VS C5VS...
Schematic Diagrams Audio Board/ USB USB PORT A R 7 3 5 0 _0 6 A _ U S B V C C A L 1 A _ U S B V C C 2 H C B 1 60 8 K F -1 2 1T 2 5 60 mil A _U S B V C C A U 1...
Schematic Diagrams Power Switch & LID Board POWER SW & LED & HOT KEY S _ 3. 3 V S S _3 . 3 V POWER LID SWITCH IC SWITCH S D 2 S _ 3. 3 V S S _ 3 . 3V S R 2 *B A V 99 R E C T I F I E R S _ 3.
Download the BIOS computer model. 1. Go to www.clevo.com.tw and point to E-Services and click E-Channel. Note that BIOS versions 2. Use your user ID and password to access the appropriate download area (BIOS), and download the latest BIOS files...
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BIOS Update Use the flash tools to update the BIOS 1. Make sure you are not loading any memory management programs such as HIMEM by holding the F8 key as you see the message “Starting MS-DOS”. You will then be prompted to give “Y” or “N” responses to the programs being loaded by DOS.