Clevo W253EFQ W255EF W25AEF W253EGQ W255EG W25AEG service manual

W253EFQ/W255EF/W25AEF/W253EGQ/W255EG/W25AEG Preface Notebook Computer W253EFQ/W255EF/W25AEF/W253EGQ/W255EG/W25AEG Service Manual Preface I 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 vendor They assume no responsibility or liability for any errors or inaccuracies that may appear in this publication nor are they in anyway responsible for any loss or damage resulting from the use (or misuse) of this publication This publication and any accompanying software may not, in whole or in part, be reproduced, translated, transmitted or reduced to any machine readable form without prior consent from the vendor, manufacturer or creators of this publication, except for copies kept by the user for backup purposes Preface Brand and product names mentioned in this publication may or may not be copyrights and/or registered trademarks of their respective companies They are mentioned for identification purposes only and are not intended as an endorsement of that product or its manufacturer Version 1.0 October 2012 Trademarks Intel, Pentium and Intel Core are trademarks of Intel Corporation Windows® is a registered trademark of Microsoft Corporation Other brand and product names are trademarks and /or registered trademarks of their respective companies II 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 W253EFQ/ W255EF/W25AEF/W253EGQ/W255EG/W25AEG series notebook PC The following information is included: Chapter 1, Introduction, provides general information about the location of system elements and their specifications Chapter 2, Disassembly, provides step-by-step instructions for disassembling parts and subsystems and how to upgrade elements of the system Preface Appendix A, Part Lists Appendix B, Schematic Diagrams Appendix C, Updating the FLASH ROM BIOS III Preface IMPORTANT SAFETY INSTRUCTIONS Follow basic safety precautions, including those listed below, to reduce the risk of fire, electric shock and injury to persons when using any electrical equipment: Preface 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 Avoid using a telephone (other than a cordless type) during an electrical storm There may be a remote risk of electrical shock from lightning Do not use the telephone to report a gas leak in the vicinity of the leak Use only the power cord and batteries indicated in this manual Do not dispose of batteries in a fire They may explode Check with local codes for possible special disposal instructions This product is intended to be supplied by a Listed Power Unit with an AC Input of 100 - 240V, 50 - 60Hz, DC Output of 19V, 4.74A (90W) minimum AC/DC Adapter CAUTION This Computer’s Optical Device is a Laser Class Product FCC Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions: This device may not cause harmful interference This device must accept any interference received, including interference that may cause undesired operation IV 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 to any shock or vibration Do not place anything heavy on the computer Keep it dry, and don’t overheat it Keep the computer and power supply away from any kind of heating element This is an electrical appliance If water or any other liquid gets into it, the computer could be badly damaged Do not leave it in a place where foreign matter or moisture may affect the system Don’t use or store the computer in a humid environment Do not place the computer on any surface which will block the vents Preface Do not expose it to excessive heat or direct sunlight Do not place it on an unstable surface Follow the proper working procedures for the computer Shut the computer down properly and don’t forget to save your work Remember to periodically save your data as data may be lost if the battery is depleted Do not turn off the power until you properly shut down all programs Do not turn off any peripheral devices when the computer is on Do not disassemble the computer by yourself Perform routine maintenance on your computer V Preface Avoid interference Keep the computer away from high capacity transformers, electric motors, and other strong magnetic fields These can hinder proper performance and damage your data Take care when using peripheral devices Use only approved brands of peripherals Unplug the power cord before attaching peripheral devices Preface Power Safety The computer has specific power requirements:  VI • • Power Safety Warning • Before you undertake any upgrade procedures, make sure that you have turned off the power, and disconnected all peripherals and cables (including telephone lines) It is advisable to also remove your battery in order to prevent accidentally turning the machine on • • • Only use a power adapter approved for use with this computer Your AC adapter may be designed for international travel but it still requires a steady, uninterrupted power supply If you are unsure of your local power specifications, consult your service representative or local power company The power adapter may have either a 2-prong or a 3-prong grounded plug The third prong is an important safety feature; not defeat its purpose If you not have access to a compatible outlet, have a qualified electrician install one When you want to unplug the power cord, be sure to disconnect it by the plug head, not by its wire Make sure the socket and any extension cord(s) you use can support the total current load of all the connected devices Before cleaning the computer, make sure it is disconnected from any external power supplies Do not plug in the power cord if you are wet Do not use the power cord if it is broken Do not place heavy objects on the power cord 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 • Recharge the batteries using the notebook’s system Incorrect recharging may make the battery explode • Do not try to repair a battery pack Refer any battery pack repair or replacement to your service representative or qualified service personnel • Keep children away from, and promptly dispose of a damaged battery Always dispose of batteries carefully Batteries may explode or leak if exposed to fire, or improperly handled or discarded • Keep the battery away from metal appliances • Affix tape to the battery contacts before disposing of the battery • Do not touch the battery contacts with your hands or metal objects Battery Guidelines Preface The following can also apply to any backup batteries you may have • If you not use the battery for an extended period, then remove the battery from the computer for storage • Before removing the battery for storage charge it to 60% - 70% • Check stored batteries at least every months and charge them to 60% - 70%  Battery Disposal The product that you have purchased contains a rechargeable battery The battery is recyclable At the end of its useful life, under various state and local laws, it may be illegal to dispose of this battery into the municipal waste stream Check with your local solid waste officials for details in your area for recycling options or proper disposal Caution Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Discard used battery according to the manufacturer’s instructions Battery Level Click the battery icon in the taskbar to see the current battery level and charge status A battery that drops below a level of 10% will not allow the computer to boot up Make sure that any battery that drops below 10% is recharged within one week VII 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 program It also describes the installation and operation of the utility programs provided with the notebook PC System Startup Remove all packing materials Place the computer on a stable surface Insert the battery and make sure it is locked in position Securely attach any peripherals you want to use with the computer (e.g keyboard and mouse) to their ports Attach the AC/DC adapter to the DC-In jack on the left of the computer, then plug the AC power cord into an outlet, and connect the AC power cord to the AC/DC adapter Use one hand to raise the lid/LCD to a comfortable viewing angle (do not exceed 130 degrees); use the other hand (as illustrated in Figure 1) to support the base of the computer (Note: Never lift the computer by the lid/LCD) Press the power button to turn the computer “on” Preface 130  Shut Down Figure Opening the Lid/LCD/ Computer with AC/DC Adapter Plugged-In VIII Note that you should always shut your computer down by choosing Shut Down from the Start Menu This will help prevent hard disk or system problems Schematic Diagrams POWER 1.05V/1.05VS VTT M1 M6 M7 M8 M2 M3 M4 M5 M-MARK M-MARK M-MARK M-MARK M-MARK M-MARK M-MARK M-MARK H2 C111D111N H10 H19 GND H8 MTH8_0D2_8 GN D Sheet 39 of 50 POWER 1.05VS/ 1.05VS VTT H4 SY S15V V1.05 PR 288 PQ74 *ME4626-G 3.3V *1M_04 D PR289 *100K_04 C769 PQ75 *2N7002W R648 *10K_04 G *2200p_50V_X7R_04 D S 1.05VS_VTT_EN # Q33 G *MTN 7002ZHS3 S 1.05VS_VTT_EN 1.05VS_VTT PJ34 *8mm PC192 PC189 4.7u_25V_X5R_08 4.7u_25V_X5R_08 Z3712 -nắắaêủPIN1,2á} 5V 3.3V PR254 *100_04 IN DRV 1A 1.05VS_VTT 8A PC191 V1.05 PU9 * G9330 8A PQ55 *ME4626-G 8A PC196 *0.47u_10V_Y 5V_04 Z3713 PC198 *10K_1%_04 *.1U_16V_04 HI LO 1.05VS 1VS 20 1.05VS_VTT_EN *1u_10V_Y 5V_06 GND ADJ Z3714 PR257 *560K_1%_04 5V EN PGOOD PR256 *10K_1%_04 PC 195 PR 253 *0.1u_10V_X7R_04 *10K_04 D *40m il PQ56 *MTN7002ZHS3 1.05VS_VTT_PWRGD 20 G S PC193 PJ27 B - 40 POWER 1.05V/1.05VS VTT PC190 4.7u_25V_X5R_08 4.7u_25V_X5R_08 PR259 PR258 *1K_04 PC236 * 1000p_50V_X7R_04 H_SN B_IVB#_PWRCTRL H20 GND H21 C111D111N H25 C111D111N H23 MTH8_0D2_8 GN D H13 MTH8_0D2_8 GND H7 MTH8_0D2_8 MTH8_0D2_8 GND H24 MTH8_0D2_8 GND 1.05VS_VTT GND H22 MTH8_0D2_8 GN D B.Schematic Diagrams MTH8_0D2_8 5 H1 C111D111N GND MTH8_0D2_8 GN D H3 MTH8_0D2_8 GND MTH8_0D2_8 GN D GND Schematic Diagrams POWER VCORE1 PC173 10_1%_04 33p_50V_N PO_04 PR244 H_CPU_SVIDDAT H_CPU_SVIDALRT# H_CPU_SVIDCLK 10K_04 VBOOT 90.9K_1%_04 PR85 PR225 VIN PR 81 1K_04 3.3VS PC156 VR_R DY A H_CPU_SVIDD AT H_CPU_SVIDALRT#6 H_CPU_SVIDC LK 10 11 H_PROCHOT# DELAY _PW RGD 12 13 14 15 01u_50V_X7R_04 10K_04 PWMA BSTA HGA SWA LGA BST2 HG2 SW2 LG2 PVCC PGND LG1 SW1 HG1 BST1 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 PR226 2_06 HG1A PC166 41 LG1A 2_06 HG2 41 PC155 41 C SCOMPA CSP2A CSP1A TSENSEA 0.22u_10V_X5R_04 0.22u_10V_X5R_04 LG2 41 PC148 2.2u_6.3V_X5R_04 LG1 41 5VS SW1A PR224 SW2 5VS SW1 HG1 PR217 41 41 PR234 *0_04 Option for phase GT CSP1A 41 41 2_06 PR229 0_04 CSP2A PC149 TSENSE 0.22u_10V_X5R_04 5/24 5VS PC140 1K_1%_04 PC144 33p_50V_NPO_04 PC22 100p_50V_NPO_04PC133 PR209 15K_1%_04 PR218 CSR EF 49 9_1%_04 PR73 PR 211 CSR EF PWR BCN 30k->15k C101130 4.12K_1%_0402 10.7K_1%_04 PR207 0_04 SWN2 41 CSREF PR206 6.98K_1%_04 PC131 0.047u_10V_X7R_04 41 PR89 *1K_1%_04 PC141 1000p_50V_X7R_04 PR247 *1 21K_1%_04 PR210 PR248 *24.9K_1%_04 PR99 VR_EN 11,20,34 ALL_SYS_PWRGD SGND *15mil_short PR197 * 1K_1%_04 PC124 CSCOMP PR196 PR 186 *3300p_50V_X7R_04 2.43K_1%_04 DROOP PR195 0_04 PC123 1000p_50V_X7R _04 CSREF *3 6K_1%_04 FBA PC143 PC142 1200p_50V_X7R_04 1000p_50V_X7R_04 51K_1%_04 PC23 4700p_50V_X7R_04 RT3 PUT COLSE TO VCORE HOT SPOT PC 33 *680p_50V_X7R_04 CSSUM PJ *6mil PR62 CSP3 TRBSTA# CSCOMP PR72 TRBST# 41 PC130 0.047u_10V_X7R_04 CSP2 4700p_50V_X7R_04 CSREF SWN1 0.1u_10V_X7R_04 CSP1 CSP2 CSP3 PR77 10_1%_04 PC24 680p_50V_X7R _04 1.21K_1%_04 Option for phase CPU PR205 6.98K_1%_04 CSP1 PR78 0_04 VCORE_VCC_SENSE 47K_1%_04 8.25K_1%_04 PC150 1000P_50V_X7R_04 VSP 100K_NTC_06_B VSN PR79 Sheet 40 of 50 POWER VCORE1 PUT COLSE TO VGFX HOT SPOT TSENSE PR76 0_04 10K_04 PR 100 0.1u_10V_X7R_04 PR204 TRBST# * 1u_10V_Y 5V_06 VCORE_VSS_SENSE 3.3VS RT5 PR249 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 PC151 41 PR228 19.6K_1%_04 VCC VDDBP VRDY A EN SDIO ALER T# SCLK VBOOT ROSC VRMP VRHOT# VRDY VSN VSP DI FF DROOP PR102 20 DELAY _PWRGD SWN1A PR233 6.98K_1%_04 CSREFA 41 PU8 NCP6132A TR BST# FB COMP IOUT I LIM DROOP CSCOMP CSSUM CSREF CSP3 CSP2 CSP1 TSN S DR VEN PW M PR227 0_04 VR_EN PJ22 * 6mil I MON 75_1%_04 H_CPU_SVIDDAT H_CPU_SVIDALRT# H_CPU_SVIDCLK PR94 54.9_1%_04 PC168 EPAD VSNA VSPA DIFFA TRBSTA# FBA COMPA IOU TA ILIMA DROOPA CSC OM PA C SSUMA CSREFA C SP2A CSP1A TSN SA PC174 2.2u_6.3V_X5R _04 PR95 PR96 130_1%_04 PC169 0.047u_10V_X7R_04 CSP1A CSREFA 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 PR88 2_06 5VS TSENSEA CSREFA 41 PC170 1000p_50V_X7R_04 CSSUMA FBA PR103 10K_04 IMONA TRBSTA# *15mil_06 100_04 VR _RDY A PR242 * 4.7K_1%_04 PUT COLSE TO VCORE Phase Inductor PR193 127K_1%_06 SWN1 41 PR194 127K_1%_06 SWN2 41 PC132 270p_50V_X7R_04 PR192 75K_1%_04 RT4 PC182 * 4700p_50V_X7R_04 PR208 165K_1%_04 100K_NTC_06_B POWER VCORE1 B - 41 B.Schematic Diagrams PR86 PR87 *0_04 VR1_VSSGT_SENSEA 1.05VS_VTT CSREFA 1.6K_1%_04 25K_1%_04 PR230 11.8K_1%_0402 5VS PC 175 1000p_50V_X7R_04 PR241 0_04 3.3VS 1000p_50V_X7R_04 DROOPA PR237 64.9K_1%_06 SWN1A D ROOPA PR240 0_04 VR1_VCCGT_SENSEA PR90 CSCOMPA PR235 100_04 PC179 PC177 H_PROCHOT# 3,42 H_PROCHOT# PR 243 0_04 4.3K_1%_04 2200p_50V_X7R_04 PR231 1K_1%_04 PR91 VGFX_CORE PR246 165K_1%_04 PUT COLSE TO GT Inductor 100K_NTC_06_B PR101 *75_04 10p_50V_NPO_04 PC 180 * 100p_X7R_04 RT6 100K_NTC_06_B PC181 PR251 PR239 1.05VS_VTT PUT COLSE TO CPU SOCKET 75K_1%_04 PC171 1200P_50V_X7R_04 0.1u_10V_X7R_04 PR238 24K_1%_04 PR236 * 1K_1%_04 PC176 330P_50V_X7R_04 PC172 Schematic Diagrams HG1 40 SW1 HG1 DCR 1.1mohm SW1 30A VCORE 40 HG2 40 SW2 DCR 1.1mohm SW2 CSREF G 0.1u_50V_Y5V_06 30A PD23 PR74 G CSREF FM5822 40 VCORE cost down C101207 VIN 0.1u_50V_Y5V_06 4.7u_25V_X5R_08 4.7u_25V_X5R_08 D S PC139 + + PC164 + PC165 330u_2.5V_V_A VGFX_CORE PC161 330uF_2.5V_9m_6.3*6 HG1A + *330uF_2.5V_9m_6.3*6 G 40 + 330uF_2.5V_9m_6.3*6 PQ13 NTMFS4926N HG1A PC26 PC162 330uF_2.5V_9m_6.3*6 + PC27 PC163 PL8 DCR 1.1mohm 40 SW1A SW1A 25A LG1A + PC187 *330u_2.5V_V_A C PQ51 NTMFS4935N D 40 PQ14 NTMFS4935N D 0.36UH_12.9*14*3.8 LG1A PR250 G B - 42 POWER VCORE2 A CSOD140SH PD24 S S G CSREFA 40 PR232 10_04 *15mil_06 SWN1A 40 QC 45W GT2 V ID1=1.23V IccMax=25A Icc_Dyn=37A Icc_TDC= 38A R_LL=3.9m ohm OCP~30A CSREF 40 SWN2 40 10_04 *15mil_06 PR63 SWN1 PC25 VCORE C D D G S 40 10_04 PR64 *15mil_06 A S PL6 A PR66 FM5822 PQ49 NTMFS4935N S G S S LG2 PQ47 NTMFS4935N D PD22 CSREF G LG2 C 40 G PC108 0.36UH_12.9*14*3.8 PQ10 NTMFS4935N S PQ46 NTMFS4935N D PQ44 NTMFS4935N D PQ8 NTMFS4935N D LG1 LG1 PC106 HG2 0.36UH_12.9*14*3.8 40 PC107 15u_25V_6.3*4.4 D G S G PL5 + PQ42 NTMFS4926N S 0.1u_50V_Y5V_06 PQ43 NTMFS4926N D PC116 *4.7u_25V_X5R_08 VIN PC109 *4.7u_25V_X5R_08 PC111 *4.7u_25V_X5R_08 15u_25V_6.3*4.4 G S 40 + S G Sheet 41 of 50 POWER VCORE2 PQ41 NTMFS4926N D D PQ40 NTMFS4926N PC110 *4.7u_25V_X5R_08 VIN PC122 330uF_2.5V_9m_6.3*6 B.Schematic Diagrams POWER VCORE2 QC 45W CPU V ID1=0.9V IccMax=60A Icc_Dyn=66A Icc_TDC= 52A R_LL=1.9m ohm OCP~70A Schematic Diagrams Power VGA NVVDD/PEX_VDD 3V3_RUN NM OS VGA NVVDD SY S15V PQ3 MTN2604G6 3.3V PR7 3V3_RUN 1A 3 PC81 PC1 PC82 4.7u_25V_X5R_08 PC2 4.7u_25V_X5R_08 D *5.1_06 FM5822 A *220p_50V_04 PC93 PC88 4.7u_25V_X5R_08 4.7u_25V_X5R_08 + + + PJ35 PR47 *40mil 100_1%_04 *12mm Sheet 42 of 50 Power VGA NVVDD/PEX_VDD PR29 10_04 CS_PH2 G HDR2 5VS 5VS ADP3212_CSREF PC86 4.7u_25V_X5R_08 VIN PC84 PQ1 NTMFS4926N PC87 CS_PH2 100_06 PC92 PR5 + 10_04 PC91 4.7u_25V_X5R_08 CS_PH1 100_06 CS_PH1 C D G 0.1u_50V_Y5V_06 SGND2 VRTT TTSNS AGND AGND G 5VS PR6 37 38 39 40 41 42 43 44 45 46 47 48 RSP PR37 1.69K_1%_04 S 24 23 22 21 20 19 18 17 16 15 14 13 SWFB3 PWM3 OD3# ILIM CSCOMP CSSUM CSREF LLINE RAMP RT RPM IREF 12p_50V_NPO_04 10 TTSNS 11 12 49 PC11 39.2K_1%_04 150p_50V_06 PR27 NCP3218G BST1 2_06 VCC PH1 PH0 DPRSLP PSI# VID6 VID5 VID4 VID3 VID2 VID1 VID0 D S TRDET# 5VS PR161 PR46 0.1u_10V_X7R_04 PC99 36 35 34 33 32 31 30 29 28 27 26 25 PR166 PD20 *330u_2.5V_V_A 82.5K_1%_04 BST1 DRVH1 SW1 SWFB1 PVCC DRVL1 PGND DRVL2 SWFB2 SW2 DRVH2 BST2 PQ37 NTMFS4935N 330uF_2.5V_9m_6.3*6 PR28 PQ5 PC83 NTMFS4935N PJ19 50A 330uF_2.5V_9m_6.3*6 PC12 150p_50V_06 EN PWRGD IMON CLKEN# FBRTN FB COMP TRDET# VARFR NVVDD PL3 TMPC1004H-R36M-Z01 22A 330uF_2.5V_9m_6.3*6 NVVDD FOR N13_VGA PC105 3K_1%_04 *10K_1%_04 ON PC104 0_04 PC103 PR285 ADP3212VR_ON PR20 G *MTN7002ZHS3 PJ32 PC101 NCPEN PQ6 PU5 dGPU_PWR_EN# 22,34 PC102 PR19 PQ35B *40mil S RSN *10K_04 PS_NVVDD_PGOOD# 0_04 C101115 LX1 D 1.2K_1%_04 S 1000p_50V_X7R_04 PR279 D PC98 PR36 G S MTDK5S6R HDR1 SGND2 4.7u_25V_X5R_08 SGND2 PR9 PQ4 NTMFS4926N SGND2 NCPEN D 5G 22A LX2 PL2 TMPC1004H-R36M-Z01 3,40 H_PROCHOT# PQ2 NTMFS4935N PR8 G C D PQ36 NTMFS4935N 0.22u_50V_08 BST2 G PC8 1u_16V_X5R_06 PR168 PR18 10K_04 SGND2 5.1K_1%_04 3V3_RUN A 3V3_RUN PR169 *1K_1%_04 *1K_1%_04 1K_1%_04 1K_1%_04 *1K_1%_04 1K_1%_04 *1K_1%_04 5VS PC100 100K_NTC_06_B 0.01u_16V_X7R_04 PC3 FM5822 3V3_RUN RT1 *5.1_06 PD19 S SGND2 S TTSNS PR162 2_06 10_04 S G D PR11 PQ7 MTN7002ZHS3 7.32K_1%_04 PC85 D PR174 *220p_50V_04 RSP 0_04 *10mil_short *10mil_short *10mil_short *10mil_short *10mil_short *10mil_short *R_04 PR23 DPRSLP 2.2K_04 0_04 NVVDD_VID0 NVVDD_VID1 NVVDD_VID2 NVVDD_VID3 NVVDD_VID4 NVVDD_VID5 1K_1%_04 1K_1%_04 *1K_1%_04 *1K_1%_04 1K_1%_04 *1K_1%_04 1K_1%_04 SGND2 NM OS PQ16A MTNN20N03Q8 8 PQ15A MTNN20N03Q8 VID5 VID4 VID3 VID2 VID1 VID0 N13P-GL 0.975V 1 0 N13M-GE1 0.85V 1 0 FBVDDQ FBVDDQ 1.5V@6A 240MIL FBVDDQ 1M_04 PC199 0.1u_16V_Y5V_04 10u_6.3V_X5R_06 PR107 100_04 FBVDDQ_PWR_EN PC36 PC35 0.1u_16V_Y 5V_04 10u_6.3V_X5R_06 PR106 PC200 100_04 0.022u_16V_X7R_04 ON ON D PC34 G PQ16B MTNN20N03Q8 S dGPU_PWR_EN# PQ18 2SK3018S3 PQ57B MTNN20N03Q8 0.047u_10V_X7R_04 PR105 D PC194 100_1%_04 SY S15V PEX_VDD 1.05V@4A 250 MIL PQ57A MTNN20N03Q8 1M_04 1.05V_PWR_EN 1.05VS PS1_GND_SENSE 12 PR48 Voltage VID6 PR40 PR41 PR42 PR43 PR44 PR45 PR172 PEX_VDD PR255 PS1_VDD_SENSE 12 16 16 16 16 16 16 NM OS 1.5V SYS15V 0_04 PQ15B MTNN20N03Q8 G PR280 *0_04 PS_NVVDD_PGOOD# PR281 0_04 PQ17 2SK3018S3 S PR12 PR49 PR50 PR51 PR52 PR53 PR54 PR22 PR17 16 PR39 PR30 PR31 PR32 PR33 PR34 PR35 PR173 *10K_04 ADP3212VR_ON PC10 *2200p_50V_X7R_04 0_04 *1000P_50V_04 RSN PR21 PR38 PC13 0_04 TRDET# dGPU_PWR_EN# Power VGA NVVDD/PEX_VDD B - 43 B.Schematic Diagrams 3V3_RUN 1000p_50V_X7R_04 S VDD3 PC9 0.22u_50V_08 470p_50V_X7R_04 649K_1%_04 187K_1%_06 59K_1%_04 80.6K_1%_04 PC7 73.2K_1%_04 ADP3212_CSCOMP ADP3212_CSSUM ADP3212_CSREF_R PC95 1200p_50V_X7R_04 PR175 1K_04 PR16 PR10 PR24 PR25 RT2 100K_NTC_06_B PR26 4.7u_25V_X5R_08 VIN PR15 20K_1%_04 PC96 S PR170 165K_1%_06 G2 PQ35A MTDK5S6R 2200p_50V_X7R_04 ADP3212_CSREF ADP3212_CSCOMP PR14 D PC4 PR171 *10mil_short SGND2 4.7u_25V_X5R_08 215K_1%_06 215K_1%_06 PR163 100_04 4.7u_6.3V_X5R_06 dGPU_PWR_EN 0.1u_50V_Y5V_06 PR167 *47K_04 CS_PH1 PR164 CS_PH2 PR13 1M_04 VIN 20K_1%_04 PC97 1u_6.3V_X5R_04 PC5 PC6 *1n_50V_04 Schematic Diagrams AC IN, CHARGER PR178 *20mil_04 PR179 *470K_04 PQ39 MEP4435Q8 VA VIN 8.2UH_7.3*6.6*2.8MM LX_CHG 14 LDR 16 BST_ 12 PR182 VAC C 33_06 A D PD21 RB0540S2 PQ38 2SK3018S3 0_04 15 IACM IACP AC AV HDR LDR ICHP BSTOZ8681 ICHM VDDP LX VAC SDA VDDP IAC IACP COMP ACAV PU1 VDDA PC15 100K_04 1000P_50V_X7R_04 PWR BCN C101201 Reset circuit PC112 *1u_25V_08 PC113 *1u_25V_08 4.7u_25V_X5R_08 4.7u_25V_X5R_08 0.1u_50V_Y5V_06 PC14 PC115 PC17 10_06 PR184 10_06 4.7u_25V_X5R_08 ICHP ICHM JBATTA1 11 V_BAT 10 SMC_BAT SMD_BAT BAT_DET IAC1 COMP 34 PR57 *20mil_04 PR58 *20mil_04 47P_50V_NPO_04 PR290 PC114 PC21 1u_10V_Y5V_06 *24K_1%_04 C101117 0.47u_10V_Y 5V_04 PC16 1u_10V_Y5V_06 SMC_BAT VDD3 PR61 PR275 100_04 D 10K_04 CHG_RST AC_IN# PQ9 2SK3018S3 S 34 100K_04 G PQ63 MTP3403N3 S D V_BAT PR261 300K_1%_04 C PR65 PD26 BAT_VOLT 34 C VA A B PQ69 DTC114EUA ZD5245BS2 PR264 PC213 60.4K_1%_04 0.1u_16V_Y5V_04 D 100K_1%_04 1) All pow er traces should be routed on the outer layers GNDP, VAD, VSYS, LX, VCHG, VBATT G S VDD3 VDD3 PQ59 2SK3018S3 PR56 PR59 PR60 2) Use Kelvin connections for R3, R4 (seperate force and measurement traces) C AC PD3 BAV99N3 A SMD_BAT AC PD4 BAV99N3 A BAT_DET AC PD2 BAV99N3 A 4) Footprint TO-236 is equivalent to SOT-23 6) All resisitors, capacitors and semiconductors are SMD 7) Potentiometers, and test points are axial devices B - 44 AC IN, CHARGER 10K_04 4.7K_04 4.7K_04 SMC_BAT 3) R23 and R24 are dummy resistors, for layout purposes only (serves as single point connection betw een GNDP & GNDA) 5) Footprint SIP/1P is a single hole axial pad E G PR260 PCB Layout notes C C AC_IN 36 SMC_BAT_R 34 SMD_BAT_R 34 TOTAL_CUR 34 C417 PC117 1u_25V_Y5V_08 PR180 100_04 BAT_DET 12/06 net-ìƠ PR176 *15mil_short_06 *0_04 PR177 13 PR55 *20mil_04 17 PR287 SCL IACM S G PR286 PC18 0.047u_10V_X7R_04 PC20 0.1u_50V_Y5V_06 BASE Sheet 43 of 50 AC IN, CHARGER PR183 *220p_50V_NPO_04 4.7u_25V_X5R_08 PC119 PC126 PC120 PR185 *5.1_06 PR181 0.01_1%_32 4.7u_25V_X5R_08 PC121 PL4 TMPB0603M-8R2MN-Z01 4.7u_25V_X5R_08 PC118 PQ45B PD1503Y VS 4.7u_25V_X5R_08 0.047u_10V_X7R_04 PC127 10_06 PC19 4.7u_25V_X5R_08 PR1 15K_04 PQ45A PD1503YVS C PD1 MDL914S2 PR4 PC94 PR2 100K_04 PC125 4.7u_25V_X5R_08 PR160 10K_04 10_06 PR165 0.01_1%_32 A 0.1u_50V_Y5V_06 PQ34 MEP4435Q8 PR3 PC80 AC_IN B.Schematic Diagrams ¾aªđJBATTA1 VA PL1 HCB4532K-800_18 GND1 GND2 J_DC_JACK1 50932-00301-001 V_BAT 34 tBTD-1010009 Schematic Diagrams AUDIO BOARD USB PORT A_USBVCC 60 mil 0_06 + AC1 C101115 AC7 100u_6.3V_B_A 0.1u_16V_Y5V_04 Port1 AL9 AUSB_PN1 AUSB_PP1 *WCM2012F2S-SHORT AGND AUSB_PN1_R AUSB_PP1_R AJ_USB1 V+ DATA_L DATA_H GND1 GND2 GND3 GND4 AL5 GND US04036BCA081 GND1 GND2 GND3 GND4 D02A Change footprint TO M/B AUDIO JACK D02A AMIC_SENSE AMIC1-R AL4 FCM1005KF-121T03 AMIC1-L FCM1005KF-121T03 AL6 AC10 AC4 L 2SJ-T351-S23 100p_50V_NPO_04 100p_50V_NPO_04 MIC IN Change to FPC connector A_USBVCC AJ_AUDIO2 10 11 12 13 14 AMIC1-R AMIC1-L AHEADPHONE-R AHEADPHONE-L AMIC_SENSE ASPK_HP# AHP_SENSE AUSB_PN1 AUSB_PP1 ASPKOUTR+ ASPKOUTRA_AUDG AGND Sheet 44 of 50 AUDIO BOARD AJ_MIC1 R 6-20-B2800-106 BLACK A_AUDG AHP_SENSE ASPK_HP# AHEADPHONE-R AR3 100_04 AL2 FCM1005KF-121T03 AHEADPHONE-L AR5 100_04 AL3 FCM1005KF-121T03 ¸Đaudio bug C101109 85201-14051-01 PCB Footprint = 85201-14X5_L AJ_HP1 R AR9 AR8 AC3 *1K_04 *1K_04 100p_50V_NPO_04 L 2SJ-T351-S23 AC2 100p_50V_NPO_04 HEADPHONE 6-20-B2800-106 BLACK A_AUDG AC14 *0_04 AC15 *0_04 AC13 *0_04 AC16 *0_04 AL7 FCM1005KF-121T03 ASPKOUTR+ AGND D02A AL8 FCM1005KF-121T03 AC11 1000p_50V_X7R_04 ASPKOUTR+_R ASPKOUTR-_R ASPKOUTR- cost downÔÊÔWƠú A_AUDG AC8 180p_50V_NPO_04 A_AUDG AH1 C59D59 AH3 C59D59 AH2 MTH276D111 AGND AGND AGND AH4 AC17 180p_50V_NPO_04 AJ_SPKR1J_SPK1 1 85204-02001 85204-02R 6-20-43150-102 6-20-43110-102 MTH276D111 AGND AUDIO BOARD B - 45 B.Schematic Diagrams 6-21-B49C0-104 6-21-B49B0-104 AGND Schematic Diagrams CLICK BOARD CLICK BOARD CGND CSW1~4 LIFT KEY RIGHT KEY CTPBUTTON_L CGND CH3 MTH237D91 CGND B - 46 CLICK BOARD CH1 MTH237D91 CGND CGND CH4 MTH237D91 CGND CGND CH2 MTH237D91 CGND CGND 6-53-3150B-245 6-53-3050B-240 6-53-3050B-241 CSW2 TJG-532-V-T/R CSW1 TJG-532-V-T/R CGND CGND 6-53-3150B-245 6-53-3050B-240 6-53-3050B-241 CTPBUTTON_R BAT LED 3 220_04 SG Y RY -SP155HY Y G4-1 CGND CGND CGND CGND 6-52-55002-04B 6-52-55001-040 6-52-55002-042 E5120Q CR358 220_04 CD26 RY -SP155HY YG4-1 6-52-55002-04B 6-52-55001-040 6-52-55002-042 6-21-91A00-106 6-21-91A10-106 6-20-94A70-104 CR361 CD27 Y POWER ON LED 85201-06051 6-21-91A00-106 6-21-91A10-106 6-20-94A70-104 220_04 CLED_PWR CLED_ACIN CLED_BAT_FULL CLED_BAT_CHG CGND CR359 2 85201-06051 CGND 6-20-94A50-104 6-20-94AA0-104 6-20-94A70-104 CGND CJ_TP3 CTP_CLK CTP_DATA CTPBUTTON_L CTPBUTTON_R CR360 220_04 4 CTP_DATA CTP_CLK 85201-04051 Sheet 45 of 50 CLICK BOARD CGND CJ_TP2 B.Schematic Diagrams CGND CJ_TP1 CC3 *0.1u_16V_Y 5V_04 CVDD3 SG CC1 *0.1u_16V_Y5V_04 C5VS CC2 0.1u_16V_Y 5V_04 C5VS CLED_BAT_FULL CLED_BAT_CHG CLED_PWR CLED_ACIN Schematic Diagrams W251HPQ POWER SW BOARD S_3.3VS POWER SW & LED POWER SWITCH LED SR2 S_3.3V LID SWITCH IC SD2 20mil S_3.3VS C 220_04 S_3.3V 20mil *BAV99 RECTIFIER Z 4301 S_3.3V SR1 AC 100K_04 SMGND 88486-0801 OUT SLID _SW # A VCC SC2 GND A SMGND HT-150NB-DT SC1 MH 248-ALF A-ESO 0.1u_16V_Y 5V_04 C 6-52-56001-023 6-52-56001-028 6-52-56000-020 6-52-56001-022 SMGND SAP_ON SU1 SD1 SD3 *H T-150NB-DT SM_BTN# SW EB_WW W# SW EB_EMAIL# SLID_SW# 0.1u_16V_Y 5V_04 20mil C SJ_SW2 A SC6 *100p_50V_NPO_04 SMGND 6-52-56001-023 6-52-56001-028 6-52-56000-020 6-52-56001-022 SMGND SMGND SMGND SMGND 6-02-00248-LC2 6-02-00268-LC1 6-20-94K10-108 FOR W251HNQ/W255HN SU1, SU2 6-53-3150B-245 6-53-3050B-240 6-53-3050B-241 PSW1~2 POWER BUTTON SPW R_SW *TJG-533-S-T/R POWER BUTTON SM_BTN# SPWR _SW2 TJ G-532-V-T/R SM_BTN# 6 1 1 SC7 SC8 SD4 SD5 *0.1u_50V_Y 5V_06 0.1u_50V_Y 5V_06 *V15AVLC0402 *V15AVLC0402 D02A Change layout Ưỡám VARISTOR VARISTOR 6-24-30003-006 SMGND SMGN D FOR W258HPQ/W258HPQ-C SMH1 H6_0B7_0D2_3 SMGND SMH2 H6_0B7_0D2_3 SMGND SMH3 H6_0B7_0D2_3 SMGN D SMH4 H7_0B6_0D3_0 SMGND 6-24-30003-006 SMGND Sheet 46 of 50 W251HPQ POWER SW BOARD SMGN D FOR W251HPQ/W255HP/W251HPQ-C/W251HNQ/W255HN SMH5 H6_0B7_0D2_3 SMGND W251HPQ POWER SW BOARD B - 47 B.Schematic Diagrams 6-53-3150B-245 6-53-3050B-241 6-53-3050B-240 FOR W251HPQ/W255HP/E5125Q Schematic Diagrams W270HU BRIDGE ODD BOARD B.Schematic Diagrams ODD BOARD FOR W270HU M/B Sheet 47 of 50 W270HU BRIDGE ODD BOARD ODDQJ_ODD2 board QJ_ODD1 S1 S2 S3 S4 S5 S6 S7 P1 P2 P3 P4 P5 P6 S1 S2 S3 S4 S5 S6 S7 Q_SATA_TXP1 Q_SATA_TXN Q_SATA_RXN1 Q_SATA_RXP1 QGND QGND Q_ODD_DETECT# Q_5VS Q_5VS Q_SATA_ODD_DA# P1 P2 P3 P4 P5 P6 242001-1 P IN G ND1 ~2 =WG ND 202001-1 QGND P IN G ND1 ~3 =Q G ND QGND 6-21-14010-013 6-21-13010-013(DIP) Q_5VS + QC1 *220u_6.3V_6.3*6.3*4.2 QC2 QC3 0.1u_16V_Y 5V_04 0.1u_16V_Y 5V_04 QGND B - 48 W270HU BRIDGE ODD BOARD QH1 C237D91 QH2 C237D91 QGND QGND QH3 C67D67 QH4 C 67D67 Schematic Diagrams W270HU POWER SW BOARD POWER SW & LED POWER SWITCH LED W_3.3VS W _3.3VS W_3.3V LID SWITCH IC WD1 C W C1 WR2 WR WR4 WR5 220_04 220_04 20mil WMGND 20mil WU1 VCC A A A A WC2 OUT WLID_SW# A 220_04 20mil GND 220_04 20mil AC 100K_04 WC3 MH 248-ALFA-ESO *100p_50V_N PO_04 WMGND 0.1u_16V_Y 5V_04 WD2 WD3 W D4 W D5 HT-150NB-DT WMGND C C HT-150NB-D T C HT-150NB-DT C H T-150NB-DT W MGND WMGND LU1 6-02-00248-LC2 6-02-00268-LC1 W MGND Sheet 48 of 50 W270HU POWER SW BOARD 6-52-56001-023 6-52-56001-028 6-52-56000-020 6-52-56001-022 WSW1 W_3.3V WPWR_SW1 TJG-532-V-T/R WM_BTN# 20mil WC WD6 W MH4 WMH5 H7_0D 2_3 H7_0D2_3 WMH1 C91D 91N WMH C91D91N 0.1u_50V_Y 5V_06 W M_BTN# W WEB_WWW# W WEB_EMAIL# W LID_SW# W AP_ON *V15AVLC 0402 W J_SW W_3.3VS POWER BUTTON V ARISTOR 6-24-30003-006 W MGND WMGND WMGND WMGND W MGND 88486-0801 6-20-94K10-108 6-53-3150B-245 6-53-3050B-241 W270HU POWER SW BOARD B - 49 B.Schematic Diagrams WR1 *BAV99 RECTIF IER W _3.3V 0.1u_16V_Y 5V_04 Schematic Diagrams Power Diagram 2.92A 1.05VS 3.3V PWR SW B'd M_BTN# 3.3VS RTCVCC U34 1.05VS_VTT 3.3VS PU6 P2808B VDD3 ALL_SYS_PWRGD 4a RSMRST# PWR_SW# 1.5VS RSMRST#, DPWROK U17 4b PWR_BTN# IT8518 CPU DRAMPWROK Always enable 12 H_CPUPWRGD UNCOREPWRGOOD 15 PLT_RST# PLTRST# VGFX_CORE 1.2A 1.8VS 12A 1.5VS_CPU 6A 0.85VS 1.5V SO-DIMM RESET# SLP_S4# 0b VDD5 PJ27 VIN SUSC# 5V 0c USBVCC01 USB PORT1 U37 TPS2540 VDD3 SUSB EN 3.3V 1.5V PG 6e VTT_MEM U11 5c 1.05V PJ5 PJ9 PJ7 EN 5b 1.5VS_CPU 5a 1.5V PU5 uP6163 EN DD_ON_EN_VDD Sheet 49 of 50 Power Diagram 1.05VS_VTT 33A SYS_PWROK SLP_S3# VIN VCORE 14 SYS_PWROK 0a VDD3 PJ26 EN_5V 48A 8.5A SM_DRAMPWROK PWOCPWRGD PWROK, APWROK VIN B.Schematic Diagrams 11 PMSYS_PWRGD_BUF PWRBTN# 10 PM_PCH_PWROK PU7 uP6182 U29 Cougar Point USB 3.0 uPD720200 U9 GS7113 EN 5V U22A DDR1.5V_PWRGD 1.05VS 1.05VS_VTT PQ11 VIN VDD5 DD_ON# 3c USBVCC3.0 3b 5V PQ64 U14 RT9715BGS EN PQ66 DD_ON PQ27A USB PORT0 3.3V U22B 1.05VS_VTT_EN 6f 1.8VS 3.3V PJ6 PU4 AX6615 1.8VS_PWRGD EN PG USB PORT3 VDD5 ? PLVDD 6d PJ25 1.05VS PU11 uP6127 1.05VS_PWRGD EN PG PQ27B 3a 3.3V VDD3 PQ57 VIN SUSB# EC 0.85VS VIN PJ20 U22C PU10 uP6122 0.85VS_PWRGD ALL_SYS_PWRGD PG EN 6a 5VS PU3 13b NCP6131S DELAY_PWRGD EN PG VIN PANEL VDD3 U22D 13a VCORE PU12 NCP5199 ? NB_ENAVDD 14 SYS_PWROK PU1,PU2 NCP5199 PQ65 Q6 SB 10 PM_PCH_PWROK 6c 3.3VS 18 VGFX_CORE 16c 1.05VS PEX_VDD PQ63 PQ4 16 ? 5VS_ODD 5VS ? SATA_ODD_PWRGT dGPU_PWR_EN# EC P0 Mode: NVVDD 23A U32 G5243 EN U26 ODD 1.5A PEX_VDD 0.1A 3V3_RUN 4A FBVDDQ 1.5V 16a PQ24 GPU PLT_RST# dGPU_RST# 3.3V U4 17 PERSTB# PEXRST# 6b 1.5VS 1.5V 3V3_RUN PU8 uP6122 EN PG 3.3V PQ35 16b PJ1 NVVDD 16d FBVDDQ PQ7 PS_NVVDD_PGOOD# ? 3G_3.3V VGA Frame Buffer A U7,U8,U30,U31 VGA Frame Buffer c U3,U5,U25,U28 Q30 EC ? 3G_POWER 3G MINI CARD ? 5V_CCD 5V ? CCD_EN U1 G5243 EN U18 CardReader JMC251C CCD B - 50 Power Diagram DVDD(1.2V) 3.3VS 3.3V 5VS 5VS 3.3VS 5VS 3.3VS U19 WLAN MINI CARD Touch Pad SATA HDD CODEC ALC269 Schematic Diagrams Power On SEQ PWR_SW# PWR_SW# DD_ON 302ms 21ms DD_ON 3.3V 1.22ms 3.3V 5V 2.02ms 5V RSMRST# 92ms RSMRST# PWR_BTN# PWR_BTN# 174ms SUSC# 122ms SUSC# 206ms 1.92ms 1.92ms SUSB# SUSB# 36us 5VS 5VS 2.6ms 1.5VS 1.5VS 1.8ms 3.3VS 3.3VS 1.05VS 1.05VS VTT_MEM VTT_MEM 1.8VS 1.8VS 1.05VS_VTT 1.05VS_VTT 320us 0.85VS 0.85VS 1.28ms ALL_SYS_PWRGD ALL_SYS_PWRGD Sheet 50 of 50 Power On SEQ 2.36ms 320us 2.72ms 4.4ms 5.12ms PM_PCH_PWROK PM_PCH_PWROK PMSYS_PWRGD_BUF PMSYS_PWRGD_BUF H_CPUPWRGD H_CPUPWRGD 214ms VCORE VCORE 214ms DELAY_PWRGD DELAY_PWRGD 214ms SYS_PWROK SYS_PWROK 216ms PLT_RST# PLT_RST# 216ms 112ms 184ms dGPU_PWR_EN# dGPU_PWR_EN# 1.74s 3V3_RUN 3V3_RUN 1.2ms NVVDD NVVDD 1.92ms PEX_VDD PEX_VDD 1.92ms FBVDDQ FBVDDQ PERSTB# PERSTB# VGFX_CORE VGFX_CORE 7.6ms 180ms 1.28s Power On SEQ B - 51 B.Schematic Diagrams 1.5V 1.5VS_CPU B.Schematic Diagrams Schematic Diagrams B - 52 BIOS Update Appendix C:Updating the FLASH ROM BIOS To update the FLASH ROM BIOS, you must: • • • • • • • Download the BIOS Go to www.clevo.com.tw and point to E-Services and click E-Channel Use your user ID and password to access the appropriate download area (BIOS), and download the latest BIOS files (the BIOS file will be contained in a batch file that may be run directly once unzipped) for your computer model (see sidebar for important information on BIOS versions) Unzip the downloaded files to a bootable CD/DVD/ or USB Flash drive Insert a bootable CD/DVD/USB flash drive into the CD/DVD drive/USB port of the computer containing the downloaded files Use a tool such as Winzip or Winrar to unzip all the BIOS files and refresh tools to your bootable CD/DVD/USB flash drive (you may need to create a bootable CD/DVD with the files using a 3rd party software) BIOS Version Make sure you download the latest correct version of the BIOS appropriate for the computer model you are working on You should only download BIOS versions that are V1.01.XX or higher as appropriate for your computer model Note that BIOS versions are not backward compatible and therefore you may not downgrade your BIOS to an older version after upgrading to a later version (e.g if you upgrade a BIOS to ver 1.01.05, you MAY NOT then go back and flash the BIOS to ver 1.01.04) Set the computer to boot from the external drive With the bootable CD/DVD/USB flash drive containing the BIOS files in your CD/DVD drive/USB port, restart the computer and press F2 (in most cases) to enter the BIOS Use the arrow keys to highlight the Boot menu Use the “+” and “-” keys to move boot devices up and down the priority order Make sure that the CD/DVD drive/USB flash drive is set first in the boot priority of the BIOS Press F4 to save any changes you have made and exit the BIOS to restart the computer C - C:BIOS Update Download the BIOS update from the web site Unzip the files onto a bootable CD/DVD/USB Flash Drive Reboot your computer from an external CD/DVD/USB Flash Drive Use the flash tools to update the flash BIOS using the commands indicated below Restart the computer booting from the HDD and press F2 at startup enter the BIOS Load setup defaults from the BIOS and save the default settings and exit the BIOS to restart the computer After rebooting the computer you may restart the computer again and make any required changes to the default BIOS settings  BIOS Update Use the flash tools to update the BIOS 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 Choose “N” for any memory management programs You should now be at the DOS prompt e.g: DISK C:\> (C is the designated drive letter for the CD/DVD drive/USB flash drive) Type the following command at the DOS prompt: C:BIOS Update C:\> Flash.bat The utility will then proceed to flash the BIOS You should then be prompted to press any key to restart the system or turn the power off, and then on again but make sure you remove the CD/DVD/USB flash drive from the CD/DVD drive/USB port before the computer restarts Restart the computer (booting from the HDD) With the CD/DVD/USB flash drive removed from the CD/DVD drive/USB port the computer should restart from the HDD Press F2 as the computer restarts to enter the BIOS Use the arrow keys to highlight the Exit menu Select Load Setup Defaults (or press F3) and select “Yes” to confirm the selection Press F4 to save any changes you have made and exit the BIOS to restart the computer Your computer is now running normally with the updated BIOS You may now enter the BIOS and make any changes you require to the default settings C-2 ... Top (W253EFQ/ W253EGQ) Top (W253EFQ/ W253EGQ) Top (W253EFQ/ W253EGQ) A - A.Part Lists Figure A - Top (W255EF/ W255EG) A.Part Lists Figure A - Top (W255EF/ W255EG) A - Top (W255EF/ W255EG) Top (W25AEF/ W25AEG) ... (W253EFQ/ W253EGQ) Bottom (W255EF/ W255EG /W25AEF/ W25AEG) Figure A - Bottom (W255EF/ W255EG /W25AEF/ W25AEG) A - A.Part Lists Bottom (W255EF/ W255EG /W25AEF/ W25AEG) SATA BLU RAY COMBO (W253EFQ/ W253EGQ) A.Part Lists... .2-1 Top (W25AEF/ W25AEG) A-5 Bottom (W253EFQ/ W253EGQ) A-6 Bottom (W255EF/ W255EG /W25AEF/ W25AEG) A-7 SATA BLU RAY COMBO (W253EFQ/ W253EGQ) A-8 SATA BLU RAY COMBO (W255EF/ W255EG)