EUROCOM T890M Service Manual
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EUROCOM T890M, Schematic Diagrams B - 16 New Card Socket B.Schematic Diagrams New Card Socket Z1 504 C461 .1U_10V_X7R_04 De ati l C & E D02 1208 Deatil A NC_CPPE#7 H5 H5_5B 6_5D3 _7 NC_CPP E# H3 H5_0 B2_2D2_0 PC I R ST#12, 14 ,16,1 7, 19,23 R255 * 10K _04 C328 .1U_10 V_X7R_04 C306 .1U_10 V_X7R_04 C325 .1U_10 V_X7R_04 USB _OC4#7 SUSB#23 ,25 3.3V S 3.3V 1.5V S 3.3V R257 10K _04 NC _CLKREQ # C269 . 1U_10V_ X7R_04 1 H1 MTH237D111 2 3 4 5 6 7 8 9 NC_CLKREQ#2 H10 C1 18B237D87 1 H2 MTH237D111 2 3 4 5 6 7 8 9 1 H6 MTH 23 7 D 11 1 2 3 4 5 6 7 8 9 H9 H6_5D 2_ 3 1 H13 MTH237D111 2 3 4 5 6 7 8 9 H11 C256D 146 1 H7 MT
EUROCOM T890M, Disassembly 2 - 2 Overview 2.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 computer: • M3 Philips-head screwdriver • M2.5 Philips-head screwdriver (magnetized) • M2 Philips-head screwdriver • Small flat-head screwdriver • Pair of needle-nose pliers • Anti-static wrist-strap Connections Connections within the computer are one of four types: L
EUROCOM T890M, Part Lists MB with RFID A - 3 A.Part Lists MB with RFID �
EUROCOM T890M, Preface VII 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 computer’s system. Incorrect recharging may make the battery explode. • Do not try to repair a battery pack. Refer any battery pack r
EUROCOM T890M, Preface IV 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. 2. Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of elec- trical shock from lightning. 3. Do not use the telephone to report a gas leak in the
EUROCOM T890M, Schematic Diagrams Poulsbo 6/6 VSS B - 11 B.Schematic Diagrams Poulsbo 6/6 VSS VSS U23G POU L SBO S CH BGA VSS_157 AK 4 4 VS S_ 1 5 8 AK42 VSS_159 AK 4 0 VSS_160 AK 1 4 VSS_161 AJ 4 9 VSS_162 AJ 4 7 VSS_163 AJ 4 1 VSS_164 AJ 3 9 VSS_165 AJ 3 5 VSS_166 AJ 3 3 VSS_167 AJ 3 1 VSS_168 AJ 2 9 VSS_169 AJ 2 7 VSS_170 AJ 2 5 VSS_171 AJ 2 3 VSS_172 AJ 2 1 VSS_173 AJ 1 9 VSS_174 AJ 1 7 VSS_175 AJ 1 5 VSS_176 AJ 1 1 VSS_177 AJ9 VSS_178 AJ7 VSS_179 AJ5 VS S_ 1 8 0 AJ 3 VSS _ 1 8 1 AH 46 VSS _ 182 AH44 VSS_1 8 3 AH42 VSS_184 AH 4 0 VSS_185 AH 1 4 VS S_ 1 8 6 AG4 9 VS S_
EUROCOM T890M, Schematic Diagrams B-1 B.Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the T890M computer’s PCB’s. The following table indicates where to find the ap- propriate schematic diagram. Diagram - Page Diagram - Page Diagram - Page System Block Diagram - Page B - 2 CH7317 SDVO to CRT - Page B - 13 KBC-ITE IT8513E & BIOS - Page B - 24 Clock Generator - Page B - 3 LVDS Conn, LCD Power, CRT - Page B - 14 VDD5, VDD3 - Page B - 25 Silverthorne, Thermal IC 1/2 - Page B - 4 SDIO, Mini Card, B/T, CCDI - Page B - 15 System VS Power - Page B - 26 Silverthorne 2/
Schematic Diagrams VCORE B - 29 B.Schematic Diagrams VCORE Z 2910 VREFVC TTRIP CLSET CS+ TG DR N VCCA D02 1023 SS VC CA VC CA Z2920 11/25 ER RO UT Z2919 Z2915 Z2918 BST BG 8/21 8/22 Z2913 D02 1125 Z290 1 D02 1023 EN_VCORE VR EFVC DR N CS- 8/21 CS1N VC CSEN SE DAC PR15 1 *0_04 1 2 8/21 CS + 11/25 Z2917 6A D02 1023 Z 2906 Z 2908 Z 2905 Z 2904 Z 2907 Z 2909 6A Z2914 Z 2
EUROCOM T890M, Schematic Diagrams Silverthorne 2/2 B - 5 B.Schematic Diagrams Silverthorne 2/2 R 163 *10m il_s hort CPU_VCCSENSE CPU_VSSSENS E VSS/NCTF pins on CPU can be left No Connect as they are corner balls C 197 .1U_10V_X7R_04 CPU_VC CP 6-07-22511-2A0 SILVERTHORNE 1.33GHZ / 1 .6 GH Z SILVERTHORNE 1.33GHZ /1.6GHZ 0829 C 179 .1U_10V_X7R_04 C196 1U _6 .3V_X5R _ 04 C174 2.2U _6.3V _X5R _04 C173 2.2U _6.3V _X5R _04 C183 2.2U_6.3V_X5R_04 C162 1U _6.3V_X5R _04 C18 6 2.2U_6 .3V_X5R_0 4 C188 10U_6.3V_X5R_06 C187 2.2U _6.3V_X5R _04 P J9 *
EUROCOM T890M, Schematic Diagrams B - 6 Poulsbo 1/6 Host B.Schematic Diagrams Poulsbo 1/6 Host H_ADS# 3 H _ IN IT#3 H_ADSTB#0 3 H_ D # [6 3 :0 ]3 CLK_SCH_BCLK# 2 H_REQ#[4:0] 3 H_CPURST# 3 H_A#[31:3] 3 H_ADSTB#1 3 H_DEFER# 3 H_TRDY# 3 H_BNR# 3 H_INTR3 H_DPRSTP# 3,28 H_DBSY# 3 H_SMI#3 H_BPRI# 3 H_LOCK# 3 CPU_B SEL2 2,3 H_NMI3 H _RS #[2:0] 3 H_DPSLP# 3 H_HIT# 3 H_CPUSLP# 3 H_PWRGD 3 H_DPW R# 3 H_S TP CL K#3 H _DR DY # 3 H_HITM# 3 CLK_SCH_BCLK 2 H_PBE#3 H_DSTBN#[3:0] 3 H _DI NV#[3:0] 3 1.05VS 2..4,7,9,25,26 H_BREQ#0 3 P M_ THR M T RIP#3 H_DSTBP#[3:0] 3 H _ CPUS LP# The signal may be routed as either a microstrip or stripline with trace
EUROCOM T890M, Preface V Preface Instructions for Care and Operation The computer is quite rugged, but it can be damaged. To prevent this, follow these suggestions: 1. Don’t drop it, or expose it to shock. If the computer falls, the case and the components could be damaged. • Do not place it on an unstable surface. • Do not place anything heavy on the computer 2. 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
EUROCOM T890M, Preface VI Preface Power Safety The computer has specific power requirements: • 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; do
EUROCOM T890M, Part Lists A - 4 Back Cover A.Part Lists Back Cover �
Introduction External Locator - Rear View 1 - 7 1.Introduction External Locator - Rear View Figure 6 Rear View 1. Built-In PC Camera 2. GPS Active Aerial Socket (for optional Active Aerial) 3. Protective Surround 4. Stylus Pen & Holder 5. Battery Gauge 6. Battery Overheating To prevent your com- puter from overheating make sure nothing blocks the vent/fan
EUROCOM T890M, Schematic Diagrams B - 22 TO SW, Barcode Conn B.Schematic Diagrams TO SW, Barcode Conn Sheet 21 of 31 TO SW, Barcode Conn J_MFB 1 87213-12G0 1 2 3 4 5 6 7 8 9 10 11 12 12 1 J_FPTTP1 6-20-41A00-112 Change 1 pin define 3.3V 3,7, 9,13..15,17.. 19,23,25..27 BA RCODE_DET# 23 D02 1015 USB_TP_PP2 19 USB_TP_PN2 19 TO USB BOARD LOW 20MS D02 1209 BARCOAD READ POWER DOC K_DET R48 *0_04 R53 *0_04 UART_TXD 20 , 2 3 UAR T_ RXD 2 0 , 2 3 UART_RXD UART_TXD D02 1015 2 1 BAR_J1 BA R_3. 3V D02 1015 BA_3.3V R5 100K_04 R4 20K _1%_04 Q9 AO3409 G DS C4 1U_6.3V_X5R_04 C221 .1U_10V_X7R_04 C219 10U_6.3V _X5 R _ 0 6 Z2203 R193 100K_04 BA R_3.3V Z
EUROCOM T890M, Disassembly 2 - 6 Removing the Hard Disk Drive 2.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 (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. Hard Disk Upgrade Process 1. Turn off the computer, remove the battery (page 2 - 5). 2. Remove screws - and then remove the rubber side case
EUROCOM T890M, Introduction 1 - 6 External Locator - Left Side & Bottom View 1.Introduction External Locator - Left Side & Bottom View Figure 4 Left Side View 1. Security Lock Slot 2. Stylus Pen & Holder 3. DC-In Jack 4. 1 * USB 2.0 Port 2 4 1 3 4 3 1 2 Figure 5 Bottom View
EUROCOM T890M, Disassembly Overview 2 - 1 2.Disassembly Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the T890M series computer’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. To make the disassem
EUROCOM T890M, Schematic Diagrams USB2.0, GSensor, GPS, RFID B - 21 B.Schematic Diagrams USB2.0, GSensor, GPS, RFID UART_RXD_RR D03A 04 28 U31 *T XB 0 10 2 B2 1 GN D 2 VCC A 3 A2 4 B1 8 VC CB 7 OE 6 A1 5 D03A 04 28 VCC USB 5V R442 0_04 R443 0_04 UART_RXD_R UART_RXD 3.3VS 3. 3 V S 5V S R1 36 0_0 4 UART_TXD_R Z2102 UAR T_T XD VDD 3 C142 .1U_ 10 V_ X7R _04 SMD _GSEN23 R428 *51K_04 R430 *51K_04 VD D3 R429 * 51K_04 C150 .1 U_ 1 0V _X7R_ 0 4 G Sensor R431 * 51K_04 SMC _GSEN23 0915 SWAP USB_ PP0 _ R USB_ PN0_ R J_GPS1 1 6 Q1 2 2N7002W G DS C6 .1U_10V_X7R_04 C2 22 10U_6.3V_X5R_06 R 9 5 6 0K _0 4 R 10 470K _04 C7 1U_6.3V_X5R_04 + C2 1 4 1 0 0U _6 . 3 V _ B 2 C2 2 3 . 1 U _ 10 V _ X 7 R _ 04 R7 0_ 0
Introduction Mainboard Overview - Bottom (Key Parts) 1 - 9 1.Introduction Mainboard Overview - Bottom (Key Parts) 1 2 Figure 8 Mainboard Bottom Key Parts 1. ExpressCard Connector 2. KBC ITE IT8513E
EUROCOM T890M, Introduction System Specifications 1 - 3 1.Introduction Operating System Windows® Vista Home Basic 32bit (with Service Pack 2) Windows® XP (with Service Pack 3) Environmental Spec Temperature Operating: 5 °C - 35°C Non-Operating: -20°C - 60°C Relative Humidity Operating: 20% - 80% Non-Operating: 10% - 90% Dimensions & Weight 239mm (w) * 190mm (d) * 30mm (h) Around 1.5 kg With Battery Indicators Power/ Suspend/ Battery/ HDD Battery Gauge Optional USB to RS232 Cable Docking Station (Power Charge and USB * 4) Input 12V-24Vdc, Output 19V Car Adapter, 60W Shoulder Strap/Carrying Handle/Hand Holder Charger Bo
Disassembly Removing the Hard Disk Drive 2 - 7 2.Disassembly 4. Carefully lift the bottom case as indicated by the arrow . 5. Slide the hard disk assembly in the direction of the arrow . 6. Lift the hard disk off the computer. 7. Reverse the process to install any new hard disk (pay careful attention to the disk’s orientation in the case). 24 23 25 26 e. 26 25 HDD System Warning
Schematic Diagrams B - 14 LVDS Conn, LCD Power, CRT B.Schematic Diagrams LVDS Conn, LCD Power, CRT LA _ C LK P 6 3 .3V 3 ,7,9 ,14 ,15 ,1 7..1 9,2 1,2 3,2 5..2 7 VDD3 3,6,7,14,20,22..25,29 D03 0304 D03 0304 R9 3 *10K_04 Tw in wi l l 0 82 8 IN VE TE R 29 1 LCDID2LCDID1LCDID0 VIN 24..29 L_BKLTC TL 6,23 11 LCD POWER SOURCE D02 1003 1 1 1 Fo r Tw in wi ll 0828 I NV
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