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Schematic Diagrams

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Appendix B: Schematic Diagrams

This appendix has circuit diagrams of the systems PCB’s:

Diagram - Page

System Block Diagram - Page B - 2

Thermal & Fan Controller - Page B - 17

CPU Prescott - 1 of 2 - Page B - 3

Cardbus PCI1520 - Page B - 18

CPU Prescott - 2 of 2 - Page B - 4

IEEE 1394 - Page B - 19

Clock Generator - Page B - 5

Cardbus Slot & Mini PCI - Page B - 20

MCH Power - Page B - 6

LAN RTL8100CL/8110SL - Page B - 21

MCH Host - Page B - 7

IDE Connector & Firmware Hub - Page B - 22

MCH AGP - Page B - 8

SIO W83627HF - Page B - 23

MCH Memory - Page B - 9

Serial & Parallel Port - Page B - 24

MCH Memory Termination - Page B - 10

CODEC - Page B - 25

DDR RIMM - Page B - 11

Amplifiers & Inverter Connector - Page B - 26

DVO Chrontel CH7107A - Page B - 12

Power 1 - Page B - 27

LCD Connector - Page B - 13

Power 2 - Page B - 28

CRT & USB - Page B - 14

Power 3 - Page B - 29

ICH5 (Power, LPC, Clock, SMbus) - Page B - 15

Power 4 - Page B - 30

ICH5 (PCI, IDE, UHB, USB, LAN) - Page B - 16

Table B - 1

Schematic Diagram

All manuals and user guides at all-guides.com

Содержание L295T

Страница 1: ...All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 2: ...All manuals and user guides at all guides com...

Страница 3: ...Preface I Preface LCD Computer L295T Series Service Manual All manuals and user guides at all guides com...

Страница 4: ...translated transmitted or reduced to any machine readable form without prior consent from the vendor manufacturer or creators of this publica tion except for copies kept by the user for backup purpose...

Страница 5: ...for servicing and or upgrading components of the computer The following information is included Chapter 1 Introduction provides general information about the location of system elements and their spec...

Страница 6: ...ion User s Manual on CD This describes the computer s features and the procedures for operating the computer and its ROM based setup program It also describes the installation and operation of the uti...

Страница 7: ...e CPU 2 8 Removing the I O Bracket 2 10 Removing the Modem 2 11 Removing the Floppy Disk Drive Assembly 2 12 Removing the Mini PCI I F Module 2 13 Removing the Optical Device Assembly 2 14 Part Lists...

Страница 8: ...IDE Connector Firmware Hub B 22 SIO W83627HF B 23 Serial Parallel Port B 24 CODEC B 25 Amplifiers Inverter Connector B 26 Power 1 B 27 Power 2 B 28 Power 3 B 29 Power 4 B 30 All manuals and user guide...

Страница 9: ...ndows 9x Windows NT 4 0 Windows 2000 Windows XP OS 2 Warp UNIX etc have their own manuals as do application software e g word processing and database programs If you have questions about those program...

Страница 10: ...Process Technology 1MB On Die L2 Cache 800MHz Front Side Bus 2 8 3 0 3 2 3 4 GHz Intel Celeron D 325J 330J 335J 340J 345J Processor LGA775 Package 775 pin 90nm 90 Nanometer Process Technology 256K On...

Страница 11: ...ard Reader Module or Video Capture Module One changeable 12 7mm h Optical Device CD DVD Type Drive see Optional on page C 4 for drive options Audio AC 97 2 2 Compliant Sound Blaster Compatible Windows...

Страница 12: ...5 C 35 C Non Operating 20 C 60 C Relative Humidity Operating 20 80 Non Operating 10 90 Physical Characteristics 369mm H 384mm W 188mm D Fan Bearing Two Ball Bearings 8 9Kg Tilt 0 15 deg Swivel 270 de...

Страница 13: ...rnal Locator Front View 1 5 1 Introduction External Locator Front View 1 2 4 2 3 4 3 Figure 1 1 Front View 1 LCD Panel 2 Speakers 3 LED Activity indicators 4 Power Button All manuals and user guides a...

Страница 14: ...ns then the optional module will replace the floppy disk drive module in the slot at point 1 Figure 1 2 Left Right Views 1 Floppy Disk Drive 2 Hard Disk Drive HDD Bay 3 CD Device 4 LCD Brightness Cont...

Страница 15: ...eadphone Out Jack 3 Line In Jack 4 Microphone In Jack 5 RJ 45 LAN Jack 6 RJ 11 Phone Jack 7 Dual USB Ports 8 Unpowered IEEE 1394 Port 9 PS 2 Mouse Keyboard Ports 10 Printer Parallel Port 11 Serial Por...

Страница 16: ...gure 1 4 Mainboard Over view Top Key Parts 1 CPU Socket no CPU Installed 2 Intel Springdale G North Bridge 3 RAM Sockets 4 Mini PCI Socket for WLAN or IEEE1394 5 FLASH BIOS 6 CMOS Battery 7 Cardbus PC...

Страница 17: ...ainboard Overview Bottom Key Parts Figure 1 5 Mainboard Over view Bottom Key Parts 1 Chrontel CH7017A 2 Clock Generator 3 Intel ICH 5 460 mBGA South Bridge 4 SUPER I O Winbond W83627HF 5 AC 97 MDC Mod...

Страница 18: ...k Drive CN5 2 TV Port or Touch Screen Bluetooth use 3 CD DVD Device CN7 4 Fan Power CN9 5 Inverter CN1 6 Modem Module 7 Speaker CN31 8 Modem Cable CN33 9 PC CARD CN13 10 Touch Screen CN16 11 IEEE1394...

Страница 19: ...ard Overview Bottom 1 11 1 Introduction Mainboard Overview Bottom Cable Connectors and Switches Figure 1 7 Mainboard Bottom Cable Connectors Switches 1 CN35 LCD Connector 1 All manuals and user guides...

Страница 20: ...Introduction 1 12 1 Introduction All manuals and user guides at all guides com...

Страница 21: ...in Information contained under the figure will give a synopsis of the sequence of procedures involved in the disassembly procedure A box with a lists the relevant parts you will have after the disasse...

Страница 22: ...en replacing the connection make sure the connector is oriented in the same way The pin1 side is usually not indicat ed Pressure sockets for multi wire connectors To release this connector type grasp...

Страница 23: ...6 Peripherals Turn off and detach any peripherals 7 Beware of static discharge ICs such as the CPU and main support chips are vulnerable to static electricity Before handling any part in the computer...

Страница 24: ...the CPU 1 Remove the LCD back cover page 2 6 2 Remove the CPU page 2 8 To remove the I O Bracket 1 Remove the LCD back cover page 2 6 2 Remove the I O bracket page 2 10 To remove the modem 1 Remove th...

Страница 25: ...to the bay cover 5 Remove screws and separate the hard disk and case 6 Insert the new hard disk and reverse the removal procedure to install the new hard disk Figure 2 1 Hard Disk Removal Sequence a...

Страница 26: ...m the LCD back cover and slide it up towards the top of the computer 3 Carefully remove the LCD back cover from the main unit and set it aside Figure 2 2 LCD Back Cover Removal Sequence a Remove the s...

Страница 27: ...computer back together and do not forget all the screws When you restart the computer the new memory configuration should be registered 8 If the system doesn t properly detect the new memory and you...

Страница 28: ...fan unit Figure 2 4 CPU Removal Sequence a Remove the screws from the CPU heat sink and fan unit b Release the power ca ble and lift the heat sink fan unit out 1 4 5 6 2 5 1 a 4 3 b 6 5 6 Heat Sink Fa...

Страница 29: ...U unit 6 Carefully it may be hot lift the CPU up out of the socket using the CPU removal tool 7 When re inserting the CPU pay careful attention to the pin alignment it will fit only one way don t forc...

Страница 30: ...g nosed pliers or a nutdriver to remove the hex socket connector type screws 3 Carefully ease the I O bracket off the mainboard Figure 2 6 I O Bracket Removal Sequence a Remove the screws from the I O...

Страница 31: ...able at point 3 Disconnect the modem module from the connector socket and lift it and the modem and cable off the mainboard Figure 2 7 Modem Removal Sequence a Remove the screws from the modem unit an...

Страница 32: ...embly 3 Carefully disconnect the floppy disk drive ribbon cable at point 4 Lift the floppy disk drive assembly off the mainboard Figure 2 8 Floppy Disk Drive Assembly Removal Sequence a Remove the scr...

Страница 33: ...F module 3 Disconnect the antenna cable at point on the module then lift Mini PCI I F module off the mainboard Figure 2 9 Mini PCI I F Module Removal Sequence a Release the pins and carefully lift th...

Страница 34: ...k cover page 2 6 2 Remove screws and disconnect cable from the optical device 3 Remove the optical device Figure 2 10 Optical Device Assembly Removal Sequence a Remove the screws and disconnect the ca...

Страница 35: ...a different system so be sure to cross check any relevant documentation Note Some assemblies may have parts in common especially screws However the part lists DO NOT indicate the total number of dupl...

Страница 36: ...e following table indicates where to find the appropriate part list illustration Part L295T Page Base page A 3 Bracket page A 4 Front page A 5 DVD RW page A 6 FDD page A 7 HDD page A 8 Table A 1 PartL...

Страница 37: ...Part Lists L295T Base A 3 A Part Lists L295T Base Figure A 1 L295T Base BL2164 SATA HDD CABLE 480MM L297T All manuals and user guides at all guides com...

Страница 38: ...Part Lists A 4 L295T Bracket A Part Lists L295T Bracket Figure A 2 L295T Bracket All manuals and user guides at all guides com...

Страница 39: ...Part Lists L295T Front A 5 A Part Lists L295T Front Figure A 3 L295T Front All manuals and user guides at all guides com...

Страница 40: ...Part Lists A 6 L295T Toshiba DVD RW A Part Lists L295T Toshiba DVD RW Figure A 4 L295T Toshiba DVD RW All manuals and user guides at all guides com...

Страница 41: ...Part Lists L295T FDD A 7 A Part Lists L295T FDD Figure A 5 L295T FDD All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 42: ...Part Lists A 8 L295T HDD A Part Lists L295T HDD Figure A 6 L295T HDD All manuals and user guides at all guides com...

Страница 43: ...er Page B 6 LAN RTL8100CL 8110SL Page B 21 MCH Host Page B 7 IDE Connector Firmware Hub Page B 22 MCH AGP Page B 8 SIO W83627HF Page B 23 MCH Memory Page B 9 Serial Parallel Port Page B 24 MCH Memory...

Страница 44: ...3627HF 1 275V AC 97 POWER 5V 460 mBGA RTL8110SBL PCI Bus PARALLEL LCD USB 4 MODULE PWM PCI Bus AC 97 Bus CRT Intel POWER CHRONTEL TOUCH PANEL USB 1 USB 2 L297T System Block Diagram MIC Firmware 3 CPUC...

Страница 45: ...V VTT1 2V R678 62 C350 22UF 6 3V HD 32 BPRI C376 10UF 0805 C371 22PF HD 11 HD 35 HD 47 C387 0 1UF HLOCK HA 6 HD 18 HREQ 0 6 V_CORE HD 17 Z0215 R681 62 C363 10UF 0805 HD 12 EDRDY HLOCK 6 HD 55 HD 8 VTT...

Страница 46: ...AJ2 AJ1 AD2 AG2 AF2 AG3 AC2 AK3 AJ3 G29 H30 G30 F26 W3 P1 W2 F25 G25 G27 G26 AK6 G6 L2 AH2 N1 AL2 M2 A13 T1 G2 R1 Y1 V2 AA2 A25 A26 A27 A28 A29 A30 B25 B26 B27 B28 B29 B30 C25 C26 C27 C28 C29 C30 D25...

Страница 47: ...PCICLK6 FS_A FS_B PCICLK_FS2 SDATA 24_48MHz SEL24_48 48MHz_0 FS3 PD 3V66_0 Reset 3V66_1 3V66_2 3V66_3 PCI_STOP IREF CPUCLKT2 CPUCLKC1 CPUCLKC0 CPUCLKC2 SRCCLKT VDDCPU CPUCLKT0 PCICLK_F2 SCLK X1 PCICL...

Страница 48: ...K10 AK12 AK14 AK16 AK18 AK20 AK22 AK24 AK26 AK28 AL1 AL32 AM9 AM11 AM13 AM15 AM17 AM19 AM21 AM23 AM25 AM27 AM29 AM35 AN10 AN12 AN14 AN16 AN18 AN20 AN22 AN24 AN26 AN28 AN30 AN32 AR9 AR11 AR13 AR16 AR20...

Страница 49: ...2 HD53 HD54 HD55 HD56 HD57 HD58 HD59 HD60 HD61 HD62 HD63 HADSTB0 HADSTB1 HDSTBP0 HDSTBP1 HDSTBP2 HDSTBP3 HDSTBN0 HDSTBN1 HDSTBN2 HDSTBN3 PROCHOT BESL0 BSEL1 HD 24 HADSTB 1 2 HDSTBN 1 2 HD 6 HD 18 DBSY...

Страница 50: ...F16 F18 F20 F22 F24 F26 G28 G31 G35 H2 H5 H8 H9 H12 H14 H16 H18 H20 H22 H24 H26 H30 H33 J10 J12 J14 J16 J18 J20 J22 J28 J32 J35 K11 K12 K14 K16 K18 K20 K22 K25 K27 K29 K33 L24 L25 L26 L31 H3 F2 F4 E4...

Страница 51: ...A27 AA30 W30 U27 T25 AA31 V29 U25 R27 P29 R30 K28 L30 R31 R26 P25 L32 K30 H29 F32 G33 N25 M25 J29 G32 AF15 AG13 AG21 AH27 AD29 U30 L27 J30 AG11 AG15 AE21 AJ28 AC31 U31 M29 J31 AG31 AJ31 AD27 AE24 AK27...

Страница 52: ...9 4 7u 16V_1206 SCKE_B0 8 10 SDQS_B6 CA84 0 1u CA13 0 1u SCAS_B 8 10 SDQ_B60 SDQ_A10 SMAA_A1 CA36 0 1u CA44 0 1u SDQ_A0 RN5 8P4R 56 1 2 3 4 5 6 7 8 CA17 0 1u SDQ_A33 SDQ_A61 SBA_B1 8 10 SDQ_B12 SDQS_A...

Страница 53: ...3 SDQS_A7 SDQ_B14 SMAA_B 0 12 TZ1030 SDQ_B46 SDQ_B40 SDQ_B25 SDQS_A1 SDM_B7 SDQ_A20 SDQS_A 0 7 SDQS_B6 SDQ_A56 Z1001 TZ1038 CA53 0 1u_X7R SDM_A 0 7 TZ1002 SDQS_A0 SDQ_B56 SDQ_A18 TZ1021 CN3 CHAN A DDR...

Страница 54: ...0 DACA0 DACB1 DACA1 DACB2 DACA2 DACB3 DACA3 DAC_GND C HSYNC BCO VSYNC TVPLL_GND XI FIN XO TVPLL_VCC TVPLL_VDD GPIO4 GPIO5 RESET P OUT VDDV VREF1 FLD STL1 DE1 DVDD V1 H1 DGND D1 0 D1 1 D1 2 D1 3 D1 4 D...

Страница 55: ...ND1 2 GND U1 PWRSEL CP26 10p CP16 10p L3 11 Z1205 LCDSEL3 22 BRIGHTNESS CONTROL 3V R336 10K_R Q30 2N7002 D G S 12V N N Q32 SI9936DY 3 2 1 4 5 6 7 8 S2 G1 S1 G2 D2 D2 D1 D1 D4 1N4148 A C LCLK 11 U0 U1...

Страница 56: ...D2 D1 D1 BOM CHANGE FOR PE MCN CN16 USB TOUCH PANEL 1 2 3 4 C493 470p D7 SK54 A C R606 4 7K D35 DA204U C A AC Z1324 Q20 2N7002 A B E C Z1325 USB5 15 L54 BEAD FCM1608K121 120ohm 1 2 USB5 15 R570 4 7K 1...

Страница 57: ...3 AD4 AD6 AD8 AD12 AD17 AD21 B13 B17 B19 B21 B23 C3 C8 C16 T2 W1 AA3 AC12 Y4 AB3 AB13 AB1 Y1 R20 P20 T5 R4 R3 U4 T4 U5 R2 E13 F11 F10 E11 B15 R5 W5 W3 T1 U21 T20 U22 AB2 U20 F22 V3 W2 R10 P19 AB6 F19...

Страница 58: ...AD8 TZ1519 AD21 AD23 INTD Z1509 PDD2 HI_4 SDD4 TZ1501 C226 0 01u C BE 0 HI_8 PDD8 PDD 0 15 21 USB0 16 SB3V PDD11 PCIRST 2 17 19 20 PDD1 R471 8 2K PCI Interface IDE Interface AC 97 HUB USB Interface L...

Страница 59: ...351 0 1u VIDEO L 24 PWMOUT2 CA65 0 1u Q8 AO3409_R G D S 3V 12V R345 0 C101 100u 16V_6 3 7 Q9 2N3906 B E C Q10 2N7002 D G S FANIN1 U30 ADT7460 1 2 16 15 3 4 5 6 9 10 13 14 8 11 7 12 SMBCLK GND SMBDATA...

Страница 60: ...T IRDY RI_OUT PME PAR PERR REQ PRST SERR STOP TRDY B_CAD7 CLOCK DATA LATCH B_CAD11 B_CAD12 GND GND GND B_CAD16 GND GND GND GND GND GND VCC VCC VCC VCC VCC VCC VCC B_CAD0 B_CAD1 B_CAD2 B_CAD3 B_CAD4 B_...

Страница 61: ...9 1 H31 MTH276D169BUA 2 3 4 5 6 7 8 9 1 H25 MTH276D110TBA 2 3 4 5 6 7 8 9 BEAD BK1608LL121 120 ohm R598 Z1804 H16 C413B354D158 Z1806 CN36 SMD 1394 CON 1 2 3 4 5 6 7 8 U17 FRC 1394 201 1 2 3 4 8 7 6 5...

Страница 62: ...A0 CAD27 D0 CAD29 D1 RSVD D2 CLKRUN WP GND GND CCD1 CD1 CAD2 D11 CAD4 D12 CAD6 D13 RSVD D14 CAD8 D15 CAD10 CE2 CVS1 VS1 CAD15 IOWR CAD16 A17 RSVD A18 CBLOCK A19 CSTOP A20 CDEVSEL A21 VCC VPP2 CTRDY A2...

Страница 63: ...8 VDD18 VDD18 M66EN SMBDATA SMBCLK VDD18 VDD18 CLKRUN LED3 VDD33 VDD18 GND GND GND GND GND GND GND GND GND GND GND GND GND AVDDL AVDDH CTRL18 LV2 VDD18 GND AVDDH GND HSDAC HSDAC MDI0 MDI1 MDI2 MDI2 GN...

Страница 64: ...R271 10K PDCS3 15 Z2151 PDD3 Z2142 Z2137 PDD2 Z2121 Z2160 RN42 8P4R 0 1 2 3 4 5 6 7 8 RN48 8P4R 0 1 2 3 4 5 6 7 8 Z2149 U14 Firmware HUB 25 32 16 26 28 1 27 13 14 15 17 18 19 20 21 23 12 11 10 9 8 7 6...

Страница 65: ...5 16 17 31 32 33 34 35 36 37 38 47 46 45 44 43 42 41 40 39 55 61 86 102 101 100 99 98 96 95 94 93 117 66 65 63 62 60 59 58 68 67 74 103 104 105 106 107 108 109 110 111 112 113 115 116 118 119 120 121...

Страница 66: ...LPTSTB 22 C181 180p LPAFD C298 220p C178 180p LPD0 LPAFD C192 180p C185 180p RN64 8P4R 2 7K 1 2 3 4 7 6 5 8 R585 BEAD BK1608HS 241 CN20 PRINT PORT 13 25 12 24 11 23 10 22 9 21 8 20 7 19 6 18 5 17 4 16...

Страница 67: ...E MODEM Z2444 C269 0 47u CB4 1u AUDIO R 21 CN8 MDC CON 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 MONO_OUT GND AUXR AUXL CDGND CD_R CD_L GND 3 3V GND 3 3V SDATA_O...

Страница 68: ...LINE_IN L 24 68K R562 L31 0_0805 CB22 1u L47 0_0805 CF14 4 7u 16V_1206 A5V CN19 PS2 KEYBOARD CON 1 2 3 4 5 6 Z2503 SOUND R 0_r 0603 R229 KBCLK 22 Z2537 R274 1K_R 5V Z2540 R221 10K T88 L63 0_0805 VR P...

Страница 69: ...C202 0 01u C34 0 1u C13 10u 6 3V_0805 D18 1N4148 A C R9 1M PU1 SC1470 1 2 3 4 5 6 7 8 9 10 11 12 13 14 EN PSV TON VOUT VCCA FBK PGOOD GND PGND DL VDDP ILIM LX DH BST 12V C2 0 1u 3A C36 0 1u Q19 AP1117...

Страница 70: ...00u 6 3V_8 9 Z2712 VIN VIN AUX4 R708 10K_1 R702 24 9K_1 VID1 3 22 R686 0 0805R C483 10P R710 10K_1 D44 SM340A A C R700 0 R709 10K_1 AUX1 C400 0 01u Q58 AOD436 G D S C425 0 1u AUX3 Q65 AOD438 G D S D45...

Страница 71: ...9 10 14 13 12 11 15 16 R17 10 PJ1 6mm 1 2 D17 1N4148 A C CF1 4 7u 16V_1206 R184 0 5V R3 10K Z2810 C26 0 1u 1 2 Q23 2N7002 D G S C17 0 1u R286 10K C502 0 1u SB5V 12 14 22 26 29 P_GND3 CA147 0 1u R281 4...

Страница 72: ...681_1 D57 SM340A A C R738 15K D56 SCS335T C A VTT1 2V R746 4 7K Z2911 P_GND5 C473 0 1u R740 0 C470 560U 2 5V 8 9 Z2904 Z2913 Z2906 P_GND5 R744 1K_R R743 10K Z2912 Q68 2N7002 D G S Z2907 Q66B AO4914 7...

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