Uniwill 340S2 Service Manual Download Page 55

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Chapter 5 Troubleshooting Guidelines

340S2

Rev : B

5.1 No display (system failure)

Symptom: There is no display on both LCD and Monitor after power on although

the LCD and Monitor are known-good.

No Display

Monitor or LCD module ok?

Replace monitor or LCD

Display Ok?

Setup the display mode

Remove all of I/O device & cables from M/B except LCD or Monitor

Display ok

Replace motherboard

Board level troubleshooting

Check system clock and reset circuit

Yes

Check SIS Chipset for

any cold solder?

Re-solder

Correct the I/O device & cables to the

M/B one at a time to find out which

part is causing the problem

Set up Display type in

BIOS

Yes

Summary of Contents for 340S2

Page 1: ...neral System Description 340S2 1 Rev B UNIWILL COMPUTER CORP No 24 Pei Yuan Road Chung Li Industrial Park Chung Li City Tao Yuan Hsien Taiwan R O C TEL 886 3 461 6000 FAX 886 3 461 6317 URL http www uniwill com tw ...

Page 2: ...56K modem for Data Fax Voice modem or Internet optional f Support high performance hardware 2D 3D graphic engine g Support high capacity memory up to 512 MB h Support one most flexibility of 32 bit Cardbus slot and PCMCIA card 1 1 2 Hardware specification A CPU Celeron 128K 500MHz to 700MHz System bus frequency at 66 MHz Dynamic execution microarchitecture MMX technology capability Optimized for 3...

Page 3: ...rt Integrated HSP modem Forwards PCI I O and memory cycles into LPC bus C PCMCIA Controller O2 Micro OZ6812 ACPI PCI bus power management interface specification Rev 1 0 compliant Compliant with PCI specification V2 1S 1995 PC Card Standard and JEIDA 4 1 Supports PCMCIA ATA specification Supports 5V 3 3V PC Cards and 3 3V Cardbus Cards Supports single PC card or Cardbus slot with hot insertion and...

Page 4: ...f the computer include the system board XGA color LCD display FDD module CD ROM module 24X rotational speed max DVD module keyboard built in glide pad with 2 click buttons Lithium ION battery pack and AC adapter The system board incorporates CPU module system memory system and VGA BIOS audio controller CPU PCI bus controller PCI ISA bus controller The System Block Diagram shows how these component...

Page 5: ...urce VCC_CMOS CPU CMOS pull up voltage For Celeron the voltage is 2 5V For Pentium III it is 1 5V 2 5V 2 5V power source 1 8V 1 8V power source for SIS630 KBVCC KBC 3 3V power source KBVCCA KBC AD DA 3 3V reference voltage VCCRTC Real time clock power source 5V_AUX LAN 5V always power source 3V_AUX LAN 3 3V always power source 3V_RX_TR LAN 3 3V analog power source 3V_TX_TR LAN 3 3V analog power so...

Page 6: ...Chapter 1 General System Description 340S2 6 Rev B ...

Page 7: ...1 3V 2 05V 1 8V 2 5V for the CPU 1 2 6 AC DC Adapter Input Voltage 100 240 10 AC Input Frequency 50 60 Hz 3Hz Input AC current 1 5 90 VAC Efficiency Better than 80 Inrush Current 50A 115VAC 100A 230VAC Holdup Time 5mS minimum Output Voltage Current 20V 3 0A Output Load Regulation 5 1 2 7 Inverter Input Voltage 9 22 VDC Output Voltage 620 Vrms 50 60KHz Start Up Voltage 1400 Vrms min Brightness Adju...

Page 8: ...s 12V 4500 mAh Battery power 54 watts total Battery protection over charge protect over discharge protect over temperature protect short protect over current protect 1 2 9 Memory Module 144 pins SO DIMM 3 3V SDRAM memory type 1Mx16 4Mx16 16Mx16 2Mx8 8Mx8 16Mx8 memory size 16M 32M 64M 128M memory clock 66 MHz 100MHz Memory Configuration Table DIMM 1 DIMM 2 Total 16M 0 16M 32M 0 32M 64M 0 64M 128M 0...

Page 9: ... Holder for PCI IRQ Steering 10 HAMR 5600 Voice Modem 10 O2Micro OZ6812 CardBus Controller 10 SIS 7018 Audio Driver 11 ACPI IRQ Holder for PCI IRQ Steering 11 SIS 7001 PCI to USB Open Host Controller 11 SIS 7001 PCI to USB Open Host Controller 11 SCI IRQ used by ACPI bus 12 Microsoft PS 2 Port Mouse 13 Numeric data processor 14 SIS 5513 Dual PCI IDE Controller 14 Primary IDE Controller dual FIFO 1...

Page 10: ...time every 16 second When Battery Very Low Warning occurs the Power LED will flash at a rate of 1 time every 4 seconds if there is no Suspend to Disk partition in the hard disk 4 Charge flash off Will be flashing when the battery pack is being charged 1 2 13 Hot Key Key combination Function Fn F1 Standby Mode Fn F3 Mute battery warning beep Fn F4 Toggle LCD CRT display Fn F5 Volume increase Fn F6 ...

Page 11: ... Connectors Switches 340S2 11 Rev B UNIWILL COMPUTER CORP No 24 Pei Yuan Road Chung Li Industrial Park Chung Li City Tao Yuan Hsien Taiwan R O C TEL 886 3 461 6000 FAX 886 3 461 6317 URL http www uniwill com tw ...

Page 12: ...9 VSS 2 VSS 22 VSS 36 VSS 56 VSS 76 VSS 92 VSS 108 VSS 120 VSS 140 S1 RAS1 71 A12 BA1 110 A13 A11 112 SRAS RFU 65 SCAS RFU 66 CKE0 RFU 62 CLK0 61 CLK1 RFU 74 RFU A12 70 RFU A13 72 CKE1 RFU 68 NC CB0 57 NC CB1 59 NC CB2 77 NC CB3 79 NC CB4 58 NC CB5 60 NC CB6 78 NC CB7 80 CN6 DIMM144 REV DQ0 3 DQ1 5 DQ2 7 DQ3 9 DQ4 13 DQ5 15 DQ6 17 DQ7 19 DQ8 37 DQ9 39 DQ10 41 DQ11 43 DQ12 47 DQ13 49 DQ14 51 DQ15 5...

Page 13: ...D0 LLD10 LLD4 UUD0 UUD7 LLD3 UUD3 UUD11 LLD7 LLD9 UUD9 LLD1 LLD5 UUD5 UUD1 LLD11 Y2 Y2 CLK CLK R13 10K R297 10K R302 10K C27 C C344 C CN4 LCD CONN 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 C363 C VIN 5V INT_MIC 12 BLTADJ 18 DISPON C23 1u 25V_0805 1 2 C328 C CN3 INVERTER 1 2 3 4 5 6 7 8 J3 OPEN_S 1 2 ...

Page 14: ... 5V 2 GREEN 10 GND 3 BLUE 11 NC 4 NC 12 DDCCLK 5 GND 13 HSYNC 6 DACGND 14 VSYNC 7 DACGND 15 DDCDATA 8 DACGND 2 1 6 USB Connector CN21 Pin Description 1 5V 2 USBP0 3 USBP0 4 GND 2 1 7 RJ45 CN15 2 1 8 RJ11 CN16 Pin Description 1 HRTXRXN 2 HRTXRXP CN15 RJ45 TD 1 TD 2 RO 3 NC1 4 NC2 5 RO 6 NC3 7 NC4 8 GND 9 GND 10 ...

Page 15: ...IN1 5 SDATIN0 5 12 MDCLK 12 MODEMRI 17 R204 0 R203 R CN26 MDC CON MONO_OUT 1 GND 3 AUXR 5 AUXL 7 CDGND 9 CD_R 11 CD_L 13 GND 15 3 3V 17 GND 19 3 3V 21 SDATA_O 23 RESET 25 GND 27 MCLK 29 BCLK 30 GND 28 SDATA_INA 26 SDATA_INB 24 SYNC 22 GND 20 VCC 18 P_DN 16 R_D 14 R_D 12 VCC 10 GND 8 R_D 6 MONO_PHONE 4 AUDIO_PD 2 R196 R R197 0 R198 R R195 0 R194 0 VREFOUT MICGND AMPVDD INT_MIC 8 CN13 MIC JACK 1 2 3...

Page 16: ...1 D7 CAD7 6 D13 CAD6 39 D6 CAD5 5 D12 CAD4 38 D5 CAD3 4 D11 CAD2 37 D4 CAD1 3 D3 CAD0 2 GND 68 GND 35 GND 34 GND 1 VCC 51 VCC 17 VPP 52 VPP 18 CCLK A16 19 CFRAME A23 54 CIRDY A15 20 CTRDY A22 53 CDEVSEL A21 50 CSTOP A20 49 CPAR A13 13 CPERR A14 14 CSERR WAIT 59 CREQ INPACK 60 CGNT WE 15 CINT IRQ 16 CBLOCK A19 48 CCLKRUN IO16 33 CRESET RESET 58 RFU R2_D2 32 RFU R2_D14 40 RFU R2_A18 47 CVS1 43 CVS2 ...

Page 17: ...13 SIORDY SIDED2 SIDED14 SIDECS3 SIDED12 SIDEA0 SIDED5 SIDED11 SIDECS1 SIDED1 S66CBLIDB R57 0 R498 10K CN24 CDROM CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 47 49 46 48 50 V_FDD WDATA 15 TRK0 15 WGATE 15 WRPRT 15 3MODE 5 15 RDATA 15 STEP 15 HDSEL 15 MTR0 15 INDEX 15 DSKCHG 15 DRV0 15 17 FDIR 15 WRPRT TRK0 RDATA...

Page 18: ...Chapter 2 Connectors Switches 340S2 18 Rev B ...

Page 19: ...PE LPTBUSY LPTACK LPTD7 LPTD6 LPTD5 LPTD4 LPTD0 LPTD3 LPTSLCTIN LPTD2 LPTINIT LPTD1 LPTERR LPTAFD LPTSTB CN18 PARALLEL CONN 13 25 12 24 11 23 10 22 9 21 8 20 7 19 6 18 5 17 4 16 3 15 2 14 1 26 27 R253 R COMDCD1 COMRTS1 COMDSR1 COMTXD1 COMDTR1 COMRXD1 COMCTS1 COMRI1 CN19 SERIAL CONN 5 9 4 8 3 7 2 6 1 10 11 3V LID R12 100K C22 C CN1 LID CONN 1 2 ...

Page 20: ...SCANOUT5 SCANOUT8 SCANOUT12 SCANOUT15 SCANIN0 SCANOUT2 SCANIN6 SCANIN3 SCANOUT3 SCANOUT6 SCANOUT13 SCANOUT10 SCANIN1 CN9 INT KB CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 KBVCC ROMD1 ROMD0 ROMD4 ROMD5 ROMD6 ROMD2 ROMD7 ROMD3 ROMA3 ROMA7 ROMA2 ROMA4 ROMA6 ROMA5 ROMA0 ROMA1 TEST ROMRD ROMWR CN8 TEST CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 5V CN2 FAN2 CONN ...

Page 21: ... NC 8 NC 2 1 29 Touch Pad Connector CN11 5V KBDATA PS2DATA PS2CLK KBCLK L1 BLM11P600S C304 270p L52 BLM11P600S C14 270p L24 BLM11P600S S2 POLY SW_1812 C305 270p L50 BLM11P600S C316 270p CN14 PS2 CONN 1 2 3 4 5 6 5V_AUX PWRSW 22 SW2 POWER SW 1 2 3 4 R18 10K BATT 21 23 ADAP_IN 18 23 ADAP CN22 AC CONN 1 2 3 C306 10u 25V_1210 C331 10u 25V_1210 L53 BLM21300S_0805 D25 SR34 A C D26 SR54 ANODE CATHODE L74...

Page 22: ...ing in the BIOS Setup menu 2 If the system is in S4 or S5 state pressing the power button will awaken the system into S0 state 3 If the power button is pressed for more than four seconds a power button over ride event is generated and the system will be put into S5 Soft off state 2 2 2 Cover Lid Switch When LCD cover is closed this Lid switch is triggered and an SMI SCI is generated to put the sys...

Page 23: ... SW7 For Celeron and Pentium III 1 2 3 4 CPU SDRAM ON OFF OFF OFF 66M 66M OFF OFF OFF OFF 66M 100M OFF OFF OFF ON 100M 100M Note SW7 5 6 7 8 Always OFF Celeron Processor System Bus Frequency MHz L2 Cache Size Kbytes 500 66 128 533 66 128 566 66 128 600 66 128 Pentium III Processor System Bus Frequency MHz L2 Cache Size Kbytes 500 100 256 550E 100 256 600E 100 256 650 100 256 700 100 256 750 100 25...

Page 24: ...stem Disassembly 340S2 24 Rev B 2 3 Major Components and Connectors Location 2 3 1 Bottom Side IR1 U42 CN21 CN27 CN17 CN14 U35 U10 CN13 CN12 CN20 U37 U43 CN30 CN25 U33 U13 U36 CN19 CN18 CN24 CN26 CN29 U47 U45 SW 7 ...

Page 25: ...Chapter 4 System Disassembly 340S2 25 Rev B 2 3 2 Top Side CN15 CN28 U26 SW2 CN5 U15 U25 CN11 CN4 CN3 U44 CN10 U21 U19 U20 CN7 CN6 SW1 CN1 U1 U2 U7 U6 U8 U3 U12 U17 CN9 U28 U29 U32 U31 U4 U9 ...

Page 26: ...em Disassembly 340S2 26 Rev B UNIWILL COMPUTER CORP No 24 Pei Yuan Road Chung Li Industrial Park Chung Li City Tao Yuan Hsien Taiwan R O C TEL 886 3 461 6000 FAX 886 3 461 6317 URL http www uniwill com tw U18 U11 U14 ...

Page 27: ...PLCC 32 U18 KB CONTROLLER NS PC87570 U19 PWM CONTROL TI TL594 SOP16 U20 STEP DOWN DC DC CONVERTER TOYOTA SB3060P SSOP24 U21 LOW DROPOUT REGULATOR ALPHA AS2951 U24 ZENER SHUNT REGULATOR ZETEX ZR431 U25 AC 97 AUDIO CODEC AVANCE AVANCE_ALC100 U26 AUDIO AMPLIFIER NS LM4835 U28 RAM SWITCH PHILIPS 74HCT4066 U29 PCMCIA POWER CONTROLLER MICREL MIC2562A U31 PCMCIA CONTROLLER O2Micro OZ6812 U32 OP AMP NS LM...

Page 28: ...5 AF4 RESERVED VTT AK16 RESERVED AERR AK24 RESERVED AK30 RESERVED AP0 AL11 RESERVED VTT AL13 RESERVED VTT AL21 RESERVED VTT AN11 RESERVED AP1 AN13 RESERVED VTT AN15 RESERVED VTT AN21 RESERVED RP AN23 RESERVED BINIT B36 RESERVED DEP5 C29 RESERVED DEP1 C31 RESERVED DEP0 C33 RESERVED VTT E23 RESERVED DEP6 E29 RESERVED DEP4 E31 RESERVED F10 RESERVED VTT G35 RESERVED G37 RESERVED L33 RESERVED N33 RESER...

Page 29: ...B2 VCC_CORE AB34 VCC_CORE AD32 VCC_CORE AE5 VCC_CORE AF2 VCC_CORE AF34 VCC_CORE AH24 VCC_CORE AH32 VCC_CORE AH36 VCC_CORE AJ13 VCC_CORE AJ17 VCC_CORE AJ21 VCC_CORE AJ25 VCC_CORE AJ29 VCC_CORE AJ5 VCC_CORE AJ9 VCC_CORE AK2 VCC_CORE AK34 VCC_CORE AM12 VCC_CORE AM16 VCC_CORE AM20 VCC_CORE AM24 VCC_CORE AM28 VCC_CORE AM32 VCC_CORE AM4 VCC_CORE AM8 VCC_CORE B10 VCC_CORE B14 VCC_CORE B18 VCC_CORE B22 VC...

Page 30: ...G25 HD 9 G28 HD 8 H25 HD 7 G27 HD 6 G29 HD 5 H26 HD 4 K24 HD 3 L25 HD 2 H27 HD 1 H29 HD 0 H28 MD63 W28 MD62 V24 MD61 Y29 MD60 Y27 MD59 Y25 MD58 W25 MD57 AA27 MD56 Y24 MD55 AB28 MD54 AA25 MD53 AB25 MD52 AC28 MD51 AC26 MD50 AD28 MD49 AD26 MD48 AB24 MD47 AH22 MD46 AD20 MD45 AG21 MD44 AJ21 MD43 AF20 MD42 AE19 MD41 AJ20 MD40 AD18 MD39 AH19 MD38 AE18 MD37 AG18 MD36 AJ18 MD35 AG17 MD34 AE17 MD33 AF16 MD3...

Page 31: ...0 IDB10 AD14 IDB11 AF11 IDB12 AE14 IDB13 AJ11 IDB14 AD15 IDA15 AJ7 IDSAB 2 AE16 IDSAB 1 AJ13 IDSAB 0 AF14 IDECSB 1 AH14 IDECSB 0 AG14 CBLIDA AE12 CBLIDB AD16 AD3 E10 AD2 A9 AD1 B9 AD0 C9 PCICLK AJ14 SERR L5 IDEAVDD AH15 INTA K5 INTB J5 INTC J4 INTD J3 PCI Interface SiS 630 IDE Interface U15C SIS 630 RXAVSS M12 TXAVSS M13 OSC25AVSS M14 VSS M15 VSS M16 VSS M17 VSS M18 VSS N12 VSS N13 VSS N14 VSS N15...

Page 32: ...AC1 VMD16 AC2 VMD15 Y 6 VMD14 AC3 VMD13 AC4 VMD12 AC5 VMD11 AD1 VMD10 AD2 VMD9 AD3 VMD8 AD4 VMD7 AA5 VMD6 AD5 VMD5 AE1 VMD4 AE2 VMD3 AE3 VMD2 AE4 VMD1 AF1 VMD0 AF2 SSYNC AB6 LAD1 K1 LAD2 L4 LAD3 K2 LDRQ M5 LFRAME L3 SIRQ L2 UV0 G3 UV1 H6 UV1 G4 UV2 G5 UV2 F3 LAD0 M6 UV3 E2 UV3 F1 UV4 F4 UV4 F5 CLK48M J1 PSON D1 ACPILED D2 EXTSMI F10 PWRBTN E3 RING E4 PME E5 THERM C8 KBDAT GP10 D3 KBCLK GP11 D4 PMD...

Page 33: ... GND 5 GND 11 GND 17 GND 24 GND 46 PLLVCC 29 LVDSVCC 37 LVDSGND 42 PLLGND 30 LVDSGND 31 LVDSGND 36 Y0 41 Y0 40 Y1 39 Y1 38 Y2 34 Y2 35 SHUTN 27 NC 14 NC 43 CLKOUT 32 CLKOUT 33 PLLGND 28 U12 SCLK 40 SDIN 41 SCS 43 SDO 42 ENALCDIN 101 77 VDDIO 1 VDDIO 17 VDD 36 VDDIO 37 VDDIO 55 VDDIO 72 VDD 73 VDDIO 91 VDD 144 VDDIO 108 VDDIO 125 NC 50 NC 51 NC 52 NC 53 NC 56 NC 57 NC 58 NC 59 NC 60 NC 61 NC 62 NC ...

Page 34: ...2 A11 19 VCC 38 A5 28 A6 29 A9 32 VCC 13 A8 31 D5 9 D4 8 VCC 7 D2 5 D1 3 D0 2 D7 12 VCC 1 A10 20 D6 11 A7 30 D3 6 VCC 44 U9 D0 2 D1 4 D2 5 D3 7 D4 8 D5 10 D6 11 A0 23 A1 24 A2 25 A3 26 A4 29 A5 30 A6 31 A7 32 A8 33 VDD1 1 VDD2 3 VDD3 9 VDD4 14 VDD5 27 VDD6 43 VDD7 49 U34 SSM2165_SO8 IN 4 OUT 7 GND 1 VCAIN 2 BUFOUT 3 AVG 5 COMP 6 V 8 ...

Page 35: ... HXAN CAP5 43 HXAP CAP6 44 TXAN CAP7 45 TXAP CAP8 46 RXAN CAP9 47 RXAP CAP10 48 U31 PCI_VCC 18 PCI_VCC 30 PCI_VCC 44 PCI_VCC 50 CORE_VCC 14 CORE_VCC 66 CORE_VCC 86 CORE_VCC 102 CORE_VCC 122 CORE_VCC 138 AUX_VCC 63 VCCD0 VCC5 SDAT 73 VCCD1 VCC3 SCLK 74 VPPD0 VPP_PGM SLAT 71 VPPD1 VPP_VCC 72 SKT_VCC 90 SKT_VCC 126 CAD31 144 CAD30 142 CAD29 141 CAD28 140 139 AD31 3 AD30 4 AD29 5 AD28 7 8 U29 V5_EN 1 ...

Page 36: ...D3 8 D4 13 D5 14 D6 17 D7 18 OC 1 G 11 Q0 2 Q1 5 Q2 6 Q3 9 Q4 12 Q5 15 Q6 16 Q7 19 GND 10 VCC 20 U11 LAD0 15 LAD1 16 LAD2 17 LAD3 18 LCLK 8 LRESET 9 12 VDD 14 VDD 39 VDD 63 VDD 88 PD0 INDEX 52 PD1 TRK0 50 PD2 WP 48 PD3 RDATA 46 PD4 DSKCHG 45 PD5 MSEN0 44 PD6 DRATE0 43 42 IR1 VCC 1 RXGND 2 PSD 3 RXVCC 4 TXVCC 5 RXD_B 6 GND 12 ...

Page 37: ...R3IN 27 R4IN 23 R5IN 18 EN 24 GND 10 U18 KBSN0 36 KBSN1 35 KBSN2 34 KBSN3 33 KBSN4 32 KBSN5 31 KBSN6 30 KBSN7 29 KBSOUT0 56 KBSOUT1 55 VCC 23 VCC 67 VCC 108 VCC 161 AVCC 91 AVREF 80 HA0 166 HA1 167 HA2 168 HA3 169 HA4 170 HA5 171 HA6 172 HA7 173 HA8 174 HA9 3 HA10 4 HA11 5 HA12 6 HA13 7 HA14 8 HA15 9 HA16 PA3 10 HA17 PA4 11 HA18 PE0 12 HD0 15 HD1 16 HD2 17 HD3 18 HD4 19 HD5 20 HD6 21 HD7 22 A0 114...

Page 38: ...Chapter 4 System Disassembly 340S2 38 Rev B SB3052P TL594 29LV020 ...

Page 39: ...SS5 14 RS5 15 VU5 16 LCNX5 17 BOOST5 18 VL5 19 PGND 20 OUT5 21 V5 22 VIN 23 VL3 24 BOOST3 25 LCNX3 26 VU3 27 OUT3 28 U42 78L12 SO8 Vout 1 GND 2 GND 3 GND 6 GND 7 Vin 8 N C 5 N C 4 U17 29LV020 PLCC 32 A0 12 A1 11 A2 10 A3 9 A4 8 A5 7 A6 6 A7 5 A8 27 A9 26 A10 23 A11 25 A12 4 A13 28 A14 29 A15 3 A16 2 CE 22 OE 24 A18 1 WE 31 O0 13 O1 14 O2 15 O3 17 O4 18 O5 19 O6 20 O7 21 VCC 32 VSS 16 A17 30 U16 L5...

Page 40: ...1021 NC 1 VCC 2 DXP 3 DXN 4 NC 5 ADD1 6 GND 7 GND 8 NC 9 ADD0 10 ALERT 11 SMBDATA 12 NC 13 SMBCLK 14 STBY 15 NC 16 U13 93C46 CMOS_SERIALE2 EEPROM_CS 1 CLK_625K 2 EEPROM_DI 3 EEPROM_DO 4 GND 5 NC 6 NC 7 VCC 8 U36 74LVC244 OE1 1 I 0 2 I 1 4 I 2 6 I 3 8 I 4 17 I 5 15 I 6 13 I 7 11 OE2 19 VCC 20 O 0 18 O 1 16 O 2 14 O 3 12 GND 10 O 4 3 O 5 5 O 6 7 O 7 9 U28 74HCT4066 1Y 1 2Y 4 3Y 8 4Y 11 4Z 10 3Z 9 2Z...

Page 41: ...VC08 74LVC14 AME8800DEFT U7A 74LVC08 1 2 3 7 14 U2 9424 3 2 1 4 7 8 6 5 U22 MAX708 3 3V SO 8 MR 1 VCC 2 GND 3 PF1 4 PF0 5 NC 6 RST 7 RST 8 U7B 74LVC08 4 5 6 7 14 U7C 74LVC08 9 10 8 7 14 U7D 74LVC08 12 13 11 7 14 U6D 74LVC14 9 8 14 7 U45 AME8800DEFT GND 1 IN 3 OUT 2 ...

Page 42: ...C TEL 886 3 461 6000 FAX 886 3 461 8000 URL http uniwill com tw System Disassembly 1 Remove LEFT HINGE and RIGHT HINGE COVERS 2 To remove K B unlock the latches of the K B 3 Remove SCREW 1 of HDD COVER 2 and CPU DOOR 3 4 Disassemble BATTERY by unlocking the BATTERY KNOB 4 Latches Left Hinge Cover Right Hinge Cover KB 3 4 2 1 2 4 Battery ...

Page 43: ...apter 4 System Disassembly 340S2 43 Rev B 5 Unfasten SCREWS 5 of HDD and remove HDD HDD 6 Unfasten the SCREWS 6 and remove the CPU THERMAL MODULE 7 7 Unscrew the SCREWS 5 8 of the bottom cabinet 5 1 6 7 8 ...

Page 44: ...REWS and disassemble TOP Cabinet Assembly 9 SCREWS 9 Unscrew the HEX 6 10 from the I O bracket 10 Unscrew SCREW 11 of the LCD ground cable 11 Disconnect LCD CABLE and INVERTER CABLE 12 Unfasten SCREWS 4 12 of the HINGES and disassemble LCD MODULE 10 9 11 12 ...

Page 45: ...he RAM Module from the RAM socket 13 14 Disconnect the FDD FPC from the M B 15 Disassemble the CDROM after removing the SCREW 14 16 Unscrew SCREWS 4 16 and SCREW 1 17 of the case 17 Disassemble COVER HINGE FRAME 15 LCD Cable Inverter Cable 14 13 FDDFPC 16 17 15 ...

Page 46: ... 18 Disassemble the M B assembly from the bottom cabinet 19 Disconnect HDD CABLE 18 20 Disconnect MODEM CABLE 21 Unscrew SCREW 19 of MODEM BOARD 20 22 Disassemble MODEM BOARD and MODEM CABLE 21 23 Unscrew HEX 2 22 18 M B Modem Cable 19 20 21 22 ...

Page 47: ...Rev B 24 Disconnect T P FPC 23 from the M B 25 Unfasten the SCREW 24 and disassemble M B TOP HOUSING Disassembly 1 Unscrew SCREW 1 and disassemble SPEAKER SPRING 2 2 Disassemble SPEAKER 3 3 Disassemble FPC 4 from the TOUCH PAD 5 23 24 3 2 1 ...

Page 48: ...Chapter 4 System Disassembly 340S2 48 Rev B 4 5 ...

Page 49: ...ev B 4 Unscrew and disassemble SWITCH CABLE 6 5 Disassemble K B SPRING 7 6 Disassemble LATCH and SPRING 8 from the TOP HOUSING 9 LCD PANEL DISASSEMBLY 14 CHIMEI 1 Unfasten SCREWS 4 1 2 of the FRONT CABINET 3 2 Disassemble FRONT CABINET 6 8 7 7 9 2 3 ...

Page 50: ...Chapter 5 Troubleshooting Guidelines 340S2 50 Rev B 3 Unscrew SCREWS 4 4 from the BACK CABINET 4 Remove SHIELDING 5 from the back side of the LCD 5 Disconnect LCD CABLE 6 from the LCD 7 1 4 5 7 6 ...

Page 51: ...assemble BRACKET_R 9 7 Unscrew SCREW 2 10 and disassemble BRACKET_L 11 8 Unfasten SCREWS 12 from the HINGE 9 Disassemble HINGE_L 13 and HINGE_R 14 10 Disassemble HINGE BRACKET_L 15 and HINGE BRACKET_R 16 11 Disconnect INVERTER CABLE 17 from the INVERTER 18 9 8 10 11 12 16 15 13 14 ...

Page 52: ...S2 52 Rev B 12 Unfasten SCREWS 2 19 of the INVERTER 13 Remove INVERTER MYLAR 20 14 Disassemble MIC INVERTER CABLE 21 15 Disassemble KNOB 22 16 Disassemble HOOK_L 23 and HOOK_R 24 cand SPRING from the BACK CABINET 25 18 17 19 20 21 25 23 22 24 ...

Page 53: ...oubleshooting Guidelines 340S2 53 Rev B UNIWILL COMPUTER CORP No 24 Pei Yuan Road Chung Li Industrial Park Chung Li City Tao Yuan Hsien Taiwan R O C TEL 886 3 461 6000 FAX 886 3 461 6317 URL http www uniwill com tw ...

Page 54: ...rrect 5 5 Memory test error 5 6 Keyboard test error 5 7 Touch pad test error 5 8 Diskette drive test error 5 9 Hard disk drive test error 5 10 CMOS test error 5 11 SIO port test error 5 12 PIO port test error 5 13 Audio failure 5 14 No power symptom 5 15 CDROM drive test error 5 16 Stopping in LCD screen while booting 5 17 PCMCIA Card Bus failure 5 18 IR Port cannot transfer data 5 19 Modem Failur...

Page 55: ...ok Replace monitor or LCD Display Ok Setup the display mode Remove all of I O device cables from M B except LCD or Monitor Display ok Replace motherboard Board level troubleshooting Check system clock and reset circuit No Yes Yes No No Yes Check SIS Chipset for any cold solder Re solder No Correct the I O device cables to the M B one at a time to find out which part is causing the problem Set up D...

Page 56: ...module Replace faulty LCD or monitor Display OK Remove all of I O devices and cables from M B except LCD or Monitor Connect the I O device cables to the M B one per time to find out which part is causing the problem Display OK Replace Motherboard Board level troubleshooting Check SIS 630 controller for cold solder Re solder Replace the parts one at a time and test after each replacement VGA contro...

Page 57: ...nitor LCD No Display Try another known good LCD module Display OK No Yes Replace each parts of LCD module cables and test Replace motherboard Board level troubleshooting Check LCD module and SIS630 controller replace the parts one at a time and test after each replacement Correct it Check LCD module for cold solder Re soldering LCD Type in BIOS Setup OK No No Yes Yes ...

Page 58: ... The CRT monitor shows nothing or abnormal color but it is ok for LCD Yes No Monitor No Display Try another known good monitor Replace faulty monitor Correct it Display Ok Setup Ok Replace motherboard Board level Troubleshooting Yes No Yes No Yes Check VGA port signal using oscilloscope Replace SIS 630 Chipset End ...

Page 59: ...ev B 5 5 Memory test error Memory test error Try another known good DRAM module Test OK Replace the faulty DRAM module Replace motherboard No Yes With External DRAM Module Installed Correct it Install External DRAM module and socket OK Yes No Yes No ...

Page 60: ...sn t work Keyboard test error Correct it Is K B cable connected to M B properly Try another good keyboard KB Test Ok Replace the faulty keyboard Replace motherboard Board level troubleshooting Re soldering One of the following parts or signals on the other board may be defective use an oscilloscope to check 1 K B Controller PC87570 Check for cold solder No Yes No Yes No Yes ...

Page 61: ...Touch pad cable connected properly Try another known good touch pad module and cable Test Ok Replace the faulty parts Replace motherboard Board level troubleshooting Check KB controller PC87570 for cold solder Re solder No Yes No Yes No Yes Check one of the following parts or signals on the motherboard maybe defective use an oscilloscope and replace it 1 KB Controller PC87570 ...

Page 62: ...ce motherboard Board level troubleshooting Check FDD connector Super I O controller PC87393 for cold solder Re solder One of the following parts on the M B may be defective or poor contact Replace the parts one at a time and test after each replacement 1 FDD Connector 2 FDD Controller PC87393 No No Yes Yes No Yes Correct it 1 Try another known good boot diskette 2 Check setup for correct settings ...

Page 63: ...isk Hard disk test error Replace the faulty parts Re boot ok Replace motherboard Board level troubleshooting Check HDD connector PCI IDE controller for cold solder Re solder Yes No Yes No One of the following parts on the M B may be detective replace the parts one at a time and test after each replacement 1 HDD connector 2 PCI IDE controller Try another working HDD Check BIOS HDD Setup OK Correct ...

Page 64: ... battery 3 Turn off power for 1 hour then turn on again Re boot OK END Board level troubleshooting Replace motherboard Check CMOS RAM CMOS battery for cold solders Re solder 5 10 CMOS test error 1 CMOS data lost or inaccurate system time data Yes Yes One of the following parts on the motherboard maybe defective replace the parts one a time and test after each replacement 1 CMOS RAM 2 CMOS battery ...

Page 65: ...t Correct it Board level troubleshooting Replace Motherboard Check SIO controller for cold solder Re solder One of the following parts on the motherboard maybe defective plug SIO loopback at SIO port and run SIO test program If error replace SIO controller No Yes Yes Yes No No 1 Check whether mouse or other I O device are properly installed including driver 2 Try another working mouse of I O devic...

Page 66: ... printer printer driver are installed properly 2 try another working printer and cable Correct it Re test OK Setup OK Correct it Board level troubleshooting Replace motherboard Check PIO controller for cold solder Re solder No Yes Yes Yes No No One of the following parts on the motherboard maybe defective plug PIO loopback at PIO port one a time and test if error replace PIO controller ...

Page 67: ...k whether cables speakers audio drivers are installed properly 2 try another working speaker cable Correct it Re test ok Setup ok Replace motherboard Board level troubleshooting One of the following parts on the motherboard may be defective replace the audio controller chip Yes No No Yes No Correct it Check SIS 630 Chipset for cold Solder Re soldering Yes ...

Page 68: ...ptom Symptom When the power button is pressed nothing happens power indicator is not light up Check DC DC Board Signal or replace each parts Correct it Press Power on button again Check system LED lit on Check Fuse on DC DC Board if open No Power Replace it Yes No Yes No ...

Page 69: ... drive Check drive is install OK Check cable Door is closed Correct it Correct it Re soldering Check one of the following parts or signal on the M B may be defective use an oscilloscope to check it CDROM Failure No Yes Yes Replace Motherboard Board Level Troubleshooting No Check SIS 630 Chipset and CDROM connector for cold solder Yes No ...

Page 70: ...cord LCD message to Board level Troubleshooting Make sure HDD is good Check BIOS setting Make sure CD ROM Is good Check BIOS Settings Re soldering No Yes No Yes No Yes Stop in LCD screen while booting Stop in LCD Screen while booting Check CPU SIS630 for cold soldering OK Check one of the following parts or signal on the M B may be defective use an oscilloscope to check it No Yes ...

Page 71: ...n t detect Re soldering PCMCIA card failure Insert PCMCIA card completely again make sure good connection Check drive controller install OK Correct it Board level Trouble shooting Check PCMCIA slot mounting in M B is cold soldering Check O2Micro OZ 6812 Chipset for cold soldering Re solder Replace O2Micro OZ6812 chipset No Yes Yes No Yes No ...

Page 72: ...failure no response Check driver install OK Check another one IR device is meet IrDa 1 0 Board level trouble shooting Check PC87393 for cold soldering Correct it Try another IR device Re soldering Replace Super I O PC97393 Chipset Check BIOS setup OK Correct it No Yes No Yes No Yes Yes No ...

Page 73: ... Check IRQ COM port setting is OK AT command test modem function is OK Board level trouble shooting Replace another known good modem DAA module Correct it Correct it Re install Drivers Connect it No Yes No No Yes Check modem DAA board is connected properly and wiring with the phone jack No Yes ...

Page 74: ...Index 340S2 Rev B UNIWILL COMPUTER CORP No 24 Pei Yuan Road Chung Li Industrial Park Chung Li City Tao Yuan Hsien Taiwan R O C TEL 886 3 461 6000 FAX 886 3 461 6317 URL http www uniwill com tw ...

Page 75: ...m CD ROM disc PIO Mode 4 Average 3 1W Sleep 0 05W ATAPI Interface 6 5 BATTERY Li ION Vendor PANASONIC GS Battery type Li Ion 8 cells 4S2P Battery capacity 14 8V 3200mAH 47 36Whrs 1 1 2 Charge Voltage 16 8V 2 5 1 0 Charge temperature 0 45o C Discharge temperature 20 60o C End of Discharge 11V Cycle life 500 times Overcharge protection when battery voltage reach 17 2 0 2V Over discharge protection w...

Page 76: ...0 0 2mm Support 3 window keys Key pitch 19mm Dimension 249mm x 100 85mm x 7 8 mm 6 8 MODEM FAX MODULE Modem chip LUCENT DSP1645 CSP1034AH CSP1027 Meet PC99 Window modem requirement Support 3 3V PCI bus V 80 for H 324 DSVD V 70 half duplex speaker phone V 34bis AT command set V 42 LAPM and MNP error correction V 42bis and MNP5 data compression 56Kflex protocol V 17 V 29 V 27ter V 21ch2 VI Group III...

Page 77: ...Index 340S2 Rev B UNIWILL COMPUTER CORP No 24 Pei Yuan Road Chung Li Industrial Park Chung Li City Tao Yuan Hsien Taiwan R O C TEL 886 3 461 6000 FAX 886 3 461 6317 URL http www uniwill com tw ...

Page 78: ... 720120 06 M2 0 6 7 7915034020 FPC T P PAD 8 50 212904 00 ADHESIVE TAPE 9 40 102901 00 SPRING FOR K B 340 10 41 720120 04 M2 0 4 11 50 312903 00 TOP HOUSING MG 340 12 41 720120 03 M2 0 3 13 22 300513 00 SPEAKER FG 36N081 14 50 352922 00 COVER HINGE R 340 15 50 352921 00 COVER HINGE FRAME 16 41 720120 03 M2 0 3 17 50 352924 00 COVER CABLE FOR 340 18 50 432911 00 LATCH K B FOR BLACK 7 2 PCB MOTHERBO...

Page 79: ...1 7914129030 MYLAR CD ROM 340 2 41 720120 08 SCREW M2 0 8 3 41 300002 04 HEX M2 0 3 HEX 3 CU 4 41 720120 04 M2 0 4 5 76 0U0137 00 MODEM CARD 6 581510385AP M B ASSY 7 41 300002 21 HEX D4 8 10 2L 8 41 720120 06 SCREW M2 0 6 7 3 BASE CABINET ASSEMBLY ...

Page 80: ...2 00 PLATE HDD 340 10 41 760230 03 SCREW M3 0 3 11 41 720120 04 SCREW M2 0 4 12 50 202906 00 DOOR HDD 340 13 41 720120 04 SCREW M2 0 4 14 29 102907 00 CABLE HDD 340 15 52 002901 00 RUBBER FOOT 340 16 50 202905 00 DOOR CPU 340 17 791C250452 SCREW M2 5 4 5 PAN 18 27 322911 00 THERMAL MODULE FOR 340S2 19 23 523200 21 BATTERY Li Ion 3200mAH PAN 20 5810603401P FDD ASSY MITSUMI 5810603402P FDD ASSY TEAC...

Page 81: ...20525 06 SCREW M2 5 6 6 50 332921 00 FRONT CAB 14 1 7 52 012911 00 RUBBER FOR DISPLAY B 8 41 720120 04 SCREW M2 0 4 9 40 152909 00 HINGE R A TYPE 340 10 29 102901 00 CABLE FOR LCD INVERTER 14 1 11 76 030533 00 INVERTER FOR 14 1 12 40 302906 00 BRACKET R FOR LCD NO PART NUMBER DESCRIPTION 13 50 212900 00 MYLAR FOR INVERTER 340 14 50 242910 00 HOOK LCD R 340 15 50 412906 00 KNOB LCD 340 ...

Page 82: ... 412906 00 KNOB LCD 340 19 50 242910 00 HOOK LCD L 340 20 29 012900 30 CABLE FOR LCD 21 58103A55D1P LCD 14 1 T CHI UNIWILL COMPUTER CORP No 24 Pei Yuan Road Chung Li Industrial Park Chung Li City Tao Yuan Hsien Taiwan R O C TEL 886 3 461 6000 FAX 886 3 461 6317 URL http www uniwill com tw ...

Page 83: ...8 Fax 1 510 580 5666 Remark Any pertinent information you can provide us to expedite our response will be greatly appreciated When filling up information in the failure symptoms space please note the following 1 Possibility of duplicating the problem for our study purposes 2 Frequency of problem occurrence 3 Any results from regenerating the problem on the other types of system e g IBM products an...

Page 84: ...Index 340S2 Rev B UNIWILL COMPUTER CORP No 24 Pei Yuan Road Chung Li Industrial Park Chung Li City Tao Yuan Hsien Taiwan R O C TEL 886 3 461 6000 FAX 886 3 461 6317 URL http www uniwill com tw ...

Page 85: ... 1 6 1 2 3 Power Plans 1 6 1 2 4 Power Source Status 1 6 1 2 5 DC DC Board 1 7 1 2 6 AC DC Adapter 1 7 1 2 7 Inverter 1 7 1 2 8 Battery Pack 1 7 1 2 9 Memory Module 1 7 1 2 10 Interrupt Request Channel 1 8 1 2 11 DMA Channel 1 9 1 2 12 System LED Indicator 1 9 1 2 13 Hot Key 1 9 Chapter 2 Connector and Switch Definition Contents 2 1 Connector Definitions 2 2 2 1 1 Memory DIMM144 2 2 2 1 2 Modem B ...

Page 86: ... 22 Test 2 10 2 1 23 Fan2 2 10 2 1 24 Fan1 2 11 2 1 25 PS 2 2 11 2 1 26 Power Switch 2 11 2 1 27 AC 2 11 2 1 28 Battery 2 12 2 1 29 Touch Pad 2 12 2 1 30 But_SW_0 2 12 2 2 Mechanical Buttons and Switch Definition 2 13 2 3 Major Components and Connectors Location 2 15 Chapter 3 Major Components Contents 3 1 Major Component List Mainboard 3 2 3 2 Major Component Pin Assignment 3 3 Chapter 4 System D...

Page 87: ...t error 5 14 5 13 Audio drive failure 5 15 5 14 No power symptom 5 16 5 15 CDROM Drive test error 5 17 5 16 Stopping in LCD screen while booting 5 18 5 17 PCMCIA Cardbus failure 5 19 5 18 IR Port can t transfer data 5 20 5 19 Modem failure 5 21 Chapter 6 Peripheral Devices Contents 6 1 LCD 6 2 6 2 FDD 6 2 6 3 HDD 6 2 6 4 CD ROM DVD 6 2 6 5 Battery 6 2 6 6 Touch Pad 6 3 6 7 Keyboard 6 3 6 8 Modem F...

Page 88: ...t 340S2 Rev B ...

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