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Uniwill 340S2 Service Manual

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Chapter 1
General System Description
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/
Rev : B
340S2
1

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

  • Page 2: Chapter 1 General System Description

    Chapter 1 General System Description UNIWILL TECHNOLOGY CORP. 14F, 67 & 69, Section 1, Chung San RD., Hsin Chuang City, Taipei Hsien, Taiwan, R.O.C. TEL: 886-2-8991-6888 FAX: 886-2-8991-5666 URL: http:// uniwill.com.tw/ 1.1 System features 1.1.1 General features a. Support cost efficient CPU,...
  • Page 3 SMB bus for smart battery Support Win-95 defined 3 new keys and down load-able key-matrix E. Super I/O Controller NS PC87393 LPC System Interface with synchronous cycles, up to 33 MHz bus clock PC99 and ACPI Compliant Rev : B 340S2...

  • Page 4: System Specification

    VCCSKT SOCKET 13.0" DSTN LCD POWER 14.1" TFT LCD VPPSKT MIC2562A DSTN ENCODER NS CS9211 PCI BUS CORE LOGIC CRT PORT CD-ROM INT. MICPHONE SIS630 MICPHONE Rev : B 340S2 INT. AUDIO AC97 CODEC RJ-45 CONNECTOR AC LINK SPEAKERS AMP.

  • Page 5: Power

    : LAN 3.3V analog power source +3V_TX_TR : LAN 3.3V analog power source LCDVCC : LCD display 3.3V power source : Inverter 12~20V power source ADAP+ : 20V Power supply from AC adapter AMPVDD : 5V analog power for audio Rev : B 340S2...
  • Page 6 Chapter 1 General System Description Rev : B 340S2...

  • Page 7: Dc/Dc

    Brightness Adjust Range (tube current) : 2.5mA rms – 5mA rms Protection : Open circuit protect, current limit protect 1.2.8 Battery Pack A. Lithium – Ion Battery packs Battery type : Li-Ion Battery cells : 8 cells Rev : B 340S2...

  • Page 8: Memory Module

    = 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 128M 128M 128M 128M 192M 128M 128M 256M Rev : B 340S2...

  • Page 9: Interrupt Request Channel

    Intel 82371AB/EB PCI Bus Master IDE Controller Secondary IDE Controller (dual FIFO) 1.2.11 DMA Channel Setting Hardware using the setting IrDA V3.0 Fast Infrared Port Standard Floppy Disk Controller ECP Printer Port (LPT1) Direct memory access controller Rev : B 340S2...

  • Page 10: System Led Indicator

    Toggle LCD / CRT display Fn + F5 Volume increase Fn + F6 Volume decrease Fn + F7 Brightness up Fn + F8 Brightness down Fn + F9 Contrast up (for DSTN LCD) Fn + F10 Contrast down(for DSTN LCD) 340S2 Rev : B...
  • Page 11 Chapter 2 Connectors & Switches 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/ 340S2 Rev : B...

  • Page 12: Connector Definitions

    NC/CB5 NC/CB6 NC/CB6 NC/CB7 NC/CB7 2.1.2 Modem/B Connector (CN29) CLK0 CLK0 CLK1/RFU CLK1/RFU CKE0/RFU CKE0/RFU CKE1/RFU CKE1/RFU KBVCC SRAS#/RFU SRAS#/RFU SCAS#/RFU SCAS#/RFU CN29 DIMM144 PERR# DIMM144-REV PERR# SERR# FRAME# IRDY# TRDY# DEVSEL# AD16 STOP# 340S2 Rev : B INT#A PREQ#1...
  • Page 13 LLD8 LLD9 LLD0 LLD1 LLD2 LLD3 LLD4 LLD5 LLD6 LLD7 UUD2 UUD3 UUD6 UUD7 UUD8 UUD9 UUD10 UUD11 LCD CONN 2.1.4 Inverter Connector (CN3) OPEN_S CLOSE_S INT_MIC R281 BLTADJ DISPON INVERTER 340S2 Rev : B C325 C321 C328 BLM11P600S 1u/25V_0805...
  • Page 14 Connectors & Switches 2.1.5 CRT Connector (CN20) Description Description GREEN BLUE DDCCLK HSYNC DACGND VSYNC DACGND DDCDATA DACGND 2.1.6 USB Connector (CN21) Description USBP0- USBP0+ 2.1.7 RJ45 (CN15) CN15 RJ45 2.1.8 RJ11 (CN16) Description HRTXRXN HRTXRXP 340S2 Rev : B...
  • Page 15 2.1.11 MIC Jack (CN13) AMPVDD VREFOUT R279 R268 CN13 C315 0.1u INT_MIC MIC JACK R278 R269 C308 BLM11P600S 680p MICGND 2.1.12 Speaker Jack (CN12) AMPVDD R266 100K CN12 EXTSPKR EXTSPKHP EXTSPKL R276 SPKR JACK 340S2 100K Rev : B BLM11P600S...
  • Page 16 (D3) CAD0 CC/BE2# (A12) CC/BE1# (A8) CC/BE0# (CE1*) PCMCIA CONN 2.1.15 HDD Connector (CN27) V_HDD V_HDD CN27 HDDRST# PIDED7 PIDED8 PIDED6 PIDED9 PIDED5 PIDED10 PIDED4 PIDED11 PIDED3 PIDED12 PIDED2 PIDED13 PIDED1 PIDED14 PIDED0 PIDED15 340S2 Rev : B PIDEDREQ PIDEIOW# PIDEIOR#...
  • Page 17 SIDECS1# SIDECS3# CD-ROMLED# CDROM CONN R498 Secondary Drive(Master) 2.1.17 FDD Connector (CN10) V_FDD CN10 INDEX# INDEX# 15,17 DRV0# DSKCHG# DSKCHG# MTR0# FDIR# 5,15 3MODE# STEP# WDATA# WGATE# TRK0# TRK0# WRPRT# WRPRT# RDATA# RDATA# HDSEL# 340S2 Rev : B FDD CONN...
  • Page 18 Chapter 2 Connectors & Switches 340S2 Rev : B...
  • Page 19 LPTD6 LPTD5 LPTD4 LPTD3 LPTSLCTIN# LPTD2 LPTINIT# LPTD1 LPTERR# LPTD0 LPTAFD# LPTSTB# PARALLEL CONN 2.1.19 Serial Connector (CN19) CN19 COMRI1 COMDTR1# COMCTS1# COMTXD1 COMRTS1# COMRXD1 COMDSR1# COMDCD1# SERIAL CONN 2.1.20 LID Connector (CN1) 100K LID CONN 340S2 Rev : B...
  • Page 20 ROMA2 ROMA3 ROMA4 ROMA5 ROMA6 ROMA7 ROMD0 ROMD1 ROMD2 ROMD3 ROMD4 ROMD5 ROMD6 ROMD7 TEST ROMRD# ROMWR# TEST CONN 2.1.23 Fan2 Connector (CN2) C303 FAN2 CONN 2.1.24 Fan1 Connector (CN25) Q41A SI9953 CN25 340S2 Rev : B C476 FAN1 CONN...

  • Page 21: System Disassembly

    18,23 ADAP_IN SR34 CN22 BLM21300S_0805 ADAP+ C306 C331 10u/25V_1210 10u/25V_1210 AC CONN BLM21300S_0805 2.1.28 Battery Connector (CN30) SR54 ANODE CATHODE 21,23 BATT+ Pin No. Pin Name BATT+ SMBCLK SMBDATA TEMP +5V_AUX 2.1.29 Touch Pad Connector (CN11) 340S2 Rev : B...
  • Page 22 When LCD cover is closed, this Lid switch is triggered and an SMI/SCI is generated to put the system into ‘Suspend to RAM’ or ‘Suspend to Disk’ mode depending on the “Cover Switch” setting in the BIOS Setup menu. 2.2.3 WWW function button 340S2 Rev : B...
  • Page 23 SW7 (For Celeron and Pentium III) SDRAM 100M 100M 100M Note: SW7-5, 6, 7, 8: Always OFF Celeron Processor System Bus Frequency(MHz) L2 Cache Size(Kbytes) Pentium III Processor System Bus Frequency(MHz) L2 Cache Size(Kbytes) 550E 600E 340S2 Rev : B...

  • Page 24: Major Components And Connectors Location

    Chapter 4 System Disassembly 2.3. Major Components and Connectors Location 2.3.1 Bottom Side CN21 CN17 CN14 CN13 CN12 CN27 CN30 CN24 340S2 Rev : B...

  • Page 25: Top Side

    Chapter 4 System Disassembly CN28 2.3.2 Top Side 340S2 Rev : B...
  • Page 26 Chapter 4 System Disassembly 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/ 340S2 Rev : B...
  • Page 27 OCTAL BUFFER PHILIPS 74VLC244 PWM CONTROL TL594 LINEAR REGULATOR 78L12 STEP DOWN DC-DC CONVERTER SB3052P PWM CONTROL TL594 LOW DROPOUT REGULATOR AME8800DEFT LOW DROPOUT REGULATOR AME8800AEFT IR TRANSCEIVER MODULE STANLEY HRM230S 3.2 Major Components Pin Assignment 340S2 Rev : B...
  • Page 28 A#[19] AK22 A#[18] VREF7 AK12 A#[17] VREF6 A#[16] VREF5 A#[15] VREF4 AK14 A#[14] VREF3 A#[13] VREF2 A#[12] VREF1 AK10 A#[11] VREF0 A#[10] A#[9] AH10 A#[8] EDGCTRL/VRSEL AL15 A#[7] A#[6] A#[5] PLL1 AH12 A#[4] PLL2 A#[3] SOCKET_370 340S2 Rev : B...
  • Page 29 VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE SOCKET_370 340S2 Rev : B...
  • Page 30 HA#[24] AJ15 HA#[23] SDCLK HA#[22] AF22 HA#[21] HA#[20] AF23 HA#[19] SRAS# AE21 HA#[18] SCAS# HA#[17] HA#[16] AJ16 Host Bus Interface HA#[15] SDVADD HA#[14] HA#[13] HA#[12] HA#[11] HA#[10] HA#[9] HA#[8] HA#[7] HA#[6] CPUAVDD HA#[5] HA#[4] HA#[3] SIS-630 340S2 Rev : B...
  • Page 31 OVDD OVDD OVDD OVDD OVDD OVDD OVDD SiS-630 POWER OVDD OVDD OVDD OVDD OVDD OVDD OVDD OVDD AA12 OVDD AA13 OVDD AA14 OVDD AA15 OVDD AA16 OVDD AA17 OVDD AA18 OVDD SIS-630 SIS 630 VGA/South Bridge 340S2 Rev : B...
  • Page 32 HRTXRXN CLK48M HRTXRXP UV0- OSC25MHI/CLK25M UV0+ UV1- UV1+ REXT UV2- UV2+ UV3- UV3+ SMCLK UV4- SMBDAT UV4+ GP15/SMBALT# SIS-630 Clock Generator (U10) VDDREF CPUCLK0 CPUCLK1 VDDSDR CPUCLK2 VDDSDR VDDSDR 340S2 Rev : B VDDSDR FS1/PCICLK0 VDDSDR FS2/PCICLK1 VDDSDR PCICLK2 PCICLK3...
  • Page 33 D2/R2 D3/R3 PLLVCC D4/R4 LVDSVCC D5/R5 D6/G0 D7/G1 D8/G2 D9/G3 D10/G4 D11/G5 D12/B0 CLKOUT- D13/B1 CLKOUT+ D14/B2 D15/B3 PLLGND D16/B4 LVDSGND D17/B5 LVDSGND D18/HSYNC LVDSGND D19/VSYNC PLLGND D20/ENABLE CLKIN SHUTN# SN75LVDS84 CS9211 (U12) SCLK SDIN 340S2 Rev : B ENALCDIN...
  • Page 34 Chapter 4 System Disassembly NT56V1616A0T M12L1616A_7T SSM2165_SO8 SSM2165_SO8 340S2 Rev : B...
  • Page 35 RXAN/CAP9 MIC1 RXAP/CAP10 MIC2 HPOUT-L/CAP11 LINE-L HPOUT-C/CAP12 LINE-R HPOUT-R/CAP13 AVANCE_ALC100_SQFP-48 PCMCIA Controller O2Micro OZ6812 MIC2562A (U29) V3IN VCCOUT VCCOUT V5IN VCCOUT SKT_VCC SKT_VCC V5IN VPPOUT AD31 CAD31 340S2 Rev : B VPPIN AD30 CAD30 FLAG# AD29 CAD29 AD28 CAD28 V5_EN...
  • Page 36 Chapter 4 System Disassembly 74LVC373 (U14) 74LVC373 Super I/O Controller (PC87393) (HRM230S) LAD0 PD0/INDEX# LAD1 PD1/TRK0# RXGND LAD2 PD2/WP# LAD3 340S2 PD3/RDATA# Rev : B PD4/DSKCHG# RXVCC LCLK PD5/MSEN0 TXVCC LRESET# PD6/DRATE0 RXD_B...
  • Page 37 System Disassembly ADM213 (U1) T1IN T1OUT T2IN T2OUT T3IN T3OUT T4IN T4OUT R1OUT R1IN R2OUT R2IN R3OUT R3IN R4OUT R4IN R5OUT R5IN SHDN# ADM213 Keyboard Controller PC87570 KBSN0 KBSN1 KBSN2 KBSN3 KBSN4 KBSN5 340S2 Rev : B KBSN6 KBSN7 KBSOUT0 KBSOUT1...
  • Page 38 Chapter 4 System Disassembly SB3052P TL594 29LV020 340S2 Rev : B...
  • Page 39 L5971-SO16W LCNX3 LCNX5 Vout OUT3 OUT5 PWON CMPV PWON3 CMPI1 PWON5 CMPI2 FSYN CMPO1 VREF CMPO2 TL594 (U37) TL594 (U44) AME8800AEFT AME8800AEFT-SOT89 1IN+ 1IN+ 1IN- 1IN- 2IN+ 2IN+ 2IN- 2IN- TL594-SOP16 TL594-SOP16 AS2951 (U23) AS2951 (U21) 340S2 Rev : B...
  • Page 40 U32A U32B ADD1 ALERT# LM358-SO8 LM358-SO8 ADD0 ADM1021 93C46 74HCT4066 74LVC244 OE1# EEPROM_CS CLK_625K EEPROM_DI EEPROM_DO OE2# 93C46 (CMOS_SERIALE2) 74LVC244 74HCT4066 74LVC14 74LVC14 74LVC14 74LVC14 74LVC14 74LVC14 74LVC32 74LVC32 74LVC32 74LVC32 74LVC32 74LVC32 74LVC08 9424 MAX708 340S2 Rev : B...
  • Page 41 Chapter 4 System Disassembly RST# 9424 PF0# 74LVC08 MAX708-3.3V SO-8 74LVC08 74LVC08 74LVC08 74LVC08 74LVC08 74LVC08 74LVC14 AME8800DEFT AME8800DEFT 74LVC14 340S2 Rev : B...
  • Page 42 Chapter 4 System Disassembly UNIWILL COMPUTER CORP. No. 24., Pei Yuan Road, Chung Li Industrial Park, Chung Li City Taiwan, R.O.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.
  • Page 43 Chapter 4 System Disassembly 5. Unfasten SCREWS (#5) of HDD and remove HDD. 6. Unfasten the SCREWS (#6) and remove the CPU THERMAL MODULE (#7) 7. Unscrew the SCREWS *5 (#8) of the bottom cabinet. 340S2 Rev : B...
  • Page 44 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. 340S2 Rev : B...
  • Page 45 13. Disassemble the 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) FDDFPC 16. Unscrew SCREWS*4 (#16) and SCREW*1 (#17) of the case. 17. Disassemble COVER HINGE FRAME (#15). 340S2 Rev : B...
  • Page 46 18. Disassemble the M/B assembly from the bottom cabinet. 19. Disconnect HDD CABLE (#18). 20. Disconnect MODEM CABLE. Modem Cable 21. Unscrew SCREW (#19) of MODEM BOARD (#20). 22. Disassemble MODEM BOARD and MODEM CABLE (#21). 23. Unscrew HEX*2 (#22). 340S2 Rev : B...
  • Page 47 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). 340S2 Rev : B...
  • Page 48 Chapter 4 System Disassembly 340S2 Rev : B...
  • Page 49 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. 340S2 Rev : B...
  • Page 50 Chapter 5 Troubleshooting Guidelines 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) 340S2 Rev : B...
  • Page 51 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). 340S2 Rev : B...
  • Page 52 Chapter 5 Troubleshooting Guidelines 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). 340S2 Rev : B...
  • Page 53 Chapter 5 Troubleshooting Guidelines 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 .uniwill.com.tw/ URL: http:// www 340S2 Rev : B...
  • Page 54 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 Failure 340S2 Rev : B...
  • Page 55 Correct the I/O device & cables to the Display ok M/B one at a time to find out which part is causing the problem Replace motherboard Board level troubleshooting Check SIS Chipset for Re-solder any cold solder? Check system clock and reset circuit 340S2 Rev : B...
  • Page 56 Replace Motherboard Board level troubleshooting Check SIS 630 controller Re-solder for cold solder? Replace the parts one at a time and test after each replacement: VGA controller 340S2 Rev : B...
  • Page 57 LCD Type in Correct it BIOS Setup OK? Replace motherboard Board level troubleshooting Check LCD module Re-soldering for cold solder Check LCD module and SIS630 controller, replace the parts one at a time and test after each replacement 340S2 Rev : B...
  • Page 58 Symptom: The CRT monitor shows nothing or abnormal color, but it is ok for Monitor No Display Try another known good monitor Display Ok? Replace faulty monitor Setup Ok? Correct it Replace motherboard Board level Troubleshooting Check VGA port signal using oscilloscope Replace SIS 630 Chipset 340S2 Rev : B...
  • Page 59 5.5 Memory test error Memory test error With External DRAM Module Installed? Install External Correct it DRAM module and socket OK? Try another known good DRAM module Replace the Test OK? faulty DRAM module Replace motherboard 340S2 Rev : B...
  • Page 60 Replace the faulty keyboard Replace motherboard Board level troubleshooting Re-soldering Check for cold solder? One of the following parts or signals on the other board may be defective, use an oscilloscope to check 1.K/B Controller PC87570 340S2 Rev : B...
  • Page 61 Replace motherboard Board level troubleshooting Check KB controller Re-solder PC87570 for cold solder? Check one of the following parts or signals on the motherboard maybe defective, use an oscilloscope and replace it. 1. KB Controller – PC87570 340S2 Rev : B...
  • Page 62 PC87393 for cold 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) 340S2 Rev : B...
  • Page 63 PCI- Re-solder IDE controller for cold solder? 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 340S2 Rev : B...
  • Page 64 Board level troubleshooting Check CMOS RAM, Re-solder CMOS battery for cold solders 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 340S2 Rev : B...
  • Page 65 Board level troubleshooting Check SIO Re-solder controller for cold 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 340S2 Rev : B...
  • Page 66 Board level troubleshooting Check PIO Re-solder controller, for cold solder? 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 340S2 Rev : B...
  • Page 67 Re-test ok? Correct it Setup ok? Correct it Replace motherboard Board-level troubleshooting Check SIS 630 Chipset for cold Re-soldering Solder One of the following parts on the motherboard may be defective, replace the audio controller chip 340S2 Rev : B...
  • Page 68 Symptom: When the power button is pressed, nothing happens, power indicator is not light up. No Power Check Fuse on DC/DC Replace it Board if open Check DC/DC Board Signal or replace each Correct it parts. Press Power on button again Check system LED lit on 340S2 Rev : B...
  • Page 69 Replace Motherboard Board Level Troubleshooting Check SIS 630 Chipset and CDROM connector Re-soldering for cold solder? Check one of the following parts or signal on the M/B may be defective, use an oscilloscope to check it. 340S2 Rev : B...
  • Page 70 Settings Stop in LCD screen while booting Check CPU & Re-soldering 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. 340S2 Rev : B...
  • Page 71 Check drive & Correct it controller install OK? Board-level Trouble shooting Check PCMCIA slot Re-soldering mounting in M/B is cold soldering Check O2Micro OZ Re-solder 6812 Chipset for cold soldering? Replace O2Micro OZ6812 chipset 340S2 Rev : B...
  • Page 72 Check BIOS setup Correct it Check driver install OK Correct it Check another one IR Try another IR device is meet IrDa 1.0 device Board-level trouble shooting Check PC87393 for cold Re-soldering soldering Replace Super I/O PC97393 Chipset 340S2 Rev : B...
  • Page 73 OK? AT command test Re-install Drivers modem function is OK Board-level trouble shooting Check modem DAA board is connected properly and Connect it wiring with the phone jack Replace another known good modem DAA module. 340S2 Rev : B...
  • Page 74 Index 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/ 340S2 Rev : B...
  • Page 75 When system is powered ON : 1A Ni-MH Vendor : PANASONIC, TOSHIBA Battery Type : Ni-MH, 10 cells (10S) Battery Capacity : 12.0V, 4500mAh (54.0 watts) Charge voltage : 16.8V +2.5% -1.0% Charge temperature : 0~45 340S2 Rev : B...
  • Page 76 / VI Group III fax / telephony answering machine / DTMF generation and detection / V11. Local handset, telephone and microphone record / telephone line and headset or VIII. Peaked playback / voice view / caller ID / host base DSVD Power : active=450mW idle=160mW sleep=10mW 340S2 Rev : B...
  • Page 77 Index 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/ 340S2 Rev : B...
  • Page 78 50-312903-00 TOP HOUSING (MG) 340 41-720120-03 M2.0*3 22-300513-00 SPEAKER FG-36N081 50-352922-00 COVER HINGE (R ) 340 50-352921-00 COVER HINGE FRAME 41-720120-03 M2.0*3 50-352924-00 COVER CABLE FOR 340 50-432911-00 LATCH K/B FOR (BLACK) 7.2 PCB (MOTHERBOARD) ASSEMBLY 340S2 Rev : B...
  • Page 79 Index PART NUMBER DESCRIPTION 7914129030 MYLAR CD-ROM 340 41-720120-08 SCREW M2.0*8 41-300002-04 HEX M2.0*3(HEX*3)CU 41-720120-04 M2.0*4 76-0U0137-00 MODEM CARD 581510385AP M/B ASSY 41-300002-21 HEX D4.8*10.2L 41-720120-06 SCREW M2.0*6 7.3 BASE CABINET ASSEMBLY 340S2 Rev : B...
  • Page 80 SCREW M2.0*4 29-102907-00 CABLE HDD 340 52-002901-00 RUBBER FOOT 340 50-202905-00 DOOR CPU 340 791C250452 SCREW M2.5*4.5 PAN 27-322911-00 THERMAL MODULE FOR 340S2 23-523200-21 BATTERY Li-Ion 3200mAH PAN. 5810603401P FDD ASSY MITSUMI 5810603402P FDD ASSY TEAC 29-163403-00 FFC FDD 40-302914-00...
  • Page 81 HINGE ( R) A-TYPE 340 29-102901-00 CABLE FOR LCD INVERTER 14.1 76-030533-00 INVERTER FOR 14.1” 40-302906-00 BRACKET ( R) FOR LCD PART NUMBER DESCRIPTION 50-212900-00 MYLAR FOR INVERTER 340 50-242910-00 HOOK LCD (R ) 340 50-412906-00 KNOB LCD (340) 340S2 Rev : B...
  • Page 82 KNOB LCD 340 50-242910-00 HOOK LCD (L) 340 29-012900-30 CABLE FOR LCD 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 3. Any results from regenerating the problem on the other types of system (e.g., IBM products, any other models of Uniwill machines, etc.) 4. Circumstances that may cause this problem (e.g. making alternations in the system configuration such as installing a video adapter, etc.)
  • Page 84 Index 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/ 340S2 Rev : B...

  • Page 85: Table Of Contents

    1.2.11 DMA Channel …………..…………………………………. 1.2.12 System LED Indicator………..….……………………….….. 1.2.13 Hot Key……………………………………………………… Chapter 2. Connector and Switch Definition Contents : 2.1 Connector Definitions…..……………………………………………. 2.1.1 Memory DIMM144 …….…………...………………………... 2.1.2 Modem/B .……..………………………………….………….. 2.1.3 LCD ……………….………………………………………….. 2.1.4 Inverter ……….….…………………………………………… 2.1.5 CRT………..…….……………………………………………. 2.1.6 340S2 Rev : B...
  • Page 86 2.3 Major Components and Connectors Location..………………………. 2-15 Chapter 3. Major Components Contents : 3.1 Major Component List (Mainboard)…..……………………………... 3.2 Major Component Pin Assignment…………………………………... Chapter 4. System Disassembly Contents: 4.1 System Disassembly……………………………………………..…… 4-2 4.2 Top Housing Disassembly…..……………………………………….. 4.3 LCD Panel Disassembly……..……………………………………… 4-10 340S2 Rev : B...
  • Page 87 6.10 AC Adapter……………………………………………………..…… 6-4 Chapter 7. Explosion Diagram Contents : 7.1 Top Cabinet Assembly……...………………………………………… 7-2 7.2 PCB Motherboard Assembly……...………………………………… 7.3 Base Cabinet Assembly……………………………………………… 7.4 LCD Assembly……………..………………………………………… 7-5 Chapter 8. Global Support Contents : Chapter 8. Global Support Problem Worksheet…………………………………… 340S2 Rev : B...
  • Page 88 340S2 Rev : B...

Table of Contents