Aiwa SC-UC78 Technical Information

OpenBook 1849Service GuidePART NO.: 49.41X01.001 PRINTE

2 OpenBook 1849TOne S-video output portTSecure Digital (SD)/ Memory Stick/ Multi Media Card 3-in 1 slot.TOne Fast Infrared portSystemTMicrosoft window

92 OpenBook 1849SW1 SettingsJumper # FunctionJumper 3, 6 Bypass user (power on) passwordJumper 4, 5 Boot BlockJumper 1, 2 Reserved

Chapter 3 93Bottom View1 DM2 Memory socket 2 5 MDC1 Modem connector2 DM1 Memory socket 1 6 CN5 SD/MS/ MMC 3-in-1 slot3 Ring1 Modem cable connector 7 J

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Chapter 6 95This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of the product. Refer to this chapter whenever or

96 OpenBook 1849Exploded Diagram

Chapter 6 97Picture No. Partname DescriptionAdapterNS ADAPTER 3PIN 20V 120W ADPT 3P 20V 120W LISHIN LCD03 LCD 15" XGA AU B150XG01 V.2/XXXXX

98 OpenBook 1849NS CPU FANSINK W/FAN ASSEMBLY CPU HEAT-PIPE K3UNS FAN 2ND FAN K3UCablesNS INVERTER CABLE CABLE INVERTERNS LCD COAXIAL CABLE CABEL COAX

Chapter 6 99Main BoardNS MAINBOARD K3U W/MODEM CABLE & LAUNCH BOARD CABLE & RTC BATTERYK3D MB W/O CPU 02219-1BoardsNS TOUCHPAD BOARD TOUCHPAD

100 OpenBook 1849NS LCD BRACKET 15” RIGHT BRACKET 15” LCD R K3DNS LCD PANEL ASSEMBLY PANEL 15” K3DNS HINGE PACK 15" HINGE PACK 15"NS LCD BE

Chapter 6 101NS OPTICAL BRACKET BRACKET CD-ROM K3D NS MIDDLE COVER ASSEMBLY MIDDLE COVER K3UNS KEYBOARD SUPPORT BIG ASSEMBLY KB SUPPORT K

Chapter 1 3System Block Diagram

102 OpenBook 1849NS MODEM DOOR ASSEMBLY MDC DOOR K3UNS DIMM DOOR ASSEMBLY DIMM DOOR K3UNS UPPER CASE W/COVER SWITCH CABLEASSEMBLY U-CASE K3UPicture

Chapter 6 103SpeakersNS SPEAKER SPEAKER YUHINAMiscellaneousNS SCREW RUBBER RUBBER LCD CUSHION K3DNS SCREW MYLAR RUBBER LCD SCREW K3DScrewsNS SCREW SC

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Appendix A 105This computer’s compatibility is tested and verified by the internal testing department. All of its system functions is tested under Wi

106 OpenBook 1849Microsoft Windows XP Environment TestItem SpecificationsProcessor Intel Pentium 4 3.2GHz Memory (DDR-DIMM) Samsung 256MBSamsung 512MB

Appendix A 107I/O - External CRT Acer 211c 21” MT-01~034ViewSonic PF790, 19” MT-01-039Acer FP751 17” TFT LCD MT-01-036IBM Color TFT LCD 14” 9514-B03

108 OpenBook 1849I/O - USB Storage Drive Logitec CDRW + DVDROM combo USB interface RW-12Iomega USB Zip 250MB ZIP-01-002Plextor Burn-Proof CDRW (USB 2.

Appendix B 109This section describes online technical support services available to help you repair your AOpen Systems.If you are a distributor, deale

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Index 111AAC Adapter 28ACPI 1.0a 19APM 1.2 19Audio 23, 25BBattery 26Battery Pack 55battery packcharging indicator 12BIOS 19package 19password control

4 OpenBook 1849Board LayoutTop ViewPCB 02219-11 Hard Diskette Drive connector 16 External monitor port2 Keyboard connector 17 TV-out connector3 Speake

112 OpenBook 1849II/O Address Map 30Index of Error Messages 83Index of Symptom-to-FRU Error Message 85Indicators 12Intermittent Problems 89IrDA 25IRQ

Chapter 1 5Bottom View1 Memory socket 2 6 SD/MS/ MMC 3-in-1 slot2 Memory socket 1 7 1394 connector3 Modem cable connector 8 FIR4 Golden Finer (Debug B

6 OpenBook 1849Outlook ViewTop ViewNumber Item Description1 Display screen Also called LCD (liquid-crystal display), displays computer output.2 Status

Chapter 1 7Left PanelNumber Item Description1 PC card slot Accepts two TypeII/I or one Type III CardBus PC card.2 PC card eject button Ejects the PC c

8 OpenBook 1849Right PanelNumber Item Description1 Speaker Outputs sound.2 Security keylock Connects to a Kensington-compatible computer security lock

Chapter 1 9Rear PanelNumber Item Description1 DC-in jack Connects to an AC adapter.2 Parallel port Connects to a parallel device (e.g., parallel print

10 OpenBook 18499 Line-in jack Accepts audio line-in devices (e.g., audio CD player, stereo walkman)Number Item Description

Chapter 1 11Bottom PanelNumber Item Description1 Memory compartment cover Houses the computer’s main memory.2 Battery pack Supplies power to the compu

II OpenBook 1849Revision HistoryPlease refer to the table below for the updates made on OpenBook1849 service guide.Date Chapter Updates

12 OpenBook 1849IndicatorsThe computer has seven easy-to-read status icons on the bottom of the display screen.The Power, Sleep status and Wireless Co

Chapter 1 13Lock KeysThe keyboard has three lock keys which you can toggle on and off.Lock Key DescriptionCaps Lock When Caps Lock is on, all alphabet

14 OpenBook 1849Embedded Numeric KeypadThe embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters locate

Chapter 1 15Windows KeysThe keyboard has two keys that perform Windows-specific functions.Key Icon DescriptionWindows logo key Start button. Combinati

16 OpenBook 1849Hot KeysThe computer employs hot keys or key combinations to access most of the computer’s controls like screen contrast and brightnes

Chapter 1 17Launch KeysLocated on the left of the keyboard are five buttons. These buttons are called launch keys. They are designated as Wireless Com

18 OpenBook 1849AV Control PanelThe AV control panel is a special feature of this computer. Through this AV control panel, you can play most of your

Chapter 1 19Hardware Specifications and ConfigurationsProcessorItem SpecificationCPU typeIntelR Pentium 4 (Northwood 2.4/2.6/2.8/3.0/3.2 GHz, Prescott

20 OpenBook 1849 LAN InterfaceItem SpecificationChipset Realtek 8101LSupports LAN protocol 10/100 MbpsLAN connector type RJ45LAN connector location Re

Chapter 1 21Transfer rate (KB/sec) Average Sustained:CAV mode 775~1800 blocks/sec (10.3X to 24X)1550~3600kBytes/sec (Mode 1) 1768~4106 kBytes/sec (Mo

IIICopyrightCopyright © 2003 by Wistron Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed,

22 OpenBook 1849(*1) Average of Data read over the whole area from 00 min. 02 sec. 00 block to 59 min. 58 sec. 74 block more than 2000 times includ

Chapter 1 23 Access time (typ.) Ave. 160msec. (CD), Ave. 180msec. (DVD)Buffer memory 8MBApplicable disc formatCD-DA, CD-ROM, CD-ROM XA, CD-I, Video-CD

24 OpenBook 1849 Video Resolutions Mode Resolution8 bits(256 colors)16 bits(High color)32 bits(True color)640x480 Yes Yes Yes800x600 Yes Yes Yes1024x7

Chapter 1 25 IrDA PortItem SpecificationIrDA FIR port controller NS SIO PC87392Number of IrDA FIR port 1Location Left sideIrDA FIR port function contr

26 OpenBook 1849 NOTE: DC-AC inverter is used to generate very high AC voltage, then support to LCD CCFT backlight user, and is also responsible for

Chapter 1 27Output Current (mA) VADJ=1.6V:1.5~2.52.0 (Typ.)VADJ=3.3V:5.0~6.05.5 (Typ.)Frequency (KHz) VADJ=3.3V:47~5752(Typ.)Kickoff voltage (VACrms)

28 OpenBook 1849LCDItem SpecificationVendor & model name AU B150XG01Mechanical SpecificationsLCD display area (diagonal, inch) 15Display technolog

Chapter 1 29 Regulatory Requirements Safety Requirements:1.The subject product rated 100-120V 60Hz must be listed under UL 1950 and certified with SCA

30 OpenBook 1849Mechanical SpecificationItem SpecificationDimensions 326 (W) x 290 (D) x 36.8~38.6 (H) mm for 15.0” TFT Weight 7.5 lbs for 15.0” TFT m

Chapter 1 3100000090-0000009F Motherboard resources000000A4-000000A5 Motherboard resources000000A8-00000A9 Motherboard resources000000AC-00000AD Mothe

IV OpenBook 1849ConventionsThe following conventions are used in this manual:Screen messages Denotes actual messages that appear on screen.NOTEGives b

32 OpenBook 1849IRQ8 CMOS/ RTCIRQ9 SCI IRQ used by ACPI busIRQ10 Intel(R) 82801EB SMBUS Controller-2403IRQ16 Intel(R) 82801EB USB Universal Host Contr

Chapter 2 33BIOS Setup UtilityThe BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/Output System).Y

34 OpenBook 1849TPress the | key while you are in any of the menu options to return to the main menu.NOTE: You can change the value of a parameter if

Chapter 2 35Main System SettingsThe Main System Settings screen allows you to set the system date and time.The following table describes the parameter

36 OpenBook 1849Boot Display Set the display output device on boot up. When set to Auto, the computer automatically determines the display device. If

Chapter 2 37Advanced InformationThe Advanced Information screen contains parameter values that define how your computer behaves on system startup.The

38 OpenBook 1849Primary MasterThe Primary Master sub-menu contains parameters related to the primary hard disk.CAUTION: The parameters in this screen

Chapter 2 39LBA Mode Control Enabling LBA causes Logical Block Adddressing to be used in place of Cylinders, Heads and Sectors.EnabledDisabled32 Bit I

40 OpenBook 1849Secondary MasterThe Secondary Master sub-menu contains parameters related to the Media bay drive.CAUTION: The parameters in this scre

Chapter 2 41LBA Mode Control Enabling LBA causes Logical Block Adddressing to be used in place of Cylinders, Heads and Sectors.DisabledEnabled32 Bit I

VPrefaceBefore using this information and the product it supports, please read the following general information.1.This Service Guide provides you wit

42 OpenBook 1849Onboard Device ConfigurationThe parameters in this screen are for advanced users only. You do not need to change the values in this sc

Chapter 2 43Base I/O Address Set the base I/O address for the FIR operation.2F83F82E8Interrupt Set the interrupt for the Com operation.IRQ 3IRQ 4DMA C

44 OpenBook 1849System SecurityThe System Security screen contains parameters that help safeguard and protect your computer from unauthorized use.The

Chapter 2 45Setting a PasswordFollow these steps: 1.Use the cursor w/y keys to highlight a Password parameter (Supervisor Password, User Password, or

46 OpenBook 1849Removing a PasswordShould you want to remove a password, do the following:1.Use the cursor up/ down keys to highlight a password param

Chapter 2 474.Press e. Retype the password to verify your first entry and press e.5.Press ^ to return to the main menu.6.Press u. The following dialog

48 OpenBook 1849Boot OptionsUsers can press F12 during POST to enter the Boot Options Menu. In this menu users can change boot device without entering

Chapter 2 49Exit SetupThis menu contains exit options.The following table describes the parameters in this screen. Setting in boldface are the default

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Chapter 3 51This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting.To disassemb

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52 OpenBook 1849General InformationBefore You BeginBefore proceeding with the disassembly procedure, make sure that you do the following:1.Turn off th

Chapter 3 53Disassembly Procedure FlowchartThe flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence

54 OpenBook 1849.Screw ListItem DescriptionA SCREW M2XL3 (BLACK)B SCREW M2XL4 (BLACK)C SCREW M2.5XL4 (SILVER)D SCREW M2.5XL3 (SILVER)E SCREW M3XL4 (S

Chapter 3 55Removing the Battery1.Push the battery release button in the arrow direction and push the battery outward from the main unit.2.Remove the

56 OpenBook 1849Removing the Hard Diskette Drive Module1.See “Removing the Battery” on page 552.Pull the plastic tag to detach the HDD module as shown

Chapter 3 57Removing the External DIMM Module1.See “Removing the Battery” on page 552.Remove the two screws on the DIMM cover, then remove the DIMM co

58 OpenBook 1849Removing the Modem Board1.See “Removing the Battery” on page 552.Remove the one screw and then lift up the modem cover.3.Remove the tw

Chapter 3 59Removing the Optical Drive Module1.See “Removing the Battery” on page 552.Remove the one screw, use plastic flat tip tweezers to push the

60 OpenBook 1849Disassembling the Main UnitRemoving the Hinge Caps1.See “Removing the Battery” on page 552.Adjust the LCD module to 45 degrees as show

Chapter 3 614.Turn the middle over and put it on the keyboard. Disconnect the launch board cable from the middle cover.5.Remove the middle cover from

VIITable of ContentsChapter 1 System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

62 OpenBook 18495.Lift the keyboard up and put it on the upper case.6. Disconnect the keyboard cable from the main board by using tweezers.7. Remove t

Chapter 3 63.7.Remove the two screws and detach the left antenna.8.Remove the two screws and detach the right antenna.NOTE: 1. When attaching the ant

64 OpenBook 1849Removing the Big Keyboard Support Bracket1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “Remov

Chapter 3 65Removing the Wireless LAN Board1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “Removing the Middle

66 OpenBook 18496.Then release the LCD coaxial cable7.Remove the four screws as shown.8.Remove the two screws from the bottom of the unit.9.Lift up an

Chapter 3 67 Separating the Upper Case from the Lower Case1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “Remo

68 OpenBook 1849 7.Disconnect the fan cable from the main board, remove the four screws on the CPU heat sink, and then remove the CPU heat sink from t

Chapter 3 69Removing the HDD Guiding Chassis1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “Removing the Middl

70 OpenBook 1849Removing the CPU Thermal Plate1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “Removing the Mid

Chapter 3 71Removing the 2nd Fan Support Bracket1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “Removing the M

VIII OpenBook 1849Table of ContentsRemoving the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Separating the

72 OpenBook 18494.See “Removing the Middle Cover” on page 605.See “Removing the Keyboard Metal Bracket” on page 616.See “Removing the Keyboard” on pag

Chapter 3 7317.Disconnect the modem cable from the main board.Removing the Cover Switch Cable1.See “Removing the Battery” on page 552.See “Removing th

74 OpenBook 184915.Remove the two screws, and detach the DC charger board from the lower case.Removing the PCMCIA Slot1.See “Removing the Battery” on

Chapter 3 75Disassembling the LCD ModuleRemoving the LCD Bezel1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “

76 OpenBook 1849Removing the Inverter Board1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “Removing the Middle

Chapter 3 779.Remove the eight screws and then detach the LCD brackets from the LCD.Removing the LCD Hinges1.See “Removing the Battery” on page 552.Se

78 OpenBook 1849Removing the LCD Coaxial Cable1.See “Removing the Battery” on page 552.See “Removing the Hinge Caps” on page 603.See “Removing the Mid

Chapter 4 79Use the following procedure as a guide for computer problems.NOTE: The diagnostic tests are intended to test only our company’s products.

80 OpenBook 1849Phoenix BIOS Error Code MessagesThe following are the list of messages that Phoenix BIOs can display. Most of them occur during POST.

Chapter 4 8102B0 Diskette Drive A Error Drive A: or B: is present but fails the BIOS POST diskette tests. Check to see that drive is defined with the

Chapter 1 1 FeaturesThis computer was designed with the user in mind. Here are just a few of its many features:PerformanceTIntelR PentiumR 4 processo

82 OpenBook 1849Press <F2> to Setup, <F12> for Boot MenuPress <F2> to Setup, for previousDisplayed after any recoverable error messa

Chapter 4 83Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. The most likely ca

84 OpenBook 1849Memory size found by POST differed from CMOSRun “Load Default Settings” in BIOS Setup Utility.DIMMMain BoardDiskette drive A error Che

Chapter 4 85Index of Symptom-to-FRU Error MessageError Message ListNo beep Error Messages FRU/Action in SequenceNo beep, power-on indicator turns off

86 OpenBook 1849Indicator-Related SymptomsSymptom / Error Action in SequenceIndicator incorrectly remains off or on, but system runs correctlyReconnec

Chapter 4 87The system doesn't enter hibernation mode and four short beeps every minute.Press Fn+m and see if the computer enters hibernation mod

88 OpenBook 1849NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 89.Touchpad d

Chapter 4 89Intermittent ProblemsIntermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defec

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Chapter 5 91Top ViewPCB 03217-11 HDD1 Hard Diskette Drive connector15 CRT1 External monitor port2 KB1 Keyboard connector 16 TV1 TV-out connector3 SPK1