Toshiba satellite l10 Service Manual

4.3 (3)

TOSHIBA

TOSHIBA NOTEBOOK

Maintenance Manual (960-Q01)

Satellite L10

[CONFIDENTIAL]

Contents:

1.

Chapter 1

Hardware Overview ...........................

1-1

2.

Chapter 2

Troubleshooting Procedures...............

2-1

3.

Chapter 3

Test Program for Field........................

3-1

4.

Chapter 4

Replacement Procedures.....................

4-1

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Chapter 1

Hardware Overview

[CONFIDENTAIL]

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Satellite L10 Maintenance Manual(960-Q01)

Chapter 1

Contents

 

1.1

Features......................................................................................................................

 

1-1

1.2

System Block Diagram ..............................................................................................

1-5

1.3

2.5-inch Hard Disk Drive.........................................................................................

1-10

1.4

Optical Drive............................................................................................................

1-12

 

1.4.1 DVD-ROM & CD-R/RW Drive ........................................................

1-12

 

1.4.2 DVD Super Multi Drive.....................................................................

1-15

1.5

Keyboard..................................................................................................................

 

1-17

1.6

TFT Color Display...................................................................................................

1-18

 

1.6.1

LCD Module ......................................................................................

1-18

 

1.6.2

FL Inverter Board...............................................................................

1-19

1.7

Power Supply...........................................................................................................

1-20

1.8

Batteries ...................................................................................................................

 

1-22

 

1.8.1

Main Battery.......................................................................................

1-22

 

1.8.2

Battery Charging Control ...................................................................

1-23

 

1.8.3

RTC battery ........................................................................................

1-24

1.9

AC Adapter ..............................................................................................................

 

1-25

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1-iii

Figures

 

 

Figure 1-1

Front of the computer and the system units configuration

............................1-5

Figure 1-2

System block diagram....................................................................................

1-6

Figure 1-3

2.5-inch HDD...............................................................................................

1-10

Figure 1-4

DVD-ROM & CD-R/RW drive...................................................................

1-12

Figure 1-5

DVD Super Muti drive.................................................................................

1-15

Figure 1-6

Keyboard......................................................................................................

1-17

Figure 1-7

LCD module.................................................................................................

1-18

Tables

 

 

Table 1-1

2.5-inch HDD dimensions ...........................................................................

1-10

Table 1-2

2.5-inch HDD specifications........................................................................

1-11

Table 1-3

DVD-ROM & CD-R/RW drive outline dimensions....................................

1-12

Table 1-4

DVD-ROM & CD-R/RW drive specifications............................................

1-13

Table 1-5

DVD Super Multi drive outline dimensions ................................................

1-15

Table 1-6

DVD Super Multi drive specifications ........................................................

1-16

Table 1-7

LCD module specifications..........................................................................

1-18

Table 1-8

FL inverter board specifications ..................................................................

1-19

Table 1-9

Power supply output rating ..........................................................................

1-21

Table 1-10

Battery specifications...................................................................................

1-22

Table 1-11

Time required for charges of main battery ..................................................

1-23

Table 1-12

Data preservation time .................................................................................

1-23

Table 1-13

Time required for charges of RTC battery...................................................

1-24

Table 1-14

AC adapter specifications ............................................................................

1-25

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Satellite L10 Maintenance Manual(960-Q01)

Chapter 1 Hardware Overview

1.1Features

The Satellite L10 series are 2 spindle PCs running a Intel ® Celeron®-M processor and Intel . Intel ® Mobile Pentium ®-M

The features are listed below.

Microprocessor

Microprocessor that is used will be different of the model.

If North Bridge is 852GM , it supports Celeron-M as follows

Intel ® Celeron ®-M

350 (1.30GHz)

 

360 (1.40GHz)

 

370 (1.50GHz)

L1 cache : 64KB (32KB + 32KB)

L2 cache : 1MB

If North Bridge is 855GME, it supports Pentium-M as follows

Intel ® Mobile Pentium ®-M

Pentium-M 1.60GHz (Processor Number ; 725)

1.70GHz (Processor Number ; 735)

1.80GHz (Processor Number ; 745)

2.00GHz (Processor Number ; 755)

2.10GHz (Processor Number ; 765)

L1 cache : 64KB (32KB + 32KB)

L2 cache : 2MB

Memory

If North Bridge is 852GM then

Two DDR266 SO-DIMM slots. Memory modules can be installed to provide a maximum of 1GB. Memory modules are available in 256MB and 512MB sizes.

If North Bridge is 855GME then

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Chapter 1 Hardware Overview

Two DDR333 SO-DIMM slots. Memory modules can be installed to provide a maximum of 2GB. Memory modules are available in 256MB 512MB and 1GB sizes.

VRAM

Shared with System RAM.

HDD

Double (or single) 40GB, 60GB and 80GB internal drives. 2.5 inch x 9.5mm height.

USB FDD (Option)

USB FDD supports 720KB and 1.44MB.

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Chapter 1 Hardware Overview

Display

LCD

Built-in 15.0-inch, XGA (1024 x 768 dots), 262,144 colors, amorphous silicon TFT color display.

CRT

Supported via a RGB connector.

TV-out

S-VIDEO OUT port supported.

Keyboard

An-easy-to-use 84(US)/85(Euro)-key keyboard provides a numeric keypad overlay for fast numeric data entry . The keyboard also includes two keys that have special functions in Microsoft® Windows® XP. It supports software that uses a 101or 102key enhanced keyboard.

PC card slot

The PC card slot (PCMCIA) accommodates one 5mm Type II card. The slot support 16-bit PC cards and Card Bus PC cards. CardBus supports 32-bit PC cards.

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Chapter 1 Hardware Overview

Optical devices

A DVD-ROM & CD-R/RW drive or DVD Super Multi drive is equipped.

Battery

The RTC battery is equipped inside the computer.

The main battery is a detachable lithium ion battery (4,300mAh:Li-Ion, 8cell).

USB (Universal Serial Bus)

Three USB ports are provided. The ports comply with the USB2.0 standard, which enables data transfer speeds 40 times faster than USB1.1 standard. USB1.1 is also supported.

Sound system

An internal stereo speaker, external monaural microphone connector, stereo headphone connector is also equipped.

Wireless LAN (Mini PCI slot) (BTO)

The wireless LAN is equipped on the mini PCI slot.

LAN/MODEM

Connectors for LAN and Modem are separately mounted.

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Chapter 1 Hardware Overview

Figure 1-1 Front of the computer and the system units configuration

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Toshiba satellite l10 Service Manual

Chapter 1 Hardware Overview

1.2System Block Diagram

Figure 1-2 shows the system block diagram.

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Chapter 1 Hardware Overview

Figure 1-2 System block diagram for 852GM/855GME Platform

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Chapter 1 Hardware Overview

The PC contains the following components.

CPU

If the north bridge is 852GM , it supports Celeron-M CPU as follows

Intel ® Celeron ®-M

350 (1.30GHz)

 

360 (1.40GHz)

 

370 (1.50GHz)

L1 cache : 64KB (32KB + 32KB)

L2 cache : 1MB

 

FSB : 400MHz

Core voltage : 1.26V

If the North Bridge is 855GME , It supports Pentium-M CPU as follows

Intel ® Mobile Pentium ®-M

Pentium-M 1.60GHz (Processor Number ; 725)

1.70GHz (Processor Number ; 735)

1.80GHz (Processor Number ; 745)

2.00GHz (Processor Number ; 755)

2.10GHz (Processor Number ; 765)

L1 cache : 64KB (32KB + 32KB)

L2 cache : 2MB

FSB : 400MHz Core voltage : 1.340~0.748V

Memory

If North Bridge is 852GM

Two memory slots capable of accepting DDR-SDRAM 256MB, or 512MB memory modules for a maximum of 1GB.

200-pin SO-DIMM

2.5V operation

PC2100 support

If North Bridge is 855GME

Two memory slots capable of accepting DDR-SDRAM 256MB, 512MB or 1GB memory modules for a maximum of 2GB.

200-pin SO-DIMM

2.5V operation

PC2100 support

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BIOS ROM (Flash memory)

4Mbit (512K×8-bit chip)

Chipset

This gate array has the following elements and functions.

North Bridge (Intel 852GM (GMCH, B-step))

Celeron-M processor System Bus support

DRAM Controller : DDR266/DDR200 support

Hub Link Interface

732-ball 37.5mmx37.5mm Mirco FC-BGA Package

Or North Bridge (Intel 855GME (GMCH, B-step))

Pentium-M processor System Bus support

DRAM Controller : DDR333 support

Hub Link Interface

732-ball 37.5mmx37.5mm Mirco FC-BGA Package

South Bridge (Intel 82801DBM (ICH4-M))

PCI slot

IDE controller

DMA controller

USB host interface

USB 2.0 host controller

UHCI host controller

Interrupt controller

SM Bus interface

ACPI Power management

Firmware Hub interface

Low Pin count (LPC) interface

Real time clock

AC’97 Rev. 2.3 interface

Alert ON LAN (AOL)

421-pin 31mmx31mm BGA Package

PC card controller (PCI1410, Texas Instrument-made)

PCI Interface (PCI Rev. 2.3)

PC Card Controller

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Chapter 1 Hardware Overview

VGA controller

Intel VGA

VRAM 16MB/32MB/64MB

LVDS

Other main system chips

Clock Generator (ICS-made ICS950810 x 1)

EC/KBC (NS97551 x 1)

AC97-CODEC (Conexant 20468-31 x1)

Audio AMP (Maxim 9750x1)

TV Encoder (Chrontel CH7011A)

Mini PCI

Wireless LAN card (BTO)

2.4GHz DSSS/OFDM LAN card is equipped. Conformity with IEEE 802.11b/g . Transfer speed is maximum of 54Mbit/sec. Supports 128bit WEP.

LAN (Realtek RT8100CL x 1)

Controls LAN.

Supports 100Base-TX and 10Base-T.

MODEM (Conexant x 1)

Supported by on board Modem + DAA daughter card. Data and FAX transmission is available.

Supports ITU-TV.90.

The transfer speed of data receiving is 56kbps, of data sending is 33.6kbps and of FAX is 14.4kbps. Actual speed depends on the quality of the line used. Connected to telephone line through RJ11 MODEM jack.

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Chapter 1 Hardware Overview

1.32.5-inch Hard Disk Drive

A compact, high-capacity HDD with a height of 9.5mm. Contains a 2.5-inch magnetic disk and magnetic heads.

Figure 1-3 shows a view of the 2.5-inch HDD and Tables 1-1 and 1-2 list the specifications.

Figure 1-3 2.5-inch HDD

Table 1-1 2.5-inch HDD dimensions

Parameter

 

Standard value

TOSHIBA

 

TOSHIBA

 

 

MK4025GAS

 

MK6025GAS

 

Width (mm)

 

69.85

 

 

 

 

Outline

Height (mm)

 

9.5

dimensions

 

 

 

Depth (mm)

 

100.0

 

 

 

 

 

 

Weight (g)

94 (typ.) / 95 (max.)

 

94 (typ.) / 99 (max.)

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Chapter 1 Hardware Overview

Table 1-2

2.5-inch HDD Specifications

 

 

 

 

 

 

 

 

Specification

 

 

 

 

 

Parameter

 

TOSHIBA

 

TOSHIBA

 

MK4025GAS

 

MK6025GAS

 

 

 

Storage size (formatted)

 

40GB

 

60GB

 

 

 

 

 

Speed (RPM)

 

 

4,200

Data transfer speed

 

175.0 ~ 341.7

 

201.6 ~ 307.5

(Mbits/s)

 

 

 

 

 

 

Interface transfer rate

 

100 (Ultra DMA Mode)

(MB/s)

 

 

 

 

 

 

 

 

 

 

Storage density (Kbpi)

 

735 (max.)

 

658 (max.)

 

 

 

 

 

Track density (Ktpi)

 

88.1

 

88.1

 

 

 

 

 

Average random seek time

 

 

12

(read) (ms)

 

 

 

 

 

 

Average random seek time

 

 

-

(write) (ms)

 

 

 

 

 

 

 

 

 

 

Power-on-to-ready (sec)

 

 

4 (typ.) / 10 (max.)

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Chapter 1 Hardware Overview

1.4Optical Drive

1.4.1 DVD-ROM & CD-R/RW Drive

The DVD-ROM & CD-R/RW drive accommodates either 12 cm (4.72-inch) or 8 cm (3.15inch) CD/DVD-ROM and CD-R/RW. It is a high-performance drive that reads DVD at maximum 8-speed and CD at maximum 24-speed.

The DVD-ROM & CD-R/RW drive is shown in Figure 1-4. The dimensions and specifications of the DVD-ROM & CD-R/RW drive are described in Table 1-3, Table 1-4.

Figure 1-4 DVD-ROM & CD-R/RW drive

Table 1-3 DVD-ROM & CD-R/RW drive outline dimensions

Parameter

Standard value

 

 

 

 

 

 

 

Maker

MATSUSHITA

 

TOSHIBA

 

(UJDA760TT-A)

 

(TS-L462A)

 

 

 

Outline

Width (mm)

128

 

 

dimensions

Height (mm)

12.7 (excluding projections)

 

Depth (mm)

129

 

127

 

 

 

 

 

 

Mass (g)

190±10

 

180

 

 

 

 

 

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Chapter 1 Hardware Overview

Table 1-4 DVD-ROM & CD-R/RW drive specifications (1/2)

Parameter

Drive Specification

 

MATSUSHITA (UJDA760TT-A)

 

 

 

 

 

 

Read (KB/s)

DVD-ROM MAX 8X CAV (MAX 10800 KB/s)

 

DVD-R MAX 4X CAV (MAX 5400 KB/s)

 

 

CD-ROM MAX 24X CAV (MAX 3600 KB/s)

 

 

 

Data transfer

 

CD-R 4X,8X(CLV), 16X(PCAV), MAX24x(CAV)

Write

CD-RW 4X (CLV)

speed

High Speed CD-RW 4X,8X,10X (CLV)

 

 

 

Ultra Speed CD-RW 10X(CLV), Max24X(CAV)

 

 

 

 

ATAPI interface

PIO Mode4 (MAX 16.6 MB/s)

 

DMA Multiword Mode2 (MAX 16.6 MB/s)

 

(MB/s)

 

Ultra DMA Mode2 (MAX 33.3 MB/s)

 

 

 

 

 

Access time

CD-ROM

150ms

(ms) (Random)

DVD-ROM

180ms

 

 

 

 

Buffer memory

2MB

 

 

 

 

 

CD-DA,CD-ROM,CD-ROM XA

 

CD

CD-R,CD-RW

 

Photo CD

 

 

Supported disk

 

CD-Extra(CD+),CD-text

 

 

 

DVD-ROM,DVD-Video

format

 

 

DVD

DVD-RAM(2.6GB/4.7GB)

 

DVD-R (DVD-R Multi Boarder supported)

 

 

DVD-RW(Ver.1.1)

 

 

DVD+R, DVD+RW (Support Multi Session)

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Table 1-4 DVD-ROM & CD-R/RW drive specifications (2/2)

Parameter

Drive Specification

 

TOSHIBA (TS-L462A)

 

 

 

 

 

 

 

CD-ROM,CD-RW MAX 24X CAV (MAX 3,600KB/s)

 

Read (KB/s)

DVD-ROM MAX 8X CAV (MAX 10800KB/s)

 

DVD±R,DVD±RW MAX 6X (MAX 8100 KB/s)

 

 

 

 

DVD-RAM MAX 4X CAV (MAX 5400KB/s)

 

 

 

Data transfer

 

CD-R MAX 24X (P-CAV)

speed

Write

CD-RW 4X (CLV)

 

High Speed CD-RW 4X,10X (CLV)

 

 

 

 

Ultra Speed CD-RW 24X (P-CAV)

 

 

 

 

ATAPI interface

PIO Mode4 (MAX 16.7 MB/s)

 

DMA Multiword Mode2 (MAX 16.7 MB/s)

 

(MB/s)

 

Ultra DMA Mode2 (MAX 33.3 MB/s)

 

 

 

 

 

Access time

CD-ROM

130ms (typ.) / 160ms (max.)

(ms) (Random)

DVD-ROM

130ms (typ.) / 160ms (max.)

 

 

 

 

Buffer memory

2MB

 

 

 

 

CD

CD-ROM Mode1&2S

 

CD-ROM XA Modo2 (Form1&2)

 

 

CD-DA, CD-I, CD-Extra/CD-Plus, Video-CD

 

 

 

Supported disk

 

DVD-ROM

format

 

DVD Video

 

DVD

DVD-R (General, Authoring)

 

DVD-RW (Single/Multi-boarder, Packet)

 

 

 

 

DVD-RAM

 

 

DVD+R/RW

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Chapter 1 Hardware Overview

1.4.2 DVD Super Multi Drive

The DVD Super Multi drive accommodates either 12 cm (4.72-inch) or 8 cm (3.15-inch) CD/DVD-ROM, CD-R/RW, DVD±R/±RW and DVD-RAM. It is a high-performance drive that reads DVD-ROM at maximum 8-speed and CD at maximum 24-speed. Write speed of DVD±R/±RW and DVD-RAM is different depending on the drive.

The DVD Super Multi drive is shown in Figure 1-5. The dimensions and specifications of the DVD Super Multi drive are described in Table 1-5, Table 1-6.

Figure 1-5 DVD Super Multi drive

Table 1-5 DVD Super Multi drive outline dimensions

 

Parameter

Standard value

 

 

Maker

MATSUSHITA

 

 

(UJ-830BTQ-A)

 

 

 

Outline

 

Width (mm)

128

 

 

 

dimensions

Height (mm)

12.7

 

 

 

 

 

 

Depth (mm)

129.0

 

 

 

 

 

 

Mass (g)

210±10

 

 

 

 

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Table 1-6 DVD Super Multi drive specifications (1/1)

Parameter

Drive Specification

 

MATSUSHITA (UJ-830BTQ-A)

 

 

 

 

 

 

Read(KB/s)

DVD-ROM MAX 8X CAV

 

CD-ROM MAX 24X CAV

 

 

 

 

 

 

 

CD-R MAX 24X (Zone CLV)

 

 

CD-RW 4X (CLV)

 

 

High Speed CD-RW 10X (CLV)

Data transfer

Write

Ultra Speed CD-RW 10X (CLV)

DVD-R MAX 8X (Zone CLV)

speed

 

DVD-RW MAX 4X (Zone CLV)

 

 

 

 

DVD+R MAX 8X (Zone CLV)

 

 

DVD+RW MAX 4X (Zone CLV)

 

 

DVD-RAM 3X (ZCLV) (4.7GB)

 

 

 

 

ATAPI interface

PIO Mode4 (MAX 16.6 MB/s)

 

DMA Multiword Mode2 (MAX 16.6 MB/s)

 

(MB/s)

 

Ultra DMA Mode2 (MAX 33.3 MB/s)

 

 

 

 

 

Access time

CD-ROM

150 (Random)

(ms)

DVD-ROM

180 (Random)

 

 

 

 

Buffer memory

2MB

 

 

 

 

CD

CD-DA, CD-ROM, Video CD

 

CD-ROM XA, Photo CD

Supported disk

 

CD-Extra(CD+),CD-text

 

DVD-ROM

format

 

 

DVD

DVD-R, DVD-RW (Ver1.1)

 

DVD+R/+RW, DVD Video,

 

 

 

 

DVD-RAM (2.6GB(read only)/4.7GB)

 

 

 

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Chapter 1 Hardware Overview

1.5Keyboard

A keyboard which consists of 84(US)/85(Euro) keys is mounted on the system unit. The keyboard is connected to membrane connector on the system board and controlled by the keyboard controller.

Figure 1-6 is a view of the keyboard.

Figure 1-6 Keyboard

See Appendix E for details of the keyboard layout.

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Chapter 1 Hardware Overview

1.6TFT Color Display

The TFT color display is 15.0 inch and consists of LCD module and FL inverter board.

1.6.1 LCD Module

The LCD module used for the TFT color display uses a backlight as the light source and can display a maximum of 262,144 colors with 1,024 x 768 resolution.

Figure 1-8 shows a view of the LCD module and Table 1-9 lists the specifications.

Figure 1-7 LCD module

Table 1-7 LCD module specifications

 

 

Specifications

 

Item

 

 

 

LG-Philips

CPT

AU

 

 

LP150X08

CLAA150XH01

B150XG01V.2

 

 

 

 

Number of Dots

 

1,024(W) × 768(H)

 

 

 

 

 

Dot spacing (mm)

 

0.297(H)× 0.297(V)

 

 

 

 

 

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Chapter 1 Hardware Overview

1.6.2 FL Inverter Board

The FL inverter board supplies a high frequency current to illuminate the LCD module FL.

Table 1-10 lists the FL inverter board specifications.

Table 1-8 FL inverter board specifications

 

 

 

Specifications

 

 

Item

 

 

 

 

PI

DELTA

SUMIDA

 

 

FL9030

DAC-08N009

IV002

Input

Voltage (V)

8 ~ 20

8 ~ 20

7.5 ~ 21

 

 

 

 

 

 

Power (W)

 

5

 

 

 

 

 

 

 

Voltage (Vrms)

1500

1400 ~ 1800

1500 ~ 1900

 

 

Output

 

 

 

 

Current (f=55KHz)

 

6

 

 

 

 

 

(mArms)

 

 

 

 

 

 

 

 

 

 

 

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1.7Power Supply

The power supply supplies 23 different voltages to the system board.

The power supply microcontroller has the following functions.

1.Judges if the DC power supply (AC adapter) is connected to the computer.

2.Detects DC output and circuit malfunctions.

3.Controls the battery icon, and DC IN icon.

4.Turns the battery charging system on and off and detects a fully charged battery.

5.Turns the power supply on and off.

6.Provides more accurate detection of a low battery.

7.Calculates the remaining battery capacity.

8.Controls the transmission of the status signal of the main battery.

Table 1-11 lists the power supply output specifications.

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Chapter 1 Hardware Overview

 

 

Table 1-9

Power supply output rating

 

 

 

 

 

 

 

 

 

Name

 

 

 

Power supply

Yes/No

 

 

 

 

 

 

 

 

Voltage

Power OFF

 

Power OFF

 

 

No

Object

 

 

 

 

[V]

Suspend mode

 

Boot mode

 

 

Battery

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC_CORE

1.484 -

No

 

No

 

 

No

CPU

0.748

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VTT

1.05

No

 

No

 

 

No

CPU, GMCH, ICH4-M

 

 

 

 

 

 

 

 

+1.8V

1.8

No

 

No

 

 

No

CPU

 

 

 

 

 

 

 

 

1.2VCCT

1.35

No

 

No

 

 

No

GMCH

 

 

 

 

 

 

 

 

 

SMDDR_VTE

1.25

Yes

 

No

 

 

No

DDR-SDRAM Termination

RM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+1.5V

1.5

No

 

No

 

 

No

GMCH, ICH4-M, TV Encoder

 

 

 

 

 

 

 

 

1.5V_S5

1.5

Yes

 

Yes

 

 

No

ICH4-M

 

 

 

 

 

 

 

 

2.5VSUS

2.5

Yes

 

No

 

 

No

GMCH, DDR-SDRAM

 

 

 

 

 

 

 

 

BT_POWER

3.3

No

 

No

 

 

No

Bluetooth

 

 

 

 

 

 

 

 

USBPWR2

5

Yes

 

No

 

 

No

USB

 

 

 

 

 

 

 

 

USBPWR3

5

Yes

 

No

 

 

No

USB

 

 

 

 

 

 

 

 

USBPWR5

5

Yes

 

No

 

 

No

USB

 

 

 

 

 

 

 

 

+3VA

3.3

No

 

No

 

 

No

Audio Codec

 

 

 

 

 

 

 

 

AVDD

5

No

 

No

 

 

No

MAX9755

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clock Generator,

 

 

 

 

 

 

 

 

Thermal Sensor, Mini-PCI,

+3V

3.3

No

 

No

 

No

SDRAM(SPD), GMCH, ICH4-M,

 

 

 

 

 

 

 

 

FWH, LAN, TV Encoder, LCD,

 

 

 

 

 

 

 

 

PCMCIA, EC, LED

+5V

5

No

 

No

 

 

No

Mini-PCI, HDD, ODD, TP,

 

 

ICH4-M, CRT, PCMCIA, FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3VSUS

3.3

Yes

 

No

 

 

No

Card Cont, Mini-PCI, MDC

 

 

 

 

 

 

 

 

5VSUS

5

Yes

 

No

 

 

No

PC-Card, USB

 

 

 

 

 

 

 

 

3V_S5

3.3

Yes

 

Yes

 

 

No

ICH4-M

 

 

 

 

 

 

 

 

5V_S5

5

Yes

 

Yes

 

 

No

ICH4-M

 

 

 

 

 

 

 

 

3V_ALWAYS

3.3

Yes

 

Yes

 

 

No

EC/KBC

 

 

 

 

 

 

 

 

5VPCU

5

Yes

 

Yes

 

 

No

EC/KBC, System LED

 

 

 

 

 

 

 

 

VCCRTC

2.0 -3.6

Yes

 

Yes

 

 

Yes

ICH4-M (RTC)

 

 

 

 

 

 

 

 

 

1-22

[CONFIDENTIAL]

Satellite L10 Maintenance Manual (960-Q01)

Chapter 1 Hardware Overview

1.8Batteries

The PC has the following two batteries.

Main battery

Real time clock (RTC) battery

Table 1-12 lists the specifications for these two batteries.

Table 1-70 Battery specifications

Battery Name

Battery Element

Output Voltage

Capacity

 

 

 

 

 

 

Panasonic

 

14.4V

4,300mAh

 

CGR-B/8B9BE

 

 

 

 

 

Main battery

 

Lithium ion

 

 

Simplo

14.8V

4,400mAh

 

 

 

916-4050

 

 

 

 

 

 

 

 

 

 

Real time clock

ML1220EI2

Nickel hydrogen

3V

14mAh

(RTC) battery

 

 

 

 

1.8.1 Main Battery

The main battery is the primary power supply for the computer when the AC adapter is not connected. In Standby, the main battery maintains the current status of the computer.

Satellite L10 Maintenance Manual(960-Q01)

[CONFIDENTIAL]

1-23

Chapter 1 Hardware Overview

1.8.2 Battery Charging Control

Battery charging is controlled by a power supply microprocessor. The power supply microprocessor controls power supply and detects a full charge when the AC adaptor and battery are connected to the computer.

Battery Charge

When the AC adapter is connected, normal charging is used while the system is turned on and quick charge is used while the system is turned off. Refer to the following Table 1-11.

Table 1-81 Time required for charges of main battery

Condition

Charging Time

 

 

Power On Charge

About 6 hours

 

 

Power Off Charge

About 3 hours

 

 

Charge is stopped in the following cases.

1.The main battery is fully charged

2.The main battery is removed

3.Main battery or AC adapter voltage is abnormal

4.Charging current is abnormal

Data preservation time

When turning off the power in being charged fully, the preservation time is as following Table 1-12.

Table 1-12 Data preservation time

Condition

preservation time

 

 

Standby

About 3 days

 

 

Hibernation

About 1 month

 

 

1-24

[CONFIDENTIAL]

Satellite L10 Maintenance Manual (960-Q01)

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