System Block Diagram

Audio

Amplifier

TPA0212

SYSTEM BLOCK DIAGRAM

Processor ( Socket A )

Host Bus

CRT

Twister-K NB VT8362 SAVAGE4

Super SB VIA

VT8231

SmartAMC (20468-21)

MODEM DAA

SMARTDAA (20463-11)

LSI 80227

Floppy

EC/KBC PC87570

REQ/GNTl

PCMCIA OZ6912

BIOS

Keyboard

SO-

DIMM

SO-

DIMM

THERMAL SENSOR

DC/DC

Max1632,Max1717

CS9248-168-I SSOP

LVDS

PCI BUS

REQ/GNT4

CD-ROM

Parallel

Slot0

AC'97 Link

Board Layout

Top View

Aspire 4520 Power Board Diagram
22 21 20

1

Parallel Port

17

Touchpad FFC Connector

2

LCD Cable Connector

18

HDD Connector

3

Power On Switch

19

Battery Connector

4

E-mail launch button

20

Right Speaker Connector

5

VGA Port

21

EC/KBC 87570

6

Internet launch button

22

On Board Modem module

7

Launch Manager (User Define 1)

23

FDD FPC Connector

8

Launch Manager (User Define 2)

24

Left Speaker Connector

9

Lid closeSwitch

25

Audio Decode SmartAMC (20468-21)

10

USB Portx2

26

Carbus Socket

11

Adapter Connector

27

BIOS Socket

12

CPU Socket

28

FAN connector

13 North Bridge VT8362 29 Headphone Jack

14 RTC Battery Socket 30 Microphone-in Jack

15 Keyboard FFC connector 31 LAN Connector

16 CD/DVD-ROM Module Connector 32 Modem Connector

Bottom View

Diagrama Jack Aspire 3680
8 7

1

LAN PHY LSI-80227

7

On Board Modem Module

2

Modem Cable Connector

8

Modem DAA SMARTDAA

3

Debug Port Connector

9

DIMM Socket 2

4

PCMCIA OZ6912

10

DIMM Socket 1

5

South Bridge VT8231

11

System-off Switch

6

Modem Cable Connector

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