Acer Aspire 4520G Service Guide - Page 11

System Block Diagram

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System Block Diagram MONO SYSTEM BLOCK DIAGRAM TV-OUT 3 TFT LCD Panel WXGA 3 CRT 3 INT or EV selector Resistor 3 LVDS TV-out CRT MXM 3 HDD (SATA) 3 ODD (PATA) 3 AMD S1g1 uFCPGA638 CPU Thermal Sensor 3 CPU Fan 3 Turion 64 Dual-Core/ Sempron Single-Core 3 HT LINK PCI-Express 16X TV-out LVDS VGA n-Vidia MCP67 Dual Channel DDR2 533/667 MHz USB 2.0 Bluetooth 3 USB Port x 4 3 CCD 3 DDRII SO-DIMM 0 SO-DIMM 1 3 SATA0 PATA Azalia 3 PCI-Express LCI PCI Bus X'TAL24.576MHZ X'TAL 32.768KHZ USB Mini Card / WLAN 3 Int MIC 1394 +Cardreader LPC Controller Audio Amplifier 3 Azalia AudioController RealTek ALC268 3 MIC Jack 3 Line in 3 Connector Speaker 3 Phone Jack 3 MDC 1.5 3 X'TAL 32.768K EC (WPC8769LDG) 3 SPI ROM 3 Touch Pad 3 Ricoh R5C833 3 IEEE 1394 Port 3 Media Card Reader 3 VCORE(ISL6262A) 3 +2.5V/ +1.25VM/ +1.25V/ +1.5V SMDDR_VREF/ SMDDR_VTERM 5V/3.3V (TPS51120) VGA-Core (MAX 1993) +1.2V 3 3 DISCHARGE 3 BATTERY SELECT 3 +1.8V BATTERYCHARGER (ISL6251) 3 3 New Card 3 PCIE-6 X'TAL 25M LAN PHY Realtek RTL8211B 3 Transformer 3 RJ45/11 3 Keyboard 3 Chapter 1 5

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Chapter 1
5
System Block Diagram
CRT
Azalia
PCI Bus
ODD (PATA)
3
3
MDC 1.5
TFT LCD Panel
3
X'TAL
32.768K
1394 +Cardreader
Controller
TV-OUT
3
3
3
Speaker
3
PATA
Mini Card /
WLAN
IEEE 1394 Port
X'TAL
32.768KHZ
Audio Amplifier
PCI-Express
533/667 MHz
CPU Fan
3
USB Port x 4
LVDS
3
EC (WPC8769LDG)
VGA
LPC
MONO SYSTEM BLOCK DIAGRAM
DDRII
SO-DIMM 0
SO-DIMM 1
Phone Jack
3
AMD S1g1
uFCPGA638
Line in
USB 2.0
Dual Channel DDR2
3
3
HDD (SATA)
3
Thermal Sensor
3
Azalia AudioController
RealTek ALC268
SPI ROM
MIC Jack
WXGA
Media Card Reader
Touch Pad
X'TAL24.576MHZ
3
CCD
3
LAN PHY
Realtek RTL8211B
X'TAL
25M
3
Bluetooth
USB
3
Connector
Int MIC
SATA0
n-Vidia
MCP67
HT LINK
CPU
Keyboard
+2.5V/ +1.25VM/ +1.25V/ +1.5V
SMDDR_VREF/ SMDDR_VTERM
3
VGA-Core (MAX 1993)
+1.2V
3
BATTERY SELECT
3
BATTERYCHARGER
(ISL6251)
3
VCORE(ISL6262A)
3
5V/3.3V (TPS51120)
3
DISCHARGE
3
+1.8V
LCI
PCIE-6
MXM
3
3
Turion 64 Dual-Core/
Sempron Single-Core
3
PCI-Express 16X
TV-out
New Card
3
3
3
3
3
3
3
3
CRT
TV-out
LVDS
3
3
Ricoh
R5C833
INT or EV
selector Resistor
3
3
Transformer
3
RJ45/11