Power Diagram - Samsung NP-R25 Series Service Manual

4
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
D
AC Adapter
VDC
DOCK DC
Battery DC
C
B
Rail
+V*Always +V*AUX +V SUSPWR PWRON
State
Full On ON ON ON H
S3 ON ON OFF H
S4 ON ON OFF H
S5 ON OFF OFF L
A
4
3

Power Diagram

KBC3_LANPWRON
* Made by ICH7-M Internal VR
(P3.3V_AUX, INTVRMEN high)
*ICH7-M Sequence
P1.05V_Sus
P3.3V_Sus
MICOM_P3V
MICOM
P3.3V_LAN
LAN BCM4401 / 5751
P2.5_3.3V_LAN
P1.2_3.3V_LAN
VRON
H H
L L
L L
L L
S5 / S4
3
2
KBC3_SUSPWRON KBC3_PWRON
P1.05V_AUX
ICH7-M
P1.8V_AUX P1.8V
SODIMM (DDR II)
CALISTOGA
P1.2V
P0.9V
P5V_AUX P5V
DDR2 Power VRM
P3.3V
P2.5V
P3.3V_AUX
ICH7-M
LAN
MDC
BT
P1.5V
GFX_CORE
S3
DRAW
CHECK
APPROVAL
MODULE CODE
2
1
KBC3_VRON
VCCP3_PWRGD
VCC_CORE
P1.05V YONAH
CALISTOGA
(VCCP)
ICH7-M
SODIMM (DDR II)
GPU (G7X series)
GDDR
GPU (G7X series)
* Intel used 0.9V_AUX for DDR-2
(LT validation)
DDR II-Termination
PCMCIA HDD
ICH7-M
USB
CRT
PS/2 PEG
MICOM
HEATSINK FAN CIRCUIT
R5C843
CALISTOGA Thermal Sensor
MICOM
ICH7-M SODIMM
R5C843
FWH
CK410M+ M_PCI
SUPER I/O PCMCIA
PEG LEDs
LCD
TPM
CALISTOGA
ICH7-M
R5C843
GPU(G7X series)
VCCA
YONAH
P1.5V
CALISTOGA
ICH7-M
GPU(G7X series)
GPU G7X series : P1.0V - P1.2V
S0
DATE TITLE
ZHANG, ELLEN 3/15/2007
SHANGHAI
DEV. STEP
ZHENG, ROKY SR
POWER DIAGRAM
REV
LEE, KEVIN 1.0
LAST EDIT
March 15, 2007 10:33:33 AM
1
D
YONAH
C
B
A
SAMSUNG
ELECTRONICS
PART NO.
BA41-00774A/00732A
3 54
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