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Conf
idential
Ver 2-2004K
Revision History
PERSONAL COMPUTER
·
9-876-392-02
SERVICE MANUAL
· Design and specifications are subject to
change without notice.
VGN-U71P/U750P/U8G/U8C
S400
Area
Model
Line up
Japanese
Japanese
American
US
Canadian
Asian/Oceania/
South Africa
International
China
VGN-U8G
VGN-U8C
VGN-U71P
VGN-U750P
1
[MA]
1
[MA]


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Service and Inspection Precautions
1. Obey precautionary markings and
instructions
Labels and stamps on the cabinet, chassis, and
components identify areas requiring special
precautions. Be sure to observe these precautions,
as well as all precautions listed in the operating
manual and other associated documents.
2. Use designated parts only
The set's components possess important safety
characteristics, such as noncombustibility and the
ability to tolerate large voltages. Be sure that
replacement parts possess the same safety
characteristics as the originals. Also remember
that the 0 mark, which appears in circuit
diagrams and parts lists, denotes components that
have particularly important safety functions; be
extra sure to use only the designated components.
3. Always follow the original design
when mounting parts and routing
wires
The original layout includes various safety
features, such as inclusion of insulating materials
(tubes and tape) and the mounting of parts above
the printer board. In addition, internal wiring has
been routed and clamped so as to keep it away
from hot or high-voltage parts. When mounting
parts or routing wires, therefore, be sure to
duplicate the original layout.
4. Inspect after completing service
After servicing, inspect to make sure that all
screws, components, and wiring have been
returned to their original condition. Also check
the area around the repair location to ensure that
repair work has caused no damage, and confirm
safety.
5. When replacing chip components...
Never reuse components. Also remember that
the negative side of tantalum capacitors is easily
damaged by heat.
6. When handling flexible print
boards...
· The temperature of the soldering-iron tip should
be about 270C.
· Do not apply the tip more than three times to
the same pattern.
· Handle patterns with care; never apply force.
Caution: Remember that hard disk drives are
easily damaged by vibration. Always handle
with care.
Caution Markings for Lithium/Ion Battery - The
following or similar texts shall be provided on
battery pack of equipment or in both the operating
and the service instructions.
CAUTION: Danger of explosion if battery is
incorrectly replaced. Replace only with the same
or equivalent type recommended by the
manufacturer. Discard used batteries according
to the manufacturer's instructions.
CAUTION: The battery pack used in this device
may present a fire or chemical burn hazard if
mistreated. Do not disassemble, heat above
100°C (212°F) or incinerate.
Dispose of used battery promptly.
Keep away from children.
CAUTION: Changing the back up battery.
·Overcharging, short circuiting, reverse charging,
multilation or incineration of the cells must be
avoided to prevent one or more of the following
occurrences; release of toxic materials, release
of hydrogen and/or oxygen gas, rise in surface
temperature.
· If a cell has leaked or vented, it should be
replaced immediately while avoiding to touch
it without any protection.
ATTENTION AU COMPOSANT AYANT
RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE
MARQ UE 0 SUR LES DIAGRAMMES
SCHÉMATIQUES ET LA LISTE DES PIÈCES
SONT CRITIQUES POUR LA SÉCURITÉ DE
FONCTIONNEMENT. NE REMPLACER CES
COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS
CE MANUEL OU DANS LES SUPPÉMENTS
PUBLIÉS PAR SONY.
Information in this document is subject to
change without notice.
Sony, VAIO and CLIE are trademarks or
registered trademarks of Sony. Microsoft,
Windows, Windows Media, Outlook, Bookshelf
and other Microsoft products are trademarks or
registered trademarks
of Microsoft Corporation in the United States and
other countries.
The word Bluetooth and the Bluetooth logo are
trademarks of Bluetooth SIG, Inc. AMD, AMD
logo, AMD Duron and combinations thereof,
3DNow!, are trademarks of Advanced Micro
Devices, Inc. Intel Inside logo, Pentium and
Celeron are trademarks or registered trademarks
of Intel Corporation. Transmeta, the Transmeta
logo, Crusoe Processor, the Crusoe logo and
combinations thereof are trademarks of
Transmeta Corporation in the USA and other
countries. Graffiti, HotSync, PalmModem, and
Palm OS are resistered trademarks, and the
Hotsync logo and Palm are trademarks of Palm,
Inc. or its subsidiaries. (M) and Motrola are
trademarks of Motrora, Inc. Other Motrola
products and services with (R) mark like
Dragomball are the trademarks of Motrola, Inc.
All other names of systems, products and services
in this manual are trademarks or registered
trademarks of their respective owners.
In this manual, the (TM) or (R) mark are not
specified.
-- 2 --
VGN-U71P/U750P/U8G/U8C (J/AM/AO)
Confidential


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-- 3 --
History of the changes is shown as the
"Revision History" at the end of this data.
TABLE OF CONTENTS
Section
Title
Page
CHAPTER 1. SPECIFICATIONS
1-1. Specifications .................................................................... 1-1
(to 1-1)
CHAPTER 2. BLOCK DIAGRAM ............................... 2-1
2-1. VGN-U series .................................................................... 2-1
2-2. DVD+-RW Drive .............................................................. 2-2
(to 2-2)
CHAPTER 3. FRAME HARNESS DIAGRAM ........ 3-1
3-1. VGN-U series .................................................................... 3-1
3-2. DVD+-RW Drive .............................................................. 3-2
3-3. Port Replicator .................................................................. 3-3
(to 3-3)
CHAPTER 4. EXPLODED VIEWS AND
PARTS LIST
Main Section
MS-1. Main Section .............................................................. 4-2
LCD
L-1. LCD 5-inch SVGA
­ Made by So ­ ............................................................ 4-4
Section
Title
Page
Accessories
A-1 ........................................................................................ 4-6
A-2 ........................................................................................ 4-7
A-3 ........................................................................................ 4-9
(to 4-10)
CHAPTER 5. OTHERS
5-1. The Barcode Label ............................................................ 5-1
(to 5-1)
Confidential
VGN-U71P/U750P/U8G/U8C (J/AM/AO)


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1-1
VGN-U71P/U750P/U8G/U8C (J/AM/AO)
Confidential
CHAPTER 1.
SPECIFICATIONS
1-1. Specifications
· The trademarks or registered trademarks of above table, refer to page 2.
·
(END)
JAM
AO
VGN-U71P
VGN-U750P
VGN-U8G
VGN-U8C
CPU
ULV-PM/Do/733/1.10GHz
ULV-PM/Do/733/1.10GHz
ULV-CelM/Do/353/900MHz
ULV-CelM/Do/353/900MHz
Graphic
855GM
855GM
855GM
855GM
Chip Set
855GM
855GM
855GM
855GM
LCD (inner touch pad)
5.0/SVGA/TP
5.0/SVGA/TP
5.0/SVGA/TP
5.0/SVGA/TP
HDD
30GB(1.8inch)
20GB(1.8inch)
20GB(1.8inch)
20GB(1.8inch)
MEMORY(slot)
512MB(512MB/DDR/266/module)
512MB(512MB/DDR/266/module)
256MB(256MB/DDR/266/module)
256MB(256MB/DDR/266/module)
Quantity [MAX]
512MB
512MB
512MB
512MB
OPT-DRIVE
--
PCGA-DDRW2
PCGA-DDRW2
AC adaptor
VGP-AC16V7
VGP-AC16V7
VGP-AC16V7
VGP-AC16V7
Battery
VGP-BPS1
VGP-BPS1
VGP-BPS1
VGP-BPS1
Accessory
VGP-KBC1
VGP-KBC1
VGP-KBC1
VGP-KBC1
VGP-PRU1
VGP-PRU1
VGP-PRU1
VGP-PRU1
RM-VSC1
RM-VSC1
RM-VSC1
RM-VSC1
VGA/LAN Adaptor
VGA/LAN Adaptor
VGA/LAN Adaptor
VGA/LAN Adaptor
IEEE802.11
b/g
b/g
b/g
b/g
CF Slot
OS
XP Pro
XP Pro
XP Home
XP Home
1
[MA]
1
[MA]


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2-1
VGN-U71P/U750P/U8G/U8C (J/AM/AO)
Confidential
CHAPTER 2.
BLOCK DIAGRAM
Dothan
ULV
MontaraGM
ICH4
Memory
PCI7420
W-LAN
MS
CF
i.LINK
USB
Ether
USB
USB
Audio
Codec
Touch
Panel
H8
FWH
VGA
LCD
HDD
FSB
Hub Link
DDR
Track
Point
PS/2
USB4
USB0
USB2
PCI
AC Link
IDE
LPC
Switch
&
Button
PHY
USB
USB
USB
Hub
VGN-U series
VGP-PRU1
Port Replicator
2-1. VGN-U series