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Confidential
PERSONAL COMPUTER
SERVICE MANUAL
Design and specifications are subject to
change without notice.
Ver. 5 2005B
Revision History
9-876-404-05
S400
VGN-T51B/T71B/T91PS/T91PSY/T91S
VGN-T240P/T250/T250P/T260P/T270P
VGN-T2XP/T2XRP
VGN-T16RLPS/T26C/T26SP/T27C/T27GP/T27LP/T27TP
Area
Model
Lineup
VGN-T51B/L
VGN-T71B/L
VGN-T71B/T
VGN-T91PS
VGN-T91PSY
VGN-T91S
VGN-T240P/L
[MA]
VGN-T250/L
VGN-T250P/L
VGN-T250P/S
VGN-T260P/L
[MA]
VGN-T270P/L
VGN-T2XP/L
[MA]
VGN-T2XP/S
[MA]
VGN-T2XRP/S
[MA]
VGN-T16RLPS
[MA]
VGN-T26SP/S
[MA]
VGN-T27GP/L
[MA]
VGN-T27GP/S
[MA]
VGN-T27LP/L
[MA]
VGN-T27LP/S
[MA]
VGN-T27TP/L
[MA]
VGN-T27TP/S
[MA]
VGN-T26C/L
[MA]
VGN-T26C/S
[MA]
VGN-T26C/T
[MA]
VGN-T27C/L
[MA]
: CTO Model
Japanese
Japanese
Asian/Oceania/
South Africa
International
Chinese
American
US Canadian
European
AEP/UK
1
1
2
2
2
2
2
2
22
22
22
3
3
3
3
3
3
3


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-- 2 --
VGN-T51B/T71B/T91PS/T91PSY/T91S (J)
VGN-T240P/T250/T250P/T260P/T270P (AM)
VGN-T2XP/T2XRP (EU)
VGN-T16RLPS/T26C/T26SP/T27C/T27GP/T27LP/T27TP (AO)
Confidential
Information in this document is subject to
change without notice.
Sony, VAIO and CLIE are trademarks or regis-
tered 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 there of, 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 Proces-
sor, the Crusoe logo and combinations there of
are trademarks of Transmeta Corporation in the
USA and other countries. Graffiti, HotSync,
PalmModem, and Palm OS are registered trade-
marks, and the Hotsync logo and Palm are trade-
marks 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 trade-
marks of their respective owners. In this manual,
the (TM) or (R) mark are not specified.
Caution Markings for Lithium/Ion Battery - The
following or similar texts shall be provided on
battery pack of equipment or in both the operat-
ing and the service instructions.
CAUTION: Danger of explosion if battery is in-
correctly replaced. Replace only with the same
or equivalent type recommended by the manu-
facturer. 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 mis-
treated. 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 charg-
ing, multilati on or incineration of the cells must
be avoided to prevent one or more of the fol-
lowing 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 re-
placed immediately while avoiding to touch it
without any protection.
Service and Inspection Precautions
1. Obey precautionary markings and
instructions
Labels and stamps on the cabinet, chassis, and
components identify are as requiring special pre-
cautions. 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 re-
placement parts possess the same safety charac-
teristics as the originals. Also remember that the
mark, which appears in circuit diagrams and
parts lists, denotes components that have particu-
larly 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 fea-
tures, 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 du-
plicate the original layout.
4. Inspect after completing service
After servicing, inspect to make sure that all
screws, components, and wiring have been re-
turned to their original condition. Also check the
area around the repair location to ensure that re-
pair 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 dam-
aged by heat.
6. When handling flexible print
boards...
· The temperature of the soldering-iron tip
should be about 270°C.
· 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 - CLASS 3B VISIBLE AND INVISIBLE LASER RADIATION
WHEN OPEN. AVOID EXPOSURE TO THE BEAM.


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-- 3 --
VGN-T51B/T71B/T91PS/T91PSY/T91S (J)
VGN-T240P/T250/T250P/T260P/T270P (AM)
VGN-T2XP/T2XRP (EU)
VGN-T16RLPS/T26C/T26SP/T27C/T27GP/T27LP/T27TP (AO)
Confidential
TABLE OF CONTENTS
Section
Title
Page
CHAPTER 1. SPECIFICATIONS
1-1. Specifications .......................................................................................................................... 1-1
(to 1-2)
CHAPTER 2. BLOCK DIAGRAM ...................................................................................... 2-1
(to 2-1)
CHAPTER 3. FRAME HARNESS DIAGRAM ................................................................ 3-1
(to 3-2)
CHAPTER 4. EXPLODED VIEWS AND PARTS LIST
How to identify the VGN-T91PSY ................................................................................................ 4-2
Palmrest
P-1 ........................................................................................................................................... 4-3
Main Board
M-1 ......................................................................................................................................... 4-5
Bottom
B-1 .......................................................................................................................................... 4-7
HDD
H-1 .......................................................................................................................................... 4-9
LCD
L-1. 10.6-inch TFT WXGA (Brightness) -- Made by SH -- ............................................. 4-11
Accessories
A-1 ........................................................................................................................................ 4-13
(to 4-13)
CHAPTER 5. OTHERS
5-1. The Barcode Label .................................................................................................................. 5-1
5-2. Precautions for Handling the Drive ......................................................................................... 5-2
(to 5-2)
Section
Title
Page
History of the changes is shown as the "Revision
History" at the end of this data.


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1-1
VGN-T51B/T71B/T91PS/T91PSY/T91S (J)
VGN-T240P/T250/T250P/T260P/T270P (AM)
VGN-T2XP/T2XRP (EU)
VGN-T16RLPS/T26C/T26SP/T27C/T27GP/T27LP/T27TP (AO)
Confidential
CHAPTER 1.
SPECIFICATIONS
1-1. Specifications
The trademarks of registered trademarks of above table, refer to page 2.
The model that is accompanied by asterisk (
) is the CTO model.
As for the T91PSY, the Specifications are different from each Product Code.
Please refer to the page 4-2 for how to identify the Product Code.
J
AM
Model
VGN-T71B/L
VGN-T71B/T
VGN-T51B/L
VGN-T91PS
VGN-T91PSY
(28194425)
VGN-T91PSY
(28194424)
VGN-T91PSY
(28194423)
VGN-T91S
VGN-T270P/L
VGN-T250P/L
CPU
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-CelM/Do/373/1GHz
ULV-PM/Do/753/1.20GHz or
ULV-CelM/Do/373/1GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-CelM/Do/373/1GHz
ULV-PM/Do/753/1.20GHz or
ULV-CelM/Do/373/1GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
Chipset
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
LCD
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
HDD
60GB
60GB
60GB
60GB or 40GB
60GB or 40GB
40GB
40GB
60GB or 40GB
60GB
60GB
Memory
512MB on-board
512MB on-board
256MB on-board
1GB(512MB on-board+512MBx1) or
512MB on-board or
256MB on-board
512MB on-board
256MB on-board
256MB on-board
1GB(512MB on-board+512MBx1) or
512MB on-board or
256MB on-board
1GB(512MB on-board+512MBx1)
512MB on-board
QUANTITY[MAX]
1GB
1GB
768MB
1GB(512MB on-board model) or
768MB(256 on-board model)
1GB
768MB
768MB
1GB(512MB on-board model) or
768MB(256 on-board model)
1GB
1GB
Optical
SuperMulti/9.5/x2
SuperMulti/9.5/x2
SuperMulti/9.5/x2
Combo/9.5/x24 or
SuperMulti/9.5/x2
Combo/9.5/x24 or
SuperMulti/9.5/x2
Combo/9.5/x24 or
SuperMulti/9.5/x2
Combo/9.5/x24
Combo/9.5/x24 or
SuperMulti/9.5/x2
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
Wireless LAN
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
AC adaptor
VGP-AC16V7
VGP-AC16V7
VGP-AC16V7
VGP-AC16V7
VGP-AC16V7
VGP-AC16V7
VGP-AC16V7
VGP-AC16V7
VGP-AC16V8
VGP-AC16V8
Battery
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
Bluetooth
×
×
×
×
×
×
×
×
Felica
×
×
×
or ×
×××
or ×
×
×
Color Variation
Blue
Brown
Blue
Brown or Blue or Carbon
Blue
Blue
Blue
Brown or Blue or Carbon
Blue
Blue
Key Board
Japanese Key Board
Japanese Key Board
Japanese Key Board
English Key Board or
Japanese Key Board
Japanese Key Board
Japanese Key Board
Japanese Key Board
English Key Board or
Japanese Key Board
English Key Board
English Key Board
OS
XP Home
XP Home
XP Home
XP Pro
XP Pro
XP Pro
XP Pro
XP Home
XP Pro
XP Pro
Office
2003 Personal
2003 Personal
2003 Personal
2003 Personal or
2003 Professional or None
2003 Personal or None
None
None
2003 Personal or
2003 Professional or None
None
CTO
AM
EU
AO
Model
VGN-T250P/S
VGN-T250/L
VGN-T260P/L
VGN-T240P/L
VGN-T2XP/L
VGN-T2XP/S
VGN-T2XRP/S
VGN-T27GP/L
VGN-T27GP/S
VGN-T27TP/L
CPU
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
Chipset
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
LCD
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
HDD
60GB
60GB
60GB
60GB
60GB
60GB
60GB
60GB
60GB
60GB
Memory
512MB on-board
512MB on-board
1GB(512MB on-board+512MBx1)
512MB on-board
512MB on-board
512MB on-board
512MB on-board
512MB on-board
512MB on-board
512MB on-board
QUANTITY[MAX]
1GB
1GB
1GB
1GB
1GB
1GB
1GB
1GB
1GB
1GB
Optical
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
Combo/9.5/x24
Combo/9.5/x24
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
Wireless LAN
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
AC adaptor
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
Battery
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
Bluetooth
×
Felica
×
×
×
×
×
×
×
×
×
×
Color Variation
Silver
Blue
Blue
Blue
Blue
Silver
Silver
Blue
Silver
Blue
Key Board
English Key Board
English Key Board
English Key Board
English Key Board
-
-
-
-
-
-
OS
XP Pro
XP Home
XP Pro
XP Pro
XP Pro
XP Pro
XP Pro
XP Pro
XP Pro
XP Pro
Office
None
None
None
None
None
None
None
None
None
None
1
[MA]
1
[MA]
2
[MA]
2
[MA]
2
[MA]
2
[MA]
2
[MA]
2
[MA]


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1-2
(END)
VGN-T51B/T71B/T91PS/T91PSY/T91S (J)
VGN-T240P/T250/T250P/T260P/T270P (AM)
VGN-T2XP/T2XRP (EU)
VGN-T16RLPS/T26C/T26SP/T27C/T27GP/T27LP/T27TP (AO)
Confidential
The trademarks of registered trademarks of above table, refer to page 2.
The model that is accompanied by asterisk (
) is the CTO model.
AO
Model
VGN-T27TP/S
VGN-T27LP/L
VGN-T27LP/S
VGN-T26SP/S
VGN-T16RLPS
VGN-T27C/L
VGN-T26C/L
VGN-T26C/S
VGN-T26C/T
CPU
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/733/1.10GHz
ULV-PM/Do/733/1.10GHz
ULV-PM/Do/753/1.20GHz
ULV-PM/Do/733/1.10GHz
ULV-PM/Do/733/1.10GHz
ULV-PM/Do/733/1.10GHz
Chipset
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
Intel 855GME
LCD
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
10.6 WXGA (BR)
HDD
60GB
60GB
60GB
40GB
40GB
60GB
40GB
40GB
40GB
Memory
512MB on-board
512MB on-board
512MB on-board
512MB on-board
512MB on-board
512MB on-board
256MB on-board
256MB on-board
256MB on-board
QUANTITY[MAX]
1GB
1GB
1GB
1GB
1GB
1GB
768MB
768MB
768MB
Optical
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
DVD+-RW/9.5/x4
Combo/9.5/x24
Combo/9.5/x24
Combo/9.5/x24
Combo/9.5/x24
Combo/9.5/x24
Combo/9.5/x24
Wireless LAN
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
802.11b/g
AC adaptor
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
VGP-AC16V8
Battery
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
VGP-BPS3A
Bluetooth
××
×
×
Felica
×
×
×
×
×
×
×
×
×
Color Variation
Silver
Blue
Silver
Silver
Silver
Blue
Blue
Silver
Brown
Key Board
-
-
-
-
-
-
-
-
-
OS
XP Pro
XP Pro
XP Pro
XP Pro
XP Pro
XP Home
XP Home
XP Home
XP Home
Office
None
None
None
None
None
None
None
None
None
2
[MA]
2
[MA]
2
[MA]
3
[MA]
3
[MA]
3
[MA]
3
[MA]
3
[MA]
3
[MA]
3
[MA]