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Conf
idential
PCG-FX120/FX140/FX150/FX170/FX190
US Model
Canadian Model
SERVICE MANUAL
NOTEBOOK COMPUTER
9-872-179-11
Illust : PCG-FX170
S400


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PCG-FX120/FX140/FX150/FX170/FX190 (UC)
Information in this document is subject to change without notice.
Sony and VAIO are trademarks of Sony. Intel logo and Intel Inside
logo are registered trademarks of Intel Corporation. Pentium MMX
is a trademark of Intel Corporation. Microsoft, MS-DOS, Windows,
the Windows 95 and Windows 98 logo are trademarks of Microsoft
Corporation.
All other trademarks are trademarks or registered trademarks of
their respective owners. Other trademarks and trade names may be
used in this document to refer to the entitles claiming the marks and
names or their produces. Sony Corporation disclaims any proprietary
interest in trademarks and trade names other than its own.
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 MARQUE 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.
Confidential


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TABLE OF CONTENTS
CHAPTER 1. REMOVAL
1-1. Flowchart ......................................................................... 1-1
1-2. Main Electrical Parts Location Diagram ......................... 1-1
1-3. Removal ........................................................................... 1-2
1. Hinge Cover ..................................................................... 1-2
2. Keyboard Unit, Palm Rest Assy, Hood Keyboard Assy,
Touch Pad, CNX-125 Board ............................................ 1-2
3. Display Assy, DVD-ROM Drive, Combination Drive Bay
(CD-RW/DVD-ROM) ...................................................... 1-3
4. HDD Assy, DC Fan .......................................................... 1-3
5. Latch Detector, PWS-13 Board ....................................... 1-4
6. PC Card Connector, Modem card, MBX-49 Board
Lithium Battery ................................................................ 1-4
7. Speaker Unit, SWX-73 Board ......................................... 1-5
8. SO-DIMM ........................................................................ 1-5
9. Modem Card .................................................................... 1-6
10. LCD Section (FX190 Model) ­ Made by SA ­ ............... 1-7
1.Bezel Housing Assy, LCD Unit (15 inch) .................... 1-7
2.Inverter Assy, LCD Harness, FPC,
Display Housing Assy .................................................. 1-8
11. LCD Section (FX150/FX170 Model) ­ Made by SA ­ ... 1-9
1.Bezel Housing Assy, LCD Unit (15 inch) .................... 1-9
2.Inverter Assy, LCD Harness, FPC,
Display Housing Assy ................................................ 1-10
12. LCD Section (FX140 Model) ­ Made by SA­ .............. 1-11
1.Bezel Housing Assy .................................................... 1-11
2.Bracket LCD Left, Bracket LCD Right,
LCD Unit (14 inch) .................................................... 1-12
3.FPC, Inverter Assy, Display Housing Assy, ......................
LCD Harness .............................................................. 1-12
13. LCD Section (FX120 Model) ­ Made by AC­ .............. 1-13
1.Bezel Housing Assy .................................................... 1-13
2.Bracket LCD Left, Bracket LCD Right,
LCD Unit (13 inch) .................................................... 1-14
3.FPC, Inverter Assy, Display Housing Assy, ......................
LCD Harness .............................................................. 1-14
1-4. Replacing the CPU ........................................................ 1-15
1. Removing the CPU ........................................................ 1-15
2. Installing the CPU .......................................................... 1-15
1-5. DIP Switch Setting of the MBX-49 Board .................... 1-16
(to 1-17)
Section
Title
Page
·
Abbreviations
UC : US model / Canadian model
PCG-FX120/FX140/FX150/FX170/FX190 (UC)
Confidential
Section
Title
Page
CHAPTER 2. SELF DIAGNOSTICS
2-1. Required Tools and Peripheral Devices ........................... 2-1
2-2. Tools and Peripheral Device Connection ......................... 2-3
2-3. Starting up the Service Diagnostics ................................. 2-4
2-4. Outline of Service Diagnostics Functions ....................... 2-4
2-5. Inspecting Windows ......................................................... 2-7
2-6. Self diagnostics Change History ...................................... 2-8
(to 2-8)
CHAPTER 3. BLOCK DIAGRAM ............................... 3-1
(to 3-2)
CHAPTER 4. FRAME HARNESS DIAGRAM ........ 4-1
(to 4-2)
CHAPTER 5. EXPLODED VIEWS AND
PARTS LIST ............................................ 5-1
5-1. Main Section .................................................................... 5-2
5-2. LCD Section (FX190 Model) ­ Made by SA ­ ............... 5-5
5-3. LCD Section (FX150/FX170 Model) ­ Made by SA ­ ... 5-7
5-4. LCD Section (FX140 Model) ­ Made by SA ­ ............... 5-9
5-5. LCD Section (FX120 Model) ­ Made by AC ­ ............. 5-11
(to 5-12)


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1-1
Confidential
PCG-FX120/FX140/FX150/FX170/FX190 (UC)
CHAPTER 1.
REMOVAL
1-1. Flowchart
· P XX means pages that appears in this manual.
· Remember that hard disk drives are easily damaged by vibration. Always handle with care.
1-2. Main Electrical Parts Location Diagram
POWER
OFF
HOOD
KEYBOARD
ASSY
SO-DIMM
BATTERY
PACK
HINGE
COVER
MODEM
CARD
KEYBOARD
UNIT
P 1-2
P 1-2
P 1-5
P 1-5
P 1-5
P 1-2
P 1-6
P 1-2
P 1-3
P 1-4
3 through 7
P 1-4
P 1-4
PALM REST
ASSY
P 1-3
DC
FAN
PC CARD
CONNECTOR
FDD
SPEAKER
UNIT
SWX-73
BOARD
P 1-3
DISPLAY
ASSY
P 1-4
FPC
INVERTER
ASSY
BRACKET
LCD LEFT
BRACKET
LCD RIGHT
DISPLAY
HOUSING
ASSY
BEZEL
HOUSING
ASSY
DVD-ROM
COMBINATION
DRIVE
LCD
UNIT
PWS-13
BOARD
P 1-4
P 1-3
HDD
P 1-7
(P 1-9)
P 1-11
[P 1-13]
P 1-7
(P 1-9)
P 1-12
[P 1-14]
P 1-8
(P 1-10)
P 1-12
[P 1-14]
P 1-8
(P 1-10)
P 1-12
[P 1-14]
P 1-8
(P 1-10)
P 1-12
[P 1-14]
:FX190 Model
( ):FX150/FX170 Model
:FX140 Model
[ ]:FX120 Model
P 1-12
[P 1-14]
P 1-12
[P 1-14]
P 1-8
(P 1-10)
P 1-12
[P 1-14]
LCD
HARNESS
P 1-2
PARM REST
PLATE
P 1-2
BRACKET
PAT
P 1-2
TOUCH
PAD
CNX-125
BOARD
P 1-2
MODEM
CARD
LATCH
DETECTOR
I/O
BRACKET
MBX-49
BOARD
P 1-4
LITHIUM
BATTERY
P 1-4
LCD Unit
Inverter Assy
Speaker Unit
DVD-ROM Drive
Combination Drive
(CD-RW/DVD-ROM)
PWS-13 Board
FD Drive
CNX-125 Board
MBX-49 Board
Speaker Unit
DC Fan
HDD
SWX-73 Board
Touch Pad
Modem Card


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1-2
Confidential
PCG-FX120/FX140/FX150/FX170/FX190 (UC)
1-3.Removal
1. Hinge Cover
2. Keyboard Unit, Palm Rest Assy, Hood Keyboard Assy, Touch Pad, CNX-125 Board
2
Hinge Cover
1
Door I/O
3
4
2
Hinge Cover
3
Hood Keyboard Assy
6
Keyboard Unit
0
Palm Rest Assy
5
8
M2X4
Special Head
(Black)
7
Screw (M2),
0 Number P3 Kind (X4) (Black)
PWS-13 Board
CN4004
MBX-49 Board
CN2004
MBX-49 Board
CN1902
1
M2X4 Special Head (Black)
4
M2X4 Special Head (Black)
qs
M2X4 Special Head (x4) (Black)
qh
Bracket Pat
qj
Touch pad
qf
Palm Rest
Plate
qk
CNX-125
Board
2
Pull it up sliding it
to the right.
9
Pull it to the front slightly
and raise to remove it.
qd
Remove by
pulling slightly
to the front
qg
Remove by
pressing to
the rear
qa