Sony KDL-32EX355 / KDL-40EX455 Service Manual ▷ View online
KDL-32EX355/40EX455 13
SECTION 3 - FLOW CHARTS AND DIAGRAMS
NO VIDEO
No Video
Backlights
turned on?
Unplug LVDS
connector at
TCON while unit
is running. This
may need to be
done more than
once
Any flashes
seen on
screen?
screen?
Yes
No
Any OSD
graphics
present?
No
Main Board*
No
LCD Panel*
Yes
Yes
Main Board*
LCD Panel*
NO VIDEO FLOWCHART
*For Part Number information, refer to
“Section 4 - Disassembly/Part Number Information” on page 15
.
KDL-32EX355/40EX455 14
SECTION 3 - FLOW CHARTS AND DIAGRAMS
*For Part Number information, refer to
“Section 4 - Disassembly/Part Number Information” on page 15
.
Video Distortion
Is distortion
across entire
screen?
Any horizontal
lines?
No
No
Yes
Yes
Improper of
missing colors?
Yes
Main Board*
No
Vertical lines
or bars?
No
Yes
Lines move
when wide-mode
changed?
Yes
No
LCD Panel*
TCON Board*
Main Board*
LCD Panel*
Any single or
isolated vertical
lines?
Yes
LCD Panel*
More than 1
vertical band?
No
Yes
LCD Panel*
TCON Board*
VIDEO DISTORTION FLOWCHART
KDL-32EX355/40EX455
15
Components not identified by a part number or
description are not stocked because they are seldom
required for routine service.
The component parts of an assembly are indicated by the
reference numbers in the far right column of the parts list
and within the dotted lines of the diagram.
*
Items marked with an asterisk are not stocked since
they are seldom required for routine service. Expect
some delay when ordering these components.
NOTE: The components identified by shading
and
!
mark are critical for safety. Replace only
with part number specified.
NOTE: The components identified by a red outline and a mark contain
confidential information. Specific instructions must be adhered to whenever
these components are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
TABLE-TOP STAND AND REAR COVER REMOVAL
A Gently place the TV face down onto a soft cloth and remove 3 screws from the bottom of Table-Top Stand.
B To avoid damaging the AC Power Supply Cord, remove the screw from the AC Cover and disconnect the AC Power
Cord.
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
1
4-438-331-11
REAR COVER (32IRST)
[2]
(KDL-32EX355 ONLY)
1
4-438-332-11
REAR COVER (40IRST)
[2]
(KDL-40EX455 ONLY)
2
4-421-137-01
BRACKET, VESA (32IRST)
(KDL-32EX355 ONLY)
2
4-421-138-01
BRACKET, VESA (40IRST)
(KDL-40EX455 ONLY)
3
4-421-151-01
COVER, AC (IRST)
4
1-846-277-11
POWER-SUPPLY CORD
5
X-2585-275-1
STAND ASSEMBLY (32IRST)
(KDL-32EX355 ONLY)
5
X-2585-276-1
STAND ASSEMBLY (40IRST)
(KDL-40EX455 ONLY)
6
X-2584-211-1
BAG ASSEMBLY, SCREW
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV)
For product protection and safety reasons, Sony strongly recommends that
you use the screws provided with the TV.
CAUTION: These screws cannot be used to secure the TV to the Wall
Mount Brackets.
C Remove the remaining screws from the Rear Cover.
D Gently hold down the Rear Cover from the center,
then carefully lift the Rear Cover from the bottom.
3
4
2
6
5
1
!
KDL-32EX355/40EX455
16
Components not identified by a part number or
description are not stocked because they are seldom
required for routine service.
The component parts of an assembly are indicated by the
reference numbers in the far right column of the parts list
and within the dotted lines of the diagram.
*
Items marked with an asterisk are not stocked since
they are seldom required for routine service. Expect
some delay when ordering these components.
NOTE: The components identified by shading
and
!
mark are critical for safety. Replace only
with part number specified.
NOTE: The components identified by a red outline and a mark contain
confidential information. Specific instructions must be adhered to whenever
these components are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
A Remove screws and disconnect connectors from A Board.
B Detach the Side Bracket from A Board.
C Remove screws and disconnect connectors from G32/G40 Board.
D Slide-out Left and Right Speakers, then disconnect connectors.
E Release clips and disconnect connector from H Board.
F Lift up Switch Unit and disconnect connector.
G Disconnect connectors from the L32/L40 Board, then remove screws to detach.
H Remove the Sheet Insulator from the Back Chassis.
CHASSIS ASSEMBLY REMOVAL
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
101
1-895-281-11
L32 BOARD, MOUNTED
(KDL-32EX355 ONLY)
101
1-895-282-11
L40 BOARD, MOUNTED
(KDL-40EX455 ONLY)
102
4-446-821-01
SHEET, INSULATOR (32IRST)
(KDL-32EX355 ONLY)
ORDER THIS PART WHEN REPLACING THE LCD PANEL.
102
4-446-820-01
SHEET, INSULATOR (40IRST)
(KDL-40EX455 ONLY)
ORDER THIS PART WHEN REPLACING THE LCD PANEL.
103
1-895-291-11
G32 BOARD, MOUNTED
(KDL-32EX355 ONLY)
103
1-895-292-11
G40 BOARD, MOUNTED
(KDL-40EX455 ONLY)
104
4-421-152-01
KEY TOP (IRST)
105
4-421-149-01
COVER, SIDE KEY (IRST)
106
1-895-294-11
K BOARD, MOUNTED
107
1-858-822-11
SPEAKER 4X10
108
1-895-293-11
H BOARD, MOUNTED
109
1-895-280-41
A BOARD (WITHOUT TUNER)
(KDL-32EX355 ONLY)
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION.
109
1-895-280-51
A BOARD (WITHOUT TUNER)
(KDL-40EX455 ONLY)
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION.
110
8-597-834-00
TUNER, UNIVERSAL SIL-TU SUT-RB211TV
ORDER THIS PART WHEN REPLACING THE MAIN BOARD.
111
4-421-150-01
COVER, SIDE JACK (IRST)
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
C
D
F
B
A
G
E
H
108
107
107
101
102
111
104
105
106
109
103
110
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