Sony KDL-32BX353 / KDL-32BX354 / KDL-40BX453 / KDL-46BX453 Service Manual ▷ View online
KDL-32BX353/32BX354/40BX453/46BX453 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*
Inverter MT
Board*
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-32BX353/32BX354/40BX453/46BX453 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-32BX353/32BX354/40BX453/46BX453
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 TV face down onto a soft cloth and remove 3 screws from Table-Top Stand.
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
1
4-409-855-01
REAR COVER (32APOF)
[2]
(KDL-32BX353/32BX354ONLY)
1
4-409-856-02
REAR COVER (40APOF)
[2]
(KDL-40BX453 ONLY)
1
4-409-857-02
REAR COVER (46APOF)
[2]
(KDL-46BX453 ONLY)
2
4-300-793-01
BRACKET, VESA (32APOF)
(KDL-32BX353/32BX354 ONLY)
2
4-300-794-01
BRACKET, VESA (40APOF)
(KDL-40BX453 ONLY)
2
4-300-795-01
BRACKET, VESA (46APOF)
(KDL-46BX453 ONLY)
3
X-2583-462-2
STAND ASSEMBLY (32APOF)
(KDL-32BX353/32BX354 ONLY)
3
X-2583-463-1
STAND ASSEMBLY (40APOF)
(KDL-40BX453 ONLY)
3
X-2583-464-1
STAND ASSEMBLY (46APOF)
(KDL-46BX453 ONLY)
4
2-580-608-11
SCREW, +PSW M5X16
(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.
3
4
2
1
B Remove screws from Rear Cover.
15 from KDL-32BX355/32BX356 Only
17 from KDL-40BX455 Only
19 from KDL-46BX455 Only
CAUTION: Do not damage the Power
Board Connector and AC Power Cord
when removing the Rear Cover.
C Carefully lift Rear Cover from the bottom
and push forward to release top hooks.
D Hold Power Supply Cord while lifting up
Rear Cover, then pass Power Supply Cord
through Rear Cover opening.
Do not pull the AC Power Cord or damage
the connector on the Power Board.
KDL-32BX353/32BX354/40BX453/46BX453
16
SECTION 4 - DISASSEMBLY/PART NUMBER INFORMATION
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.
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
51
4-300-805-01
BRACKET, SIDE (APOF)
52
1-895-184-21
A BOARD, COMPLETE
(KDL-32BX353 ONLY)
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION.
52
1-895-184-31
A BOARD, COMPLETE
(KDL-32BX354 ONLY)
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION.
52
1-895-184-11
A BOARD, COMPLETE
(KDL-40BX453/46BX453 ONLY)
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE THE
SOFTWARE TO THE LATEST VERSION.
53
4-300-807-01
BRACKET, MB (40APOF)
54
1-895-183-11
H BOARD, MOUNTED
55
1-858-771-11
LOUD SPEAKER (4.0X10.0CM) (LEFT)
!
56
1-839-938-11
POWER SUPPLY CORD
(KDL-32BX353/32BX354 ONLY)
!
56
1-839-938-31
POWER SUPPLY CORD
(KDL-40BX453/46BX453 ONLY)
57
4-300-803-01
COVER, AC CORD (40APOF)
58
1-858-771-21
LOUD SPEAKER (4.0X10.0CM) (RIGHT)
59
1-490-188-11
SWITCH UNIT
60
1-474-381-12
G9 BOARD, COMPLETE
(KDL-32BX353/32BX354 ONLY)
60
1-474-380-11
G10 BOARD, COMPLETE
(KDL-40BX453 ONLY)
60
1-474-382-12
G11 BOARD, COMPLETE
(KDL-46BX453 ONLY)
51
52
54
55
58
59
60
53
57
56
D
E
H
G
G
I
C
F
B
A
CHASSIS ASSEMBLY REMOVAL
A Disconnect Power Supply Cord from G9/G10/G11 Board.
B Release clips and lift-up AC Cord Cover.
C Remove 4 screws and disconnect 2 connectors from G9/G10/G11 Board.
D Release clips and slide-out Side Bracket.
E Remove 4 screws and disconnect 4 connectors from A Board.
F Remove 1 screw from MB Bracket.
G Remove 4 screws and disconnect connectors from Left and Right Speakers.
H Release clips and disconnect 1 connector from H Board.
I Disconnect 1 connector, then tilt Switch Unit left and lift-up.
Click on the first or last page to see other KDL-32BX353 / KDL-32BX354 / KDL-40BX453 / KDL-46BX453 service manuals if exist.