Sony KDL-32BX355 / KDL-40BX455 Service Manual ▷ View online
KDL-32BX355/40BX455 13
SECTION 3 - FLOW CHARTS AND DIAGRAMS
*For Part Number information, refer to
“Section 4 - Disassembly/Part Number Information” on page 15
.
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
Inverter Board
or LCD Panel*
Yes
Yes
Main Board*
LCD Panel*
NO VIDEO FLOWCHART
KDL-32BX355/40BX455 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*
Main Board*
LCD Panel*
Any single or
isolated vertical
lines?
Yes
LCD Panel*
More than 1
vertical band?
No
Yes
LCD Panel*
VIDEO DISTORTION FLOWCHART
KDL-32BX355/40BX455
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
4-423-357-11
REAR COVER (32APOT)
[2]
(KDL-32BX355 ONLY)
1
4-423-358-11
REAR COVER (40APOT)
[2]
(KDL-40BX455 SN# 9000001 - 9170000 ONLY)
1
4-423-358-12
REAR COVER (40APOT)
[2]
(KDL-40BX455 SN# 9170001 - 9200000 ONLY)
2
4-410-252-01
BRACKET, VESA (APOT)
3
X-2584-208-1
STAND ASSEMBLY (32APOT)
(KDL-32BX355 ONLY)
3
X-2584-209-1
STAND ASSEMBLY (40APOT)
(KDL-40BX455 ONLY)
▲
2-580-608-01
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.
△
2-580-640-01
SCREW, +BVTP2 4X16
●
2-580-592-01
SCREW, +PSW M3X8
○
4-159-298-01
SCREW, +PSW M4X10
3
2
1
B Remove screws from Rear Cover.
15 from KDL-32BX355 Only
17 from KDL-40BX455 Only
CAUTION: Do not damage the Power Board
Connector and AC Power Cord when removing the
Rear Cover.
C Carefully lift Rear Cover from bottom side 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-32BX355/40BX455
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
4-410-249-01
COVER, SIDE IO (APOT)
52
1-895-178-61
A BOARD (WITHOUT TUNER)
AFTER REPLACING THE MAIN BOARD, YOU MUST UPDATE
THE SOFTWARE TO THE LATEST VERSION.
53
8-597-834-00
TUNER, SIL-TU SUT-RB211TV
ORDER THIS PART WHEN REPLACING THE MAIN BOARD.
54
1-895-179-11
H BOARD, MOUNTED
55
1-858-772-21
SPEAKER 4X10 (TOR)
56
1-839-930-11
POWER-SUPPLY CORD
57
4-410-250-01
COVER, AC (APOT)
58
1-858-772-11
SPEAKER 4X10 (TOL)
59
1-895-284-11
K BOARD, MOUNTED
60
4-264-270-01
KEY PAD (GT)
61
4-410-247-01
COVER, KEY (APOT)
62
1-895-180-11
G BOARD, COMPLETE
△
2-580-640-01
SCREW, +BVTP2 4X16
●
2-580-592-01
SCREW, +PSW M3X8
○
4-159-298-01
SCREW, +PSW M4X10
51
52
54
58
62
57
56
60
61
59
55
53
D
E
G
F
F
H
C
B
A
CHASSIS ASSEMBLY REMOVAL
A Disconnect Power Supply Cord from G Board.
B Release clips and lift-up AC Cover.
C Remove screws and disconnect connectors from G Board.
D Release clips and slide-out Side Cover.
E Remove screws and disconnect connectors from A Board.
F Remove screws and disconnect connectors from Left and Right Speakers.
G Release clips and disconnect connector from H Board.
H Disconnect connector, then tilt Switch Unit left and lift-up.
FOR THE FOLLOWING SERIAL # RANGES:
KDL-32BX355: 9000001 - 9170000
!
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