Sony KDL-50R450A Service Manual ▷ View online
KDL-50R450A 17
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
REPLACING THE POWER SUPPLY BOARD
1.
Locate and disconnect 2 connectors from Power Supply Board.
2.
Locate and remove 6 screws, then lift Power Supply Board to detach.
3.
Install the new Power Supply Board, screws and all connectors.
4. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the
Sony
Authorized Service Portal
website.
a.
Insert the USB device with the latest Software into the TV.
b. Press
POWER
to turn on the TV.
c.
Wait until the Software update is complete and the TV turns OFF.
REPLACING THE SWITCH UNIT
1.
Release Harness from Switch Unit, lift as shown then disconnect
connector to detach.
2.
Install the new Switch Unit and its connector.
REPLACING THE TCON BOARD
1.
Lift the black locking bar and pull LVDS cables to release.
2.
Remove 2 screws and lift the TCON Board to detach.
3.
Install the new TCON Board, screws and connectors.
KDL-50R450A 18
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
REMOVING THE SPEAKERS
1.
Locate Speakers on Lower Cover. Remove 2 screws and lift as shown to
detach.
REMOVING THE H BOARD
1.
Remove 4 screws from each Bottom Bracket and lift as shown to detach.
2.
Remove Harness, Tape and 3 screws from Source Cover. Lift as shown
to detach.
SOURCE
COVER
3.
Locate and disconnect connector from H Board. Use a sharp edge tool
and lift board as shown to detach from Bezel.
DOUBLE SIDED TAPE
NOTE:
Double sided tape must be replaced when reinstalling
the H Board.
KDL-50R450A 19
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.
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)
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
KDL-50R450A
7
Source
Cover*
2
3
4
15
14
13
12
11
9
10
5
5
6
6
8
1
1
NA
LCD PANEL
FOR ALL LCD PANEL PART NUMBER INFORMATION,
REFER TO THE LCD PANELS SERVICE MANUAL.
2
1-492-609-11
SWITCH UNIT
3
4-473-643-01
SHEET INSULATION
ORDER THIS PART WHEN REPLACING THE LCD PANEL.
4
1-895-468-11
G50W BOARD, COMPLETE
5
1-858-932-11
LOUD SPEAKER
6
4-473-642-01
BRACKET, BOTTOM
7
NA
TCON BOARD, MOUNTED
FOR ALL TCON BOARD PART NUMBER INFORMATION,
REFER TO THE LCD PANELS SERVICE MANUAL.
8
1-895-469-11
H BOARD, MOUNTED
9
1-895-467-11
A BOARD, COMPLETE
AFTER REPLACING THE MAIN BOARD, YOU MUST
UPDATE THE SOFTWARE TO THE LATEST VERSION.
10
4-473-641-01
COVER, SIDE
11
4-473-640-01
PLASTIC, STAND
12
4-435-628-11
AC COVER
!
13
1-846-897-11
POWER SUPPLY CORD
14
4-262-708-04
CLAMPER, CABLE
15
4-473-639-01
LOWER COVER
REF. NO.
PART NO.
DESCRIPTION
*Reinstall when replacing
the H Board.
KDL-50R450A 20
SECTION 4 - EXPLODED VIEW/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)
CONNECTORS
KDL-50R450A
51
52
54
53
55
51
1-910-108-77
CONNECTOR ASSEMBLY 50 MB-PSU 16P
52
1-910-108-89
CONNECTOR ASSEMBLY 50 LB-PSU 10P
53
1-910-108-75
(LVDS) FFC CABLE 50 LG MB-TCON 51P
54
1-910-108-79
CONNECTOR ASSEMBLY50 MB-SPEAKER 4P
55
1-910-108-78
CONNECTOR ASSEMBLY50 MB-KEY-IR 12P
REF. NO.
PART NO.
DESCRIPTION
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