Sony KDL-50R450A Service Manual ▷ View online
KDL-50R450A 13
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
4. Install the new Main Board and screws.
5. Reconnect LVDS cable in the connector and close locking clips to
5. Reconnect LVDS cable in the connector and close locking clips to
secure position.
CAUTION: Make sure the black line is aligned to the connector
before locking.
6.
Reconnect all remaining connectors.
4. Locate and disconnect speakers to fully detach the Lower Cover from
the back of the TV.
REPLACING THE MAIN BOARD
The Main Board used in these models is available for repair. For Part
Number information refer to
Section 4 - Exploded View/Part Number
Information on page 19.
1.
Lift the black locking bar and pull LVDS cables to release.
2.
Disconnect remaining connectors.
3.
Remove 4 screws from the Main Board, slide the Side Cover to release
from board. Lift Main Board to detach.
SIDE COVER
KDL-50R450A 14
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
9. Press
until
Panel Selection is selected.
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
20_LC500DUJ01
10. Press
or to select the correct Panel Code for the TV model.
(Use the table below for reference).
Model Name
Panel Code
KDL-50R450A
20_LC500DUJ01
CAUTION: Select ONLY the correct Panel Code.
11.
Locate the Serial Number for the TV on the side of the Rear Cover.
MODEL NO
KDL-50R450A
SERIAL NO
8000001
7.
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.
8.
Access
Service Mode by pressing the following buttons within 1 second
of each other:
DISPLAY
Channel
5
Volume
+
POWER
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
20_LC500DUJ01
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
KDL-50R450A 15
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
12. Press
until
SERIAL NUMBER EDIT is selected.
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
20_LC500DUJ01
13. Press
to be able to select the first digit.
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
]>
UART Selection
No Log
SERIAL NUMBER EDIT
_ _ _ _ _ _ _
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
20_LC500DUJ01
14. Press
or
to select numbers and then to move to the next
digit until Serial Number is complete.
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
]>
UART Selection
No Log
SERIAL NUMBER EDIT
8000001
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
20_LC500DUJ01
CAUTION: The Serial Number can only be selected once. Be sure
to verify the information is correct before saving the changes.
15. When the complete Serial Number displays, press
.
16.
On the confirmation screen, press to select
YES and then
.
Input Data Correct?
Yes
No
Selected text displays in black
KDL-50R450A 16
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
17. Press
until
MODEL NAME EDIT is selected.
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
]>
UART Selection
No Log
SERIAL NUMBER EDIT
8000001
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
20_LC500DUJ01
18. Press
to be able to select the first character.
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
]>
UART Selection
No Log
SERIAL NUMBER EDIT
8000001
MODEL NAME EDIT
_ _ _ _ _ _ _ _ _ _ _
[</>]Set [Home] Exit
Service Mode
20_LC500DUJ01
19. Press
or
to select characters and then to move to the next
space until Model Name is complete.
NOTE
: Make sure to include dash in Model Name.
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
]>
UART Selection
No Log
SERIAL NUMBER EDIT
8000001
MODEL NAME EDIT
KDL-50R450A
[</>]Set [Home] Exit
Service Mode
20_LC500DUJ01
CAUTION: The Model Name can only be selected once. Be sure
to verify the information is correct before saving the changes.
20.
When the complete Model Name displays, press
.
21.
On the confirmation screen, press to select
YES and then
.
Input Data Correct?
Yes
No
Selected text displays in black
22. Press
POWER
to exit
Service Mode.
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