Sony KDL-39R475A / KDL-42R474A / KDL-42R475A / KDL-46R475A Service Manual ▷ View online
KDL-39R475A/42R474A/42R475A/46R475A 13
SECTION 3 - REPAIR INFORMATION
REPAIRING THE TV
If the latest Software does not correct the issue, complete the following:
1.
Verify the television has the symptom the customer indicated.
2.
Replace part causing the symptom.
3.
Install the latest version of Software (Required for ALL repairs).
4. Perform the required service adjustments and checks.
5. Verify the repair resolved the issue.
5. Verify the repair resolved the issue.
REMOVING THE TABLE-TOP STAND
1.
Place TV face down on a soft and flat surface.
2.
Remove 2 screws from Table-Top Stand and slide to detach.
REMOVING THE REAR COVER
3.
Remove 1 screw from the AC Cover to detach from the Rear Cover.
HOLD
4. Remove all screws from the Rear Cover and carefully slide the AC
Power Cord through the AC Cover opening to detach.
KDL-39R475A
KDL-42R474A/42R475A
KDL-46R475A
CAUTION: Do not use the Table-Top Stand
to hold or carry the TV.
KDL-39R475A/42R474A/42R475A/46R475A 14
SECTION 3 - REPAIR INFORMATION
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.
Locate and press down the 2 locking clips to release the LVDS Cable.
2.
Disconnect all remaining connectors from the Main Board.
3.
Remove all screws from the Main Board and lift to detach.
4. Reconnect the LVDS Cable.
NOTE:
Make sure to secure the 2 locking clips
.
5. Install the new Main Board, screws and all connectors.
6. Update the Software.
6. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the Sony
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.
7. After update is complete, press
POWER
to turn off the TV.
KDL-39R475A/42R474A/42R475A/46R475A 15
SECTION 3 - REPAIR INFORMATION
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
<[
TPT390J1
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
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
<[
TPT390J1
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
10. Press
or to select the correct Panel Code for the TV model.
(Use the table below for reference).
Nombre del Modelo Código del Panel
KDL-39R475A
TPT390J1
KDL-42R474A
KDL-42R475A
TPT460H1
KDL-46R475A
TPT420H2
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-39R475A
SERIAL NO
8500001
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
<[
TPT390J1
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
KDL-39R475A/42R474A/42R475A/46R475A 16
SECTION 3 - REPAIR INFORMATION
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
<[
TPT390J1
]>
UART Selection
No Log
SERIAL NUMBER EDIT
_ _ _ _ _ _ _
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
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
<[
TPT390J1
]>
UART Selection
No Log
SERIAL NUMBER EDIT
8500001
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
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
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
<[
TPT390J1
]>
UART Selection
No Log
SERIAL NUMBER EDIT
8500001
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
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