Sony KDL-24R425A / KDL-32R424A / KDL-32R425A Service Manual ▷ View online
KDL-24R425A/32R424A/32R425A 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 carefully detach from
Rear Cover.
REMOVING THE REAR COVER
KDL-24R425A
1.
Remove screws from the Rear Cover.
2.
Slide Power Cord to the left and release the AC Cover.
3.
Press upwards on the areas shown to separate the Rear Cover. Slide
the Power Cord through the AC Cover opening. Lift to remove.
CAUTION: Do not use the Table-Top Stand
to hold or carry the TV.
KDL-24R425A/32R424A/32R425A 14
SECTION 3 - REPAIR INFORMATION
KDL-32R424A/32R425A
1.
Remove screws from the Rear Cover.
2.
After removing the screw from the AC Cover, slide Power Cord to the
left and release the AC Cover.
3.
Press upwards on the areas shown to separate the Rear Cover.
Slide the Power Cord through the AC Cover opening.
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 20.
1.
Remove 2 screws from Vesa Brackets.
NOTE:
This step is needed only for 24” models.
2.
Disconnect LVDS cables and all connectors from the Main Board.
3.
Remove 4 screws and Side Bracket to detach board from Rear Cover.
4. Install the new Main Board, screws, LVDS cable and all other
connectors.
KDL-24R425A/32R424A/32R425A 15
SECTION 3 - REPAIR INFORMATION
5. 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.
6.
After update is complete, press
POWER
to turn off the TV.
7. 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
<[
21_LSY320AN02
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
8. 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
<[
21_LSY320AN02
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
9. Press
or to select the correct Panel Code for theTV model.
(Use the table below for reference).
Model Name
Panel Code
Panel ID
KDL-32R424A
KDL-32R425A
KDL-24R425A
21_LYS320AN02
LYS320AN02
V236BJ1E1
20_V236BJ1
CAUTION: Select ONLY the correct Panel Code.
10.
Locate the Serial Number for the TV on the side of the Rear Cover.
MODEL NO
KDL-32R425A
SERIAL NO
8500001
KDL-24R425A/32R424A/32R425A 16
SECTION 3 - REPAIR INFORMATION
11. 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
<[
21_LSY320AN02
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
12. 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
<[
21_LSY320AN02
]>
UART Selection
No Log
SERIAL NUMBER EDIT
_ _ _ _ _ _ _
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
13. Press
or
to select numbers and then to move to the next
space 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
<[
21_LSY320AN02
]>
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.
14. When the complete Serial Number displays, press
.
15. On the confirmation screen, press to select
YES and then
.
Input Data Correct?
Yes
No
Selected text displays in black
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