Sony KDL-32R435A / KDL-40R485A / KDL-46R485A Service Manual ▷ View online
KDL-32R435A/40R485A/46R485A 9
SECTION 2 - TROUBLESHOOTING
NO VIDEO FLOWCHART
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?
Yes
No
Any OSD
graphics
present?
No
Main Board*
No
LCD Panel*
Yes
Yes
Main Board*
LCD Panel*
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 16
.
KDL-32R435A/40R485A/46R485A 10
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
the TV.
the TV.
REMOVING THE LOWER COVER
1.
Locate and remove all screws from the Lower Cover.
2.
Grasp the bottom of the Lower Cover as shown to release the clips and
lift upwards to detach.
KDL-32R435A/40R485A/46R485A 11
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
5. Install the new Main Board and screws.
6. Reconnect LVDS cable in the connector and close locking clips to
6. 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.
7.
Reconnect all remaining connectors.
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 16.
1.
Locate and lift the black locking bar and pull the LVDS Cable to release.
2.
Disconnect remaining connectors.
3.
Slide the Side Brackets to remove from the board.
4. Locate and remove all screws from the Main Board, then lift to detach.
KDL-32R435A/40R485A/46R485A 12
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
10.
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
DS3S400NN01
11.
Press or to select the correct Panel Code for the TV model.
(Use the table below for reference).
Model Name
Panel Code
KDL-32R435A
US3S320NN01
KDL-40R485A
DS3S400NN01
KDL-46R485A
DS3S460NN01
CAUTION: Select ONLY the correct Panel Code.
12.
Locate the Serial Number for the TV on the side of the Rear Cover.
MODEL NO
KDL-40R485A
SERIAL NO
2000001
8.
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.
9. 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
<[
DS3S400NN01
]>
UART Selection
No Log
SERIAL NUMBER EDIT
MODEL NAME EDIT
[</>]Set [Home] Exit
Service Mode
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