SONY KDL40R450A, KDL46R450 LCD TV – HOW TO DISASSEMBLE, HOW TO REPLACE THE MAIN BOARD
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 error.
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.
1. Verify the television has the symptom the customer indicated.
2. Replace part causing the error.
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.
REF. NO; PART NO; DESCRIPTION - KDL-46R450A
51 1-910-107-50 FFC CABLE 40 MB-KEY 6P
52 1-910-107-47 CONNECTOR ASSEMBLY 40/46 PSU-LED
53 1-910-107-44 GROUND CABLE 40 MB-PSU (M) (LA,MX MODELS ONLY)
54 1-910-107-46 GROUND CABLE 40 MB-S0URCE
55 1-910-107-48 (LVDS) FFC CABLE 40 MB-TCON 51P
56 1-910-107-49 FFC CABLE 40 MB-IR 10P
57 1-910-107-43 CONNECTOR ASSEMBLY 40 MB-SP LR 4P
58 1-910-107-42 CONNECTOR ASSEMBLY 40 MB-PSU 14P
59 1-910-107-45 GROUND CABLE 40 MB-PSU (L)
101 1-910-107-67 FFC CABLE 46 MB-KEY 6P
102 1-910-107-47 CONNECTOR ASSEMBLY 40/46 PSU-LED
103 1-910-107-62 GROUND CABLE 46 MB-PSU (M)
(LA,MX MODELS ONLY)
104 1-910-107-64 GROUND CABLE 46 MB-S0URCE
105 1-910-107-65 (LVDS) FFC CABLE 46 MB-TCON 51P
106 1-910-107-61 CONNECTOR ASSEMBLY 46 MB-SP LR 4P
107 1-910-107-66 FFC CABLE 46 MB-IR 10P
108 1-910-107-60 CONNECTOR ASSEMBLY 46 MB-PSU 14P
109 1-910-107-63 GROUND CABLE 46 MB-PSU (L)
The following information explains how to remove the Table-Top Stand and Rear Cover.
REMOVING THE TABLE-TOP STAND
Place TV facing down on a soft and flat surface.
Remove 2 screws from Table-Top Stand and carefully detach from Rear Cover.
REMOVING
THE COVER UNDER
Remove
the 13 screws from the Cover Under.
Hold
the bottom of the Cover Under with both thumbs and flip to open it.
Grasp
the Cover Under from the corner and lift to detach from the bottom.
REPLACING
THE MAIN BOARD
The
Main Board used in these models is available for repair
Disconnect
LVDS and FFC connectors.
a. Press both sides to unclamp connector and pull to release.
a. Press both sides to unclamp connector and pull to release.
b.
Lift the black bar and pull blue FFC cables to release.
Unplug connectors from the Main Board
Remove 5 screws from the Main Board
Lift to detach from the Rear Cover.
Replace with new Main Board.
Reconnect the LVDS, FFC Cables and all connectors.
a. Press both sides to clamp connector and insert back.
b. Hold the blue FFC cables and
insert back in the connector. Once the black marking line is straight,
close the bar to secure position.
