Sony KDL-46W955A / KDL-55W955A Service Manual ▷ View online
KDL-46W955A/55W955A 9
SECTION 2 - TROUBLESHOOTING
STANDBY LED BLINKING FLOWCHART
Protect
Shutdown.
Standby LED
Blinking
No
Yes
Power Supply
Board*
No
Yes
2X
Main Board*
3X
4X
No
Yes
5X
Yes
6X
No
7X
Imediately
LCD Panel*
TCON*
(LCD Panel)
Yes
No
After a while
Check ventilation
10X
HEM3 Board
8X
See Triage Chart
Main Board*
Power Supply
Board*
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 18
.
KDL-46W955A/55W955A 10
SECTION 2 - TROUBLESHOOTING
VIDEO DISTORTION FLOWCHART
Video Distortion
Is distortion
across entire
screen?
Any horizontal
lines?
No
No
Yes
Yes
Improper or
missing colors?
Yes
Main Board*
No
Vertical lines
or bars?
No
Yes
Lines
move when
wide-mode
changed?
Yes
No
TCON*
(LCD Panel)
Main Board*
LCD Panel*
Any single or
isolated vertical
lines?
Yes
LCD Panel*
More than 1
vertical band?
No
Yes
TCON*
(LCD Panel)
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 18
.
KDL-46W955A/55W955A 11
SECTION 2 - TROUBLESHOOTING
NO 3D VIEWING FLOWCHART
Confirm with another
pair of Active
3D Glasses/
One Touch Remote
Control?
No
Double images
displayed on
screen?
Yes
Main Board*
No
Yes
Press “3D” button on
Remote Commander
and select
“Simulated 3D”.
Active 3D
Glasses
View image with
known working
pair of Active
3D Glasses.
Double images
become one?
Yes
3D OK
No
Bluetooth
Board*
3D Not Working
Double images
become one/
Remote works
OK?
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 18
.
KDL-46W955A/55W955A 12
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.
REMOVING THE TABLE-TOP STAND
1. Grasp Rear Ornament as shown to release clips and remove.
2. Remove 4 screws from Table-Top Stand and pull down as shown to
detach from Rear Cover.
REMOVING THE REAR COVER
1. Locate and remove all screws from Rear Cover.
2. Remove 2 screws from AC Cover and disconnect the AC Power Cord.
HOLD
3. After removing the screws, grasp the AC Cover opening and the bottom
right side of the Rear Cover, then carefully pull upwards to detach.
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