Sony XBR-65X800B Service Manual ▷ View online
XBR-65X800B 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
Yes
Yes
6X
No
7X
Imediately
LCD Panel/
LD Board*
TCON
(LCD Panel)*
Yes
No
No
No
After a while
Check ventilation
10X
HEM3 Board
8X
See Triage Chart
10X
HEM3 Board
9X
Tuner Board*
Main Board*
Power Supply
Board*
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 19
.
XBR-65X800B 10
SECTION 2 - TROUBLESHOOTING
NO VIDEO FLOWCHART
No Video
Backlights
turned on?
Unplug LVDS
connector with
unit off. Turn unit
back on.
Test patterns
display on
screen?
Yes
No
TCON*
(LCD Panel)
Sony logo
appears
momentarily?
No
Main Board*
No
Yes
Yes
Main Board*
Locate
CN6401 on
Power Supply
Board.
Zero volts at
Pin 5?
TCON*
(LCD Panel)
Yes
No
Zero volts at
Pin 3?
Yes
Main Board*
No
LCD Panel*
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 19
.
XBR-65X800B 11
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 19
.
XBR-65X800B 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.
Place TV face down on a flat and soft surface.
Locate and remove the screws as shown to detach the Right and Left
Stand.
REMOVING THE REAR COVER
1.
Remove 1 screw from the AC, Cover and lift to detach, then disconnect
the connector and slide it left as shown.
2.
Locate and remove all screws from the Rear Cover.
XBR-55X850B
XBR-65X850B
3.
Locate the Cover, Stand and lift as shown to remove from Rear Cover.
Cover, Stand
Cover, Stand
4.
Locate and remove 2 screws from Reflector, SP to lift and detach.
Reflector, SP
Reflector, SP
Click on the first or last page to see other XBR-65X800B service manuals if exist.