Sony KDL-65HX729 Service Manual ▷ View online
KDL-65HX729 39
SECTION 5 - FLOW CHARTS AND DIAGRAMS
STANDBY LED BLINKING
Protect
Shutdown.
Standby LED
Blinking
No
Yes
G12 Board
G11 Board
No
Yes
2X
BATL Board
3X
4X
No
Yes
5X*
Yes
6X
No
7X
Imediately
LCD Panel
TCON
LCD Panel
Yes
No
After a while
Main Board
Check
ventilation
10X
HEM2 Board
G12 Board
8X
No
Yes
Service
Bulletin
E50735452
No
Yes
*If 5X issue is
intermittent, see
Service Bulletin
E51044438 about
possible HLR Board
failure
FIGURE 5-3. PROTECTION SHUTDOWN FLOWCHART
KDL-65HX729 40
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NO PICTURE
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
TCON
(LCD Panel)
Yes
Yes
Main Board
FIGURE 5-4. NO VIDEO FLOWCHART
KDL-65HX729 41
SECTION 5 - FLOW CHARTS AND DIAGRAMS
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)
FIGURE 5-5. VIDEO DISTORTION
KDL-65HX729 42
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NO 3D VIEWING
3D Not Working
Use video or still
camera to view IR
LED’s on IR
transmitter
IR LED’s lighting?
No
Double images
displayed on
screen?
Yes
Main Board
No
Yes
Press “3D”
button on
remote
commander
LOCATED ON LOWER RIGHT CORNER
SYNC EMITTER
DIODES
Shutter Glasses
View image with
known working
pair of shutter
glasses.
Double images
become one?
Yes
3D OK
No
HEM2 Board
FIGURE 5-6. NO 3D FLOWCHART
Click on the first or last page to see other KDL-65HX729 service manuals if exist.