Sony KDL-32EX650 / KDL-32EX651 / KDL-40EX650 / KDL-40EX651 / KDL-46EX650 / KDL-46EX651 Service Manual ▷ View online
KDL-32EX650/32EX651/40EX650/40EX651/46EX650/46EX651 12
SECTION 3 - FLOW CHARTS AND DIAGRAMS
No Power
Is standby LED
blinking?
No
Yes
No
See
Protection Shutdown
flowchart
Yes
Does red standby
LED on front panel
light?
Press power
button while
monitoring pin 3 of
CN6205 on power
supply board
High (3.3V)
on pin 3?
Yes
No
Main Board*
Power Supply
Board*
High (3.3V)
on CN6205/pin 2?
Yes
No
Power Supply
Board*
Power Supply
Board*
NO POWER FLOWCHART
*For Part Number information, Refer to
“Section 4 - Disassembly/Part Number Information” on page 16
.
KDL-32EX650/32EX651/40EX650/40EX651/46EX650/46EX651 13
SECTION 3 - FLOW CHARTS AND DIAGRAMS
STANDBY LED BLINKING
Protect
Shutdown.
Standby LED
Blinking
No
Yes
Power Supply
Board*
Yes
2X
Main Board*
3X
No
5X
Yes
6X
No
7X
Imediately
TCON
(LCD Panel)*
Yes
No
After a while
Main Board*
Check ventilation
Power Supply
Board*
8X
See Resolving an
8x Error
PROTECTION SHUTDOWN FLOWCHART
*For Part Number information, Refer to
“Section 4 - Disassembly/Part Number Information” on page 16
.
KDL-32EX650/32EX651/40EX650/40EX651/46EX650/46EX651 14
SECTION 3 - FLOW CHARTS AND DIAGRAMS
NO PICTURE
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
Power Supply
Board*
Yes
Yes
Main Board*
LCD Panel*
TCON Board*
NO VIDEO FLOWCHART
*For Part Number information, Refer to
“Section 4 - Disassembly/Part Number Information” on page 16
.
KDL-32EX650/32EX651/40EX650/40EX651/46EX650/46EX651 15
SECTION 3 - FLOW CHARTS AND DIAGRAMS
Video Distortion
Is distortion
across entire
screen?
Any horizontal
lines?
No
No
Yes
Yes
Improper of
missing colors?
Yes
Main Board*
No
Vertical lines
or bars?
No
Yes
Lines move
when wide-mode
changed?
Yes
No
LCD Panel
TCON Board*
Main Board*
LCD Panel*
Any single or
isolated vertical
lines?
Yes
LCD Panel*
More than 1
vertical band?
No
Yes
LCD Panel
TCON Board*
VIDEO DISTORTION
*For Part Number information, Refer to
“Section 4 - Disassembly/Part Number Information” on page 16
.
Click on the first or last page to see other KDL-32EX650 / KDL-32EX651 / KDL-40EX650 / KDL-40EX651 / KDL-46EX650 / KDL-46EX651 service manuals if exist.