DOWNLOAD Sony XBR-55HX950 / XBR-65HX950 Service Manual ↓ Size: 6.8 MB | Pages: 55 in PDF or view online for FREE

Model
XBR-55HX950 XBR-65HX950
Pages
55
Size
6.8 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
xbr-55hx950-xbr-65hx950.pdf
Date
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Sony XBR-55HX950 / XBR-65HX950 Service Manual ▷ View online

XBR-55HX950/65HX950 12
SECTION 3 - FLOW CHARTS AND DIAGRAMS
No Power
Is standby LED 
blinking?
No
Yes
No
See protection 
flowchart
Yes
Does red standby 
LED on front panel 
light?
High (>2.5V)
on pin 7 of CN6101 
on power supply?
Yes
No
Main Board*
Press power 
button while 
monitoring pin 1 
of CN6101 on 
power supply 
board
High (3.3V)
appears 
momentarily?
Yes
No
Power Supply Board
Power Supply Board
Power Supply Board
Remove AC power and 
wait at least 30 
seconds before re-
applying
NO POWER FLOWCHART
*For Part Number information, refer to 
“Section 4 - Disassembly/Part Number Information” on page 17
.
XBR-55HX950/65HX950 13
SECTION 3 - FLOW CHARTS AND DIAGRAMS
STANDBY LED BLINKING
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
Main Board*
Check ventilation
10X
HEM3 Board
Power Supply 
Board*
8X
See Resolving an 
8x Error
10X
3D IR Emitter 
Board*
PROTECTION SHUTDOWN FLOWCHART
*For Part Number information, refer to 
“Section 4 - Disassembly/Part Number Information” on page 17
.
XBR-55HX950/65HX950 14
SECTION 3 - 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
Yes
Yes
Main Board*
Locate 
CN6401 on 
Power Supply 
Board
Zero volts at 
Pin 2?
TCON
(LCD Panel)*
Yes
No
Zero volts at 
Pin 4?
Yes
Main Board*
No
LCD Panel*
NO VIDEO FLOWCHART
*For Part Number information, refer to 
“Section 4 - Disassembly/Part Number Information” on page 17
.
XBR-55HX950/65HX950 15
SECTION 3 - 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)
VIDEO DISTORTION
*For Part Number information, refer to 
“Section 4 - Disassembly/Part Number Information” on page 17
.
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