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KDL-55X4500 (CH)     2-8

7) B alancer Error (R ED 13 tim es blink )

This indicates Inverter board error of panel module.
BE micro pin163 on FBA board detects it.

BE Micro pin163    Normal condition : High / Error case : Low

40”: Check harness connection between CN6706 on D4 board and CN104 on
        inverter board of panel module.
46”, 55”: Check harness connection between CN 9700, 9701 on CB1 board and panel
               module.

KDL-55X4500 (CH)     2-9

2-2-4. AUDIO PROBLEM (Chart D)

Here is trouble shooting flow related audio

Audio
problem

Only 
Speaker out? 

YES

NO

UI setting

correct?

Volume, SP off/On

HP Link 

Analog
Channel
Problem ?

Digital
Channel
Problem?

HDMI
Problem ?

Set correctly or
reset by menu.

Check 
Speaker
ACW board
K2 board

NO

YES

NO

NO

Check
FBA board
ACW board
K2 board
Joint connector 

Check
ACW board

Check
FBA board
ACW board
Joint connector

YES

YES

YES

NO

Check
ACW board
K2 board 

KDL-55X4500 (CH)     2-10

2-2-5. VIDEO PROBLOM (Chart E)

Here is trouble shooting flow related Video

Video
problem

All inputs
have
problem?

YES

NO

Digital

/Analog

Channel

Problem ?

Component
Problem?

HDMI
Problem ?

Check
LVDS harness
G6/G7/GL boards
FBA board
Panel Module
CB1 board

NO

NO

Check
FBA board
ACW board
Joint connector

Check
FBA board
ACW board
Joint connector

Check
FBA board
ACW board
Joint connector

YES

YES

YES

NO

NO

Check
FBA board

YES

YES

Back Light
turn on?

OSD
appear ?

NO

Check
LVDS harness
FBA board
CB1 board

VCBS
Problem?

Check
ACW board

YES

KDL-55X4500 (CH)     2-11

No Picture

Power-ON_LED

Light 

STBY_3.3V

OK?

G6 board has problem.
Change G6 board.

No

No

Yes

Yes

STBY_LED

Blinking?

Yes

2 times 

blinking

6 times
blinking

Yes

Yes

No

No

Signal board has problem.
Check signal-board

G6 board has problem.
Change G6 board.

No

Signal board has problem.
Check signal-board

AC_OFF_DET

more than 3V

Yes

G6 board has problem.
Change G6 board.

No

CN6150 9pin

more than 3V

Yes

Signal board has problem.
Check signal-board

No

G6 board has problem.
Change G6 board.

CN6150 1-4pin

=12

±

1V

Signal board has problem.
Check ACW board

Yes

No

2-2-6. NO PICTURE

to 

GL board check

Power-ON