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9
Self Diagnostic Function
2-4. Standby LED Error Display
2-2. LED Display Control
When safety shutdown occurs, Standby LED display reports the cause by using the lightning
patterns as indicated below
patterns as indicated below
.
3.0sec
3.0sec
0.5sec
0.5sec
Example: The figure above shows LED display when SHUTDOWN is caused by Audio
Error. It repeats flashing for a specified number of times in 0.5sec/cycle and has a 3 seconds
interval of lighting off. Please note that a 3 seconds interval of lighting off is fixed regardless of abnormal state types.
Error. It repeats flashing for a specified number of times in 0.5sec/cycle and has a 3 seconds
interval of lighting off. Please note that a 3 seconds interval of lighting off is fixed regardless of abnormal state types.
2-3. LED Pattern
Smart
Core RED
LED
blinking
count
Detection Items
Board Error Item
2x
Main 19.5V failure [MAIN_POWE]
* This failure is not saved
Power Adapter
BAXL Board
BAXL Board
3x
Main 5.0/3.3/1.0 failure [DC_ALERT]
* 5.0/1.0V failures are not saved.
BAXL Board
Audio amp. protection [AUD_ERR]
BAXL Board
Speaker
Speaker
HDMI equalizer/switch I2C NACK [HDMI_EQ]
* There is Temp. sensor on the same I2C bus
* There is Temp. sensor on the same I2C bus
BAXL Board
Tuner or demodulator I2C NACK [TU_DEMOD]
BAXL Board
Tuner Board
Tuner Board
AFE device I2C NACK [AFE_I2C]
BAXL Board
Tuner Board
Tuner Board
AFE device SPI NACK [AFE_SPI] * only for AEP,CH
BAXL Board
Tuner Board
Tuner Board
4x
LED driver failure [LD_ERR]
LED driver (LD) board
Panel Module
Panel Module
LED voltage error [VLED]
5x
Panel ID EEPROM I2C NACK (Also panel power failure is a
suspect) [P_ID_ERR]
(*detect at startup sequence only)
suspect) [P_ID_ERR]
(*detect at startup sequence only)
Panel module
Tcon board
G** Board
BAXL Board
Tcon board
G** Board
BAXL Board
6x
Backlight failure [BACKLIGHT]
LED driver (LD) board
7x
Over temperature protection [TEMP_ERR]
Temp. sensor I2C NACK [TEMP_ERR]
BAXL Board
8x
Software Error (Also the main board’s memory or CAM module is a
suspect)
suspect)
BAXL Board
9x
Tuner board error [TU_BOARD]
Tuner Board
Status
White Center
LED
(applicable for
HSC2 only)
Side RGB LED
Side Amber
LED
Remarks
Power Off
( by power saving switch off and *1)
Off
Off
Off
*1 power switch off (by side
key)
Power On
White
Off
Off
STBY/i.LINK STBY/PC STBY
( by remote control off only )
Off
Off
Off
Skype Call Receive
White
White one shot
Off
Picture Off
White looping
White one shot
Off
Device Connection
White
Cyan one shot
Off
Power ON Animation
White
White one shot
Off
Sleep Timer/On
Timer/Reminder/REC Timer/Photo
Frame
( Power On )
White
Amber
One shot -> Lit*2
Off
*2 One Shot is only user action.
On Timer/Reminder/REC Timer
( Deep Standby )
Off
Off
Amber
After 5 minutes, side amber
LED On
Failure
Off
Red
Blinking
Off
The number of LED blinking
indicates cause of failure
( refer to Led Error / Triage
chart)
Aging mode
White
Green Blinking
Off
Blinking:0.5sec On / 0.5sec Off
End of Aging mode
White
Green Blinking
Off
Blinking:3sec On / 3sec Off
Software Updating
white blinking
white blinking
off
Software Updating finish
White
Blue lit
off
Test Reset
White
white blinking
Amber
blinking
Error of panel ID
White
Green Blinking
Amber
Blinking
Blinking:0.5sec On / 0.5sec Off
REC (SCART REC & HDD
REC/LIVE PAUSE) [AEP/J only]
White
Red(Pink)
One shot -> Lit*2
Off
*2 One Shot is only user action.
ePOP/
Shop Illumination
White
Cyan loop
Off
Size
B** Board Type
G** Board Type
H**
Board
Type
Tuner Board
America/
Asia/Europe
Japan
32”
BAXL
Not applicable
HSC3
TUS
TUW
40”
BAXL
Not applicable
HSC3
TUS
TUW
48”
BAXL
Not applicable
HSC3
TUS
TUW
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
No
Power
Video
- missing or distorted
Remote Network
Audio
Skype
Smart
Core
Bluetooth
(BT)
2
3
4
5
6
7
8
9
10
No White
Power
LED &
does not
response
to remote
(Dead
Set)
Stationary
coloured
lines or
dots
No
video
One of
Inputs
No
video
all
Inputs
No
Remote
Wireless
can't
connect
No Audio
Skype
Can't Work
Smart
Core no
LED (Set
is still
alive)
Bluetooth /
One Step
Remote
(OSR) can't
connect
BAXL Board
p
l
p
p
l
l
p
p
l
l
p
p
l
p
p
p
TU Board
p
p
l
p
l
l
p
H* Board
l
l
Speaker
p
l
Skype Module
l
Wi-fi Module
l
l
p
BT Module
l
LD Board
l
p
LVDS FFC
p
p
p
p
Tcon
p
l
p
p
p
p
LCD Panel
l
l
l
p
l
p
Problem
Power Power LD
Panel
(Tcon)
Panel
(Backlight) TEMP
Soft-
ware
ware
Emitter
Audio
FAN
(N/A)
Local
I2C
2-5. Triage Chart
Self Diagnostic Function
10
Secondary possible defective part
Not Applicable
Most likely defective part
Size
B** Board Type
G** Board Type
H**
Board
Type
Tuner Board
America/
Asia/Europe
Japan
32”
BAXL
Not applicable
HSC3
TUS
TUW
40”
BAXL
Not applicable
HSC3
TUS
TUW
48”
BAXL
Not applicable
HSC3
TUS
TUW
11
3-1. NO POWER
SECTION 3
TROUBLESHOOTING
Troubleshooting
No Power
Check STBY 3.3V
L9107 or C9179
Harness
broken
Replace
LD-board
to B-board
harness
B* Board
NG
OK
NG
OK
DC/DC converter check
NO POWER: Ayu2 control
Replace
LD-board
LD- board
broken
NG
OK
3-1-1. NO POWER
Size
B** Board Type
G** Board Type
H**
Board
Type
Tuner Board
America/
Asia/Europe
Japan
32”
BAXL
Not applicable
HSC3
TUS
TUW
40”
BAXL
Not applicable
HSC3
TUS
TUW
48”
BAXL
Not applicable
HSC3
TUS
TUW
3-1-2. NO POWER – LD Board
Board PWB ( A side )
Detail
L9179
C9179
No Power
Check F1002,
Is the voltage > 18V?
No
DC Adaptor
broken
Check D1001,
Is the voltage > 18V?
No
FUSE F1002
broken
Check Q1004,
Is the voltage > 18V?
No
MOSFET Q1004
broken
Check C1042,
Is the voltage > 3.3V?
No
Case 1 :
Check 3.3V DDCON
Check C1024,
Is the voltage > 12V?
No
Case 2 :
Check 12V DDCON
Yes
Yes
Yes
Yes
OK
Yes
B* Board
NO POWER: DC/DC converter check
Symptoms
Check connection
Harness CN1001
NG
Harness CN1001
broken
12
Troubleshooting
Case 1 : Check 3.3V DDCON
Remove Harness CN1001
and Check C1042,
Is the Power line
short to ground?
Yes
DDCON IC1002
broken
Check 3.3V DDCON
Check F1004,
Is the voltage > 18V?
Yes
No
FUSE F1004
broken
No
B* Board
NO POWER: DC/DC converter check
Symptoms
Remove Harness CN1001
and Check C1042,
Is the voltage > 3.3V?
No
DDCON IC1002
broken
Yes
Case 2 : Check 12V DDCON
Remove Harness CN1001
and Check C1024,
Is the Power line
short to ground?
Connect Harness CN1001
and Check Pin 3 IC1001,
Is the voltage > 3V?
Yes
DDCON IC1001
broken
Check 12V DDCON
Check F1003,
Is the voltage > 18V?
Yes
No
FUSE F1003
broken
No
B* Board
NO POWER: DC/DC converter check
Symptoms
DDCON IC1001
broken
Yes
No
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