Self Diagnostic Function
2-4. Standby LED Error Display
2-2. LED Display Control
Status
White Center LED
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
Main-micro is in normal
Note: Details refer to Troubleshooting Section.
Smart Core RED
LED blinking
count
Detection Items
Board Error Item
Power On
White
Off
Off
operation
Standby
( by remote control off only
)
Off
Off
Off
Main-micro block is in sleep
mode
Skype Call Receive
white
white blinking
Off
Picture Off
White looping
breathing
one time blinking
Off
Main 19.5V failure [MAIN_POWE]
Power Adaptor
* This failure is not saved
B* Board Error
Main 5.0/3.3/1.8/1.0/ 1.1V failure [DC_ALERT]
* 5.0/1.0V failures are not saved.
B* Board Error
Speaker Error
2x
B* Board Error
Audio amp. protection [AUD_PROT]
breathing
Device Connection
White
cyan
Off
Set "On Timer"/ Reminder
/ Set "Rec Timer"
( Power On )
White
Orange
Off
Set "On Timer"/ Reminder
/ Set "Rec Timer"
Off
Off
Orange
Speaker Error
HDMI equalizer/switch I2C NACK [HDMI_EQ]
*There is Temp. sensor on the same I2C bus
B* Board Error
Tuner or demodulator I2C NACK [TU_DEMOD]
B* Board Error
AFE device I2C NACK [AFE I2C]
B* Board Error
3x
( Standby )
Failure
Off
Red
Blinking
Off
The number of LED blinking
indicates cause of failure
( refer to the table of next
page )
Aging mode
white
Green Blinking
Off
Blinking:0.5sec On / 0.5sec
Off
[
_
]
AFE device SPI NACK [AFE_SPI]
(only for AEP,CH,HK)
B* Board Error
LED Driver Error
Panel Module
T Con Error [TCON ERR]
(MD/MW/HG/TE
LED Driver Error [LD_ERR]
(HG/TE Model)
4x
Off
End of Aging mode
White
Green Blinking
Off
Blinking:3sec On / 3sec Off
Software Updating
white blinking
white blinking
off
Software Updating finish
Off
Blue lit
off
Test Reset
White
white blinking
Off
Error of panel ID
Off
Green Blinking
Orange
Blinking
Blinking:0.5sec On / 0.5sec
Off
REC [AEP/J
l ]
Whit
R d(Pi k) Lit
Off
T Con Error [TCON_ERR]
(MD/MW/HG/TE
Model)
Tcon Board
Panel
module
Tcon
board
G*
Board Error
B* Board Error
Panel ID EEPROM I2C NACK (Also panel
power failure is a suspect) [P_ID_ERR]
5x
REC [AEP/J only]
White
Red(Pink) Lit
Off
Picture Frame
White
Orange
Off
ePOP/
Shop Illumination
White
Cyan Lit/
Cyan loop
Off
One shot Center White when
feature change
When safety shutdown occurs, Standby LED display reports the cause by using the lightning
patterns as indicated below
2-3. LED Pattern
6x
LED driver [BACKLITE]
LED Driver (LD) Board Error
Over temperature protection [TEMP_ERR]
*Temp. sensor I2C NACK [TEMP_ERR] *There
is HDMI Eq on the same I2C bus.
8x
Software Error (VPS/MEPS/HOST/STBY/AFE
WDT)
B* B
d E
7x
B* Board Error
patterns as indicated below
.
3.0sec
3.0sec
0.
5sec
Size
B* Board Type
G* Board Type
OTHERS
JP
WDT)
B* Board Error
17
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.
OTHERS
JP
40”
BA2-S
BA2-W
G1A
46”
BA2-S BA2-W
G1A
55”
BA2-S
BA2-W
G1B
Summary of Contents for BRAVIA KDL-55W900A
Page 2: ...SERVICE MANUAL COMMON SERVICE MANUAL COMMON RB1G CHASSIS Segment HG LCD TV LCD TV ...
Page 118: ...RB1G CHASSIS W900A 904A 905A Troubleshooting 3 4 RB1 Analog Signal Path 118 ...
Page 149: ...RB1G CHASSIS W900A 904A 905A Troubleshooting Troubleshooting Reference BA2S SIDE B IC2201 149 ...
Page 159: ...RB1G CHASSIS W900A 904A 905A Troubleshooting Troubleshooting Reference BA2S SIDE B IC2201 159 ...
Page 232: ...RB1G CHASSIS W900A 904A 905A 5 2 Block Diagram Diagrams g 5 2 1 EUROPE 232 ...
Page 233: ...RB1G CHASSIS W900A 904A 905A 5 2 Block Diagram Diagrams 5 2 Block Diagram 5 2 2 JAPAN 233 ...
Page 234: ...RB1G CHASSIS W900A 904A 905A 5 2 Block Diagram Diagrams g 5 2 3 UC 234 ...
Page 236: ...RB1G CHASSIS W900A 904A 905A 5 2 Block Diagram Diagrams 5 2 Block Diagram 5 2 5 CHINA HK 236 ...
Page 237: ...RB1G CHASSIS W900A 904A 905A 5 2 Bl k Di Diagrams 5 2 Block Diagram 5 2 6 TAIWAN COL 237 ...
Page 238: ...RB1G CHASSIS W900A 904A 905A 2 Diagrams 5 2 Block Diagram 5 2 7 PAN ASIA 238 ...
