Led Display Control; Led Pattern; Standby Led Error Display - Sony KDL-40W900A Service Manual

Self Diagnostic Function

2-2. LED Display Control

Status White Center LED
Power Off
( by power saving switch Off
off and *1)
Power On Power On White White
Standby
( by remote control off only Off
)
Skype Call Receive white
White looping
Picture Off
breathing breathing
Device Connection White
Set "On Timer"/ Reminder
/ Set "Rec Timer" White
( Power On )
Set "On Timer"/ Reminder
/ Set "Rec Timer" Off
( Standby )
Failure Off
Aging mode white
End of Aging mode White
Software Updating white blinking
Software Updating finish Off
Test Reset White
Error of panel ID Off
REC [AEP/J only] REC [AEP/J l ] White Whit
Picture Frame White
ePOP/
White
Shop Illumination

2-3. LED Pattern

When safety shutdown occurs, Standby LED display reports the cause by using the lightning
.
patterns as indicated below patterns as indicated below
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.
Side RGB LED Side Amber LED
*1 power switch off (by side
Off Off
Main-micro is in normal
Off Off Off Off
operation
Main-micro block is in sleep
Off Off
white blinking Off
one time blinking Off
cyan Off
Orange Off
Off Orange
The number of LED blinking
Red indicates cause of failure
Off
Blinking ( refer to the table of next
Blinking:0.5sec On / 0.5sec
Green Blinking Off
Green Blinking Off Blinking:3sec On / 3sec Off
white blinking off
Blue lit off
white blinking Off
Orange Blinking:0.5sec On / 0.5sec
Green Blinking
Blinking
R d(Pi k) Lit Red(Pink) Lit Off Off
Orange Off
Cyan Lit/ One shot Center White when
Off
Cyan loop feature change
3.0sec 3.0sec

2-4. Standby LED Error Display

Note: Details refer to Troubleshooting Section.
Remarks
Smart Core RED
LED blinking
key)
count
2x
mode
3x
4x
page )
Off Off
5x
Off
6x
7x
8x
Detection Items
Main 19.5V failure [MAIN_POWE]
* This failure is not saved
Main 5.0/3.3/1.8/1.0/ 1.1V failure [DC_ALERT]
* 5.0/1.0V failures are not saved.
Audio amp. protection [AUD_PROT]
HDMI equalizer/switch I2C NACK [HDMI_EQ]
*There is Temp. sensor on the same I2C bus
Tuner or demodulator I2C NACK [TU_DEMOD]
AFE device I2C NACK [AFE I2C] [ _ ]
AFE device SPI NACK [AFE_SPI]
(only for AEP,CH,HK)
LED Driver Error [LD_ERR] (HG/TE Model)
T Con Error [TCON_ERR] (MD/MW/HG/TE T Con Error [TCON ERR] (MD/MW/HG/TE
Model)
Panel ID EEPROM I2C NACK (Also panel
power failure is a suspect) [P_ID_ERR]
LED driver [BACKLITE]
Over temperature protection [TEMP_ERR]
*Temp. sensor I2C NACK [TEMP_ERR] *There
is HDMI Eq on the same I2C bus.
Software Error (VPS/MEPS/HOST/STBY/AFE
WDT) WDT)
Size
40"
46"
55"
Board Error Item
 Power Adaptor

B* Board Error

B* Board Error

B* Board Error
 
Speaker Error Speaker Error
 B* Board Error

B* Board Error
  B* Board Error

B* Board Error
 LED Driver Error
 Panel Module
 Tcon Board
module

Panel
board

Tcon
 G*
Board Error

B* Board Error
 LED Driver (LD) Board Error
 B* Board Error
 B* Board Error  B* B
d E
B* Board Type
G* Board Type
OTHERS OTHERS JP JP
BA2-S BA2-W G1A
BA2-S BA2-W G1A
BA2-S BA2-W G1B
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