Read Sony KDL-43W780C Service Manual online
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
.
3.0sec
3.0sec
0.5sec
0.5sec
Example: T he figure above s hows 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 n ote t hat a 3 seconds i nterval of lighting of f is fixed r egardless of abnormal s tate t ypes.
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
* This failure is not saved
Power Adapter
BAXL Board
3x
Main 5.0/3.3/1.0 failure [DC_ALERT]
* 5.0/1.0V failures are not saved.
* 5.0/1.0V failures are not saved.
BAXL Board
Audio amp. protection [AUD_ERR]
BAXL Board
Speaker
HDMI equalizer/switch I2C NACK [HDMI_EQ]
* There is Temp. sensor on the same I2C bus
BAXL Board
Tuner or demodulator I2C NACK [TU_DEMOD]
BAXL Board
Tuner Board
AFE device I2C NACK [AFE_I2C]
BAXL Board
Tuner Board
AFE device SPI NACK [AFE_SPI] * only for AEP,CH
BAXL Board
Tuner Board
4x
LED driver failure [LD_ERR]
LED driver (LD) board
Panel Module
LED voltage error [VLED]
5x
Panel ID EEPROM I2C NACK (Also panel power failure is a
suspect)
suspect)
[P_ID_ERR]
(*detect at startup sequence only)
Panel module
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]
Temp. sensor I2C NACK [TEMP_ERR]
BAXL Board
8x
Software Error (Also the main board’s memory or CAM module is a
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 U pdating
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
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