SELF DIAGNOSIS FUNCTION
11
DIAGNOSTIC TEST INDICATORS
When an error occurs, the STANDBY LED will flash a set number of times
to indicate the possible cause of the problem.
If there is more than one error, the LED will identify the first of the problem
areas.
Result for all of the following diagnostic items are displayed on screen.
If the screen displays a “0”, no error has occurred .
0.5
0.5
3
DISPLAY OF STANDBY LED FLASH COUNT
Smart
Core
RED LED
blinking
count
Detection Items
Board Error Item
2x
Main 12V failure [MAIN_POWE]
* This failure is not saved
G** Board Error
BMX Board Error
3x
Main 5.0V failure [DC_ALERT]
BMX Board Error
Audio amp. protection [AUD_ERR]
BMX Board Error
Speaker
Tuner or demodulator I2C NACK [TU_DEMOD]
BMX Board Error
5x
Panel ID EEPROM I2C NACK (Also panel power
failure is a suspect)
[P_ID_ERR]
(*detect at startup sequence only)
Panel module
Tcon board
G** Board Error
BMX Board Error
FRC device I2C No ACK [FRCTC_I2C]
Tcon board
FRC device Initialization failure
[FRCTC_I2C]
(*detect at startup sequence only)
Tcon board
6x
Backlight failure [BACKLIGHT]
Panel module
G** Board Error
BMX Board Error
7x
Over temperature protection [TEMP_ERR]
Temp. sensor I2C NACK [TEMP_ERR]
BMX Board Error
Size
G* Board Type
65”
GL1SB
75”
GL1C
KDL-65W850C, 855C, 857C, 75W850C, 855C