Led Pattern; Standby Led Error Display - Sony KDL-22EX420 Service Manual

Self Diagnostic Function

2-4. LED Pattern

When safety shutdown occurs, Standby LED display reports the cause by using
the lighting patterns as indicated below.
Example:The figure above shows LED display when SHUTDOWN is caused by
Balancer 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 second interval
of lighting off is fixed regardless of abnormal state types.
KDL- 22 EX423, 26 EX423, 32 EX420, 32, 40, 46 EX523

2-5. Standby LED Error Display

Blinking
Error
Times
2 Main Power Error
Main Board / DC Alert
3
Error / Audio Error
Balancer Error / M M
4
SPI Error / VLED Error
Tcon Error / HFR Error /
FRC No
5
Panel ID NVM Error
6 Backlight Error
7 Temperature Error
8 Software Error
9 Reserved
Emitter Board Power
10
Error
17
KDL- 22, 26 EX420, 32,40,46 EX520
RM-GD020, CD013
Countermeasure t o replaced either / all
Power Supply Board
Main Board
Main Board
Not applicable for this manuall
Not applicable for this manuall
Tcon
Panel Module
Power Supply Board
Main Board
Panel
Main Board
Main Board
Wif i (Not applicable for this manual)
Reserved
Not applicable for this manual
RM-GD020