Sony SDM-N50R Service Manual page 5

DIAGNOSIS
Factorical preservation register
Display part trouble SHUTDOWN_LOG1 bit4 (16)
Backlight trouble SHUTDOWN_LOG1 bit2 (4)
Body temperature trouble SHUTDOWN_LOG1 bit3 (8)
5V voltage anomalous SHUTDOWN_LOG1 bit5 (32)
3.3V voltage anomalous SHUTDOWN_LOG1 bit6 (64)
*Aging mode ........................................... No input signal and press CONT key for longer than 2 second.
LED
Part of the body only Red (0.5 sec) and Off (0.5 sec)
Parts of the body and the display Amber (0.5 sec) and Off (1.5 sec)
Parts of the body and the display Amber (1.0 sec) and Off (1.0 sec)
Parts of the body and the display Amber (1.5 sec) and Off (0.5 sec)
Parts of the body and the display Amber (1.5 sec) and Off (0.5 sec)
LED indicates
SDM-N50R(E) 5