Slide 79Slide 79
Power LED Error Code Definition (2 of 2)
POWER LED
ERROR
CODE
CIRCUIT MONITORED
CONDITIONS TRIGGERING
THE SHUTDOWN
7 BLINKS
Scan Drive Circuit and
Connection between the SC
board and the SM board.
Missing Vsus.
Abnormality of the scan circuit output, the 15V_F, the
scn_pro, and Vscn circuit.
Loose or open Connection between the SC board and the
SM board (SC41, SC42, SC46).
Open or loose connection between connectors SC2/P2
Wrong diagnostic by the D board
Defective panel
8 BLINKS
Sustain Drive Circuit and
Connection between the SS
board and the Panel.
Abnormality of the sustain drive circuit.
Open or loose connection between the SS bd and FPCs
from the panel.
Open or loose connection between connectors C10/C20
Wrong diagnostic by the D board
Defective panel
9 BLINKS
Discharge Control Circuit
(IC9300)
Failure of IC9300
Wrong diagnostic by the D board
10 BLINKS
Abnormalities of the F+15V.
Reasons:
The P board is not generating the F+15V
SUB Voltages are affected by the K board or by
metal object present in the SD card slot..
Shorted Vsus (By the SS board or SC board).
Shorted Vda (By the panel, or any of the C board)
Wrong diagnostic by the A board.
11 Blinks Fan SOS
Fans
A board
Connection and Cables between fans and A board
12 Blinks Sound SOS
Pinched speaker wires
A board
Speakers
