Advertisement
Troubleshooting for LED Blinking ( 1 time blink ) for A+P type -2
<A+P>
Ex. 49/55EX600** series
Connect P3 connector.
(Power off)
OK
Power on.
Disconnect P3 connectors.
Check if the voltage
Panel Module
Short check between
*
Both
of SRV-VLED1/2(pin1,5 of P3)
over100V(
)
pin3,7 of P3 and GND.
OK
before LED 1 blink?
NG
Shorted
P board
OK
Short check between SRV-
P board
VLED and GND
Shorted
(P board: TNAP6376**)
(P board: TNAP6376**)
Panel Module
SRV-VLED2
SRV-VLED1
SRV-VLED
(*)VLED : The DC level is different by the model (LCD panel).
48
Advertisement
