51
(Power off)
Disconnect LDP5 and LDP6
connectors. Short check between
pin3 of LDP5 and GND,
pin3 of LDP6 and GND.
NG
NG
Both OK
LDP board
Connect LDP5 and LDP6
connectors. Power on.
Check if the voltage
of SRV-VLED1, VLED2 (pin 1 of
LDP5/LDP6) before LED 1 blink?
ALL OK
NG
OK
64V(*)
P board
Panel Module
LDP board
Shorted
OK
Short check between SRV-
VLED1, VLED2 and GND
Panel Module
Power on.
Check if the voltage
of SRV-64V (pin 19/20 of P2)
before LED 1 blink?
(*)VLED : The DC level is different by the LCD panel.
Ex. 65EX600 series
Troubleshooting for LED Blinking ( 1 time blink ) for A+P+LDP type -2
<A+P+LDP>
