2-2
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Only for training and service purposes
LGE Internal Use Only
2. FRONT CIRCUIT (1/2)
YES
YES
YES
YES
YES
YES
YES
NO NO
Reconnect it.
(Refer to notice *1)
Red LED turn off? Check if PN301 is ok?
NO
NO
NO
Refer to smps part.
Check pattern and
resoldering
Is the Digitron on correctly?
Check if all buttons
are ok?
Check if the front
power is ok?(*2)
Check if DIS301 is ok?
NO
1
Check if the
remote control is ok?
NO
2
Power on.
Front B/D ok.
*1 : When it is needed to reconnected FFC cable into PN301
Short 1pin of PN103 with 18pin of CN901 in amp part
*2 : PN603 Pins.
PIN1 : -35 VKK
PIN2 : -30 FL+
PIN3 : -33 FL-
PIN7 : +5V
PIN13 : +5VA