LG XH-T3029S Service Manual page 11

2. Front circuit (1/2)
Power on.
Red LED turn off?
Yes
Is the Digitron on
correctly?
Yes
Check if all
buttons are ok?
Yes
Check if the remote
control is ok?
Yes
Front B/D ok.
LGE Internal Use Only
No
Check if
PN1301 is ok?
Yes
No
Check if the front
power is ok?(*2)
Yes
1
No
Check if
2
RM301 is ok?
No
Reconnect it.(Refer to notice *1)
No
Refer to SMPS part.
Check pattern and resoldering
2-2 Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes