LG LST-3100A Service Manual page 26

(C)
YES
Is the pin 3 of IC103 reset ?
YES
Is the pin 4 of IC104 reset ? Fig. 03
YES
Is the pin 93 of IC109 reset ?
YES
Is the pin 10 of IC104 reset at the
time of power- button on? Fig. 04
Fig. 03
NO
NO
NO
NO
Fig. 04
3-17
IC103 Check
IC104 Check
IC109 Check
IC104 Check