Micom Part Check I - LG XC62-A0U Service Manual

2. MICOM PART CHECK I

MICOM part check I
YES
Check P-SENS
(P7904)_PIN6.
YES
Check both
end voltage of IC101
(KIA7042).
YES
Check voltage of IC100
78KO/KF2_PIN1.
YES
OK
NO
Refer to
SMPS troubleshooting.
Check
NO
if input voltage of
IC101(KIA7042) is
over 5V.
YES
Check if IC101(KIA7042) of
output voltage is over 4.3V.
YES
OK
Check the
NO
periphery of IC101
(KIA7042).
3-4
NO
Replace IC101
(KIA7042).
YES