Micom Part Check; Section 4 Electrical Troubleshooting Guide Of Aduio Part - LG FB162-A0U Service Manual

SECTION 4 ELECTRICAL TROUBLESHOOTING
1. MICOM PART CHECK I
Check P7904 6PIN P-SENS
YES
Check power of both
terminals of IC101 KIA7042
YES
Check IC100 78KO/KF2
1 PIN power
YES
OK
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
GUIDE OF ADUIO PART
NO
Refer to SMPS
Troubleshooting
NO
Check if IC101 KIA7042
input is over 5V.
YES
Check if output voltage
of IC101 KIA7042 is 4.3V
YES
NO
Check the related part
of IC101 KIA7042
OK
4-1
NO
Replace the
related parts
LGE Internal Use Only