LG MICRO Hi-Fi SYSTEM - Page 16

3-3
5. MICOM PART CHECK II
YES
NO
Refer to SMPS
troubleshooting
Check D101 RS1G
output is working on 5V
YES
Check IC100
14, 55, 89pin 5V
YES
YES
OK
YES
Check the related part
Replace the related parts
YES
Check the working condition
X101:32.768kHz
X100:9.8304MHz
Check P7904 5pin 5.6V
YES
NO
Check power
of both terminals of D101
RS1G
YES
NO
Check IC102
KIA7027 3pin 4V
Check the related part
MICOM PART CHECK II
NO
NO
Replace the related parts
Check IC102 1pin high
NO
Check output power of IC101
KIA7042 is over 4.3V
YES
OK
YES
OK