LG MDD64K Service Manual page 18

5. MICOM PART CHECK II
MICOM PART CHECK II
YES
Check P-SENS
(P7904_pin6)
YES
Check both
end voltage of D101
YES
Check If IC103_pin8 and
IC100_pin14,40,55,89 are 5V
YES
X101:32.768KHz
X100:9.8304MHz
Check the operation
YES
OK
6. IC103(S24CS16A01) PART CHECK
CHECK IC100
PIN93,94
YES
pin93:DATA
pin94:CLK
YES
OK
NO
Refer to SMPS
troubleshooting
Check
NO
If output of
D101 is 5V
YES
Check D101
YES
OK
NO
Check MICOM
voltage 5V
YES
Check MICOM
YES
OK
3-3
NO
Replace D101
NO
Refer to MICOM
troubleshooting
NO
Replace MICOM