LG TH900 Manual page 24

ELECTRICAL TROUBLESHOOTING GUIDE
2. MCS PART CHECK
MCS PART CHECK
Check if voltage
of CN202 pin1, 2: 12 V.
Check if IC205
have 3.3 VA & 1.2 VA output.
Check if IC505
have DVCC_3.3V output.
X501: 32.768 kHz, X500: 24 MHz
Check the operation.
OK
YES
YES
YES
YES
YES
NO
Refer to SMPS troubleshooting.
NO
Check and change IC205.
NO
Check and change IC505.
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