4. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
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ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ͑
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Main clock part
TP1
TP2
TP1
TP2
C248
1u
38.4MHz
KT3225L38400UCW28TA0
X200
3
2
4
1
GND1
VCC
GND2
OUT
30
2
R
K0
01
U202
5
3
2
4
1
VOUT
VIN
GND
STBY
D
N
G
P
C246
100p
VDD_TCXO
VDD_TCXO
C247
1u
+VPWR
CLK_REQ
CLK_IN
38.4MHz TCXO
LDO for TCXO
TP1
TP2