LG -E450 Service Manual page 105

TP2: C112
(+2V85_VRF_MTK )
TP1 : C108
(+1V8_VRF_MTK )
C100 10p
C101 10p
C103 10p
C106 10p
LGE Internal Use Only
TP1
U100
XO1/REFIN
CLK_MODE
TP3: C125
(+2V8_VTCXO_MTK )
MT6162
(U100)
TOP Side
TP2
REV 1.0
A2 C115 1n
REFCLK1
B3
REFCLK2
A4
REFCLK3
B5
VDDXO
A6
NC4
B7
XO2
C122
A8
B9
VTUNE
A10
B11
C126 1u
VSUP2b
A12
GND1
- 105 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
TP3
SYSCLK
+2V8_VTCXO_MTK
1n
MAIN_CLK_26MHz
C125 0.1u
Only for training and service purposes