LG KP175 - RTC Trouble

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Only for training and service purposes
4. TROUBLE SHOOTING
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4.15 RTC Trouble
TEST POINT
CIRCUIT
X100
R105
_RD
X100SSP-T7-F_7PF_20PPM
12
3
4
32.768KHz
_LBS
10M
R105
C122
DNI
OSCIN
OSCOUT
W3
A18
NHWR
A17
NLWR
NRD
A16
NWAIT
A12
B12
NWE
W4
H4
B11
NADV
GPIO_6
G5
GPIO_3
G3
GPIO_4
G2
GPIO_5
G1
F2
GPIO_0
GPIO_1
F1
G4
GPIO_2
A11
BURSTCLK
CLKIN
B9
_UBS
_WR
C120 1000p
3.3M
R106
C119
DNI
BT_RTS
BT_CTS
VIBRATOR
nFM_RESET
PA_BAND
_UBS
CAM_INT
T_Detect
_RD
_LBS
_WAIT
_WR
26M
Figure 4.15