LG KG800 - RTC Trouble

4. TROUBLESHOOTING
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4.14 RTC Trouble
R105
X100
C115
TEST POINT
C130
NA
R105
10M
C129 1000p
12
3
4
MC-146_7pF
X100
32.768KHz
VUSB
NA
C128
R106
NRESET
V3
E9
OSCIN
OSCOUT
C9
F9
PWRON
V6
NAUXCS1
NGPCS1
N9
GPIO_42_NMAIN_LCD_CS
V7
GPIO_43_NSUB_LCD_CS
L14
GPIO_1_IRDA_RX
GPIO_2_NIRDA_EN
K16
L18
GPIO_0_IRDA_TX
N10
CLKIN
P13
CLKON
13MHz
CLKON
BT_EN
CHG_STAT
CHG_EN
TOUCH_EN
_LCD_CS
_MIDI_CS
PWRON
_RESET
2V5_VMIC
1V8_VCORE
2V75_ABB
1uC113
2V85_VSIM
VUSB
2V8_VMEM
VRTC
T7
T6
2V75_VVCXO
P1
VCORE1
VCORE2
N1
VMEM1
T3
T2
VMEM2
VBAT
0.1uC115
1V8_VRTC
1uC116
2V8_VEXT
C114 1u
VBACKUP
Mount on the opposit
NBL-414-F9D
C210
1u
BA201
VBACKUP
CIRCUIT DIAGRAM
MAIN PCB
SLIDE PCB