LG KG271 - RTC Trouble

4. TROUBLE SHOOTING
- 62 -
4.7 RTC Trouble
Check Points
- 32.768KHz is right clock
- The power of RTC is right.
SWITCH_ON
N7
OSC32K
P6
F32K
R5
B4
CLKOUT CHG_STATUS
32KOUT
PWRON
32KIN
X100
MC-146_12_5PF
12
3
4
32.768KHz
C104 18p C105 18p
32KIN
32KOUT
R101 22K
BAT100
C114
6.8K
R100
220n
W_LED_FBN
J12
W_LED_FBP
J14 G15
VREFP
G12
VDD
_
LD1
VDD_LRTC
K12
H13
VBAT_1 VBAT_2
F12 H15
VBAT_3 VBAT_4
H14
IREF
G13
AGND
G14
C112 1u
CIRCUIT