Rtc 故障 - LG KT878 Service Manual

4.18 RTC 故障
测试点
电路图
VRTC_ABB
R308
1K
BAT301
NBL414R-F9J
检查流程
X601
4
G2 X2
1
X1 G1
C608
NX3225SA_EXS00A-CS0182
NA
C610
15P
C344
0.1U
X602
32.768KHz
C611
15P
- 134 -
3
2
C609
NA
R602
10M
R603
0 C607
4.故障解决
MONAHANS
A9 PXTAL_IN
B9 PXTAL_OUT
C7 TXTAL_IN
C8 TXTAL_OUT
F7 PWR_CAP0
A7 PWR_CAP1
0.1u