T-Flash 故障 - LG KT878 Service Manual

4.16 T-Flash 故障
测试点
电路图
AP_TF_DATA1
AP_TF_DATA0
AP_TF_CLK
AP_TF_CMD
AP_TF_DATA3
AP_TF_DATA2
AP_TF_DETECT
AP_TF_EN
AP_VCC_3V0
C1227
1u
AP_VCC_2V8
R1607 680
R1608 NA
U1205 RP104K301D
1
VOUT VDD
2
GND
- 129 -
AP_VCC_3V0
VBAT
R1231
0
4
3
CE
C1228
2.2u 10V(1608)
4.故障解决
C1601
1u
S1601 AXA463062C02
DAT1_2
DUMMY1
DAT0
VSS
CLK
VDD
CMD
CD_DAT3
DUMMY2
DAT2
DETECT_A
DETECT_B
DUMMY3
GND
AP_TF_EN