4.3 Power On Trouble
4. TROUBLE SHOOTING
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C113
(VCORE)
U102
C114
(VMEM)
C115
(VRCT)
C116
(VSIM)
C117
(VABB)
C118
(VMIC)
C121
(VVCXO)
C122
(VEXT)
(1608)
C115
2V85_VSIM
0.1u
1u
C114
2V8_VMEM
1V8_VCORE
2V5_VMIC
2V75_VABB
1K
R102
1V8_VRTC
C117
2.2u
C113
1u
1u
C116
1u
C118
2V8_VEXT
2V75_VVCXO
VMIC
N16
T7
VRTC
VSIM
T6
VVCXO
D16
T4
VBAT_NET
VCORE1
P1
N1
VCORE2
VEXT1
A4
B4
VEXT2
T3
VMEM1
VMEM2
T2
H16
VABB
F16
E15
NC_E15
E16
NC_E16
NC_F16
VBAT
C122
1u
1u
C121
BACK_BATT
Test Points
Circuit Diagram
Figure 4-14
Содержание C3380
Страница 1: ...Service Manual Model C3380 Date November 2005 Issue 1 0 Service Manual C3380 ...
Страница 3: ... 4 ...
Страница 83: ...4 TROUBLE SHOOTING 84 4 11 KEY backlight Trouble Test Points Figure 4 22 ...
Страница 98: ...4 TROUBLE SHOOTING 99 Yes No Yes No Replace M201 Establish a call Replace U101 Software Re_download ...
Страница 109: ...Note 110 ...
Страница 116: ... 117 8 PCB LAYOUT ...
Страница 117: ... 118 8 PCB LAYOUT ...
Страница 125: ...10 STAND ALONE TEST 126 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 129: ... 130 ...
Страница 131: ... 132 ...