4. TROUBLE SHOOTING
- 107 -
C603
C602
C601
C600
0.1u
C603
C600
0.1u
C602
0.1u
HB-
VA600
EVLC18S02015
C601
0.1u
EVLC18S02015
VA602
EVLC18S02015
VA601
FB602
12
13
14
15
16
17
18
19
20
21
22
23
AXK7L34227G
G3
G4
VA603
EVLC18S02015
M_CAM_PWDN
2M_CAM_LVDD_2.8V
2M_CAM_AVDD_2.8V
C705
C706
Rev.F
C703
0.01u
EVLC14S02050
VA704
1u
C705
1u
C706
10u
C803
EVLC14S02050
VA703
REFBP
6
7
SETF
SETM
8
F1
10
9
F2
LDO1
4
5
LDO2
EVLC14S02050
VA702
Summary of Contents for U970
Page 1: ...Date April 2007 Issue 1 0 Service Manual Model U970 KU970 Service Manual U970 KU970 ...
Page 3: ... 4 ...
Page 20: ...3 TECHNICAL BRIEF 21 Fig 1 2 RTR6275 RX feature ...
Page 28: ...3 TECHNICAL BRIEF 29 Figure1 7 PM6650 Block Diagram ...
Page 41: ...3 TECHNICAL BRIEF 42 Table 1 1 Summary of MSM6280 device features ...
Page 45: ...3 TECHNICAL BRIEF 46 Figure 1 1 PM6650 Functional Block Diagram ...
Page 76: ...4 TROUBLE SHOOTING 77 4 1 RF CRF Component TOP SIDE BOTTOM SIDE 4 TROUBLE SHOOTING ...
Page 81: ...4 TROUBLE SHOOTING 82 Check C412 of PMIC U400 Check R214 of MSM U200 ...
Page 83: ...4 TROUBLE SHOOTING 84 Logic Table of the FEM ...
Page 89: ...4 TROUBLE SHOOTING 90 4 7 Checking GSM Block ...
Page 91: ...4 7 3 Checking RF Tx level 4 TROUBLE SHOOTING 92 ...
Page 94: ...4 TROUBLE SHOOTING 95 ...
Page 100: ...4 TROUBLE SHOOTING 101 R403 Q402 Q401 Q400 Charging part Main PCB Front ...
Page 103: ...4 TROUBLE SHOOTING 104 Q400 X 200 USB part 1 Main PCB Front U503 USB part 2 Main PCB Rear ...
Page 112: ...4 TROUBLE SHOOTING 113 CN601 CN701 CN700 ...
Page 115: ...4 TROUBLE SHOOTING 116 C500 C501 R501 R502 ...
Page 117: ...4 TROUBLE SHOOTING 118 SPK Audio Amplifier Analog Switch ...
Page 119: ...4 TROUBLE SHOOTING 120 MIC800 R507 C520 ...
Page 121: ...4 TROUBLE SHOOTING 122 R303 Ear_Sense_N C210 MIC Input ...
Page 141: ...5 DOWNLOAD 142 ...
Page 147: ...5 DOWNLOAD 148 Read IMEI BT address from UE 2 Step 4 Check IMEI and Bluetooth address ...
Page 158: ...6 BLOCK DIAGRAM 159 Table 2 1 RF Block Component ...
Page 163: ...6 BLOCK DIAGRAM 164 6 2 4 Placement Top Side ...
Page 164: ...6 BLOCK DIAGRAM 165 Bottom Side ...
Page 165: ... 166 ...
Page 175: ... 176 8 PCB LAYOUT U970 KU970 ...
Page 176: ... 177 8 PCB LAYOUT U970 KU970 ...
Page 177: ... 178 8 PCB LAYOUT U970 KU970 ...
Page 178: ... 179 8 PCB LAYOUT U970 KU970 ...
Page 179: ... 180 8 PCB LAYOUT ...
Page 180: ... 181 8 PCB LAYOUT ...
Page 181: ... 182 ...
Page 187: ... 188 ...
Page 189: ... 190 ...
Page 209: ...Note ...
Page 210: ...Note ...