4. TROUBLE SHOOTING
- 75 -
4.4 Checking Ant. SW Module Block
ANT_SEL2
ANT_SEL1
ANT_SEL0
Antenna Switch Block(Bottom)
R1000
1K
NA
L121
33p
C1009
L123
6.8nH
H
05
33p
C1023
1K
R1001
C1026
NA
000 56p
C1007
33p
NA
L104
1
IN
3
O1
4
O2
B7837
FL102
2
G1
5
G2
1K
R1002
p
33p
C1008
15nH
6.8nH
L111
30
NC9
PGND1
29
31
PGND2
RX1
5
4
RX2
RX3
3
2
RX4
21
TRX1
19
TRX2
TX1
13
TX2
11
25
VDD
GND1
1
6
GND2
12
GND3
18
GND4
GND5
20
GND6
22
GND7
24
NC1
7
32
NC10
8
NC2
NC3
9
10
NC4
14
NC5
NC6
15
16
NC7
NC8
17
CXG1198AEQ
U100
23
ANT
CTL-A
26
27
CTL-B
CTL-C
28
33p
C1011
0.1uF
C1010
ANT_SEL0
ANT_SEL2
ANT_SEL1
Schematic of the Antenna Switch Block
TP1
Summary of Contents for CU500 - Cell Phone
Page 1: ...Date June 2006 Issue 1 0 Service Manual Model CU500_TU500 Service Manual CU500_TU500 ...
Page 3: ... 4 ...
Page 41: ...3 TECHNICAL BRIEF 42 Figure PM6650 Functional Block Diagram ...
Page 68: ...4 TROUBLE SHOOTING 69 4 1 RF Component Bottom Side 4 TROUBLE SHOOTING ...
Page 69: ...4 TROUBLE SHOOTING 70 ...
Page 73: ...4 TROUBLE SHOOTING 74 Check R400 of PMIC U400 Check R223 of MSM U200 ...
Page 77: ...4 TROUBLE SHOOTING 78 For testing Max power of UMTS 1900MHz is needed ...
Page 85: ...4 TROUBLE SHOOTING 86 ...
Page 87: ...4 TROUBLE SHOOTING 88 ...
Page 91: ...4 TROUBLE SHOOTING 92 ...
Page 95: ...4 TROUBLE SHOOTING 96 R300 Q401 Q400 ...
Page 98: ...4 TROUBLE SHOOTING 99 Q501 X 200 U505 ...
Page 105: ...4 TROUBLE SHOOTING 106 CN602 CN1 ...
Page 107: ...4 TROUBLE SHOOTING 108 C102 C104 R200 R201 ...
Page 109: ...4 TROUBLE SHOOTING 110 CN602 SPK_LP L N SPK_RP RN AMP block ...
Page 111: ...4 TROUBLE SHOOTING 112 MIC U303 ...
Page 113: ...4 TROUBLE SHOOTING 114 Mic input 5 4 2 1 3 6 Headset detect port ...
Page 129: ...5 DOWNLOAD 130 3 NV Restore error When you meet the NV Restore error ...
Page 130: ...5 DOWNLOAD 131 Connect to the phone Click on Cancel ...
Page 135: ...Table 6 1 1 RF Block Component 6 BLOCK DIAGRAM 136 ...
Page 138: ...6 BLOCK DIAGRAM 139 Top Side ...
Page 139: ...6 BLOCK DIAGRAM 140 Bottom Side ...
Page 147: ... 148 8 pcb layout ...
Page 148: ... 149 8 pcb layout ...
Page 149: ... 150 8 pcb layout ...
Page 150: ... 151 8 pcb layout ...
Page 151: ... 152 ...
Page 157: ...9 CALIBRATION 158 9 3 HOT KIMCHI Example Choose Exe_Cu500Ag_100 ...
Page 158: ...9 CALIBRATION 159 Click APPLY button Click START button ...
Page 161: ... 162 ...
Page 185: ...Note ...
Page 186: ...Note ...