4. TROUBLE SHOOTING
- 91 -
(1%)
(1%)
5.6nH
L113
C1911
5.6p
C1027
820p
2
G1
5
G2
1
IN
3
O1
4
O2
B7844
FL103
C1030
1000p
L119
4.7nH
B7845
G1
2
G2
5
IN
1
O1
3
O2
4
00
FL100
1K
R1006
11K
NA
L121
p
009
VREG_RFRX_2.85V
L123
6.8nH
4.7nH
L118
4.7nH
L126
L102
4.7nH
5.6n
C1045
ECHU1C562JX5
R1004
1.8K
100
R1036
R1005
3.3K
33p
C1444
4.7nH
L127
1000p
C1020
1nH
L107
C1026
NA
1
IN
3
O1
4
O2
B7837
FL102
2
G1
5
G2
VREG_RFTX_2.85V
4.7nH
L125
008
2K
C1032
15p
C1040
330p
1000p
C1006
C1912
5.6p
2.2nH
C1029
100p
L114
33p
C1043
C1028
0.01u
IN
3
O1
4
O2
B7851
FL101
2
G1
5
G2
1
L101
15nH
C1015
33p
C1004
33p
2.2nH
L110
1000p
C1033
6.8nH
L111
4.7nH
L128
L106
NA
4.7nH
L108
0
R1037
0.5p
C1829
C1031
ECHU1C103JX5
10n
VDDA9
31
TX_MOD_C
40
42
TX_VCO_F
36
VDDA10
VDDA11
39
41
VDDA12
GSM900_IN
38
37
GSM900_IN
32
RX_VCO_I
33
R_BIAS
30
CP2
29
CP_HOLD2
GSM1800_
34
35
GSM1800_
33p
C1016
33p
C1011
C1048
33
R1010
1p
C1141
0.1uF
C1010
L100
1nH
C1041
22n
120p
C1039
FB100
L124
4.7nH
ANT_SEL0
ANT_SEL2
ANT_SEL1
GSM_PA_RAMP
CP2_OUT
UHF_LO_BUFF
Schematic of GSM850/GSM900/DCS/PCS Rx Block
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 ...