4. TROUBLE SHOOTING
- 80 -
For testing, Max power of UMTS50NHz is needed.
Run a FTM program
set RF mode to
1900B set uplink
fre. to 4135 Click TX
On and WCDMA set
PA range R0 and R1
on set Tx AGC to 430
Check a
current over
500mA?
Check TP1
over 25dBm?
Check TP2
over 23dBm?
Check TP3
over 22dBm?
Tx is OK
Check ohter
parts
Check a
Coupler U106
and a solding
of L160
Check a
Duplexer and
a solding of
C1075
Check
ANT.SW
Module U100
Check Tx SAW
Filter and a solding
of C1105
Check TP4
over -5dBm?
Check PAM block
Refer to 3.5.4
NO
NO
NO
NO
NO
YES
YES
YES
YES
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 ...