4. TROUBLE SHOOTING
- 105 -
4.15 Audio Receiver Path
MSM6275 EAR1ON/EAR1OP
→
CN602
→
CN1
→
Receiver
Start
The sine wave appears at
PIN33,PIN34,CN602
Change the Main board
YES
Connect the phone to network
Equipment and setup call
Setup 1KHz tone out
NO
The sine wave appears at
PIN33,PIN34, CN1?
Check LCD FPCB.
Check main/upper connector.
YES
NO
Can you hear the tone?
Change receiver
YES
NO
END
Содержание CU500 - Cell Phone
Страница 1: ...Date June 2006 Issue 1 0 Service Manual Model CU500_TU500 Service Manual CU500_TU500 ...
Страница 3: ... 4 ...
Страница 41: ...3 TECHNICAL BRIEF 42 Figure PM6650 Functional Block Diagram ...
Страница 68: ...4 TROUBLE SHOOTING 69 4 1 RF Component Bottom Side 4 TROUBLE SHOOTING ...
Страница 69: ...4 TROUBLE SHOOTING 70 ...
Страница 73: ...4 TROUBLE SHOOTING 74 Check R400 of PMIC U400 Check R223 of MSM U200 ...
Страница 77: ...4 TROUBLE SHOOTING 78 For testing Max power of UMTS 1900MHz is needed ...
Страница 85: ...4 TROUBLE SHOOTING 86 ...
Страница 87: ...4 TROUBLE SHOOTING 88 ...
Страница 91: ...4 TROUBLE SHOOTING 92 ...
Страница 93: ...4 TROUBLE SHOOTING 94 D701 VREG_MSMC VREG_MSME VREG_MSMA VREG_MSMP VREG_TCXO C1133 48Mhz X400 32 768Mhz ...
Страница 95: ...4 TROUBLE SHOOTING 96 R300 Q401 Q400 ...
Страница 98: ...4 TROUBLE SHOOTING 99 Q501 X 200 U505 ...
Страница 105: ...4 TROUBLE SHOOTING 106 CN602 CN1 ...
Страница 107: ...4 TROUBLE SHOOTING 108 C102 C104 R200 R201 ...
Страница 109: ...4 TROUBLE SHOOTING 110 CN602 SPK_LP L N SPK_RP RN AMP block ...
Страница 111: ...4 TROUBLE SHOOTING 112 MIC U303 ...
Страница 113: ...4 TROUBLE SHOOTING 114 Mic input 5 4 2 1 3 6 Headset detect port ...
Страница 129: ...5 DOWNLOAD 130 3 NV Restore error When you meet the NV Restore error ...
Страница 130: ...5 DOWNLOAD 131 Connect to the phone Click on Cancel ...
Страница 135: ...Table 6 1 1 RF Block Component 6 BLOCK DIAGRAM 136 ...
Страница 138: ...6 BLOCK DIAGRAM 139 Top Side ...
Страница 139: ...6 BLOCK DIAGRAM 140 Bottom Side ...
Страница 147: ... 148 8 pcb layout ...
Страница 148: ... 149 8 pcb layout ...
Страница 149: ... 150 8 pcb layout ...
Страница 150: ... 151 8 pcb layout ...
Страница 151: ... 152 ...
Страница 157: ...9 CALIBRATION 158 9 3 HOT KIMCHI Example Choose Exe_Cu500Ag_100 ...
Страница 158: ...9 CALIBRATION 159 Click APPLY button Click START button ...
Страница 161: ... 162 ...
Страница 185: ...Note ...
Страница 186: ...Note ...