Checking Flow
Detected Signal?
No
Changing U100
Yes
Rx TEST SETUP(HHP)
- Test Channel : 384(DCN)
E5515C Setup
- CH : 384(DCN)
- Sector Power : -30 dBm
Spectrum Analyzer Setting
Oscilloscope Setting
Detected Signal?
Detected Signal?
DCN Duplexer is Ok
See next Page to check
Rx I/Q data Signal
Check C101
Changing DP101
Check U100 Pin 1
Check if there is
Any Major Difference
◆ Refer to Graph 4-4(a)
Check DP101 Pin 8
Check if there is
Any Major Difference
◆ Refer to Graph 4-4(b)
Check DP101 Pin 5
Check if there is
Any Major Difference
◆ Refer to Graph 4-4(c)
Yes
No
Yes
No
Waveform
U100 Pin 1
Graph 2.1.4(a)
17
Z3X-BOX.COM
Содержание LG-MC2670
Страница 1: ...LGE LG Electronics Inc CDMA PORTABLE CELLULAR PHONE LG MC2670 SERVICE MANUAL Z 3 X B O X C O M ...
Страница 17: ...LG MC26 70 DCN Mode Graph 2 1 2 1763 04MHz DCN384 14 Z 3 X B O X C O M ...
Страница 21: ...LG MC2670 Waveform DP101 Pin 5 Graph 2 1 4 c DP101 Pin 8 Graph 2 1 4 b 18 Z 3 X B O X C O M ...
Страница 32: ...LG MC2670 Circuit Diagram 29 Z 3 X B O X C O M ...
Страница 33: ...LG MC2670 Figure 2 3 1 PMIC PM6610 FUNCTIONAL BLOCK DIAGRAM 2 3 Logic Part Trouble 30 Z 3 X B O X C O M ...
Страница 55: ...LG MC2670 Appendix Z 3 X B O X C O M ...
Страница 56: ...Z 3 X B O X C O M ...
Страница 58: ...Z 3 X B O X C O M TX Line RX Line Local Line RD2670 ...
Страница 59: ...Z 3 X B O X C O M TX Line RX Line MIC Line SPK Line RD2670 ...
Страница 60: ...Z 3 X B O X C O M RD2670 ...
Страница 61: ...Z 3 X B O X C O M SPK Line MIC Line RD2670 ...
Страница 65: ...Description LG Part No Q ty MAIN PCB SPFY0083001 1 2 PCB Z 3 X B O X C O M ...