Checking Flow
Detected Signal?
No
Changing U100
Yes
Rx TEST SETUP(HHP)
- Test Channel : 384(DCN),600(PCS)
E5515C Setup
- CH : 384(DCN),600(PCS)
- 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 C100
Changing DP101
Check U100 Pin 2
Check if there is
Any Major Difference
◆ Refer to Graph 4-4(a)
Check DP101 Pin2
Check if there is
Any Major Difference
◆ Refer to Graph 4-4(b)
Check DP101 Pin 7
Check if there is
Any Major Difference
◆ Refer to Graph 4-4(c)
Yes
No
Yes
No
Waveform
U100 Pin 2
Graph 4-4(a)
Z3X-BOX.COM
Summary of Contents for ID2750
Page 33: ...DCN Mode Graph 4 2 1763 04MHz DCN384 Z 3 X B O X C O M ...
Page 37: ...Waveform DP101 Pin 7 Graph 4 3 c DP101 Pin2 Graph 4 4 c Z 3 X B O X C O M ...
Page 48: ...Circuit Diagram Z 3 X B O X C O M ...
Page 49: ...Figure 4 3 1 PMIC PM6610 FUNCTIONAL BLOCK DIAGRAM 4 3 Logic Part Trouble Z 3 X B O X C O M ...