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PAMS Technical Documentation
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Set to Local Mode
Band = don't care
RX Burst mode
Channel = don't care
Apply NO signal
to antenna connector
Measure RXI and RXQ
with oscilloscope
(500mV/div, 500us/div)
Both signals looks like
Figure 1
(Note 1+2)
No
One or both signals
looks like Figure 2 or
Figure 3 or Figure 4
No
One or both signals
looks like Figure 5
No
One or both signals
looks like Figure 6
No
One or both signals
looks like Figure 7
No
Oscilloscope
VREF_RX/R507 = 1.2V
No
Check
R507,C529
and BB
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RX troubleshooting
RX chain functional
Yes
Local Burst mode
Check
Yes
C508, R500
Check
Yes
C512
Check
Yes
C514
Check
Yes
C526
Check
Yes
Note 1: Only valid for MCU
Hagar N500, R504
sw version 04.14 or newer.
Please reflash if older.
Note 2: If bursted signal
occur, it might be due to
external disturbances.
Change channel and redo.
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Go to
EGSM RX
Troubleshooting chart
NHM-2/5nx,ny/6/9
Troubleshooting
3DJH
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