PAMS Technical Documentation
6 - Troubleshooting
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Yes
Oscilloscope
C702
CONT1
Vdc = 2.78 Volt
No
Check:
C701
CONT2
Vdc = 0 Volt
Mjoelner Serial Interface
C703
CONT3
Vdc = 0 Volt
Mjoelner
C803
VBD
Vdc = 2.78 Volt
Yes
Spectrum analyzer
No
Check
R819 in
TX_1800
P>= -3 dBm, 1880 MHz
DCS/PCS Balun T701
Mjoelner
Yes
Synthesizer
Use Phoenix to select
TX_Data Type: Random
TX Power Level: 5
Yes
Spectrum analyzer
Check PA N801
L801 B2_in (PA N801
Pout_DCS)
No
Check Power Loop
L801,V801
Power = +22 dBm, 1880 MHz
Check TXC
Yes
Spectrum analyzer
Check
RF-connector
No
Directional Coupler (L801)
Pout =+20 dBm, 1880 MHz
Antenna Switch (Z601)
Yes
PCS TX
OK
Summary of Contents for 6310I - Cell Phone - GSM
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