Tx Dc Test Points - Nokia 3806 Service Manual

RM-583
RF Description and Troubleshooting

TX DC test points

Test Points Description
1（L205） VPH_PWR
2（C250） PA_R0
3（C251） PA_ON0
Table 1: TX DC Test Point
Issue 1
Figure 6: TX DC Test Points
VPH_PWR=VBAT: power supply for three PA Modules VPH_PWR=0:
shut up
PA_R0=High: high gain mode
PA_R0=Low: bypass mode
PA_ON0=High: for cell band PA turn on
PA_ON0=Low: off
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