Rf Troubleshooting - Nokia NSM-2 Series Disassembly & Troubleshooting Instructions

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NSM–2
Disassembly & Troubleshooting Instructions

RF Troubleshooting

PA_PCN_out
PA_in
PA_GSM_out
PA_ctrl (GSM)
PA_ctrl (PCN)
PA_buff_in
TXI
TX_balout(PCN)
TXC
TX_balout(GSM)
Vchp
5V5
1.35V (RX)
VCO_out
1.2V (RX)
VCO_ctrl
Page 22
Vtcxo
+1.5V
Vcobba
Vrxrf
E Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Vsynte
Vlna
Vmod
Issue 1 12/1999
ant_sw_IN
ant_sw_ctrl (PCN)
ant_sw_ctrl (GSM)
RX_GSM (lna_in)
RX_PCN (lna_in)
RX_PCN (balun_in)
TCXO/2 (13 MHz)
RX_GSM (balun_in)
AFC
RXI (filt)
TCXO (26 MHz)
RXQ (filt)
TXQ
RX I/Q (ADC)

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