Picture 3. Lna Control; Picture 4. Pa Selection And Control - Nokia NSB-6 Series Disassembly & Troubleshooting Instructions

NSB–6
Disassembly & Troubleshooting Instructions

Picture 3. LNA control

Channel 2:
Channel 3:
(Channel 4:

Picture 4. PA selection and control

Condition:
Channel 1: TX3 TXP, J519
Channel 2: TX19 C711, VPCTRL_G, (equals TX1 C714, VPCTRL_P, in upperband mode)
Channel 3: TX10 C792, TXC EGSM, (equals TX10, C792, TXC DCS in upperband mode)
Channel 4: TX4 C722, VtxB EGSM, (equals TX5, C752, VtxB DCS in upperband mode)
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RX3, base of V907, (equals RX4, base of V905 in upperband mode)
RX7: Vlna,
RX4 base of V905)
EGSM TX, burst mode powerlevel 10
E Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Issue 1 06/2000