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Nokia 8270 Service Manual

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PAMS Technical Documentation
Schematics / Layouts 8270
NSD-5
Issue 1 05/02
 Nokia Corporation
Page A-1
BB-RF Interface
BB
RF_DCT3
TX_LIM
TX_LIM_ADJ
TX_RF_AGC
VR1
VR2
VR3
VR4
VR5
VR7
CLK19M2RF
FILT_SEL_N
FILT_SEL_P
PA_TEMP
RF_TX_GATE_P
RIF_EN
RXIQ(3:0)
RX_GS
RX_IF_AGC
SYN_CLK
SYN_DAT
SYN_LE1
TIF_EN
TXIQ(3:0)
TX_IF_AGC
5V
AFC
BVOLT
CAFE_TX_GATE
TX_LIM_ADJ
TX_RF_AGC
VR1
VR2
VR3
VR4
VR5
VR7
CLK19M2RF
FILT_SEL_N
FILT_SEL_P
PA_TEMP
RF_TX_GATE_P
RIF_EN
RXIQ(3:0)
RX_GS
RX_IF_AGC
SYN_CLK
SYN_DAT
SYN_LE1
TIF_EN
TXIQ(3:0)
TX_IF_AGC
TX_LIM
RIF_EN
RIF_EN
RF_TX_GATE_P
RF_TX_GATE_P
PA_TEMP
PA_TEMP
FILT_SEL_P
FILT_SEL_P
FILT_SEL_N
FILT_SEL_N
CLK19M2RF
CLK19M2RF
CAFE_TX_GATE
CAFE_TX_GATE
AFC
AFC
5V
5V
VR7
VR7
RX_GS
RX_GS
BVOLT
BVOLT
5V
AFC
BVOLT
CAFE_TX_GATE
VR5
VR5
VR4
VR4
VR3
VR3
VR2
VR2
VR1
VR1
TX_RF_AGC
TX_RF_AGC
TX_LIM_ADJ
TX_LIM_ADJ
TX_LIM
TX_LIM
TX_IF_AGC
TX_IF_AGC
TXIQ(3:0)
TXIQ(3:0)
TIF_EN
TIF_EN
SYN_LE1
SYN_LE1
SYN_DAT
SYN_DAT
SYN_CLK
SYN_CLK
RX_IF_AGC
RX_IF_AGC
RXIQ(3:0)
RXIQ(3:0)