Key Rf Component Placement - Nokia NPM-10 Series Troubleshooting Instructions

NPM-10
Troubleshooting Instructions RF
To PCS RX To GSM RX
mixer mixer
2 2 2 2
1/2 1/4
1/4
1/2
2 2 2 2
To PCS To GSM
Modulator Modulator
Mjoelner
N600
VDDRXBB
RFCONV_0(9)

Key RF Component Placement

The following diagram shows key component locations.
N600
Z601
Z602
Z603
B600
G600
N700
Z700
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64/ NDIV
65
ADIV
LOCNT
RDIV
REFCNT
VCXO Bias
R2H/R2
Main Bias
Sensor
BIST / Temp.
Circuit
Resistor Ext/R2H/R2
Ref.
2,7k
Rpa
filter
Figure 3: Synthesizer
Table 2: Key Components
Nokia Corporation
CCS Technical Documentation
VDDLO
VDDPLL
VDDPRE
VDDCP
ϕ
Charge
Pump
CPOUT
Lock
Detect
VDDXO
VDDBBB
REFOUT
Buf/
1/2
AGC
XTALM
Buffer
XTALP
INPLO
INMLO
RESETX
AFC/CAL
Control
VDDDIG
VDDDL
SELADDR
I/O
Digital RESETX
level
Control
shift
RF_EN
3
RF_CLK
RF_DATA
Mjoelner RF IC
PCS RX SAW
GSM RX SAW
GSM TX SAW
26 MHz crystal
VCO (3.6 GHz UHF VCO)
Power Amplifier (PA)
Antenna switch
Confidential
Synth
VPLL
VR5
supply
filter
Vcp
VR1A
supply
filter
PLL
VCTRL
loop
filter
VCXO
VXO
supply VR3
filter
REFOUT (26MHz)
26MHz VCO (G600)
VVCO
VR7
VR2
VBB (1.8V)
VIO
Ref clk set
VIO
RESETX_Mjoel
GENIO6
RFBUSX
3
RFBUSDA
RFBUSCLK
Issue 1 03/2003