Nokia 5510 Troubleshooting

PAMS Technical Documentation RF Troubleshooting
NPM-5
,VVXH 1RNLD&RUSRUDWLRQ 3DJH
 7URXEOHVKRRWLQJFKDUWIRU*60UHFHLYHU
)LJXUH(*60)DXWWUHH
*606LJQDOSDWK
)RUHDV\HUURUWUDFLQJLWLVLPSRUWDQWWRNQRZWKHVLJQDOSDWKRIWKH*60UHFHLYHU7KH
FRPSRQHQWVFDQEHJURXSHGLQWREORFNVDQGGUDZQDVVKRZQEHORZ
5;7;6ZLWFK
)URPWKHDQWHQQDSDGWKH5)VLJQDOLVOHDGWRWKH5;7;VZLWFK=
Apply -80dBm
942.667MHz signal from
generator to antenna
connector
Oscilloscope at RXI
Signal 950mVpp
DC offset 1,1V
Frequency 67,7kHz
EGSM chain functional
Oscilloscope
VRX 2.7V
Check Hagar serial
interface
Yes
Yes
Yes
Spectrumanalyzer
GSM LNA out
-73dBm
No No
Spectrumanalyzer
1st Dual SAW In1
-85dBm
GSM_RX_SW
-84dBm
No
Spectrumanalyzer
T501, unbal
-75dBm
Check
C534, Z500
No
Yes
Check Hagar
N500
Yes
Check BBNo
Oscilloscope
LNA_G 2.4-2.8V
LNAB_D 2.4-2.8V
Yes
Check RX/TX
Switch
Z502
No
Check 1st Dual
RX SAW
Z501
Yes
EGSM Fault tree
No
Oscilloscope
V501, RFout 2.1-2.2V
V501, RFin 0.8-0.9V
Yes
Oscilloscope
VRX 2.7V
Check Hagar serial interface
Check Hagar
N500
Yes
Check BaseBandNo
Check
R514, C539,
V501,C541,C537,
C533
No
Check
V501
Yes
Change generator
level to -55dBm
Yes
2
2
2
2
INP_P_RX
INM_P_RX
Ant Switch
RX
RX
TX
TX
INP_G_RX
INM_G_RX
DNC2
DNC2
LNA_P /
LNAB_G
RXQ
RXI
OUT_BB1_I OUT_BB1_Q I_DCN2_I I_DCN2_Q C1_BB1_I C2_BB1_I C2_BB1_Q C1_BB1_Q Cp_f_I Cm_f_I Cp_f_Q Cm_f_Q Cp_dtos_I Cm_dtos_I Cp_dtos_Q Cm_dtos_Q
Last edit 07:49 15.03.00
HDa12 RF Troubleshooting.doc
0-40dB
BB_Gain
0-40dB
BB_Gain
DtoS
DtoS
BIQUAD
BIQUAD
GSM
PCN
VRF_RX
VREF_RX
VB_EXT RB_EXT
RF
Controls
LNA_G /
LNAB_D
8 / 18 dB
8 / 18 dB
SAW SAWLNA
LNA
Hagar
VRF_RX
VREF_RX
VREF
RXI
RXQ
VCP
2
2

Nokia 5510 Specifications

General

Display	Monochrome graphic
Weight	155 g
Keyboard	QWERTY
Network Technology	GSM
2G bands	GSM 900 / 1800
GPRS	No
EDGE	No
Announced	2001
Status	Discontinued
SIM	Mini-SIM
Phonebook	Yes
Call records	10 dialed, 10 received, 10 missed calls
Loudspeaker	Yes
Alert types	Vibration; Downloadable monophonic ringtones
3.5mm jack	No
Games	Yes
Messaging	SMS
Clock	Yes
Alarm	Yes
Infrared port	Yes
Music player	Yes
Radio	Stereo FM radio
Java	No
Dimensions	134 x 58 x 28 mm
Stand-by	55 h - 260 h
Talk time	Up to 4 h 30 min
Colors	Blue
Battery	Removable Li-Ion 950 mAh battery (BLC-2)