Text preview for : 11-npl-1.pdf part of Nokia 6310i Service Manual Gsm Telephone - Part 1/6 - File 18
Back to : gsm_NPL-1_©_.part1.rar | Home
PAMS Technical Documentation
NPL-1 6 - Troubleshooting
5HFHLYHU
*HQHUDO LQVWUXFWLRQV IRU 5; WURXEOHVKRRWLQJ
&RQQHFW WKH WKH SKRQH WR D 3& ZLWK '$83 FDEOH DQG GRQJOH DQG IROORZ WKH IROORZLQJ LQVWUXFWLRQV 0HDVXULQJ 5; ,4 VLJQDOV XVLQJ 566, UHDGLQJ 6WDUW 3KRHQL[ 6HUYLFH 6RIWZDUH 2SHQ WKH )%86 FRQQHFWLRQ 6HOHFW 6FDQ 3URGXFW &WUO5
:DLW XQWLO SKRQH LQIRUPDWLRQ VKRZV LQ WKH ORZHU ULJKW FRUQHU RI WKH VFUHHQ 6HW RSHUDWLQJ PRGH WR ORFDO PRGH 6HOHFW 0DLQWHQDQFH 7XQLQJ 5) &RQWUROV :DLW XQWLO WKH 5) &RQWUROV ZLQGRZ SRSV XS 6HOHFW %DQG $FWLYH XQLW 2SHUDWLRQ PRGH 5;7; &KDQQHO 6HOHFW 0DLQWHQDQFH 7HVWLQJ 566, UHDGLQJ 7KH VHWXS VKRXOG QRZ ORRN OLNH WKLV *60 RU *06 RU *60 5; %XUVW RU RU $OW0 7 5 $OW0 7 )
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting
PAMS Technical Documentation
$SSO\ D VLJQDO ZLWK D IUHTXHQF\ RI (*60 0+] FKDQQHO N+] RIIVHW *60 0+] FKDQQHO N+] RIIVHW *60 0+] FKDQQHO N+] RIIVHW DQG D SRZHU OHYHO RI G%P WR WKH 5)FRQQHFWRU UHPHPEHU WR FRPSHQVDWH IRU FDEOH DWWHQXDWLRQ ,Q 566, UHDGLQJ FOLFN RQ 5HDG QRZ 7KH UHVXOWLQJ 566, OHYHO VKRXOG EH ¤G%P LQ HDFK EDQG 0HDVXULQJ 5; SHUIRUPDQFH XVLQJ 615 0HDVXUHPHQW 6WDUW 3KRHQL[ 6HUYLFH 6RIWZDUH 2SHQ WKH )%86 FRQQHFWLRQ 6HOHFW 6FDQ 3URGXFW &WUO5
:DLW XQWLO SKRQH LQIRUPDWLRQ LV VKRZQ LQ WKH ORZHU ULJKW FRUQHU RI WKH VFUHHQ 6HW RSHUDWLQJ PRGH WR ORFDO PRGH 6HOHFW 0DLQWHQDQFH 7HVWLQJ 5) &RQWUROV 3DJH 1RNLD &RUSRUDWLRQ $OW0 7 ) ,VVXH $SULO
PAMS Technical Documentation :DLW XQWLO WKH 5) &RQWUROV ZLQGRZ SRSV XS 6HOHFW %DQG $FWLYH XQLW 2SHUDWLRQ PRGH 5;7; &KDQQHO 6HOHFW 0DLQWHQDQFH 7HVWLQJ 615 0HDVXUHPHQW VHOHFW )DVW 615 7KH VHWXS VKRXOG QRZ ORRN OLNH WKLV
NPL-1 6 - Troubleshooting
*60 RU *06 RU *60 5; %XUVW RU RU $OW0 7 0 5DGLR %XWWRQ
&KRRVH UHVSHFWLYH EDQG (*60 *60 *60 3UHVV PHDVXUH $ ZLQGRZ SRSV XS HJ IRU (*60 EDQG
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting
PAMS Technical Documentation
&RQQHFW DQ H[WHUQDO VLJQDO JHQHUDWRU WR WKH 5) FRQQHFWRU RI WKH SKRQH DQG VHW WKH JHQ HUDWRU DV WROG LQ WKH ZLQGRZ WDNLQJ FDUH IRU H[WHUQDO FDEOH ORVVHV 3UHVV RN DQG WKH ZLQGRZ FORVHV 5HDG WKH 615 UHVXOW 615 VKRXOG EH (*0 !G% *60 !G%
*60 !G%
0HDVXULQJ IURQWHQG SRZHU OHYHOV XVLQJ 6SHFWUXP DQDO\]HU 6SHFWUXP $QDO\]HU 6$ OHYHO YDOXHV GHSHQG RQ WKH SUREH W\SH DQG VKRXOG EH YDOL GDWHG XVLQJ D JRRG VDPSOH 7KH OHYHOV WKDW DUH JLYHQ KHUH DUH PHDVXUHG XVLQJ D UHVLVWLYH SUREH 2KP VHPLULJLG FDEOH 6WDUW 3KRHQL[ 6HUYLFH 6RIWZDUH 2SHQ WKH )%86 FRQQHFWLRQ 6HOHFW 6FDQ 3URGXFW &WUO5
:DLW XQWLO SKRQH LQIRUPDWLRQ VKRZV LQ WKH ORZHU ULJKW FRUQHU RI WKH VFUHHQ 6HW RSHUDWLQJ PRGH WR ORFDO PRGH 6HOHFW 0DLQWHQDQFH 7HVWLQJ 5) &RQWUROV :DLW XQWLO WKH 5) &RQWUROV ZLQGRZ SRSV XS 6HOHFW %DQG $FWLYH XQLW 2SHUDWLRQ PRGH 5;7; &KDQQHO *60 RU *06 RU *60 5; &RQWLQXRXV RU RU $OW0 7 )
3OHDVH UHIHU WR WKH IDXOW ILQGLQJ FKDUW IRU SURSHU OHYHOV DW GLIIHUHQW WHVW SRLQWV 0HDVXULQJ DQDOJXH 5; ,4 VLJQDO YROWDJHV XVLQJ 2VFLOORVFRSH 0HDVXULQJ ZLWK DQ RVFLOORVFRSH RQ ¦5;,,11§ RU ¦5;4,11§ LV UHFRPPHQGHG RQO\ LI 566, UHDGLQJ GRHV QRW SURYLGH HQRXJK LQIRUPDWLRQ 1R GHGLFDWHG WHVW SRLQWV H[LVW IRU 5; , DQG 4 VLJQDOV EXW WKH\ FDQ EH DFFHVVHG E\ SURELQJ RQ YLD KROH SODWLQJ ,QSXW OHYHO G%P
3DJH
1RNLD &RUSRUDWLRQ
,VVXH $SULO
PAMS Technical Documentation 6WDUW 3KRHQL[ 6HUYLFH 6RIWZDUH 6HOHFW 6FDQ 3URGXFW &WUO5
NPL-1 6 - Troubleshooting
:DLW XQWLO SKRQH LQIRUPDWLRQ VKRZV LQ WKH ORZHU ULJKW FRUQHU RI WKH VFUHHQ 6HW RSHUDWLQJ PRGH WR ORFDO PRGH 6HOHFW 0DLQWHQDQFH 7HVWLQJ 5) &RQWUROV :DLW XQWLO WKH 5) &RQWUROV ZLQGRZ SRSV XS 6HOHFW %DQG $FWLYH XQLW 2SHUDWLRQ PRGH 5;7; &KDQQHO $*& *60 RU *06 RU *60 5; FRQWLQXRXV RU RU $OW0 7 )
)ROORZLQJ SLFWXUH VKRXOG EH VHHQ RQ D ZRUNLQJ (*60 UHFHLYHU
6LJQDO DPSOLWXGH '& RIIVHW )UHTXHQF\
9 9 N+]
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting
PAMS Technical Documentation
)DXOW ILQGLQJ FKDUW IRU UHFHLYHU
7KH SKRQH OD\RXW GRHV QRW KDYH GHGLFDWHG WHVW SRLQWV IRU WKH DQDORJXH GLIIHUHQWLDO 5; , DQG 4 VLJQDOV 5;,,13 5;,,11 5;4,13 5;4,11 IURP 0MRHOQHU 5) $6,& WR 8(0 7KH %% SDUW LV XVHG WR PHDVXUH WKRVH VLJQDOV E\ PHDQV RI 566, UHDGLQJ ,W LV DVVXPHG WKDW FRU UHFW FDOLEUDWLRQ RI 566, UHDGLQJ KDV EHHQ FDUULHG RXW LQ SURGXFWLRQ 566,UHDGLQJ >G%P@ ORJ8%% $*&FDOLEUDWHG
7KHUHIRUH GRQ©W FDOLEUDWH D GHIHFWLYH SKRQH EHIRUH WKH SKRQH HUURU KDV EHHQ IRXQG :KHQ D GHIHFWLYH SKRQH KDV EHHQ FDOLEUDWHG D SRVVLEOH HUURU LQ 5; IURQW HQG PLJKW EH PDVNHG ,Q WKDW FDVH RQH FDQ KDYH D UHDVRQDEOH 566, UHDGLQJ DOWKRXJK WKH IURQW HQG VKRZV H[FHVVLYH ORVVHV ,I LW LV QRW VXUH ZKHWKHU LQFRUUHFW UHFDOLEUDWLRQ KDV EHHQ WDNHQ SODFH IROORZLQJ VWHSV FDQ EH GRQH &KHFN LI $*& FDOLEUDWLRQ LV ZLWKLQ OLPLWV &KHFN LI 615 UHDGLQJ LV 2. 8VH DQ 2VFLOORVFRSH WR FKHFN OHYHOV RI ¦5;,,11§ DQG ¦5;4,11§ ,I 5; DQG 7; SDWK DUH IDXOW\ LW KDV WR EH FKHFNHG WKDW V\QWKHVLVHU LV ZRUNLQJ ,I \HV WKHQ FKHFN SDWK IURP 5) FRQQHFWRU ; WR DQWHQQD VZLWFK = VHH 5; IDXOW ILQGLQJ &KHFN 5;7; VZLWFK
Make sure that Synthesiser is working
Note: RF levels given in that chart are dependent on RF probe and must be validated with a known good sample Apply -80dBm signal from Generator to Antenna Connector phone: local, burst mode
RX Fault finding Tree
EGSM, PCS, PCN RSSI reading -80dBm all bands ?
No
Apply -92dBm signal from Generator to Antenna Connector phone: local, burst mode
EGSM, PCS, PCN SNR measurement all bands o.k. ?
No
RSSI and SNR wrong in all 3 bands ?
Yes
Osci: SA RF-BB Z601 serial EGSMout Interface -76dBm o.k. ?
Yes
Osci: SA RX I/Q Z601 level EGSMout o.k. -76dBm ?
Yes
BB Error Check UEM
Yes
Yes
No Change generator level to -55dBm phone: local, continous mode Check RxTx Switch
No
No
RX calibration
BB Error Check UPP
Change Mjolner
Check SAW Yes
SA SA Z604,Z602,Z603 Z601 SAWout EGSMout both lines -76dBm >-78dBm ?
Check Bias
Osci: SA LNA bias Z601 (VR6) EGSMout =2.8V -76dBm ?
Check Bias
Osci: SA RX -BB bias Z601 (VR4) EGSMout =2.8V -76dBm ?
Check LNA
Yes
Calibrtion. witin limits ?
No
SA SA Z601 RxZ601 output EGSMout (900,1800,1900) > -76dBm -75dBm ?
Yes
Yes
Yes
Osci: SA LNA Z601 base voltage EGSMout = 0.8V -76dBm ?
Yes
No
No
No
No
No
Rx chain functional
Change Z601
Change Z604,Z602,Z603
Check C620, C632 and BB (UEM)
Check C871 and BB (UEM)
Change Mjolner
= to be done in all 3 bands
= to be done in defective band only
= to be done only once (common for all bands)
3DJH
1RNLD &RUSRUDWLRQ
,VVXH $SULO
PAMS Technical Documentation
NPL-1 6 - Troubleshooting
5[ 6LJQDO SDWKV
7KH VLJQDO SDWKV RI WKH UHFHLYHU DUH VKRZQ LQ IROORZLQJ EORFN GLDJUDP 1RWH WKDW WKH SLF WXUH VKRZV (*60 (*60 UHFHLYHU WRS *60 3&6 UHFHLYHU PLGGOH DQG *60 '&63&1 UHFHLYHU GRZQ
VR6 VD DR XF VD DR XB B Rx supply filter VRX VR4
LNA Bias SAW RX GSM Ant Swi tch TX RX PCS TX PCN SAW RX RX1800 INPM INMM LNA VDDLO SAW RX1900 INPH INMH LNA Pregain BBAMP 2 2 2 2 LPF1 DCN1 AGC BIQUA D RX900 INPL INML LNA Pregain BBAMP LPF1 DCN1 AGC BIQUA D
RXIP RXIM
LPF2
DCN2
RXQP RXQM
LPF2
DCN2
VANTL / VANTM / VANTH 3
RF Controls
VDDDIG
1/2
1/4
VDDRXBB
RF Controls
Mjølner
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
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting 7KH 6$: ILOWHUV KDYH PD[LPXP LQVHUWLRQ ORVVHV RI
PAMS Technical Documentation
G%#(*60 G%#*60 DQG G%#*60 5; SDWKV RI 0MRHOQHU 5) $6,& 7KH EDODQFHG 5; VLJQDO LV DPSOLILHG E\ WKH LQWHJUDWHG /1$ DQG WKH VXEVHTXHQW 3UH*DLQ VWDJH $IWHU DPSOLILFDWLRQ WKH 5; VLJQDO LV GRZQFRQYHUWHG ZLWK D /2 VLJQDO FRPLQJ IURP WKH ORFDO RVFLOODWRU 7KH 5; SDWKV RI 0MRHOQHU 5) $6,& FRQVLVW RI IROORZLQJ EXLOGLQJ EORFNV 6HSDUDWH /1$V IRU HDFK RI WKH WKUHH EDQGV (*60 *60 DQG *60 7ZR 35(*$,1 DPSOLILHUV RQH IRU (*60 DQG RQH FRPPRQ IRU *60 DQG *60 7ZR SDVVLYH ,4 PL[HUV 0,; RQH IRU (*60 DQG RQH FRPPRQ IRU *60 DQG *60
7KH UHVXOWLQJ %% VLJQDO LV IXUWKHU DPSOLILHG LQ WKH %% FKDLQ )RU WKDW QR H[WHUQDO FLUFXLWU\ LV UHTXLUHG %DVH EDQG DPSOLILHUV %%$03 7KDW DPSOLILHUV LPSOHPHQW WKH LQLWLDO FKDQQHO ILOWHULQJ /RZ SDVV ILOWHUV /3) '& FRPSHQVDWLRQ $*& DPSOLILHUV '&1 7KH\ LPSOHPHQW JDLQ VWHSV IURP G% WR G% LQ G% VWHSV $WWHQXDWRUV $*& 7KH\ LPSOHPHQW JDLQ VWHSV IURP G% WR G% LQ G% VWHSV \LHOGLQJ D WRWDO JDLQ UDQJH RI G% WRJHWKHU ZLWK '&1 %LTXDG ILOWHUV /3) '& FRPSHQVDWLRQ DPSOLILHUV '&1
7KH GLIIHUHQWLDO EDVH EDQG RXWSXWV DUH LQWHUQDOO\ '& FRXSOHG DQG FDQ EH FRQQHFWHG GLUHFWO\ WR WKH $'& LQSXWV RI WKH 5) FRQYHUWHU FKLS 7KH FRPPRQ PRGH OHYHO LV VHW HTXDO WR WKH 9%(;7 UHIHUHQFH YROWDJH
3DJH
1RNLD &RUSRUDWLRQ
,VVXH $SULO
PAMS Technical Documentation
NPL-1 6 - Troubleshooting
(*60 (*60 7UDQVPLWWHU
*HQHUDO LQVWUXFWLRQV IRU (*60 7; WURXEOHVKRRWLQJ
$SSO\ D 5)FDEOH WR WKH 5)FRQQHFWRU WR DOORZ WKH WUDQVPLWWHG VLJQDO WR DFW DV QRUPDO 5)FDEOH VKRXOG EH FRQQHFWHG WR PHDVXUHPHQW HTXLSPHQW *60 7HVW HTXLSPHQW 3RZHU PHWHU 6SHFWUXP $QDO\]HU RU VLPLODU %H VXUH WR XVH DW OHDVW D G% DWWHQXDWRU RWKHU ZLVH WKH UHVXOWV PD\ EH LQFRUUHFW &RQQHFW WKH SKRQH WR D 3& ZLWK '$83 FDEOH DQG GRQJOH DQG IROORZ WKH IROORZLQJ LQVWUXFWLRQV &RQQHFW WKH SKRQH WR D SRZHU VXSSO\ 9 6WDUW 3KRHQL[ 6HUYLFH 6RIWZDUH DQG RSHQ )%86 FRQQHFWLRQ 6HOHFW )LOH 6FDQ 3URGXFW
:DLW XQWLO SKRQH LQIRUPDWLRQ VKRZV LQ WKH ORZHU ULJKW FRUQHU RI WKH VFUHHQ 6HW RSHUDWLQJ PRGH WR ORFDO PRGH 6HOHFW 0DLQWHQDQFH 7HVWLQJ 5) &RQWUROV
:DLW XQWLO WKH 5) &RQWUROV ZLQGRZ SRSV XS 6HOHFW %DQG $FWLYH XQLW 2SHUDWLRQ PRGH 5;7; &KDQQHO 7; 3$ 0RGH 7; 3RZHU /HYHO 7; 'DWD 7\SH *60 7; %XUVW )UHH 5DQGRP
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting 7KH VHWXS VKRXOG QRZ ORRN OLNH WKLV
PAMS Technical Documentation
1RZ WKH PHDVXUHPHQW HTXLSPHQW VKRXOG PHDVXUH WKH IROORZLQJ RXWSXW VLJQDO IURP WKH SKRQH · 3RXW G%P # 0+]
,I WKLV LV QRW WKH FDVH WKHQ JR WR WKH IDXOW ILQGLQJ FKDUW IRU (*60 WUDQVPLWWHU LQ WKLV GRFXPHQW IRU WURXEOHVKRRWLQJ
7; 3DWK RI WKH WUDQVPLWWHG (*60 VLJQDO
)RU HDV\ HUURU WUDFLQJ LW LV LPSRUWDQW WR NQRZ WKH VLJQDO SDWK RI WKH (*60 WUDQVPLW WHU 7KH FRPSRQHQWV FDQ EH JURXSHG LQWR EORFNV DQG GUDZQ DV VKRZQ EHORZ 1RWH WKDW WKH IROORZLQJ SLFWXUH VKRZV ERWK (*60 WUDQVPLWWHU ERWWRP DQG *60 *60 WUDQVPLWWHU WRS
3DJH
1RNLD &RUSRUDWLRQ
,VVXH $SULO
PAMS Technical Documentation
NPL-1 6 - Troubleshooting
VANTL / VANTM / VANTH 3 RF Controls
VDDDIG
VB_DET VTXLOL VTXLOH VTXBH VTXBL PCN/PCS Balun GSM TX Ant Switch VTX PCN TX PCS EGSM DET PWloop filter Buffer OUTLP OUTLM DET PLFB1 PLFB2 SAW Dir. Coupler PA OUTHP OUTHM
VDDRXBB RF Controls
1/2
1/4
2 Open collector
2
2
2
Open collector
PWC
Mjølner
VDDTX TXP TXC
VPCH/VPCL 2
2
2
Supply filter TXQP/TXQM VTX PA_IDENT TXIP/TXIM
VBATTRF
TXP TXC
VR2
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
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting
PAMS Technical Documentation
$QWHQQD 6ZLWFK 7;5; VZLWFK 7KH DQWHQQD 6ZLWFK ZRUNV DV D GLSOH[HU IRU WKH 5; DQG 7; VLJQDOV 0RUHRYHU LW VXS SUHVVHV WKH 7; KDUPRQLFV JHQHUDWHG E\ WKH 3$ 7KH DQWHQQD VZLWFK LV FRQWUROOHG E\ WKH 0MRHOQHU 5) $6,& XVLQJ WKH FRQWURO VLJQDOV &217 &217 DQG &217 7KH IROORZLQJ WDEOH VKRZV WKH SRVVLEOH GLIIHUHQW VWDWHV
&217 >9ROW@ &217 >9ROW@ &217 >9ROW@ ; ; (*60 5[ ; ; ; '&6 5[ 3&6 5[ (*60 7[ '&63&6 7[
)DXOW ILQGLQJ FKDUW IRU (*60 WUDQVPLWWHU
,Q IROORZLQJ LW LV DVVXPHG WKDW WKH 7;3 VLJQDO LV XVHG DV WULJJHUVLJQDO )RU WKDW D 7;3 WHVW SRLQW LV SURYLGHG
Use Phoenix to select TX_Data Type: "1" or "0" TX Power Level: 10 Yes Oscilloscope R612 C627 C717 C623 C605 Yes Oscilloscope C715 TXIOUTP 67kHz Vac = 0.4 Vpp, Vdc = 1.1 V C715 TXIOUTN 67kHz Vac = 0.4 Vpp, Vdc = 1.1 V C716 TXQOUTP 67kHz Vac = 0.4 Vpp, Vdc = 1.1 V C716 TXQOUTN 67kHz Vac = 0.4 Vpp, Vdc = 1.1 V Yes Base Band No Check VREF01 VR2 TXP VR5 VR3 Vdc = Vdc = V = Vdc = Vdc = 1.35 Volt 2.78 Volt 1.8 Volt 2.78 Volt 2.78 Volt No Check Base Band
3DJH
1RNLD &RUSRUDWLRQ
,VVXH $SULO
PAMS Technical Documentation
Yes Oscilloscope R823 C702 VTXB_900 CONT1 Vdc = 2.78 Volt Vdc = 0 Volt No
NPL-1 6 - Troubleshooting
Check: Mjoelner Serial Interface Mjoelner
C701 C703 C803 Yes Spectrum analyzer Z701 out, R806 in
CONT2 CONT3 VBD
Vdc = 0 Volt Vdc = 2.78 Volt Vdc = 2.78 Volt
No TX_900 P>= -3 dBm, 897,4 MHz Compare with good sample
Check EGSM TX SAW Filter Mjoelner Synthesizer
Yes Use Phoenix to select TX_Data Type: Random TX Power Level: 10 Yes Spectrum analyzer L801 B1_in (PA N801 Pout_GSM) Power = +25 dBm, 897,4 MHz Yes Spectrum analyzer RF-connector Pout =+23 dBm, 897,4 MHz Yes EGSM TX OK No Check Directional Coupler (L801) Antenna Switch (Z601) No Check PA N801 Check Power Loop L801,V801 Check TXC
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting
PAMS Technical Documentation
*60 '&63&1 7UDQVPLWWHU
*HQHUDO LQVWUXFWLRQV IRU *60 7; WURXEOHVKRRWLQJ
$SSO\ D 5)FDEOH WR WKH 5)FRQQHFWRU WR DOORZ WKH WUDQVPLWWHG VLJQDO WR DFW DV QRUPDO 5)FDEOH VKRXOG EH FRQQHFWHG WR PHDVXUHPHQW HTXLSPHQW *60 7HVW HTXLSPHQW 3RZHU PHWHU 6SHFWUXP $QDO\]HU RU VLPLODU %H VXUH WR XVH DW OHDVW D G% DWWHQXDWRU RWKHU ZLVH WKH UHVXOWV PD\ EH LQFRUUHFW &RQQHFW WKH SKRQH WR D 3& ZLWK '$83 FDEOH DQG GRQJOH DQG IROORZ WKH IROORZLQJ LQVWUXFWLRQV &RQQHFW SKRQH WR D SRZHU VXSSO\ 6WDUW 3KRHQL[ 6HUYLFH 6RIWZDUH DQG RSHQ )%86 FRQQHFWLRQ 6HOHFW )LOH 6FDQ 3URGXFW
:DLW XQWLO SKRQH LQIRUPDWLRQ VKRZV LQ WKH ORZHU ULJKW FRUQHU RI WKH VFUHHQ 6HW RSHUDWLQJ PRGH WR ORFDO PRGH 6HOHFW 0DLQWHQDQFH 7HVWLQJ 5) &RQWUROV
:DLW XQWLO WKH 5) &RQWUROV ZLQGRZ SRSV XS 6HOHFW %DQG $FWLYH XQLW 2SHUDWLRQ PRGH 5;7; &KDQQHO 7; 3$ 0RGH 7; 3RZHU /HYHO 7; 'DWD 7\SH *60 7; %XUVW )UHH 5DQGRP
3DJH
1RNLD &RUSRUDWLRQ
,VVXH $SULO
PAMS Technical Documentation 7KH VHWXS VKRXOG QRZ ORRN OLNH WKLV
NPL-1 6 - Troubleshooting
1RZ WKH PHDVXUHPHQW HTXLSPHQW VKRXOG PHDVXUH WKH IROORZLQJ RXWSXW VLJQDO IURP WKH SKRQH · 3RXW G%P # 0+]
,I WKLV LV QRW WKH FDVH WKHQ JR WR WKH IDXOW ILQGLQJ FKDUW IRU *60 WUDQVPLWWHU LQ WKLV GRFXPHQW IRU WURXEOHVKRRWLQJ
7; SDWK RI WKH WUDQVPLWWHG '&6 VLJQDO
)RU HDV\ HUURU WUDFNLQJ LW LV LPSRUWDQW WR NQRZ WKH VLJQDO SDWK RI WKH '&6 WUDQVPLW WHU 7KH FRPSRQHQWV FDQ EH JURXSHG LQWR EORFNV DQG GUDZQ DV VKRZQ EHORZ 1RWH WKDW WKH SLFWXUH VKRZV ERWK (*60 WUDQVPLWWHU ERWWRP DQG *60*60 WUDQV PLWWHU WRS
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting
PAMS Technical Documentation
VANTL / VANTM / VANTH 3 RF Controls
VDDDIG
VB_DET VTXLOL VTXLOH VTXBH VTXBL PCN/PCS Balun GSM TX Ant Switch VTX PCN TX PCS EGSM DET PWloop filter Buffer OUTLP OUTLM DET PLFB1 PLFB2 SAW Dir. Coupler PA OUTHP OUTHM
VDDRXBB RF Controls
1/2
1/4
2 Open collector
2
2
2
Open collector
PWC
Mjølner
VDDTX TXP TXC
VPCH/VPCL 2
2
2
Supply filter TXQP/TXQM VTX PA_IDENT TXIP/TXIM
VBATTRF
TXP TXC
VR2
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
3DJH
1RNLD &RUSRUDWLRQ
,VVXH $SULO
PAMS Technical Documentation
NPL-1 6 - Troubleshooting
$QWHQQD 6ZLWFK 7KH DQWHQQD 6ZLWFK ZRUNV DV D GLSOH[HU EHWZHHQ 5; DQG 7; VLJQDOV 0RUHRYHU LW SDUWO\ VXSSUHVVHV WKH 7; KDUPRQLFV JHQHUDWHG E\ WKH 3$ 0MRHOQHU 5) $6,& FRQWUROV WKH DQWHQQD VZLWFK E\ WKUHH YROWDJHV &217 &217 DQG &217 7KH IROORZLQJ WDEOH VKRZV WKH SRV VLEOH GLIIHUHQW VWDWHV
&217 >9ROW@ &217 >9ROW@ &217 >9ROW@ ; ; (*60 5[ ; ; ; '&6 5[ 3&6 5[ (*60 7[ '&63&6 7[
)DXOW ILQGLQJ FKDUW IRU *60 WUDQVPLWWHU
,W LV XVHIXO WR XVH WKH 7;3 VLJQDO DV WULJJHUVLJQDO ,W LV SURYLGHG DW 7;3 WHVW SRLQW
Use Phoenix to select TX_Data Type: "1" or "0" TX Power Level: 5 Yes Oscilloscope R612 C627 C717 C623 C605 Yes Oscilloscope C715 TXIOUTP 67kHz Vac = 0.4 Vpp, Vdc = 1.1 V C715 TXIOUTN 67kHz Vac = 0.4 Vpp, Vdc = 1.1 V C716 TXQOUTP 67kHz Vac = 0.4 Vpp, Vdc = 1.1 V C716 TXQOUTN 67kHz Vac = 0.4 Vpp, Vdc = 1.1 V Yes Base Band No Check VREF01 VR2 TXP VR5 VR3 Vdc = Vdc = V = Vdc = Vdc = 1.35 Volt 2.78 Volt 1.8 Volt 2.78 Volt 2.78 Volt No Check Base Band
,VVXH $SULO
1RNLD &RUSRUDWLRQ
3DJH
NPL-1 6 - Troubleshooting
Yes Oscilloscope
PAMS Technical Documentation
No C702 CONT1 Vdc = 2.78 Volt
Check: Mjoelner Serial Interface
C701 C703 C803 Yes Spectrum analyzer R819 in
CONT2 CONT3 VBD
Vdc = 0 Volt Vdc = 0 Volt Vdc = 2.78 Volt
Mjoelner
No TX_1800 P>= -3 dBm, 1747.8 MHz
Check DCS Balun T701 Mjoelner Synthesizer
Yes Use Phoenix to select TX_Data Type: Random TX Power Level: 5 Yes Spectrum analyzer L801 B1_in (PA N801 Pout_DCS) Power = +22 dBm, 1747.8 MHz Yes Spectrum analyzer RF-connector Pout = +20 dBm, 1747.8 MHz Yes DCS TX OK No Check Directional Coupler (L801) Antenna Switch (Z601) No Check PA N801 Check Power Loop L801,V801 Check TXC
3DJH
1RNLD &RUSRUDWLRQ
,VVXH $SULO