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Nokia Mobile Phones NPB-1 NB Series Troubleshooting Manual

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Summary of Contents for Nokia Mobile Phones NPB-1 NB Series

  • Page 1 3URJUDPPHV $IWHU 0DUNHW 6HUYLFHV 13%1% 6HULHV 7UDQVFHLYHUV 7URXEOHVKRRWLQJ 1RNLD 0RELOH 3KRQHV /WG ,VVXH  )HE ...
  • Page 2 NPB-1NB Troubleshooting PAMS Technical Documentation 7DEOH RI &RQWHQWV 3DJH 1R Baseband Troubleshooting ................5 Baseband Testpoints ...................... 5 Power Schematic - Plots ....................8 CPU Schematic - Plots ....................9 Fault Finding Charts..................... 10 1. Phone is Dead ......................10 2. Flash Programming Does Not Work ..............10 3.
  • Page 3 NPB-1NB PAMS Technical Documentation Troubleshooting Measuring Points .......................48 RX ..........................48 TX ..........................49 VCO ...........................50 VCTCXO ........................51 Other checking points ....................51 Measurement Points -Waveforms ................52 1RNLD 0RELOH 3KRQHV /WG ,VVXH  )HE  3DJH ...
  • Page 4 NPB-1NB Troubleshooting PAMS Technical Documentation 7KLV 3DJH ,QWHQWLRQDOO\ %ODQN 1RNLD 0RELOH 3KRQHV /WG 3DJH  ,VVXH  )HE ...
  • Page 5 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting %DVHEDQG 7URXEOHVKRRWLQJ %DVHEDQG 7HVWSRLQWV Testpoint Net Name Condition DC-level AC-level General R350 Flash or emulated Nominal 2.8 V EEPROM write Min 1.7V, max 2.85 J200 CCONTC Active State Pulsed active 0V Normal state 2.8 V J212 PURX Powe...
  • Page 6 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation Testpoin Name Condition DC-level AC-level Power supplies C201 Active state Nominal 3.6V (baseband) Min 3.0V, max 4.2V C241 Active state 2.8V Min 2.7V, max 2.85V C243 Active state 2.8V Min 2.7V, max 2.85V 7HVWSRLQW 1 HW 1DP H &RQGLWLRQ '&OHYHO...
  • Page 7 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting Testpoint Net Name Condition DC-level AC-level Clock C220 SLEEPCL SLCLK Power on Pulsed DC (0V to 2.8V) C303 RFCLK Active state Typ. 0.8 Vpp (Min 0.5Vpp, Max 2.0Vpp) J317 COBBAC COBBAIF Active state Pulsed DC (0V to 2.8V) J323 MEMC(7) RAMSelX Active state...
  • Page 8 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation 3RZHU 6FKHPDWLF  3ORWV 3RZHU 6FKHPDWLF SORWV  SDJH  6\VWHP 3RZHU RQ 5 3:521; 5)& & 385; 5 & 6\VWHP VOHHS FORFN )UHTXHQF\ LV  .+] & 6/((3&/. 1RNLD 0RELOH 3KRQHV /WG 3DJH  ,VVXH  )HE ...
  • Page 9 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting &38 6FKHPDWLF  3ORWV 6\VWHP FORFN )UHTXHQF\ LV  0+] & 5)& &REED FORFN )UHTXHQF\ LV  0+] - &2%%$&/. 3URJUDPPLQJ IODVK 385; 5 0%86 5 5 )%86>@  7[ )%86>@  5[ 5 1RNLD 0RELOH 3KRQHV /WG ,VVXH  )HE  3DJH ...
  • Page 10 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation )DXOW )LQGLQJ &KDUWV 3KRQH LV 'HDG 3KRQH LV GHDG PHDQV WKDW WKH SKRQH GRHV QRW WDNH FXUUHQW ZKHQ WKH SRZHU VZLWFK LV SUHVVHG RU ZKHQ WKH ZDWFKGRJ GLVDEOH SLQ :'',6; LV JURXQGHG 1RPLQDO VXSSO\ YROWDJH WR WKH SKRQH LV  9 9EDW YROWDJH  ,I WKH EDWWHU\ YROWDJH LV EHORZ  9 WKH &&217 SUH YHQWV WKH SKRQH IURP SRZHULQJ XS The phone is dead...
  • Page 11 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting ‡ 7KH HUURU LQIRUPDWLRQ FRXOG EH  ‡ 0&8 GRHV QRW ERRW ‡ 6HULDO FORFN OLQH IDLOXUH ‡ 6HULDO GDWD OLQH IDLOXUH ‡ ([WHUQDO 5$0 IDLOLXUH ‡ $OJRULWKP ILOH RU DOLDV ,' QRW IRXQG ‡...
  • Page 12 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation )ODVK SURJUDPPLQJ GLDJUDP  Flash programming doesn’t work If fault information from Prommer is: a) MCU doesn’t boot See section: (2) b) Serial dataline failure c) Serial clock line failure Connect R224 (towards N201) (WDDISX) to GND.
  • Page 13 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting )ODVK SURJUDPPLQJ GLDJUDP  Flash programming doesn’t work Check for activity on control lines for SRAM : J323 External RAM error Defective SRAM (D302) (RAMSelX) Defective MAD2 (D300) or short circuit under the SRAM Algorithm file or alias Check the type of the not found.
  • Page 14 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation )DXOW ILQGLQJ GLDJUDP Phone unable to stay on or phone is jammed. CCONT watchdog is served, J200 pulses "1" ->"0" Software is able to run. Check UI (keys and display) Ground the watchdog (Vbb = 2,8 V) See section "Phone is dead"...
  • Page 15 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting 0&8 VHOIWHVW FDVHV FDQ EH VSOLW LQWR WZR FDWHJRULHV  WKH RQHV WKDW DUH H[HFXWHG GXULQJ SRZHU XS DQG WKH RQHV WKDW DUH H[HFXWHG RQO\ ZLWK D 3& FRQQHFWHG 7KHVH WHVW DQG WKH LWHPV LQFOXGHG DUH DV IROORZV  7KH LQIRUPDWLRQ VKRZQ DERYH FDQ EH XVHG WR GLDJQRVH WKH SKRQH ([SODQDWLRQ RI 0&8 520 &KHFNVXP  $  ELW FKHFNVXP LV FDOFXODWHG IURP WKH IODVK FRGH DQG WKH UHVXOW LV WKHQ FRPSDUHG WR WKH RQH IRXQG LQ WKH IODVK...
  • Page 16 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation 1R 1HWZRUN )RXQG 1R &DOO (VWDEOLVKHG :KHQ WKH SKRQH LV XQDEOH WR HLWKHU ILQG D QHWZRUN RU HVWDEOLVK D FDOO ERWK WKH 5) SDUW DQG WKH EDVHEDQG SDUW FDQ FDXVH LW 7KH SKRQH FDQ EH VHW WR UHTXLUHG PRGH 5) PHDVXUH PHQWV E\ WKH :LQ7HVOD VHUYLFH VRIWZDUH LQ RUGHU WR GHWHUPLQH LI WKH HUURU LV SODFHG HLWKHU LQ WKH 5) SDUW RU WKH EDVHEDQG SDUW 7KHUH DUH WZR FLUFXLWV WKDW VXSSOLHV WKH 5) SDUW RI WKH SKRQH 7KHVH FLUFXLWV DUH ...
  • Page 17 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting 3KRQH 1RW 5HJLVWHULQJ WR D 1HWZRUN Phone doesn’t register to a network or the phone is unable to make a call C207 (Vcobba) > 2,7V Check CCONT (N201) Check C210, R509 and Vref at C201 =1,5V C536.
  • Page 18 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation 6LP 5HODWHG (UURUV 7KH 6,0 LQWHUIDFH IURP WKH 0$':' ' WR WKH 6,0 FRQQHFWRU ; FDQ EH WHVWHG ZLWKRXW D 6,0 FDUG :KHQ WKH SRZHU LV VZLWFKHG RQ DQG WKH %6, WHUPLQDO LV JURXQGHG E\ D UHVLVWRU DOO LQWHUIDFH OLQHV 96,0 '$7$B$ 6,0567B$ 6,0&/. ULVHV ILUVW WR 9 WKH WR 9 7KLV LV UHSHDWHG IRXU WLPHV ,Q WKLV ZD\ LW LV SRVVLEOH WR ILQG HUURUV LQ WKH 6,0 LQWHUIDFH ZLWKRXW D 6,0 FDUG...
  • Page 19 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting 6,0 FDUG UHMHFWHG HUURU "SIM card rejected" Vsim according to spec.: 2,8V min. (3V SIM card) Defective CCONT (N201) 4,5V min. (5V SIM card) ATR data can be seen at C222 towards Check X400 and R213 R213 ATR data can be Check CCONT (N201)
  • Page 20 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation $XGLR )DXOWV ,QWHUQDO HDUSHDFH Earpiece doesn’t work and there aren’t any electrical or mechanical problems Check R119, R120, C122, C105, C125, C104, C126, Replace COBBA (N100) ,QWHUQDO PLFURSKRQH Microphone doesn’t work and there aren’t any electrical or mechanical problems.
  • Page 21 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting ([WHUQDO HDUSHDFH Headset earpiece doesn’t work and there are no mechanical problems Check L401, R109, C101, C107. Replace COBBA (N100). ([WHUQDO PLFURSKRQH Headset microphone doesn’t work and there are no mechanical problems R203 towards C205 is high when Check X200 the headset plug is inserted.
  • Page 22 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation &KDUJLQJ (UURU 1R GHWHFWLRQ RI FKDUJHU Nothing happens when a charger is connected to the phone The voltage at R210 towards Check F200, L202, R209, R210 R209 > 0,4V Replace CCONT (N201) ¦1RW &KDUJLQJ§ PHVVDJH "Not charging"...
  • Page 23 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting 3ORW 5)& LQ 1RUPDO 2SHUDWLRQ &+ 5)& & 5HTXLUHPHQWV &ORFN IUHTXHQF\  0+]   330  °& &ORFN DPSOLWXGH  9SS   9SS 'XW\F\FOH     3HUIRUPHG PHDVXUHPHQWV &ORFN IUHTXHQF\  0+]  °& 3DVV &ORFN DPSOLWXGH  9SS 3DVV 'XW\F\FOH     3DVV...
  • Page 24 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation 3ORW  3RZHU 8S ZLWK $&38 &+ 385; - &+ 9&;23:5 - 5HTXLUHPHQWV 7KH SKRQH PXVW SRZHURQ SURSHUO\ ZLWK FKDUJHU $&38 9&;2SZU VLJQDO DW WKH 0$' LV XVHG DV WULJJHU 385; LV PRQLWRUHG E\ WKH VFRSH 385; VLJQDO PXVW JR KLJK DIWHU  PV ±   3HUIRUPHG PHDVXUHPHQWV 3RZHU XS ZLWK $&38...
  • Page 25 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting 3ORW  3RZHU XS ZLWK $&38 &+ 385; - &+ 9&;23:5 - 5HTXLUHPHQWV 7KH SKRQH PXVW SRZHURQ SURSHUO\ ZLWK FKDUJHU $&38 9&;2SZU VLJQDO DW WKH 0$' LV XVHG DV WULJJHU 385; LV PRQLWRUHG E\ WKH VFRSH 385; VLJQDO PXVW JR KLJK DIWHU  PV ±   3HUIRUPHG PHDVXUHPHQWV 3RZHU XS ZLWK $&38...
  • Page 26 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation 3ORW  3RZHU XS ZLWK $&38 &+ 385; - &+ 9&;23:5 - 5HTXLUHPHQWV 7KH SKRQH PXVW SRZHURQ SURSHUO\ ZLWK FKDUJHU $&38 9&;2SZU VLJQDO DW WKH 0$' LV XVHG DV WULJJHU 385; LV PRQLWRUHG E\ WKH VFRSH 385; VLJQDO PXVW JR KLJK DIWHU  PV ±   3HUIRUPHG PHDVXUHPHQWV 3RZHU XS ZLWK $&38...
  • Page 27 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting 3ORW 3RZHU XS ZLWK D SRZHU YDULDEOH SRZHU VXSSO\ 3XUSRVH RI WKLV WHVW LV WR YHULI\ WKDW SRZHUXS VHTXHQFH LV IROORZLQJ VSHFLILFDWLRQV UHJDUGLQJ WKH 9 GHWHFWLRQ FLUFXLW FKDU &+ 5)&/. & &K 385; - &+ 9&+$5 5 &+ 9%% & 5HTXLUHPHQWV 7KH 9 GHWHFWLRQ FULWHULD ž...
  • Page 28 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation 3ORW  3RZHU XS ZLWK 3RZHU VZLWFK 3:521[ 3XUSRVH RI WKLV WHVW LV WR YHULI\ FRUUHFW SRZHUXS VHTXHQFH E\ SUHVVLQJ WKH SRZHU VZLWFK &+ 3ZU2Q[ 5 &K 385; - &+ 9;2 6XSSO\ 5 &+ 9%% & 5HTXLUHPHQWV 7KH SKRQH PXVW SRZHU SURSHUO\ XS ZKHQ WKH SRZHU VZLWFK LV SUHVVHG 3ZU2Q;...
  • Page 29 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting 3ORWV  3&0 &ORFN 7HVWV 7KH SXUSRVH RI WKLV WHVW LV WR YHULI\ WKDW WKH WLPLQJ RI WKH 3&0 EXV LV DFFRUGLQJ WR WKH 0$':'&2%%$ VSHFLILFDWLRQV $ GLJLWDO RVFLOORVFRSH LV WULJJHUHG IURP WKH ULVLQJ HGJH RI 3&0 FORFN 7KH RWKHU FKDQQHOV DUH FRQQHFWHG WR WKH 3&0 V\QF FORFN 3&07[ DQG 3&05[ 7KH SKRQH LV FRQQHFWHG WR D *60 WHVWHU DQG D FDOO LV HVWDEOLVKHG 7LPHV EHWZHHQ GLIIHUHQW VLJQDOV DUH PHDVXUHG DQG WKH UHVXOWV DUH VWRUHG...
  • Page 30 NPB-1NB Baseband Troubleshooting PAMS Technical Documentation 3ORW  3&07['DWD YDLOG DIWHU 3&0'FON ULVLQJ GHOD\ 7G 3&07['DWD  QV  3DVV &+ ¤ 3&07['DWD - &+ ¤ 3&0'&/. - 3/RW  3&05['DWD VHWXS WLPH EHIRUH 3&0'FON IDOOLQJ HGJH 7VX 3&05['DWD  XV  3DVV &+ ¤ 3&0'&/. - &+ ¤ 3&05['DWD - 1RNLD 0RELOH 3KRQHV /WG 3DJH  ,VVXH  )HE ...
  • Page 31 NPB-1NB PAMS Technical Documentation Baseband Troubleshooting 3ORW  3&05['DWD KROG WLPH DIWHU 3&0'FON IDOOLQJ DGJH 7K 3&05['DWD  QV  3DVV &+ ¤ 3&0'&/. - &+ ¤ 3&05['DWD - 1RNLD 0RELOH 3KRQHV /WG ,VVXH  )HE  3DJH ...
  • Page 32 NPB-1NB RF Troubleshooting PAMS Technical Documentation 5) 7URXEOHVKRRWLQJ ,QWURGXFWLRQ 7KLV VHFWLRQ LV ZULWWHQ IRU XVH LQ FRQMXQFWLRQ ZLWK WKH :LQ7HVOD WXQLQJ DQG WHVWLQJ VRIWZDUH 3LF WXUHV RI WKH PHQX VWUXFWXUHV DUH VKRZQ WKURXJK RXW WKH GRFXPHQW 7KLV VKRXOG EH XVHG DORQJ ZLWK WKH SKRQH©V 5) VFKHPDWLF :LQ7HVOD KDV  NH\ PHQXV 3URGXFW...
  • Page 33 NPB-1NB PAMS Technical Documentation RF Troubleshooting 5) &RQWUROV 5) FRQWUROV ZLQGRZ LV XVHG WR FRQWURO WKH GLIIHUHQW 5) PRGHV 7KLV 5) &RQWURO ZLQGRZ FDQ EH VWDUWHG IURP WKH 7HVWLQJ 0HQX :LWK ¦5) FRQWUROV§PHQX VHOHFWHG DOO PRGHV IRU 5) WHVWLQJ FDQ EH VZLWFKHG RQ ¦566, UHDGLQJ§...
  • Page 34 NPB-1NB RF Troubleshooting PAMS Technical Documentation 6WUHQJWK PHDVXUHG E\ WKH SKRQH 1RWH WKH FKDQQHO XVHG E\ WKH SKRQH FDQ EH IRXQG LQ WKH ´5) ,QIRUPDWLRQ ´ZLQGRZ 7KH FKDQQHO FDQ EH FKDQJHG E\ XVLQJ WKH ´5) FRQWUROVµ ZLQGRZ 7XQLQJ WKH 3KRQH 5;...
  • Page 35 NPB-1NB PAMS Technical Documentation RF Troubleshooting &OLFN ¦0HDVXUH§ 5; FKDQQHO ILOWHU ZLOO EH FDOLEUDWHG 1R H[WHUQDO VLJQDOV DUH QHHGHG IRU WKLV WXQLQJ $OO VLJQDOV DUH JHQHUDWHG LQ WKH EDVHEDQG DQG VZLWFKHG EDFN IURP 7; WR 5; LQVLGH +DJDU 9&7&;2 IUHTXHQF\ $)& 5;...
  • Page 36 NPB-1NB RF Troubleshooting PAMS Technical Documentation )HHG *60 VLJQDO DW KL OHYHO LQ WR WKH DQWHQQD SRUW 6HOHFW 2. WR WXQH *60 KLJK OHYHO )HHG *60 VLJQDO DW OR OHYHO LQ WR WKH DQWHQQD SRUW 6HOHFW 2. WR WXQH *60 ORZ 1RNLD 0RELOH 3KRQHV /WG 3DJH  ,VVXH  )HE ...
  • Page 37 NPB-1NB PAMS Technical Documentation RF Troubleshooting 7XQLQJ 6: VKRZV WKH WXQLQJ YDOXHV IRU *60 5; FDOLEUDWLRQ 6HOHFW 6$9( WR VDYH WKH WXQLQJ YDOXHV 1RNLD 0RELOH 3KRQHV /WG ,VVXH  )HE  3DJH ...
  • Page 38 NPB-1NB RF Troubleshooting PAMS Technical Documentation $0 6XSSUHVVLRQ &DOLEUDWLRQ 1RWH)UHTXHQFLHV RI WKH SURYLGHG VLJQDOV FDQ GLIIHU GHSHQGLQJ WKH FKDQQHO XVHG ,QIRUPDWLRQ RI WKH QHHGHG VLJQDO LV JLYHQ IURP WKH WXQLQJ IXQFWLRQ RI :LQ7HVOD (TXLSPHQW  5) JHQHUDWRU ZLWK $0 PRGXODWLRQ 7XQLQJ SURFHGXUH VHOHFW ¦7XQLQJ§...
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  • Page 40 NPB-1NB RF Troubleshooting PAMS Technical Documentation 7; 7XQLQJ 1RWH ,I \RX XVH -LJ 0-6 WR WXQH SRZHU DGMXVW WDUJHW YDOXHV EDVHG RQ DWWHQXDWLRQ RI WKU MLJ DQG FDEOH 7; 3RZHU 7XQLQJ )UHTXHQFLHV 'HSHQGV RQ WKH FKDQQHO DQG IUHTXHQF\ EDQG XVHG GXULQJ WKH WXQLQJ *60 FHQWHU FKDQQHO LV    0+] 8VHG FKDQQHO FDQ EH VHHQ LQ 4XLFN 5) ,QIR ¤ZLQGRZ ,I WKLV ZLQGRZ LV QRW VKRZQ LW FDQ EH WXUQHG RQ E\ WKH...
  • Page 41 NPB-1NB PAMS Technical Documentation RF Troubleshooting ,Q WXQLQJ ZLQGRZ VHOHFW KLJKHVW SRZHU OHYHO  7R JHW D FOHDU GLVSOD\ VHW VSHFWUXP DQDO\]HU DV IROORZV ¤IUHTXHQF\  0+] GHSHQG WKH XVHG FK VSDQ  +] UHVROXWLRQ EZ  0+] YLGHR EZ  0+] VZHHS WLPH  PV...
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  • Page 45 NPB-1NB PAMS Technical Documentation RF Troubleshooting $QWHQQD 6ZLWFK $QWHQQD VZLWFK RSHUDWLRQ FDQ EH WHVWHG E\ PHDVXULQJ WKH VLJQDO OHYHO IURP SRLQW 5; ZLWK WKH VSHFWUXP DQDO\]HU $QWHQQD VZLWFK 5; SDWK LV RQ DOO WKH WLPH H[FHSW GXULQJ WKH 7; EXUVW 7UDQVPLWWHU )DXOW )LQGLQJ *HQHUDO 0LGGOH FKDQQHO  LV XVHG DV D WHVW FKDQQHO  0+]  6LJQDO OHYHOV FDQ YDU\ GHSHQGLQJ RQ...
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  • Page 47 NPB-1NB PAMS Technical Documentation RF Troubleshooting 5) 7HVWSRLQWV 1RNLD 0RELOH 3KRQHV /WG ,VVXH  )HE  3DJH ...
  • Page 48 NPB-1NB RF Troubleshooting PAMS Technical Documentation 0HDVXULQJ 3RLQWV '& OHYHOV RVFLOORVFRSH 3RLQW 6LJQDO &RPSRQHQW &RPPHQW 3ORW 5;,3 DQG 5;43 5 ,4 VLJQDOV  N+] IURP +DJDU WR &2%%$ 5;,3 DQG 5;43 & 6DPH WKDW 5; EXW EHIRUH $*& VWDWH '&6 /1$ FWUO 5  9 a 9 EXUVW FRQWUROV /1$ 212)) 5[UHI...
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  • Page 50 NPB-1NB RF Troubleshooting PAMS Technical Documentation 5) OHYHOV 3RLQW 6LJQDO &RPSRQHQW &RPPHQW 7; '(7 &  & 'HWHFWHG 7; OHYHO WR +$*$5 7; 5; DQG 7; =  DQW )LQDO 7; IUHTXHQF\ DQG OHYHO  G%P *60   OHY  FKHFN OHYHO IURP UHIHUHQFH HQJLQH 7; 3$ RXWSXW '&6...
  • Page 51 NPB-1NB PAMS Technical Documentation RF Troubleshooting 9&7&;2 '& OHYHOV 3RLQW 6LJQDO &RPSRQHQW &RPPHQW 9;2 9WF[R * 9&7&;2 RSHUDWLQJ YROWDJH IURP &&217 '&  9 9;2 $)& 5  & $)& IURP &2%%$ WR 9&7&;2 '& ž 9 5) OHYHOV 3RLQW 6LJQDO &RPSRQHQW &RPPHQW...
  • Page 52 NPB-1NB RF Troubleshooting PAMS Technical Documentation 0HDVXUHPHQW 3RLQWV :DYHIRUPV 3ORW  5; ,4 IURP +DJDU WR EDVHEDQG Pin = -58dBm, Fin = 1960.06771MHz (RSSI Reading ≈ -60dBm) Channel 1: RX1 RXIP R504 Channel 2: RX1 RXQP R504 Channel 3: RX4 LNA_G V500 notice the premonitoring steps at the beginning of the burst 3ORW  5;...
  • Page 53 NPB-1NB PAMS Technical Documentation RF Troubleshooting 3ORW  /1$ FRQWURO Channel 2: RX4, base of V500 Channel 3: RX7: Vlna 3ORW  3$ VHOHFWLRQ DQG FRQWURO Condition: DCS TX, burst mode power level 5 Channel 1: TX3 TXP, J503 Channel 2: TX1 C561, Vpd DCS Channel 3: TX10, C542, TXC DCS Channel 4: TX5, C752, VtxB DCS 1RNLD 0RELOH 3KRQHV /WG...
  • Page 54 NPB-1NB RF Troubleshooting PAMS Technical Documentation Plot 5. VBATT during TX burst Condition: DCS TX burst mode power level 0 Channel 2: VCO1 Channel 3: VCO4 Channel 1:TX2, VBATT 3ORW  6ZLWFK FRQWURO Channel 1:TX3: TXP, J503, Channel 2:TX16: C574, TXVDCS 1RNLD 0RELOH 3KRQHV /WG 3DJH  ,VVXH  )HE ...
  • Page 55 NPB-1NB PAMS Technical Documentation RF Troubleshooting 3ORW  3RZHU GHWHFWRU FRQWURO Condition: DCS TX, burst mode powerlevel 5 Channel 4: TX11: C615, DET0, Channel 3: TX7: C588, DET0, Channel 2: TX6: C574, TXVDET, Channel 1: TX3: TXP, J503, 3ORW  7; ,4 VLJQDOV TXQN Channel 1: TXIN...
  • Page 56 NPB-1NB RF Troubleshooting PAMS Technical Documentation 3ORW  9&2 RSHUDWLQJ YROWDJHV Conditions: DCS, RX in burst mode, RX ch810, Monitoring ch512 Channel 1: VCO4 Channel 2: VCO1 Channel 3: VCO3 Channel 4: VCO2 3ORW  &ORFN VLJQDOV 9&7&;2 5)& Channel 1: VXO3, RFC Channel 2: VXO4, VCTCXO_out 1RNLD 0RELOH 3KRQHV /WG 3DJH ...