User Guide

NPL-3 Company confidential
Troubleshooting Instructions CCS Technical Documentation
Page 32 ãNokia Corporation. Issue 1 3/03
Baseband troubleshooting
Figure 30: Basic baseband test points
J154 DATA (UPP
-
J417 EXTRDX (UPP
-
J418 FLS2CSX (UPP
-
>FLASH)
J419 FLSCLK (UPP
-
J420 FLSCSX (UPP)
J416 EXTWRX (UPP
-
J414 DBUSDA (UPP<>UEM)
J402 PURX (UEM->UPP)
J404 SLEEPCLK (UEM->UPP)
J407 CBUSDA (UPP<>UEM)
J408 CBUSENX (UPP->UEM)
J409 MBUSTX (UPP->UEM)
J
403 SLEEPX (UPP->UEM)
J
413 DBUSCLK (UPP->UEM)
J
405 UEMINT (UEM->UPP)
J
415 DBUSEN1X (UPP->UEM)
J
406 CBUSCLK (UPP->UEM)
J
411 FBUSTX (UPP->UEM)
J
412 FBUSRX (UEM->UPP)
J
410 MBUSRX (UEM->UPP)
J
386 SIMIODAO (UEM<>SIM)
VIO
VFLASH1 (C205)
VFLASH2 (C204)
VSIM (C203)
VR1A (C221)
VR2 (C223)
VANA (C206)
VCORE (C208)
VR3 (C227)
VR4 (C222)
VR5 (C226)
VR6 (C225)
VR7 (C224)
VrefRF01 (C231)
SleepClk crystal (C209,
RFCLK (R420, C420)
MICB1 (C152)
VLED+ (R307)
J153 CLK (UPP
-
>AUDIO
J152 ENB (UPP
-
>AUDIO