User Guide

PAMS Technical Documentation Troubleshooting Instructions
NHM-8NX
Issue 1 05/02 ãNokia Corporation Page 5
Baseband Troubleshooting
Baseband Testpoints
Baseband testpoint PWB Placement
Fault Finding Charts
In this section, fault finding charts are provided for the most common NHM-8NX errors.
NOTE : Since both D200 (UEM) and D400(UPP) is underfilled, they can not be
replaced. If either D200 or D400 is defective, the whole PWB has to be dis-
J416
EXTWRX
-
J419
FLSCLK
-
J420
FLSCSX
-
J417
EXTRDX
-
J418
FLS2CSX
-
J414
DBUSDA
-
J402
PURX
-
J413
DBUSEN1X
-
J404
SLEEPCLK
-
J408
CBUSENX
-
J406
CBUSCLK
-
J407
CBUSDA
-
J412
FBUSRX
R161/1
EARP
PRODTP3
FBUS RX
PRODTP2
FBUS TX
PRODTP7
MBUS
PRODTP6
VPP
C205
VFLASH1
R183/2
HF
C157
HEADINT
6
SIM I/O
R310
KLIGHT
C100
VCHARIN
C206
VANA
J410
MBUSRX
3
VSIM
2
RST
1
CLK
J150
HOOKINT
C227
VR3
C224
VR7
C208
VCORE
C222
VR4
C223
VR2
R306
DLIGHT
C230
VREFRF02
C231
VREFRF01
C225
VR6
J403
SLEEPX
J425
RFCLK
C156
MIC2P
C155
MIC2N
J413
DBUSCLK
R166
MICB2
R161/2
EARN
R164
MIC1N
C218
VIO
J405
UEMINT
J411
FBUSTX
R183/1
HFCM
J409
MBUSTX
4
GND
R164
MIC1P
R165
MICB1
C226
VR5