Flash Programming Does Not Work; Fig 4 Fault Tree, Phone Does Not Power Up - Nokia NPM-2NX Troubleshooting Manual

CCS Technical Documentation
Check 13MHz /GSM
or 19.44/TDMA
RF-clock from C420
OK
Check that purx
goes up to 1.8V
OK
Measure J406.
1.08
MHz/TDMA
and
1.00MHz/GSM
OK
Change UPP
(D400)

Flash Programming does not work

Flash programming procedure
• Phone communicates with prommer via production test pattern, using signals:
Issue 1 07/02
Figure 4: Fault tree, phone does not power up
Try to start phone to
test or local mode
FAIL
Measure
Vflash1,Vana,Vio,Vcore
OK
,VR3 when pwr key
pressed
VR3
missing
Check G801
(missing,
misaligned)
Check
FAIL
C420
OK
Check 19.2MHz
from G801
OK
See RF
troubleshooting
FAIL
FAIL
Re-flash phone
Programmng ok,
but phone doesn't
start
ãNokia Corporation
OK
Check R202,
R203,
C217, C220
FAIL
X101,C108,
OK
Measure VBAT
Check
FAIL
R816,C867,C8
66, R817, C868
OK
Change
G801
Change the
UEM (D200)
Programming
fails
Go to flash failure
chart
NPM-2NX
Troubleshooting
Check the
power key
OK
R205,
OK
Check
C109,Z101
FAIL
from C262
OK
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