Asic Is Changed; Test Points - Nokia NEM-4 Series Troubleshooting Instructions

CCS Technical Documentation
These symptoms lead to relevant part of energy management Troubleshooting
Problems related to UI:
"Keypad is not working"
"Backlight is dim"
"Backlight not even"
"Backlight is blinking"
"Keypad or display backlight is not working"
"Display related problems"
"Rocker is not working"
Most common RF related symptoms:
"Call cannot be made"
"Phone does not find signal"
"Call is often dropped"
See RF Troubleshooting.

ASIC is changed

ASIC's can be changed only at a defined service level.
UEM changed
If UEM is changed baseband calibrations should be made. New IMEI must be pro-
grammed also. ZOCUS calibration is not necessary.
UPP_WD2 changed
IMEI must be reprogrammed.
ZOCUS changed
Zocus must be re-calibrated

Test points

Test
Point
J128
J129
J904
J900
J901
J903
J218
J004
Issue 1 09/2003
Company Confidential
Table 1: Test points in Baseband area (F6)
Signal description
GPIO1 (WD2->ADSP)
GPIO0 (ADSP->WD2)
VCOREA enable (N261 EN, UEMRST)
VHPA enable (N266 EN, GENIO14)
VAUD (N265 EN, GENIO25)
VAUX2 enable (N264 EN, GENIO16)
GENTest0
N330 (Boomer) _SHUTDOWN (from WD2 GENIO8)
Copyright  2003 Nokia Corporation
Company Confidential
NEM-4
BB Troubleshooting
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