Sensors Troubleshooting - Nokia NHL-2NA Series Troubleshooting Instructions

CCS Technical Documentation

Sensors troubleshooting

This part of document is written to help troubleshooting for proximity sensor and ambi-
ent light sensor in NHL-2NA. Both of them are calibrated in production, in FINUI tester.
AMS has possibility to calibrate proximity sensor at service points, ambient light sensor
is repaired in Bochum.
This document is ment to be used only in troubleshooting and does not provide informa-
tion on basic functionality of the systems. Basic operating principle can be found in
chapter "System Module LG4 and Grip Module LS4", calibration instructions can be
found in chapter "Service Software Instructions".
Issue 1 07/02 ¤Nokia Corporation
NHL-2NA
Page 25