Display/Keyboard Lights Do Not Work; Fig 11 Fault Tree, Display/Keyboard Lights - Nokia NPM-2NX Troubleshooting Manual

NPM-2NX
Troubleshooting

Display/Keyboard lights do not work

Check R300 (Display) and
(Display) and V304...V309
Page 22
Fault tree, Display/Keyboard lights
Figure 11:
Display/Keyboard
lights are not working
R301 (Keyboard)
OK
Check LEDs
V300...V303,V310-V311
(Keyboard)
OK
Use Display Test in
Phoenix to set lights
ON/OFF
ãNokia Corporation
CCS Technical Documentation
Replace
FAIL
resistor(s)
Replace
FAIL
LED(s)
Replace UEM
FAIL
Issue 1 07/02