User Guide

NPL-4/5 Company confidential
Troubleshooting Instructions Nokia Customer Care
Page 86 Copyright © 2004 Nokia Corporation. All rights reserved. Issue 1 05/04
FCI troubleshooting
FCI fault
Open phone
MJ-9:
1. Set phone into "test mode"
2. Push FCI interrupt button
3. Immediately <1s after pushing FCI
interrupt button read pinstates Vout
(high), SCL (high), SDA (high) and
FCINT (low)?
4. After FCI interrupt button has released
>3s read pinstates Vout (low), SCL (low),
SDA (low) and FCINT (high)?
YES
Change FCI
ASIP (Z301)
Retest
OK?
NO
YES
MJ-9: Phoenix:
1. Open window "testing/FCI test"
2.Select Misc folder
3. Disable FCInt
4. Select folder "Pin state"
Write pinstate Vout=high. Measure
Vout voltage (~Vbat-0.2V) from
E320?
MJ-9: Phoenix:
Write SDA=SCL= high
Read pinstates and measure
voltage level from E320 SDA=SCL
(high, 1.8V)
Write SDA=SCL= low
Read pinstates and measure
voltage level from E320 SDA=SCL
(low, 0V)?
YES
Change ASIP
(Z301)
Retest
OK?
NO
Change UPP
(D400)
Retest
OK?
NO
Change UPP
(D400)
NO
Retest
OK?
YES
END
YES
END
YES
END
YES
End
YES
Retest
OK?
END
Check that FCI related components are
placed correctly(Z301, L310, L311, L312,
L313, C330, C331).
Check also that X301 connector springs
no. 16,17,18,19,20 are OK?
Correct failures
YES
Try to change
UI-module
Retest
OK?
END
YES
NO