Nokia 5140 Manuales De Servicio

NPL-4/5

Company confidential 

Troubleshooting Instructions

Nokia Customer Care

Page 64

Copyright © 2004 Nokia Corporation. All rights reserved.

Issue 1 05/04

Check L260-265,

 L206, C260-265, 

C283, C295

Phone is jammed

Measure VIO, VCORE, 

VFLASH1, VANA, 

VR3 voltages.
Are they OK ?

Measure 32kHz

SleepClk from testpoint J404.

Is it OK ?

Measure 26MHz 

 RFClk from R420.

Is it OK ?

Measure PURX signal

 from testpoint J402.

Is it HIGH (1.8V) ?

Measure 26MHz

RFCLK from G501 out.

Is it OK ?

Measure 32kHz

SleepClkfrom B200. 

Is it OK ?

Check VBATT1-7 

VIO,VCORE,VFLASH1,VANA,

VR3 lines.

Are they OK ?

Phone is 

jammed 

2

Check  BSI/BTEMP 

lines. If OK, change 

UEMEk

Check B200,C209,

C210

Change UEMEk

Check C574, 

R520,C540.

If OK  change G501

Check R420, C420.

If OK change N500

Change UEMEk

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes