NOKIA trouble free download

File name trouble.pdf

3URJUDPPHV $IWHU 0DUNHW 6HUYLFHV 13%1% 6HULHV 7UDQVFHLYHUV 7URXEOHVKRRWLQJ ,VVXH )HE 1RNLD 0RELOH 3KRQHV /WG NPB-1NB Troubleshooting PAMS Technical Documentation 7DEOH RI &RQWHQWV 3DJH 1R Baseband Troubleshooting ...5 Baseband Testpoints ... 5 Power Schematic - Plots ...8 CPU Schematic - Plots ...9 Fault Finding Charts... 10 1. Phone is Dead ...10 2. Flash Programming Does Not Work ...10 3. Phone Stays On or is Jammed ...13 4. Display Information : "Contact Service" ...14 5. No Network Found, No Call Established ...16 6. Phone Not Registering to a Network ...17 7. Sim Related Errors ...18 8. Audio Faults ...20 9. Charging Error ...22 Baseband Plots ... 23 Plot1: RFC in Normal Operation ...23 Plot 2: Power Up with ACP-7U ...24 Plot 3: Power up with ACP-8U ...25 Plot 5: Power up with a power variable power supply ...27 Plot 6: Power up with Power switch (PWRONx) ...28 Plots 7,8,9,10: PCM Clock Tests ...29 RF Troubleshooting...