NOKIA PHONE COMMON FAULT ANALYSIS

by barkkathulla 2012-09-20 16:54:33

<font size=6><font color=#55004D>MODEL:NOKIA-3210
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S.NO PLACE FAULTS
1 NETWORK ANTENNA, ANTENNA SWITCH,PFO,SECOND LOCAL OSC,VCO FDX 13MHZ

2 NO NETWORK FOUND
SECOND LOCAL OSC ,VCO,13 MHZ,PFO CPU

3 NO DISPLAY
DISPLAY CONNECTOR,TRACK OPEN, DISPLAY FAULT

4 SET DEAD BATTERY,BATTERY CONNECTOR,POWER IC,CPU,CONNECTOR

5 NO ACCESS ANTENNA, ANTENNA SWITCH,PCO
6 GETS OFF NETWORK
BATTERY LOOSE,BATTERY FAULTY, BATTERY CONNECTOR
7 CHARGING PROBLEM
CHARGER,SOCKET,PFO,POWER IC,CAPACITOR CONNECTED TO CPU AND SYSTEM

8 DIALING PROBLEM
KEYPAD AND ITS TRACK DIALLAR IC,CPUAND ITS TRACKS
9 RINGER
RINGER/BUZZER,RINGER IC

10 SIM CARD
SIM CARD,SIM CARD SOCKET,SOCKET CONTACTS,TRACK,EEPROM,FLASH PROGRAM IS CORRUPT,SIM CARD SUPPLY TRANSISTOR U209.

11 KEY CLEAN AND CHECK KEYPAD CONNECTOR,KEYPAD AND ITS TRACKS AND LED INTERFACE IC U206 FAULTY(NMP 70433)
12 LED CHECK LED BY MULTIMETER AND REPLACE WITH SAME COLOUR LED






MODEL:NOKIA 3310/315/3330

S.NO PLACE FAULTS
1 NETWORK ANTENNA,ANTENNA SWITCH,PFO/RF POWER AMP,FDK,1ST OSC,VCO,26 MHZ CLOCK CRYSTAL OSC.
2 NO NETWORK FOUND FDK,26 MHZ,PFO,CPU
3 NO ACCESS ANTENNA,ANTENNA SWITCH,PFO
4 SET DEAD BATTERY,BATTERY CONNECTOR,POWER IC,CPU CONNECTOR
5 NO DISPLAY DISPLAY CONNECTOR,TRACK OPEN, DISPLAY FAULTY
6 GETS OFF NETWORK BATTERY LOOSE, BATTERY FAULTY, BATTERY CONNECTOR
7 CHARGING PROBLEM CHARGER,SOCKET,PFO,POWER IC, CAPACITOR CONNECTED TO CPU&FLASH
8 DIALING PROBLEM KEYPAD AND ITS TRACK DIALER IC AND CPU ITS TRACK
9 RINGER RINGER/BUZZER,RINGER IC
10 SIM CARD SIM CARD SOCKET,SIM,SOCKET CONTACTS,TRACK,EEPROM,FLASH PROGRAM IS CORRUPT
11 KEY CLEAN AND CHECK KEYPAD CONNECTOR,.KEYPAD AND ITS TRACK
12 LED CHECK LED BY MULTIMETER &REPLACE WITH SAME COLOR LED, CHECK POWER &LIGHT IC
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