STEPS IN NOKIA MOTOROLA SEVICING

by barkkathulla 2012-09-20 16:57:47

<font color=#00004D>MODEL:MOTOROLA-V988/V8088</font>

S.NO PLACE FAULTS
1 NETWORK ANTENNA,ANTENNA SWITCH,RF POWER AMP,FDK,13 MHZ
2 NO NETWORK FOUND FDK,13MHZ PFO U102&U7038-109B,CPU(U 201)
3 NOACCESS 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(141000S), 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,SIM CARD SOCKET,SIM CONTACTS,TRACK,EEPROM ,FLASH PROGRAM IS CURRUPT
11 KEY CLEAN&CHECK KEYPAD CONNECTOR, KEYPAD &ITS TRACKS
12 LED CHECK LED BY MULTIMETER &REPLACE WITH SAME COLOR LED

MODEL: ERICSSION-T28

S.NO PLACE FAULTS
1 NETWORK ANTENNA,ANTENNA SWITCH,RF POWER AMP,FDK,13 MHZ
2 NO NETWORK FOUND FDK,13MHZ PFO,CPU
3 NOACCESS 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(U 900), 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,SIM CARD SOCKET,SIM CONTACTS,TRACK,EEPROM ,FLASH PROGRAM IS CURRUPT,SIM CARD SUPPLY TRANSISTOR U902
11 KEY CLEAN&CHECK KEYPAD CONNECTOR, KEYPAD &ITS TRACKS
12 LED CHECK LED BY MULTIMETER &REPLACE WITH SAME COLOR LED

MODEL:ERICSSION-T18/T 10

S.NO PLACE FAULTS
1 NETWORK ANTENNA,ANTENNA SWITCH,RF POWER AMP,FDK,13 MHZ
2 NO NETWORK FOUND FDK,TX,VCO 1800MHZ,2ND FILTER,CPU
3 NOACCESS 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(141000S), 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,SIM CARD SOCKET,SIM CONTACTS,TRACK,EEPROM ,FLASH PROGRAM IS CURRUPT,SIM CARD IC
11 KEY CLEAN&CHECK KEYPAD CONNECTOR, KEYPAD &ITS TRACKS
12 LED CHECK LED BY MULTIMETER &REPLACE WITH SAME COLOR LED
461
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