Table of Contents
Advertisement
3. Chart of Troubleshooting
3-1.Baseband
3-1-1. Power ON
'Power ON' does not work
Check the current consumtion
Check current consumtion
I ≥ 100 mA ?
YES
Check the battery voltage
V ≥ 3.3 V ?
YES
Check TP103.
Voltage Level is high ?
YES
Check U504.
V (pin #4) ≥ 3.3 V ?
YES
Check U503.
V (pin #32) ≒ 1.375 V ?
V (pin #36) ≒ 1.800 V ?
V (pin #50) ≒ 2.600 V ?
V (pin #56) ≒ 2.600 V ?
V (pin #84) ≒ 2.850 V ?
YES
Check the pin #53 of U503.
Freq ≒ 19.2 MHz ?
Vpp ≒ 600 mV ?
YES
Check the LCD module
YES
END
NO
Download again
Charge the Battery
Check D502
Check the path of U505 and U504
Check U503
Check TCX800
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
3-1
Advertisement
Table of Contents
