![background image](http://html.mh-extra.com/html/samsung/sgh-z130/sgh-z130_service-manual_1190232004.webp)
SAMSUNG Proprietary-Contents may change without notice
2-
1
This Document can not be used without Samsung's authorization
2. SGH-Z130 Flow Chart of Troubleshooting
2-1.Baseband
2-1-1. Power ON
Current consumption
≥
100mA ?
Check the current consumption
Download again
'Power ON' Does not work
Check Voltage
≥
3.3V ?
The pin #3 of D500
is high ?
END
Charge the Battery
Check the U500
Check the path of
D500 and U500
Check D500
NO
NO
NO
NO
NO
YES
YES
YES
YES
NO
check the OSC801
The pin #3,5 of U500
≥
3.3V ?
Check U500
pin #32
≒
1.37V ?
pin #36
≒
1.8V ?
pin #50,56
≒
2.6V ?
pin #84
≒
2.85V ?
YES
U500 Check
Pin #53
≒
19.2MHz?
Vpp
≥
500mV?
YES
Check the initial operation