Chart Of Troubleshooting; Baseband; Power On - Samsung SGH-E570 Service Manual

3. Flow Chart of Troubleshooting

3-1. Baseband

3-1-1. Power ON

'Power ON' Does not work
Check the current consumption
Current consumption
≥ 100mA ?
Check the V bat. voltage
Voltage ≥ 3.3V ?
Check the pins of UCP101
C232 ≥ 1.6V ?
C213=2.9v, C214 = 2.9V?
Check the clock signal
at pin #19 of UCD600
Freq.=13MHz,Vrms ≥ 480mV
Check the Initial operation
YES
YES
YES
YES
YES
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
NO
NO
NO
HPEIO=1.8V?
YES
NO
3-1
Down load again
Charge the Battery
Check U205 and C232
NO
Check UCP201 and C217
Check the clock generation
circuit (OSC600)