Samsung SGH-i200 Service Manual page 22

Flow Chart of Troubleshooting and Circuit Diagrams
10-1-2. System Initial
Initial Failure Initial Failure
Yes Yes
[INI T_PWR] signal [INI T_PWR] signal
high high
Yes Yes
TP700 [ RST_IN_N] TP700 [ RST_IN_N]
high high
Yes Yes
RTC clock RTC clock
32.768Khz 32.768Khz
Yes Yes
Main clock Main clock
19.2Mhz 19.2Mhz
Yes Yes
Memory Operation. Memory Operation.
TP710 = 133MHz TP710 = 133MHz
change the B'd change the B'd
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Prob lem_#1 Prob lem_#1
Check the U805 Check the U805
No No
Prob lem_#2 Prob lem_#2
Check the UCP700 Check the UCP700
No No
Prob lem_#3 Prob lem_#3
Check the OSC800 Check the OSC800
No No
Prob lem_#4 Prob lem_#4
Check the OSC700 Check the OSC700
No No
Prob lem_#5 Prob lem_#5
Check the UCP700 Check the UCP700
No No
10-6