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Flow Chart of Troubleshooting
C330 = 1.6V &
C331 = 1.8V ?
Check the clock signal
at pin #3 of TCX101
Freq. = 13MHz,
Vrms ≥ 300mV ?
C632* = 1.4V, TA602
= 2.8V, C603 = 2.7V?
Check the clock signal
at pin #1,3 of
OSC601
Freq. = 27MHz,
Vrms ≥ 300mV ?
Check the Initial operation
END
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YES
YES
YES
YES
SAMSUNG Proprietary-Contents may change without notice
NO
Check U306 & U307
NO
Check the clock generation
NO
Check U615, U611, U623
Check the clock generation
NO
*caution: In order to save current consumption,
C632 (AP_Core) voltage level is
1.4V when LCD On,
1.1V when LCD Off and cell phone sleep status.
10- 2
circuit
(TCX101, U104)
circuit
(TCX101, U104)
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