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Flow Chart of Troubleshooting
10-3
This Document can not be used without Samsung's authorization
10-1-2. Initial
Initial Failure
The pin #A6 of UCD300 =
1.8V and
the pin #D6 of UCD300 =
2.9V ?
Check the
UCD300
(if it has some problem, it is to be replaced.)
Yes
No
Is the pin #P5 of UCD300
"Low
→
High" ?
Yes
No
Check the
UCD300
(if it has some problem, it is to be replaced.)
There is 32.768kHz wave
forms at the C325 and C326
Yes
No
Check the
UCD300
The voltage is "High" at the
C311,C312,C317,C318
Check the
UCD300
LCD display is O.K
No
Yes
Yes
Check the LCD part
No
Sound is O.K
Yes
No
Check the Audio part
END
Yes