Initial - Samsung SGH-M600 Manual

3-1-2. Initial

Initial Failure
The pin #G11 of UCP300 =
1.8V and
the pin #J12 of UCP300 =
2.8V ?
Is the pin #K9 of UCP300
"Low → High" ?
There is 32.768kHz wave
forms at the C237 and C238
Is the pin #G4 of UCP201
is "High"
The voltage is "High" at the
C316,C317,C318
LCD display is O.K
Sound is O.K
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
END
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No
Check the
(if it has some problem, it is to be replaced.)
No
Check the
(if it has some problem, it is to be replaced.)
No
Check the
No
Check the
No
Check the
No
Check the LCD part
No
Check the Audio part
3-4
Flow Chart of Troubleshooting
UCP300
UCP300
UCP201
UCP201
UCP300