Samsung SGH-E530 - Page 7

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SGH-E530 Flow Chart of Troubleshooting
2-4
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2-1-2. Initial
Yes
Initial Failure
Yes
The pin #G11 of U401 = 1.5V
The pin #J12 of U401 = 2.825V
No
Check the U401
There is 32.768kHz at
the C216, C217
Yes
Yes
The pin#G6 of U401
is "High"
The voltage is "High" at
the C418,C419,C421,C443
Yes
Yes
LCD display is O.K
Yes
Sound is O.K
Yes
END
No
Check the Audio part
Check the LCD part
No
Check the U401
No
No
Check the U102
Check the U200
No
No
Check the U401
Is the pin #N10 of U401
"Low
→
High" ?