Samsung SGH-E330N Service Manual page 30

Flow Chart of Troubleshooting
7-2. Initial
R200 (RSTON) = " H " ?
Is U304 pin 4, 6
(memory CE) OK ?
Check the circuit around
LCD & U304 (Short or not solder)
Initial Failure
Y e s
Y e s
Y e s
Y e s
END
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No
Check the circuit related to reset
No
7- 4
Check the U304