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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-1-2. System Initial
The pin #9 of U501
" Low --> High" ?
Check the Sleep X-tal signal's
Check the clock signal's
LCD Display OK ?
Sound operation OK ?
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Initial Failure
YES
at C513 ?
YES
at R507
YES
YES
YES
END
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NO
NO
Check the clock generation
NO
circuit (related to U501 and
NO
NO
2- 4
Check the U501
Check the OSC500
TCX800)
Check the LCD part
Check the Audio part
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