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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
3-6
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3-1-2. System Initial
Initial Failure
Check the Sleep X-tal
signal’s at C527
Check OSC501
YES
Check the clock generation part
relate to U503 and TCX800
Check the clock signal’s
at R508
LCD display OK ?
Check the LCD part
Check the pin #9 of U503
Voltage level is high ?
Check U503
END
Sound operation OK ?
Check the AUDIO part
NO
YES
YES
YES
YES
NO
NO
NO
NO