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3. USB PART
Something wrong with the USB?
Only "NO USB" or "USB CHECK" Display?
Checked the USB Vdd?
Checked the USB interface IC Ground?
Checked the USB interface IC reset?
Checked the USB interface IC X-tal?
Checked the D+/D Port?
Checked the USB indication Port?
Checked the USB interface IC control?
OK
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Only for training and service purposes
YES
YES
YES
YES
YES
YES
Fig 13
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
2-7
IC711(8,18,39)
IC711(5,19,40)
PN703(5)
X701
IC711(38,37)
PN703(4)
IC711(9,10,11,14)
LGE Internal Use Only
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