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Flow Chart of Troubleshooting
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9-12
9-7. Key Data Input
When any key input is
given,
is there something on LCD
(display)?
Check the Dome sheet & Key Pad
END
No
Yes
Yes
Check Initial Operation
When one of the keys is
pushed,
KBIO signal is OK?
Replace the PBA
No
Yes
Summary of Contents for SGH-E380
Page 32: ...8 PCB Diagrams 8 1 Top ...
Page 33: ...PCB Diagrams 8 2 Bottom ...