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Flow Chart of Troubleshooting
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10-
4
10-1-2. Initial
The voltage at the C115=1.8V?
The voltage at the C112=2.8V?
Initial Failure
The voltage at the C209
"Low --> High" ?
There is 32.768KHz wave
form at the C219, C220 ?
The voltage is 2.8V
at the C116,C119,C117 ?
LCD Display OK ?
Sound operation OK ?
END
Check the UCP203
Check the U402
Check the LCD part
Check the Audio part
YES
NO
NO
NO
YES
YES
YES
YES
NO
NO
NO
YES
Check the T_U402
(If it has some problem,
it has to be replaced.)
Check the T_U402
(If it has some problem,
it has to be replaced.)