Service manual

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Flow Chart of Troubleshooting
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10-4
10-1-2. Initial
The voltage at the C315=1.8V?
The voltage at the C318=2.8V?
Initial Failure
The voltage at the V201
"Low --> High" ?
There is 32.768KHz wave
form at the C214, C215 ?
The voltage is 2.8V
at the C316,C317,C318 ?
LCD Display OK ?
Sound operation OK ?
END
Check the U201
Check the U302
Check the LCD part
Check the Audio part
YES
NO
NO
NO
YES
YES
YES
YES
NO
NO
NO
YES
Check the U302
(If it has some problem,
it has to be replaced.)
Check the U302
(If it has some problem,
it has to be replaced.)