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Flow Chart of Troubleshooting
3-5
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3-1-2. Initial
Initial Failure
The pin #G11 of UCP100 =
1.8V and
the pin #J12 of UCP100 =
2.8V ?
Check the
UCP100
(if it has some problem, it is to be replaced.)
Yes
No
Is the pin #K9 of UCP100
"Low
→
High" ?
Yes
No
Check the
UCP100
(if it has some problem, it is to be replaced.)
There is 32.768kHz wave
forms at the C216 and C217
Yes
No
Check the
UCP200
Is the pin #A4 of UCP100
is "High"
The voltage is "High" at the
C112,C114,C115
Check the
UCP100
Check the
UCP200
LCD display is O.K
No
No
Yes
Yes
Yes
Check the LCD part
No
Sound is O.K
Yes
No
Check the Audio part
END
Yes