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Flow Chart of Troubleshooting
10-3
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10-1-2.
Initial
Initial Failure
The pin
#
A6 of UCD3
00 =
1.8V
and
the pin
#
D6 of
U
CD3
00 =
2.9V ?
Check the UCD300
(
if it has some problem, it is to be replaced.)
Yes
No
Is the pin
#
P5 of UCD300
"
Low
→
High"
?
Yes
No
Check the UCD300
(
if it has some problem, it is to be replaced.)
There is
32.768
kHz wave
forms at the
C325
and
C326
Yes
No
Check the UCD300
The voltage is
"
High" at the
C311,
C312,C317,C318
Check the UCD300
LCD display is O.K
No
Yes
Yes
Check the LCD part
No
Sound is O.K
Yes
No
Check the Audio part
END
Yes
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