Flow Chart of Troubleshooting
10-1-2. Initial
Initial Failure
Yes
The pin #G11 of U107 =
1.8V and
the pin #J12 of U107 =
2.8V ?
Yes
Is the pin #K9 of U107 "Low → High" ?
Yes
There is 32.768kHz wave forms at the C216 and C217
Yes
Is the pin #A4 of U107 is "High"
Yes
The voltage is "High" at
the C170,C172,C173
Yes
LCD display is O.K
Yes
Sound is O.K
Yes
END
No
No
No
No
No
No
No
Check the U107 | ① |
(if it has some problem, it is to be replaced.) |
|
|
|
Check the U107 | ① |
(if it has some problem, it is to be replaced.) |
|
|
|
Check the UCP201 | ② |
|
|
Check the UCP201 | ③ |
|
|
Check the U107 | ④ |
|
|
Check the LCD part
Check the Audio part
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