Sharp SGH-C130 - Manual (Page 39)

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Flow Chart of Troubleshooting
10-5
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10-1-2. Initial
Initial Failure
The pin #G11 of U107 =
1.8V and
the pin #J12 of U107 =
2.8V ?
Check the U107
(if it has some problem, it is to be replaced.)
Yes
No
Is the pin #K9 of U107
"Low → High" ?
Yes
No
Check the U107
(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 UCP201
Is the pin #A4 of U107
is "High"
The voltage is "High" at
the C170,C172,C173
Check the U107
Check the UCP201
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
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