Initial Failure - Samsung GT-I8150 Service Manual

Level 3 Repair
8-3-2. Initial
nON_SW(R463)
="High → Low"
and PON_RESET_N_PMIC(D400)
= "Low → High"?
There is 32.768KHz wave forms
R520>= 1.8V?
There are 19.2MHz wave forms
LCD display OK?
Sound is OK?

Initial Failure

Yes
Yes
at OSC501
Yes
Yes
at OSC500
Yes
Yes
Yes
END
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No
Check U502 (crack, open, etc)
No
No
Check UCP400 and related parts (short, crack,
No
No
Check the LCD part (short, crack, etc)
No
Check the Audio Part (short, crack, etc)
8-12
Replace OSC501
etc)
Replace OSC500