Samsung GT-i9001 Service Manual page 37

Level 3 Repair
8-3-2. Initial
nON_SW(L400)
="High → Low"
and PON_RESET_N_PMIC(D400)
= "Low → High"?
There is 32.768KHz wave forms
R517 >= 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
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Check U501 (crack, open, etc)
(if U807 has some problem, it is to be replaced)
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)
8-8
Replace OSC501
etc)
Replace OSC500