Initial; Initial Failure - Samsung GT-P1000 Servise Manual

8-3-2. Initial

Initial Failure

The pin #A3, B3 of U301 = swing
property 1.8V and 0V? The pin
A1, B1 of U301 = swing property
2.8V and 0V?
AP_PS_HOLD(U700_pin #D6)
and AP_N_RST_IN(R706) = "low
There is 32.768KHz wave forms
at OSC300(C338) and
OSC700(C740)
R339 >= 1.8V?
There are 24MHz wave forms at
OSC600(C621) and 26MHz wave
forms at OSC100(C128)
LCD display OK?
Sound is OK?
Yes
Yes
-> high"?
Yes
Yes
Yes
Yes
Yes
Yes
END
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No
Check U301 and U601 and related parts
No
Check U700(crack, open, etc.)
(if U700 has some problem, it is to be replaced)
No
Replace OSC 300 and OSC700
No
Check U601 and related parts(short, crack, etc.)
(if U601 has some problem, it is to be replaced)
No
Replace OSC600 and OSC100
No
Check the LCD part(short, crack, etc.)
No
Check the Audio Part(short, crack, etc.)
8-7
Level 3 Repair
(short, crack, etc.)