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Level 3 Repair
8-7
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8-3-2. Initial
The pin #A3, B3 of U301 = swing
property 1.8V and 0V? The pin
A1, B1 of U301 = swing property
2.8V and 0V?
Initial Failure
Check U301 and U601 and related parts
(short, crack, etc.)
END
No
Yes
AP_PS_HOLD(U700_pin #D6)
and AP_N_RST_IN(R706) = "low
-> high"?
Yes
Check U700(crack, open, etc.)
(if U700 has some problem, it is to be replaced)
Yes
No
There is 32.768KHz wave forms
at OSC300(C338) and
OSC700(C740)
Replace OSC 300 and OSC700
R339 >= 1.8V?
Check U601 and related parts(short, crack, etc.)
(if U601 has some problem, it is to be replaced)
Replace OSC600 and OSC100
There are 24MHz wave forms at
OSC600(C621) and 26MHz wave
forms at OSC100(C128)
LCD display OK?
Sound is OK?
Check the LCD part(short, crack, etc.)
Check the Audio Part(short, crack, etc.)
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Summary of Contents for Galaxy Tab GT-P1000
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