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    Where to find ASD 3S156 and the latest

    Does anyone know where to download teh ASD S3156 and te latest testfiles for Apple. It can be paid or free version is welcome. I have to test MacBook Air from mid-2013, which have a high fan spin
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    A1369 have 3 beeps how to diagnose?

    I do not have scrap boards do you know where to buy?
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    A1369 have 3 beeps how to diagnose?

    One morething suggestion where to buy those RAM modules
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    A1369 have 3 beeps how to diagnose?

    ok tanks for your help for now
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    A1369 have 3 beeps how to diagnose?

    I have heaten the CPU according your advice, but no luck. It is still beeping 3 times. Is there a way to measure which RAM is defective?. Or do I have to measure something else before start replacing the RAM modules.
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    A1369 have 3 beeps how to diagnose?

    Do i need to remove the glue at the corners of the CPU?
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    A1369 have 3 beeps how to diagnose?

    I found some liquid damage on the u6100, also on pin8 of the u3690 and some green corrosion on testpoint tp[1] DP_A_BIAS could this be the problem?
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    A1369 have 3 beeps how to diagnose?

    Hi I am new to this forum. I am from the Netherlands, and a very newbee in repairing on motherboard level. This is my problem I have three beeps on startup and no screen. I have already reflow the memory modules, without success Is there a way to find out which memory module is may be faulty...
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