reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby Ruimzien » Sat May 10, 2014 3:01 pm

Thanks for the excellent tutorial.
I just bought the same T-8280 preheater (second hand). I already own a ZD-939L ESD from Zhongdi that works great for surface SMD repair.
I'm going to use your tutorial now for repairing my first XBox.

Best regards, Albert
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby JimGR » Sun May 11, 2014 9:08 am

Again I can't help you enough for your valuable information you share! I have 2 problems though after using this setup for 2 years now.
One is that I am experiencing a lot of board warping/bending using T-8280 preheater and can't reattach correct the chip due to not getting proper solder contact on mobo!
and two my thermocouple almost always unsticks using Kapton and Aluminum tape from heat and flux. Maybe a magnetic thermocouple will solve this problem.
Any suggestions, please?
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby BGA Rework Store » Sun May 11, 2014 10:05 am

Couple of suggestions for you ....
1 board support jigs . Works wonders on t8280
2 ts1 thermocouple ..
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby we3dm4n » Sun May 11, 2014 10:27 am

1. JIGs dont prevent you from boardwarping because of uneven heat - so pls test your heaters whether they are OK or not
2. just buy goosenecks and tape your tcs at them or lead them inside

Why do you use aluminium tape at hot air? alu tape is only really useful if youre using IR because it reflects the IR but NOT the hot air.
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby BGA Rework Store » Sun May 11, 2014 10:35 am

I suggested jigs first because we don't know if he is using them. He stated alu tape as well I suggested the ts1 because he asked about a magnetic thermocouple
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby we3dm4n » Sun May 11, 2014 11:05 am

Just seems that this is an overall problem here - All those help seekers do not give the necessary information :D
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby BGA Rework Store » Sun May 11, 2014 11:30 am

we3dm4n wrote:Just seems that this is an overall problem here - All those help seekers do not give the necessary information :D


Agree 100 % :+1:
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby JimGR » Sun May 11, 2014 12:45 pm

I am not using a jig because I can't find or make one to support most of the laptops motherboards I am currently working on. I found only a jig that fits PS3 motherboards (boy they have issues regarding warping, very thin mobo). My plates are fine although I have noticed that the top plate is a little hotter than the bottom one but I am trying to fit the motherboard on top mostly. I was using an industrial aluminum tape cause it sticks better but it leaves some residue and when heated, it is vulnerable on moving from the PCB...
I had a look at an expensive scotle rework station and has these stand where you can screw the motherboard... I think in the end you get what you pay...!
I am sorry for not providing more info earlier!
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby BGA Rework Store » Sun May 11, 2014 1:16 pm

Cant find a jig ?

here you go http://www.bgareworkstation.co.uk/BGA-R ... e_XY_Table no need for any jigs ever again this will accommodate any motherboard you use you don't need to buy the station to get the stand


as for the tc http://www.bgareworkstation.co.uk/Scotle_TS1_TC_Holder if your keen i could get them shipped together
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Re: reflow/reball guide Pu-Hui t8280 preheater and ayoue 968

Postby JimGR » Sun May 11, 2014 3:23 pm

Yeah but will this jig be compatible with T-8280 rails? Hmm must be the same size but I need confirmation please! It is a little pricey but it a good quality one and supports all the mobos...
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