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afterdawn.com > forums > consoles > ps2 - hardware boot discussion > ba5815fm chip installation
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BA5815FM chip installation
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Adonis35
Newbie
_ 		27. August 2006 @ 10:02 _ Link to this message    Send private message to this user   
Does anyone know where i can find instructions on desoldering a blown BA5815FM chip and then soldering in a new one? I recently bought a new chip for my system since the old one died but i dont want to replace it without knowing what im doing.
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lilg_06
Senior Member
_ 		27. August 2006 @ 11:26 _ Link to this message    Send private message to this user   
The old chip will have to be desoldered by using a surface mount desolderer, which is quite expensive, a simple way, is get a pin, heat one pin at a time, and lift it using the pin, leave the 2 middle connections on the motherboard till the last, first lift all the small legs, then heat one of the big legs, and gently lift it up on one side, not too much, then the otherside, and you should have it off. Dont pull the pins because the pads will break of the motherboard.
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Adonis35
Newbie
_ 		27. August 2006 @ 14:55 _ Link to this message    Send private message to this user   
thanks a lot for the info, but do you know where i could find pictures on how to do this or step by step instructions?
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Adonis35
Newbie
_ 		28. August 2006 @ 23:14 _ Link to this message    Send private message to this user   
anybody know?
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lilg_06
Senior Member
_ 		29. August 2006 @ 03:35 _ Link to this message    Send private message to this user   
I dont know where any pics or instruction are, but it should be quite simple. Just requires patience.
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This message has been edited since posting. Last time this message was edited on 29. August 2006 @ 03:36
viriiguy
Newbie
_ 		30. August 2006 @ 07:57 _ Link to this message    Send private message to this user   
I have a V7 Playstation in my hands, that the Worm Gear is no longer turning. I have disassembeled the unti completely, and I see no blown fuse. Is it likely that this chip is the cause? Or is it more likely that the worm gear stepper motor is the culprit?

Is there anyway I can test the motor to be certain it is the problem?

Thank you,
ViriiGuy

PS. I should add that while the laser body does not move, the laser itself does move up and down and it does light up. It just no longer tracks back and forth.
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This message has been edited since posting. Last time this message was edited on 30. August 2006 @ 08:00
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lilg_06
Senior Member
_ 		31. August 2006 @ 02:43 _ Link to this message    Send private message to this user   
Give some power to the motor from its terminals, maybe 5v, and check if it spins, if not it could be finished.
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