Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!bionet!ames!amdcad!diablo!phil From: phil@diablo.amd.com (Phil Ngai) Newsgroups: sci.electronics Subject: Re: Surface-mount chips Message-ID: <25991@amdcad.AMD.COM> Date: 16 Jun 89 17:47:24 GMT References: <465@sdcc15.ucsd.edu> Sender: news@amdcad.AMD.COM Reply-To: phil@diablo.AMD.COM (Phil Ngai) Distribution: usa Organization: Advanced Micro Devices, Inc. Sunnyvale CA Lines: 19 In article <465@sdcc15.ucsd.edu> bebrown@ucsd (Barry Brown) writes: |I have a 20 meg hard drive whose only flaw is a shot 7406D surface-mount |chip. It seems that the only way to cheaply salvage this drive is to |desolder the chip and replace it myself. The PCB is four-layer (two on each Just get some sharp cutters and cut the legs off the device. Then you can unsolder each lead individually. Clean it off with solder wick and solder a new chip in. I'm assuming the device is a SO type of package (gull wing) and not a J-lead type. |side). Besides telling me I'm stupid to try this (I already know that), can |anyone give me advice on how to do it? Pointers to a mail-order distributer |that stocks SMDs would be great, too. Sorry, I don't know about this. Digi-Key has surface mount resistors and capacitors but doesn't seem to have many surface mount ICs. -- Phil Ngai, phil@diablo.amd.com {uunet,decwrl,ucbvax}!amdcad!phil "The government is not your mother."