Thanks guys for your responses. I checked for chipped paint in the cavity and didn't find any. The filter sheet had all manner of nasty food residue on it so I cleaned it up - looks fine now. I did not check the door switches because they are on the primary side of the transformer because I can't see how they could cause the HV diode on the secondary to short. I boiled a couple gallons of water over the afternoon and it's still working fine so I'm shipping it... Joel Jacobs Ohio Consumer Electronics Pickerington Ohio 43147 614-833-9696 ----- Original Message ----- From: <hartstv@xxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Wednesday, July 02, 2003 12:47 PM Subject: [TechAssist] Re: Microwaves 101 > Joel,It ''MAY'' be the HV cap,but first I would check or replace your door > switches.Also if this unit has a cavity filter,normally located inside the > oven's side panel,check it for an arc mark or discoloration.They can be > easily replaced.Most parts suppliers carry it by the sheet & cut it to your > required size............. > Don of HARTS-TVCR-ASC > 9 Robert St,Oromocto,NB,Canada,E2V3N2 > Tel-506-357-9785,Fax-506-357-6010 > hartstv@xxxxxxxxxxx > > > > ----- Original Message ----- > From: "Joel Jacobs" <jj@xxxxxxxxxx> > To: "TechAssist" <techassist@xxxxxxxxxxxxx> > Sent: Wednesday, July 02, 2003 1:14 PM > Subject: [TechAssist] Microwaves 101 > > > > Hi techs, > > I don't usually work on microwaves but a good customer brought one in that > > was a built-in model and I ended up working on it. I found the HV diode > was > > shorted. I replaced it and all seemed well so shipped it. About one > month > > later it's back with the same shorted HV diode:( > > Not knowing what else to do I replaced the diode and the magnetron too. > > The oven seems to be working but I notice a bit of static intermittently > on > > a TV in the room when the micro is running. I'm wondering if there is > still > > some problem that's going to bite me in the ass again if I ship it. I > guess > > the HV cap could have a fault that could blow the diode. Do these go bad? > > Any suggestions? > > Thanks! > > Joel Jacobs > > Ohio Consumer Electronics > > Pickerington, Ohio 43147 > > 614-833-9696 > > > > > > > **************************************************************************** > * > > CHECK OUT THE NEW CHATROOM! Just login and click on chat! > > http://www.tech-assist.org/secure/tip/main.htm > > The Tech Address Book: > > http://www.tech-assist.org/secure/tip/contact.htm > > Add a Repair Tip Here, or Change/Remove your Email Address: > > http://www.tech-assist.org/secure/tip/main.htm > > Lost Password: > > http://www.tech-assist.org and select "Lost your Login Info?". > > Email Archives: > > //www.freelists.org/archives/techassist/ > > > > > **************************************************************************** * > CHECK OUT THE NEW CHATROOM! Just login and click on chat! > http://www.tech-assist.org/secure/tip/main.htm > The Tech Address Book: > http://www.tech-assist.org/secure/tip/contact.htm > Add a Repair Tip Here, or Change/Remove your Email Address: > http://www.tech-assist.org/secure/tip/main.htm > Lost Password: > http://www.tech-assist.org and select "Lost your Login Info?". > Email Archives: > //www.freelists.org/archives/techassist/ ***************************************************************************** CHECK OUT THE NEW CHATROOM! Just login and click on chat! http://www.tech-assist.org/secure/tip/main.htm The Tech Address Book: http://www.tech-assist.org/secure/tip/contact.htm Add a Repair Tip Here, or Change/Remove your Email Address: http://www.tech-assist.org/secure/tip/main.htm Lost Password: http://www.tech-assist.org and select "Lost your Login Info?". Email Archives: //www.freelists.org/archives/techassist/