I just did a value check on cap with cap meter. I can find no other numbers yet on FLY but the FCC ID is BJMC5DU Phillip R Hull STET phil245@xxxxxxxxxxxxx FAX 517--569-3075 Professional Technicians only ----- Original Message ----- From: "Technotronic Dimensions" <Steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Thursday, September 04, 2003 2:06 PM Subject: [TechAssist] Re: Compaq monitor MV500 Model 315U > Got an FCC ID ? Had a Chungwah once with Open Filaments but it powered, just > gave a blank Screen. > > Ths Cap check is sort of a general Check, because really there is 1500VDC in > actual Operation of the Unit applied to it. I dont think you checked it with > 1500V on it right? I use a Sencore and apply 600V there which is the Max it > can go to. Dunno what you used, but I would say if there was a small amount > of Test Voltage it 'could' still read a different capacitance if more is > applied. There could also be an open or a Short in a winding, but you would > need to do a LOPT Ring Test. > > Still would be good if you had other FBT numbers to post. This Way I could > check history of Failures. > > Steve Hearns > Technotronic Dimensions, NY (USA) > 1-877-817-9885 (Voice / Fax US Only) > WWW.TECHNOTRONIC-DIMENSIONS.COM > > > ----- Original Message ----- > From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Thursday, September 04, 2003 1:42 PM > Subject: [TechAssist] Re: Compaq monitor MV500 Model 315U > > > > I get 3.1 nF so it looks like its not the fly. This unit has a chunghwa > > picture tube if that means anything > > Phillip R Hull STET > > phil245@xxxxxxxxxxxxx > > FAX 517--569-3075 > > Professional Technicians only > > ----- Original Message ----- > > From: "Technotronic Dimensions" <Steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Thursday, September 04, 2003 11:11 AM > > Subject: [TechAssist] Re: Compaq monitor MV500 Model 315U > > > > > > > Hi Phil: > > > > > > Sounds to me like the FBT is breaking down under load. Post > > the > > > Numbers on the White Sticker on the FBT here, and It may be a known Part > > > that fails alot. You can also Pull the Anode cap, and from there to the > > > ground pins on the FBT, you ought to measure from 2-9 nF. Thats the > > Internal > > > Cap in the FBT, and if its Open or too high in value, it will cause > > shutdown > > > like you are seeing. > > > > > > Steve Hearns > > > Technotronic Dimensions, NY (USA) > > > 1-877-817-9885 (Voice / Fax US Only) > > > WWW.TECHNOTRONIC-DIMENSIONS.COM > > > > > > ----- Original Message ----- > > > From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx> > > > To: <techassist@xxxxxxxxxxxxx> > > > Sent: Thursday, September 04, 2003 11:02 AM > > > Subject: [TechAssist] Compaq monitor MV500 Model 315U > > > > > > > > > > I usually do not work on these but I have this one that won't stay on. > > > > When you push the power button the lite turns green and Hi volts comes > > up > > > > for about 4-5 seconds and high volts shuts off and light turns to > amber > > > > color. I checked the best I could without a manual and I have scoped > > the > > > > vertical and its OK. I have 15v ,12v, 75v ,-9 and 8volts and filiment > > are > > > > lit. I checked all the tips I could find but found nothing on this > > > model# > > > > 315U > > > > Any help sure appreciated, > > > > Thanks > > > > Phillip R Hull STET > > > > phil245@xxxxxxxxxxxxx > > > > FAX 517--569-3075 > > > > Professional Technicians only > > > > > > > > > > > > > > **************************************************************************** > > > * > > > > Classifieds! Buy or Sell! > > > > http://sell.tech-assist.org > > > > 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/ > > > > > > > > > **************************************************************************** > > * > > > Classifieds! Buy or Sell! > > > http://sell.tech-assist.org > > > 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/ > > > > > > > > > > > **************************************************************************** > * > > Classifieds! Buy or Sell! > > http://sell.tech-assist.org > > 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/ > > > > **************************************************************************** * > Classifieds! Buy or Sell! > http://sell.tech-assist.org > 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/ > > ***************************************************************************** Classifieds! 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