try to get a pin-out of the micro. The on-off pin is the one to trace for the on-off Transistor(s). You'll probably find one shorted. Peggs At 02:49 PM 2/24/04, David Lessard wrote: >Phil, > >The relay was removed from the chassis with the same results. I was told >that the relay on this chassis is for the thermistor/degaussing circuit. >I'm lost here...what I need a schematic...AVM-2751 for Canada or DS27510 >in the US. > >Thanks for your response, I think I'm just going to purchase a >schematic, it's the only way I'm going to figure this out. > >Alexandria Electronics >50 Harrison Street >Alexandria, Ontario >K0C-1A0 > >mr_fixit@xxxxxxxxxxxx > > >-----Original Message----- >From: techassist-bounce@xxxxxxxxxxxxx >[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Phil Bader >Sent: Tuesday, February 24, 2004 5:12 PM >To: techassist@xxxxxxxxxxxxx >Subject: [TechAssist] Re: Sanyo TV - DS27510 - Won't turn OFF - Followup > >This may be a power supply issue . Think of it as not letting it turn >off al the >way rather than turning on by itself In the area of the opto-coupler, >check all >the transistors nearby. May have to remove to test for leakage. >I wonder if you could trace back from the relay driver transistor to the >micro >pin that gives the "on" command. And lift that micro pin to see. >Phil. > >David Lessard wrote: > > > Jeff, > > > > Removed the EEPROM - no difference. Do you or any other members have a > > schematic for this model? > > > > Thanks, > > > > David Lessard > > > > Alexandria Electronics > > 50 Harrison Street > > Alexandria, Ontario > > K0C-1A0 > > > > mr_fixit@xxxxxxxxxxxx > > > > > > -----Original Message----- > > From: techassist-bounce@xxxxxxxxxxxxx > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Intrepid Video > > Support > > Sent: Monday, February 23, 2004 9:49 PM > > To: techassist@xxxxxxxxxxxxx > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - Won't turn OFF - >Followup > > > > As mentioned, I believe this relay is for the degaussing... > > Hows about the EEPROM? > > Remove the EEPROM and see if the set comes on/off. > > > > Jeff Dougherty > > Intrepid Video TV/VCR > > 263 S Front St > > Steelton PA 17113 > > fax...717-564-4952 > > www.intrepid-video.com www.tech-repair.net > > > > ----- Original Message ----- > > From: "Jim Shupe" <jim@xxxxxxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Monday, February 23, 2004 4:07 PM > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - Won't turn OFF - >Followup > > > > whack the relay... it's probably stuck.. I've seen a > > lot of Sanyo and Panasonic with this problem. > > > > Jim Shupe, CET > > Yucca Valley, CA > > jim@xxxxxxxxxxxxx > > > > --- Terry J Hutchison <sony1@xxxxxxxx> wrote: > > > Fixed one like that about a year ago. Don't have > > > prints but look at the > > > small transistors right around that relay area, one > > > of them is probably > > > shorted or open. I am sure that is your problem. > > > Terry > > > > > > > > > > [Original Message] > > > > From: Bob@Bobs tv <woodman1@xxxxxxxx> > > > > To: <techassist@xxxxxxxxxxxxx> > > > > Date: 2/23/04 9:35:21 AM > > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - > > > Won't turn OFF - Followup > > > > > > > > Dave, > > > > I would try removing the relay...Then your > > > 100% sure its not > > > that... > > > > I did the same thing with the Panasonic, testing > > > relay transistor, pulse > > > > from micro...then I removed/replaced the relay and > > > that took care of the > > > > problem...Panasonic was doing EXACT same thing as > > > your Sanyo...{I thought > > > it > > > > can't be relay as it clicks on/off} > > > > Bob, > > > > > > > > Bobs TV Worcester, ma > > > > > > > > woodman1@xxxxxxxx > > > > > > > > Main 508-853-1482 > > > > Fax 508-853-1480 > > > > ----- Original Message ----- > > > > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx> > > > > To: <techassist@xxxxxxxxxxxxx> > > > > Sent: Saturday, February 21, 2004 12:20 PM > > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - > > > Won't turn OFF - Followup > > > > > > > > > > > > > Customer dropped off TV today. When plugged in > > > HV fires up but with no > > > > > picture. Hit the ON button and there is a > > > picture with sound, turn TV > > > > > off and audio goes off but picture remains. > > > Checked the relay and its > > > > > not stuck. This TV has a surface mount micro on > > > the foil side of the > > > > > PCB, what I need is information on the relay > > > circuit from the micro to > > > > > the relay please. > > > > > > > > > > Thanks. > > > > > > > > > > David Lessard. > > > > > > > > > > Alexandria Electronics > > > > > 50 Harrison Street > > > > > Alexandria, Ontario > > > > > K0C-1A0 > > > > > > > > > > mr_fixit@xxxxxxxxxxxx > > > > > > > > > > > > > > > -----Original Message----- > > > > > From: techassist-bounce@xxxxxxxxxxxxx > > > > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On > > > Behalf Of Webster TV > > > > > Sent: Tuesday, February 17, 2004 2:05 PM > > > > > To: techassist@xxxxxxxxxxxxx > > > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - > > > Won't turn OFF > > > > > > > > > > David, > > > > > > > > > > It definitely can be the relay if your unit uses > > > a relay in the power > > > > > circuit. Some sets only use the relay in the > > > degaussing circuit. I've > > > > > run > > > > > into this numerous times on Quasar/Panasonics, > > > you push power to shut > > > > > the > > > > > unit off and the on screen display and audio go > > > off, but the picture > > > > > will > > > > > slightly dim down, but stay on. Replacing the > > > relay solves the problem. > > > > > > > > > > Dan > > > Webster > > > > > Webster's > > > TV > > > > > > > > Shullsburg, Wi. > > > > > ----- Original Message ----- > > > > > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx> > > > > > To: <techassist@xxxxxxxxxxxxx> > > > > > Sent: Monday, February 16, 2004 6:29 PM > > > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - > > > Won't turn OFF > > > > > > > > > > > > > > > > Furthermore one would think that if the relay > > > was stuck that the TV > > > > > > would never turn off. I'll have to check this > > > problem out first hand > > > > > > when I visit the customer this week. Thanks > > > for the responses, it give > > > > > > me something to think about. > > > > > > > > > > > > David Lessard > > > > > > > > > > > > Alexandria Electronics > > > > > > 50 Harrison Street > > > > > > Alexandria, Ontario > > > > > > K0C-1A0 > > > > > > > > > > > > mr_fixit@xxxxxxxxxxxx > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > From: techassist-bounce@xxxxxxxxxxxxx > > > > > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On > > > Behalf Of Intrepid Video > > > > > > Support > > > > > > Sent: Monday, February 16, 2004 4:14 PM > > > > > > To: techassist@xxxxxxxxxxxxx > > > > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - > > > Won't turn OFF > > > > > > > > > > > > I would not think it is the relay..if it was, > > > the picture would not > > > > > come > > > > > > on. > > > > > > > > > > > > Jeff Dougherty > > > > > > Intrepid Video TV/VCR > > > > > > 263 S Front St > > > > > > Steelton PA 17113 > > > > > > fax...717-564-4952 > > > > > > www.intrepid-video.com www.tech-repair.net > > > > > > > > > > > > ----- Original Message ----- > > > > > > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx> > > > > > > To: <techassist@xxxxxxxxxxxxx> > > > > > > Sent: Monday, February 16, 2004 3:51 PM > > > > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - > > > Won't turn OFF > > > > > > > > > > > > > > > > > > Bob, > > > > > > > > > > > > Was it a defective relay or the relay > > > circuitry? > > > > > > > > > > > > Thanks for the information. > > > > > > > > > > > > David Lessard > > > > > > > > > > > > Alexandria Electronics > > > > > > 50 Harrison Street > > > > > > Alexandria, Ontario > > > > > > K0C-1A0 > > > > > > > > > > > > mr_fixit@xxxxxxxxxxxx > > > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > From: techassist-bounce@xxxxxxxxxxxxx > > > > > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On > > > Behalf Of Bob@Bobs tv > > > > > > Sent: Monday, February 16, 2004 3:35 PM > > > > > > To: techassist@xxxxxxxxxxxxx > > > > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 - > > > Won't turn OFF > > > > > > > > > > > > Dave, > > > > > > Just repaired a 27" Panasonic EXACT > > > same problem, it was the > > > > > > power > > > > > > relay. > > > > > > Bob, > > > > > > > > > > > > Bobs TV Worcester, ma > > > > > > > > > > > > woodman1@xxxxxxxx > > > > > > > > > > > > Main 508-853-1482 > > > > > > Fax 508-853-1480 > > > > > > ----- Original Message ----- > > > > > > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx> > > > > > > To: <techassist@xxxxxxxxxxxxx> > > > > > > Sent: Monday, February 16, 2004 1:46 PM > > > > > > Subject: [TechAssist] Sanyo TV - DS27510 - > > > Won't turn OFF > > > > > > > > > > > > > > > > > > > Customer called and explained the problem as > > > not being able to turn > > > > > > off > > > > > > > this TV. When the on/off button is pressed > > > the audio and picture > > > > > goes > > > > > > > off but then the picture returns without > > > audio. If the on/off button > > > > > > is > > > > > > > pressed again the audio comes up. Weird, I > > > would like to arm myself > > > > > > with > > > > > > > whatever details of this problem before > > > visiting the customer. > > > > > > > > > > > > > > Thanks in advance, > > > > > > > > > > > > > > David Lessard > > > > > > > > > > > > > > Alexandria Electronics > > > > > > > 50 Harrison Street > > > > > > > Alexandria, Ontario > > > > > > > K0C-1A0 > > > > > > > > > > > > > > mr_fixit@xxxxxxxxxxxx > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > > > > > -- > > > > > > --- > > > > > > > Lost Password: > > > > > > > http://www.tech-assist.org and select > > > "Login Problems?". > > > > > > > Email Archives: > > > > > > > > > > //www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > > > > > ----- > > > > > > Lost Password: > > > > > > http://www.tech-assist.org and select "Login > > > Problems?". > > > > > > Email Archives: > > > > > > //www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > > > > > ----- > > > > > > Lost Password: > > > > > > http://www.tech-assist.org and select "Login > > > Problems?". > > > > > > Email Archives: > > > > > > //www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > > > > > ----- > > > > > > Lost Password: > > > > > > http://www.tech-assist.org and select "Login > > > Problems?". > > > > > > Email Archives: > > > > > > //www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > > > > -- > > > > > --- > > > > > > Lost Password: > > > > > > http://www.tech-assist.org and select "Login > > > Problems?". > > > > > > Email Archives: > > > > > > //www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > > > > ----- > > > > > Lost Password: > > > > > http://www.tech-assist.org and select "Login > > > Problems?". > > > > > Email Archives: > > > > > //www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > -- > > > > --- > > > > > Lost Password: > > > > > http://www.tech-assist.org and select "Login > > > Problems?". > > > > > Email Archives: > > > > > //www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > ---- > > > - > > > > Lost Password: > > > > http://www.tech-assist.org and select "Login > > > Problems?". > > > > Email Archives: > > > > //www.freelists.org/archives/techassist/ > > > > > > > > > > > > > > >------------------------------------------------------------------------ > > ----- > > > Lost Password: > > > http://www.tech-assist.org and select "Login > > > Problems?". > > > Email Archives: > > > //www.freelists.org/archives/techassist/ > > > > >------------------------------------------------------------------------ > > ----- > > Lost Password: > > http://www.tech-assist.org and select "Login Problems?". > > Email Archives: > > //www.freelists.org/archives/techassist/ > > > > >------------------------------------------------------------------------ > > ----- > > Lost Password: > > http://www.tech-assist.org and select "Login Problems?". > > Email Archives: > > //www.freelists.org/archives/techassist/ > > > > >------------------------------------------------------------------------ >----- > > Lost Password: > > http://www.tech-assist.org and select "Login Problems?". > > Email Archives: > > //www.freelists.org/archives/techassist/ > >-- > >Philip Bader >Jan Phyl TV Inc. (estab. 1976) >3420 Recker Hwy. Winter Haven, Fl. 33880 >Fax (863) 299-8821 >email: tjanphyl@xxxxxxxxxxxxxxx > > > > >------------------------------------------------------------------------ >----- >Lost Password: >http://www.tech-assist.org and select "Login Problems?". >Email Archives: >//www.freelists.org/archives/techassist/ > > >----------------------------------------------------------------------------- >Lost Password: >http://www.tech-assist.org and select "Login Problems?". >Email Archives: >//www.freelists.org/archives/techassist/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/