D518 RGP02-17 NTE525 I don't know where the Ecg 580 came from but I don't think it is correct. For best results on any Sony use only Sony Parts. I sure learned this the hard way. Jay On 6/10/05, Kevin's TV Repair <kevintv@xxxxxxx> wrote: > I thought this set was fixed. But it only lasted a few minutes and R587 > opened up again. I replaced D518 with an ECG580 not touching the board. > Is this an acceptable replacement? >=20 > Kevin Wilks > Kevin's TV Repair > Penticton BC Canada > kevintv@xxxxxxx >=20 >=20 > -----Original Message----- > From: techassist-bounce@xxxxxxxxxxxxx > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Kevin's TV Repair > Sent: Thursday, June 09, 2005 12:26 PM > To: techassist@xxxxxxxxxxxxx > Subject: [TechAssist] Re: FIXED, Sony KV-27TS30, why would R587 open? >=20 > Thanks for all who replied. I did find 2 black marks under D518. > Replacing it and R587 repaired this set. What causes the burn marks? > Is there a partial short along the length of the diode on the outside > which causes this? Thanks. >=20 > Kevin Wilks > Kevin's TV Repair > Penticton BC Canada > kevintv@xxxxxxx >=20 >=20 > -----Original Message----- > From: techassist-bounce@xxxxxxxxxxxxx > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Tony S > Sent: Thursday, June 09, 2005 6:03 AM > To: techassist@xxxxxxxxxxxxx > Subject: [TechAssist] Re: Sony KV-27TS30, why would R587 open? >=20 > Kevin, this was common back then, replace resistor and the 1000v > rectifier > diode as well, it shorts under load. If you remove the diode you will > usually see a burn spot under diode. >=20 > Tony Saracco > TCS ELECTRONICS > 406 Andra Ct. > Gilberts, IL 60136 > tcselectronics@xxxxxxxxx >=20 > ----- Original Message ----- > From: "Kevin's TV Repair" <kevintv@xxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Thursday, June 09, 2005 12:55 AM > Subject: [TechAssist] Sony KV-27TS30, why would R587 open? >=20 >=20 > > Set came in with dark, red picture. Picture tube tested good with my > > B&K. I then found only 178 volts at G2. I traced G2 (1000 volt line) > > back to an open, "browned" R587, a 1.8K 1 watt resistor. I was > > wondering if it was a common fault for this resistor to turn brown in > > the center and go open, or is the fly back or picture tube at fault? > > Thanks. > > > > Kevin Wilks > > Kevin's TV Repair > > Penticton BC Canada > > kevintv@xxxxxxx > > > > > > > > > ------------------------------------------------------------------------ > ----- > > This Email List is Public. Remove: > http://www.tech-assist.org/remove.htm > > Lost Password: http://www.tech-assist.org and select "Login > Problems?". > > Appliance Repair List: > > http://www.tech-assist.org/secure/tip/chatjoin.htm#app > > Email Archives: //www.freelists.org/archives/techassist/ > > >=20 >=20 > ------------------------------------------------------------------------ > ----- > This Email List is Public. Remove: http://www.tech-assist.org/remove.htm > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Appliance Repair List: > http://www.tech-assist.org/secure/tip/chatjoin.htm#app > Email Archives: //www.freelists.org/archives/techassist/ >=20 > ------------------------------------------------------------------------ > ----- > This Email List is Public. Remove: http://www.tech-assist.org/remove.htm > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Appliance Repair List: > http://www.tech-assist.org/secure/tip/chatjoin.htm#app > Email Archives: //www.freelists.org/archives/techassist/ >=20 > -------------------------------------------------------------------------= ---- > This Email List is Public. Remove: http://www.tech-assist.org/remove.htm > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm= #app > Email Archives: //www.freelists.org/archives/techassist/ >=20 --=20 J. Knoll TechAssist Monitor TechAssist 225 Monticello Ave. Clarksburg WV, 26301 www.tech-assist.org www.techassist.net=20 ------------------------------------------------------- PS: If replying to this email, please include all previous correspondence.=20 It is the only way we can get the full picture. Thank You!!! ----------------------------------------------------------------------------- This Email List is Public. Remove: http://www.tech-assist.org/remove.htm Lost Password: http://www.tech-assist.org and select "Login Problems?". Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app Email Archives: //www.freelists.org/archives/techassist/