Thanks Gary, will try! Al Leatherman 224 RT. 46 Mine Hill, NJ 07803 973-361-5796 WWW.ALS-TV.NET ----- Original Message ----- From: "Gary McCartney" <gary@xxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Tuesday, July 19, 2005 5:00 PM Subject: [TechAssist] Re: Fw: KV36FS100 shorted h out trans, now jagged hor. lines-arcing noise > Al, I did a Sony repair a while back with symptoms a little bit like you > may be describing. Not sure if this will help but posting it just in case: > > > This Sony TV model KV24FV10 wouldn't start. Flyback was bad so I > replaced it with an HR-Diemen # 8774 because it was half the price of a > Sony original. Set fired up and worked but after a while I noticed some > pulling in from the bottom right side of the picture, maybe 1/2 inch or > so. I thought, great I just wasted my money on a sub-standard flyback. > Put cross-hatch test pattern on screen and ran it for a while. Saw that > the pull-in was random, sometimes near the bottom of the picture, > sometimes closer to half way up on both sides of the screen, sometimes > at the top, etc. It would sometimes flicker good to bad. > > Tried freeze spray on the chassis. Found that spraying D562, the +13V > rectifier off the flyback, the symptom would settle down. I replaced the > original diode (RGP15G, rated 1.5A, 400V, 150nS) with an EGP30D (rated > 3A, 200V, 35nS). Now the pulling-in of the picture would occur at the > top of the screen only. After finishing off a can of freeze spray, I > finally remembered that there were some surface mount parts on the > solder side of the board. Found that spraying IC521, (Vertical control > Hold) would again settle the picture. This IC is an 8 pin surface mount > IC, Sony # 8-759-700-07, number on part is 2903 JRC (actual # > NJM2903M-TEZ, same as an LM2903M). Replaced the IC and now picture is > very stable. Flyback seems to be holding up fine. > > > > > Gary McCartney > > McCartney Electronics > Guelph Ontario Canada > Est. 1984 > email: gary (at) number63.ca > > > > > > > > > Al L wrote: >> Sent: Tuesday, July 19, 2005 4:15 PM >> Subject: KV36FS100 shorted h out trans, now jagged hor. lines-arcing >> noise >> >> >> >>>Put in high quality output,scanning lines ragged at left of pix(severe >>>hafc hunting but not pie crusting),with my stethoscope i can hear arcing >>>from fly(I think).I suspect trippler in fly.Set is not drawing heavy >>>current,and new h out trans is cool,pix is excellent.Any ideas or should >>>i >>>tell him two weeks before i get back,and order a fly? >>> >>>Al Leatherman >>>224 RT. 46 >>>Mine Hill, NJ 07803 >>>973-361-5796 >>>WWW.ALS-TV.NET >>> >> >> >> >> ----------------------------------------------------------------------------- >> This Email List is Public. Remove: http://www.tech-assist.org/remove.htm >> Set Vacation >> mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation >> Lost Password: http://www.tech-assist.org and select "Login Problems?". >> Email Archives: //www.freelists.org/archives/techassist/ >> > > ----------------------------------------------------------------------------- > This Email List is Public. Remove: http://www.tech-assist.org/remove.htm > Set Vacation > mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Email Archives: //www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- This Email List is Public. Remove: http://www.tech-assist.org/remove.htm Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/