215531 The Old Master Technician ******************************** Since 1972 * Jim Myers * Telrad Electronics * Fort Wayne Indiana * ******************************** Don Hartigan wrote: > Need part# for U14501=TDA8177...TIA... > 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: "Don Hartigan" <hartstv@xxxxxxxxxxx> > To: <repair@xxxxxxxxxxxxxxx> > Sent: Monday, September 19, 2005 2:03 PM > Subject: Re: [TechAssist-B] Re: RCA-27"TV-M#27649,C#CTC203,Vert > > > >>Yes,it checked OK,Al........... >>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: "al m" <ampm@xxxxxxx> >>To: <repair@xxxxxxxxxxxxxxx> >>Sent: Monday, September 19, 2005 1:04 PM >>Subject: [TechAssist-B] Re: RCA-27"TV-M#27649,C#CTC203,Vert >> >> >> >>>Usually the vertical B+ filter cap off the flyback causes foldover. Did >>>you >>>change that? >>>Al Marquardt >>>ampm@xxxxxxx >>>Al Marquardt Electronic Repair >>>206 W Main >>>Girardville Pa. 17935 >>>----- Original Message ----- >>>From: "Don Hartigan" <hartstv@xxxxxxxxxxx> >>>To: <repair@xxxxxxxxxxxxxxx> >>>Sent: Monday, September 19, 2005 11:24 AM >>>Subject: [TechAssist-B] RCA-27"TV-M#27649,C#CTC203,Vert >>> >>> >>> >>>>Unit had 1/2 screen of vert. sweep.Replaced the TDA8177 with a >>>>TDA8172[data sheets on these 2 ic's are identical].This restored my >>>>vert. >>>>sweep to full screen but the top of pix has bad retrace,ie,looks like >>>>vert. foldover.I checked all resistors,caps in the vert. cct.Also >>>>replaced >>>>the T-chip & Eprom.Don't have a TDA8177 in stock.Wondering if I have >>>>shot >>>>myself in the foot using a TDA8172 as a test replacement & have created >>>>this problem using this sub.Has anyone used a TDA8172 to replace the >>>>TDA8177?I will order the TDA8177,but wondering if I have missed >>>>something >>>>that may be causing this problem.....TIA..... >>>>Don of HARTS-TVCR"ASC" >>>>9 Robert St.,Oromocto,NB,Canada,E2V3N2 >>>>Tel#506-357-9785,Fax#506-357-6010 >>>>hartstv@xxxxxxxxxxx >>>>------------------------------------------------------------------------------------ >>>>This Email list is Private. Remove: >>>>http://www.tech-assist.org/remove.htm >>>>Email Archive: http://www.circuitwork.com/archive/REPAIR >>>>To modify your subscription to our back up server log in here: >>>>http://www.circuitwork.com/files/ecar/lsg2.cgi >>>>Appliance Repair List: >>>>http://www.tech-assist.org/secure/tip/chatjoin.htm#app >>>>------------------------------------------------------------------------------------ >>>> >>>> >>>> >>> >>> >>>------------------------------------------------------------------------------------ >>>This Email list is Private. Remove: http://www.tech-assist.org/remove.htm >>>Email Archive: http://www.circuitwork.com/archive/REPAIR >>>To modify your subscription to our back up server log in here: >>>http://www.circuitwork.com/files/ecar/lsg2.cgi >>>Appliance Repair List: >>>http://www.tech-assist.org/secure/tip/chatjoin.htm#app >>>------------------------------------------------------------------------------------ >>> >>> >>>-- >>>No virus found in this incoming message. >>>Checked by AVG Anti-Virus. >>>Version: 7.0.344 / Virus Database: 267.11.3/106 - Release Date: 9/19/2005 >>> >>> >> > > ----------------------------------------------------------------------------- > This Email List is accessible to the general public through search engines. > 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 accessible to the general public through search engines. 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/