I checked Q2905. It tested good. LLW LeRoy Westlund Westlund TV & Electronics 97 North Main " I forgot,..to remember,.. Centerfield, UT 84622-0087 to forget " Ph./Fax 435-528-3822 mailto:LLW@xxxxxxxxxx -----Original Message----- From: Tel-Tek <teltek3@xxxxxxxxxxxx> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx> Date: Monday, May 30, 2005 6:57 PM Subject: [TechAssist] Re: RCA F35731MB CTC169JS6 - Shuts off when signalsource is connected. >LeRoy. >Video Buffer may be at fault. Not sure Q905 or Q906. >Let you know in the morning. >Front center of chassis. > >-Ed- >-- >Tel-Tek Electronics >Ontario-Canada > >teltek3@xxxxxxxxxxxx >teltek@xxxxxxxxx > > >> From: LeRoy Westlund <llw@xxxxxxxxxx> >> Reply-To: <techassist@xxxxxxxxxxxxx> >> Date: Mon, 30 May 2005 18:40:16 -0600 >> To: TechAssist <techassist@xxxxxxxxxxxxx> >> Subject: [TechAssist] RCA F35731MB CTC169JS6 - Shuts off when signal source >> is connected. >> >> Hi members, >> This set will run all day with raster only. As soon as I hook up a signal >> source (Antenna, or external input), it will shut off after about 10 >> seconds. Picture is beautiful, and all voltages from the power supply read >> normal, for that length of time. >> When it shuts off, I have to unplug the power for at least 5 minutes, before >> my standby voltages will return. >> >> Parts replaced so far, with OEM part numbers : >> Regulater chopper output. (200165) >> Regulator IC (200419) >> Regulator caps. (2.2 @ 100 195691),(15 @ 63 214756),(470 @ 35 190496),(39 @ >> 100) >> Horz cap (.48 @ 250 197518), CR4118 (164589), C4703 (47 @ 250). >> B+ cap (470 @ 180 200147). >> Tested luminance buffer Q2906= OK. >> >> Voltage readings: >> B+ = standby = 143.2 (Run = 138.2)(adjusted B+ standby for 140, no help). >> CR4118 = standby = 13.4 ( Run = 12.1) >> Voltage Q4101-Base = standby = -.19 ( Run = -1.4) >> >> If I pull the CRT socket, set will run OK, and not shut-off. >> Works the same on my 27" test jig in the shop, as it does hooked up in the >> home, to the original Yoke / CRT load combination. >> >> Would it be wise to replace the IFT at this stage of the game ? Customer >> does not want to spend more then $200 for this repair. I may need to refund >> about $100-165, that I already collected. It worked for about 1/2 hour when >> I first took it back, but, it went out again after customer already paid me. >> >> Anymore help on this would be appreciated. >> LLW >> >> LeRoy Westlund >> Westlund TV & Electronics >> 97 North Main " I forgot,..to remember,.. >> Centerfield, UT 84622-0087 to forget " >> Ph./Fax 435-528-3822 >> mailto:LLW@xxxxxxxxxx >> >> >> ------------------------------------------------------------------------- ---- >> 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: http://www.freelists.org/archives/techassist/ > > >--------------------------------------------------------------------------- -- >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: http://www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- 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: http://www.freelists.org/archives/techassist/