Sound is OK,....I don't see how that could cause the problem. 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: al m <ampm@xxxxxxx> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx> Date: Monday, May 30, 2005 8:14 PM Subject: [TechAssist] Re: RCA F35731MB CTC169JS6 - Shuts off when signal source is connected. >Did you try unplugging the sound board? >Al Marquardt >ampm@xxxxxxx >Al Marquardt Electronic Repair >206 W Main >Girardville Pa. 17935 >----- Original Message ----- >From: "LeRoy Westlund" <llw@xxxxxxxxxx> >To: <techassist@xxxxxxxxxxxxx> >Sent: Monday, May 30, 2005 10:03 PM >Subject: [TechAssist] RCA F35731MB CTC169JS6 - Shuts off when signal source >is connected. > > >> John, >> The Hi-voltage reads 31K. >> The 200 volt source reads 191.8 volts. >> The screen reads 312 volts.( turning it down, does not help ). >> Picture Geometry is perfect. Picture is NOT bowed. Looks perfect. >> >> 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: John @ Myers TV <myers_tv_b@xxxxxxxxxxxxx> >> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx> >> Date: Monday, May 30, 2005 7:07 PM >> Subject: [TechAssist] Re: RCA F35731MB CTC169JS6 - Shuts off when >> signalsource is connected. >> >> >>>Hi Leroy, >>> >>>What is your high voltage running at? Is the picture geometry OK? not >>>bowed in or out on the sides? >>>The next thing I would do is to change the rest of the horizontal output >>>caps. Sorry, I don't have the part numbers here, but someone will >>>probably jump in with them. I think it is C4401, C4402, C4406)? >>>I'm thinking the timing of the hor output might be off. >>> >>>John Myers >>>Myers TV Service Co. >>>376 E. State St. >>>Alliance, OH 44601 >>> >>>Voice / Fax: 330-821-6545 >>>Myers_tv_b@xxxxxxxxxxxxx >>>http://www.myerstv.net >>> >>>Work as if you were to live a hundred years, >>>Pray as if you were to die tomorrow. >>> Ben Franklin >>> >>> >>> >>> >>>LeRoy Westlund wrote: >>> >>>>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. 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