Daryl; Just tell your customers...Sears doesn't have "same day service" either. Maybe better at this time to give it back to him, and try Sears, then he will find out. -Ed- Tel-Tek Electronics Ontario-Canada teltek2@xxxxxxxxxxxx ----- Original Message ----- From: "D Thunhurst" <dthunhurst@xxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Monday, December 09, 2002 12:41 PM Subject: [TechAssist] Re: LXI M#564.54710751 (Toshiba) mfg. 3/88, video driver prob. > > I stand corrected. > That's what happens when you ASS_U_ME instead of confirming. The set has a > Toshiba labeled crt and tuner along with several IC's. Also the customer > told me it was a 35" but I think it is actually a 32" set. > I have taken the advice of several and soldered the connectors to the crt > board even if they looked alright but no help. > I have made a bit of progress on this. I can get a picture with the rgb > driver collectors running at 146 volts by adjusting what appears to be a > brightness range control. However, with scene changes it flares out of > brightness stability. I am leaning towards the ABL circuit. There also is > no changes in the picture when I vary the brightness or contrast but OSD > indicates changes. It appears that possibly it is all controlled by the > jungle chip. > Without the literature, I am guessing. I would replace the chip but no one > locally has it and of course the customer is expecting to have his set back > today. > Thanks, > Daryl > Daryl's TV > 3310 Dyer St. > El Paso, TX 79930 > 915-565-9184 > 915-564-1024 Fax > http://dynacomp.freeyellow.com > -----Original Message----- > From: gulftech@xxxxxxxx <gulftech@xxxxxxxx> > To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx> > Date: Monday, December 09, 2002 9:00 AM > Subject: [TechAssist] Re: LXI M#564.54710751 (Toshiba) mfg. 3/88, video > driver prob. > > > > > >Daryl, > > > >564 is Sanyo/Fisher, not Toshiba. Resolder the wires from/to the crt > >pcb. May look good, but resolder them anyway. > > > > > >Ken Smith > >Gulf Technical Services > >3034 Gulf Breeze Parkway > >Gulf Breeze, FL 32563 > >850-934-8324 (Voice) 850-932-0819 (Fax) > > > > > >On Mon, 9 Dec 2002 07:36:04 -0700 "D Thunhurst" <dthunhurst@xxxxxxx> > >writes: > >> > >> Hi, > >> I have an old sears 35", 564.54710751 made by Toshiba. > >> No chassis number found and I have not been able to cross to any > >> Toshiba > >> numbers. Sams is available only by photocopy. > >> Set came in with intermittent vert. deflection. Found the usual bad > >> solder > >> joints throughout the chassis. Esr'd the electros and didn't find > >> anything > >> else bad. Traced my footsteps for possible solder bridges, > >> connectors in > >> the wrong place, etc. (none found). > >> Problem now is I have full deflection but have washed out video. The > >> picture looks like the usual symptom you get on the Zeniths that > >> have the > >> transistor shorted on the crt board. > >> I'm not sure if it is a ABL problem or a video driver problem. I > >> have 36 > >> volts on the RGB collectors but can bias the transistors to turn off > >> and > >> give me my 200 volts. However, when I turn up G2, I get a pulsing > >> on the > >> screen and momentarily get good video while it is pulsing ( pulses > >> at rate > >> of about one second). The RGB collectors then pulse from 36 to 145 > >> volts. > >> If anyone has any ideas or has a cure or possibly run a scan of the > >> video > >> driver and ABL circuits. > >> Thanks, > >> Daryl > >> Daryl's TV > >> 3310 Dyer St. > >> El Paso, TX 79930 > >> 915-565-9184 > >> 915-564-1024 Fax > >> http://dynacomp.freeyellow.com > >> > >> ------------------------------------------ > >> Submit A Repair Tip For Everyone Here: > >> http://www.tech-assist.org/secure/tip/main.html > >> ------------------------------------------ > >> To REMOVE your email address, click here: > >> http://www.tech-assist.org/unsubb.html > >> To CHANGE your email address, click here: > >> http://www.techassist.net/forms/change.html > >> > >> > > > > > >________________________________________________________________ > >Sign Up for Juno Platinum Internet Access Today > >Only $9.95 per month! > >Visit www.juno.com > >------------------------------------------ > >Submit A Repair Tip For Everyone Here: > >http://www.tech-assist.org/secure/tip/main.html > >------------------------------------------ > >To REMOVE your email address, click here: > > http://www.tech-assist.org/unsubb.html > >To CHANGE your email address, click here: > > http://www.techassist.net/forms/change.html > > > > > > ------------------------------------------ > Submit A Repair Tip For Everyone Here: > http://www.tech-assist.org/secure/tip/main.html > ------------------------------------------ > To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html > To CHANGE your email address, click here: > http://www.techassist.net/forms/change.html > ------------------------------------------ Submit A Repair Tip For Everyone Here: http://www.tech-assist.org/secure/tip/main.html ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.techassist.net/forms/change.html