From: Dennis Viereck <wa6ati@xxxxxxxxxxxxxx> Ah ha... No VP pulse from U4501(3). I had the same thing on a CTC197. Unit had vertical sweep but not OSD.... Dennis "G.N.Arrivas" wrote: > No OSD/Menu, replace U4501 > > G.N.Arrivas, CET, Pittsburg, CA > Tel/Fax: (925) 432-2057 > Arrivas Enterprises > http://www.arrivasenterprises.com > > Electronics Repair Help > http://www.etechhelponline.com > (Viewed by technicians in 60-plus countries worldwide) > > Tax Help Online: > http://www.itaxhelponline.com > > ----- Original Message ----- > From: "C&W Electronics" <c_w_electronics@xxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Saturday, November 10, 2001 6:51 PM > Subject: [TechAssist] Re: help-ctc175C2 no menu > > > > > The number on the eeprom means nothing. Most of them have a 24W**, it's > the > > program within the eeprom that tells the set what to do. The missing > > OSD/Menu could be caused by a corrupted eeprom or missing sync pulse to > the > > mpu. > > > > Check the horz and vert sync going to the mpu. If these signals are > missing > > or corrupted, it will move the OSD/Menu off the screen, therefore it may > be > > there, but will not be in view. > > > > Good hunting. > > Paul W > > > > > > From: "bob" <bob_whigt@xxxxxxxxxxx> > > Reply-To: techassist@xxxxxxxxxxxxx > > To: <techassist@xxxxxxxxxxxxx> > > Subject: [TechAssist] help-ctc175C2 no menu > > Date: Sat, 10 Nov 2001 18:49:55 -0600 > > > > > > Hey guys > > This set CTC175C2 has no osd, good video/audeo no menu,could the eprom > cause > > this wrong one it has been changed before the # on it is 240???? cant > read > > the rest.My log shows shood be a 221047. can anyone verify the right > > one.Thanks in advance........bob > > Have a great day! > > ELECTRON WORLD > > GUTHRIE KY > > ***************************************** Help make your TechAssist online repair tips database better! Submit your fixes here: http://www.circuitwork.com/techassist/tip/#tips ***************************************** To UNSUBSCRIBE write to: techassist-request@xxxxxxxxxxxxx with unsubscribe in the subject line.