This one only has 3 jacks 1 video and L+R audio. No switch. The audio outputs are warm to the touch (normal), so I would think the circuit is working, may have to have another look at the Menu, maybe there is something there. Thanks for your help. I think I'll try Ext. inputs to see if audio is there. -Ed- Tel-Tek Electronics Midland, Ont. Canada. teltek2@xxxxxxxxxxxx "Quality will be remembered, long after Price is forgotten" ----- Original Message ----- From: "walter wood" <wwood_38478@xxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Wednesday, May 29, 2002 3:54 PM Subject: [TechAssist] Re: Zenith 9-1790-1 > > Looks like it would have a switch or something in > the menu, one or the other. > Anyway Audio power amp is IC810, on another board. > I bet you've got a plug loose. > However I looked on the back of a used one that > uses this same schematic and there IS a speaker > switch on the back. > It's right in there with the phono jacks, not very > noticable. > HTH > Walter > --- Tel-Tek Electronics <teltek2@xxxxxxxxxxxx> > wrote: > > > > Thanks Walt........ > > It was RX3404.....and probably the Regulator > > IC3431, I had already > > changed the regulator, so I'm not sure if it > > needed it, but it's staying in, > > since there was probably a reason for RX3404 to > > open. > > Now.......any ideas where my sound > > went.....Checked the Menu, and no > > function for speaker off, and no switch on > > back....;-) > > > > -Ed- > > Tel-Tek Electronics > > Midland, Ont. Canada. > > teltek2@xxxxxxxxxxxx > > > > "Quality will be remembered, long after Price is > > forgotten" > > ----- Original Message ----- > > From: "walter wood" <wwood_38478@xxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Wednesday, May 29, 2002 12:41 PM > > Subject: [TechAssist] Re: Zenith 9-1790-1 > > > > > > > > > > From WinsTips check IC-3431 for short and > > RX3404; > > > 180K@1/2w for open. > > > HTH > > > Walter > > > --- Tel-Tek Electronics <teltek2@xxxxxxxxxxxx> > > > wrote: > > > > > > > > Must be a reasonably new chassis son I > > have > > > > very little on it. > > > > This set is dead, no relay click. Fuses (2) > > are > > > > OK, nothing shorted (H/O and > > > > Regulator) > > > > Just sits there. I have no circuit diagram on > > > > this, so would someone send me > > > > in the right direction to what I should check > > > > first. Working blind on this > > > > one. > > > > > > > > That's Zenith A25A11D using 1 > > board....9-1790-1 > > > > > > > > Thanks guys.... > > > > > > > > -Ed- > > > > > > > > Tel-Tek Electronics > > > > Midland, Ont. Canada. > > > > teltek2@xxxxxxxxxxxx > > > > > > > > "Quality will be remembered, long after Price > > is > > > > forgotten" > > > > > > > > ------------------------------------------ > > > > To REMOVE your email address, click here: > > > > http://www.tech-assist.org/unsubb.html > > > > To CHANGE your email address, click here: > > > > http://www.tech-assist.org/change.html > > > > ------------------------------------------ > > > > ***NEW*** Tips Added Instantly!!!*** > > > > Submit Repair Tips here: > > > > http://www.tech-assist.org/secure/tip/ > > > > > > > > > ===== > > > Walter Wood > > > Future Tech Home Center > > > 2786 Hwy. 43 N. > > > Lawrenceburg Tn. 38464 > > > 931-829-3337 > > > Fax 931-829-4044 > > > mailto:wwood_38478@xxxxxxxxx > > > > > > > > > __________________________________________________ > > > Do You Yahoo!? > > > Yahoo! - Official partner of 2002 FIFA World > > Cup > > > http://fifaworldcup.yahoo.com > > > ------------------------------------------ > > > To REMOVE your email address, click here: > > > http://www.tech-assist.org/unsubb.html > > > To CHANGE your email address, click here: > > > http://www.tech-assist.org/change.html > > > ------------------------------------------ > > > ***NEW*** Tips Added Instantly!!!*** > > > Submit Repair Tips here: > > > http://www.tech-assist.org/secure/tip/ > > > > ------------------------------------------ > > To REMOVE your email address, click here: > > http://www.tech-assist.org/unsubb.html > > To CHANGE your email address, click here: > > http://www.tech-assist.org/change.html > > ------------------------------------------ > > ***NEW*** Tips Added Instantly!!!*** > > Submit Repair Tips here: > > http://www.tech-assist.org/secure/tip/ > > > ===== > Walter Wood > Future Tech Home Center > 2786 Hwy. 43 N. > Lawrenceburg Tn. 38464 > 931-829-3337 > Fax 931-829-4044 > mailto:wwood_38478@xxxxxxxxx > > __________________________________________________ > Do You Yahoo!? > Yahoo! - Official partner of 2002 FIFA World Cup > http://fifaworldcup.yahoo.com > ------------------------------------------ > To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html > To CHANGE your email address, click here: > http://www.tech-assist.org/change.html > ------------------------------------------ > ***NEW*** Tips Added Instantly!!!*** > Submit Repair Tips here: > http://www.tech-assist.org/secure/tip/ > ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.tech-assist.org/change.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/