[TechAssist] Re: Emerson EWC1303, AFT lock problem

  • From: "Jerome Silverman" <greentron@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 8 Jun 2004 12:48:54 -0400

The 1302 is a year 2002 model and the 1303 is a year 2003 model. The 1302
manual shows a auto AFT adjustment. The 1303 manual does not show a AFT
adjustment of any kind.
Jerry Silverman
Greentron Inc
4 Newland Ave Greenville SC 29609
864 232 3889 Fax 271 2080
greentron@xxxxxxx
----- Original Message ----- 
From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, June 08, 2004 11:13 AM
Subject: [TechAssist] Re: Emerson EWC1303, AFT lock problem


> The service manual on the members download site for SC313C looks like it
> is the proper manual for this EWC1303 although it shows EWC1302 but not
> 1303 and there is an AFT adjustment in the service menu, it says simply
> to press "3" and if the screen turns green the AFT is ok, if it turns
> red it is not ok. When I press "3" nothing happens, all the other
> service menu adjust items seem to work normally. Bad micro maybe? or
> maybe the 1303 is a bit different than the 1302? Does anyone know?
>
****************************************************************************
***************************************
> Since 1972
> Jim Myers
> Telrad Electronics
> Fort Wayne, Indiana
>
>
> Jerome Silverman wrote:
> > You press a number button to select the adjustment mode and the channel
> > up/down button on the remote to change the data. There is no adjustment
in
> > the adjustment modes that would affect the AFT, no tunable discriminator
> > coils. If anything were defective it would not ever lock a channel in.
About
> > the only possibility is the 3.58 mhz crystal, X301. Its exact natural
> > frequency could affect the lock-in time.
> > Jerry Silverman
> > Greentron Inc
> > 4 Newland Ave Greenville SC 29609
> > 864 232 3889 Fax 271 2080
> > greentron@xxxxxxx
> > ----- Original Message ----- 
> > From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, June 07, 2004 10:06 AM
> > Subject: [TechAssist] Re: Emerson EWC1303, AFT lock problem
> >
> >
> >
> >>Jerry, changing the customers remote to a service remote in this case
> >>worked out just fine, I can turn the set on from the front panel power
> >>button then press wake-up/sleep on the remote and the service menu pops
> >>up with the number "2" in each corner, "8b1-0.16 A2" centered in the top
> >>1/2 of picture and "09" in left center of lower 1/2. My problem is
> >>figuring out how to navigate and make changes. Is there any possibility
> >>you can email, snailmail, upload, fax, or whatever, the adjustment
> >>section of the service manual? Maybe even the whole thing in case I need
> >>to trouble shoot instead of adjust?
> >>Thanks,
> >>
> >
> >
****************************************************************************
> > ***************************************
> >
> >>Since 1972
> >>Jim Myers
> >>Telrad Electronics
> >>Fort Wayne, Indiana
> >>
> >>Jerome Silverman wrote:
> >>
> >>>There is no adjustment shown in the service manual for a problem like
> >
> > that,
> >
> >>>nor are there any adjustable coils. If you expect to do much work on
> >
> > those
> >
> >>>it is better to just buy a remote, about $10, and convert it to a
> >
> > service
> >
> >>>remote. In the four years that they have used this system, we had to
use
> >
> > a
> >
> >>>service remote about 4 times.
> >>>The first time we wanted to try to adjust the AFT and maybe the AGC to
> >
> > see
> >
> >>>if we could get rid of a hissing noise in the audio. The remote had
> >
> > holes
> >
> >>>for the jumper, but no traces to the holes. We tried all sorts of
jumper
> >>>combos suggested by Funai T/A but none of them worked. Funai said they
> >
> > would
> >
> >>>send a new remote that never came. Next one we had, the jumper worked
> >
> > fine
> >
> >>>but it was a pain as we had to keep removing and installing the jumper
> >
> > to
> >
> >>>check the adjustments. Last one was a nightmare as we had to disconnect
> >
> > a
> >
> >>>micro pin and solder wires to narrow traces, again removing and
> >
> > reinstalling
> >
> >>>the jumpers. Good thing I did not follow the instructions that said to
> >
> > cut
> >
> >>>off pin 10 of the micro and then solder a wire from pin 10 to pin 17.
> >
> > Not
> >
> >>>only would there have been no pin 10 to solder to but pin 10 went
> >
> > someplace
> >
> >>>in the circuit and there would have been no way to restore that.
> >>>Jerry Silverman
> >>>Greentron Inc
> >>>4 Newland Ave Greenville SC 29609
> >>>864 232 3889 Fax 271 2080
> >>>greentron@xxxxxxx
> >>>----- Original Message ----- 
> >>>From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> >>>To: <techassist@xxxxxxxxxxxxx>
> >>>Sent: Saturday, June 05, 2004 2:13 PM
> >>>Subject: [TechAssist] Re: Emerson EWC1303, AFT lock problem
> >>>
> >>>
> >>>
> >>>
> >>>>Jeff, FYI, there is a place for a jumper in the original remote to
make
> >>>>it a service remote. Haven't found any VVCO data to change yet though.
> >>>>Still trying to figure out the navigation.
> >>>>
> >>>
> >>>
> >
****************************************************************************
> >
> >>>***************************************
> >>>
> >>>
> >>>>Since 1972
> >>>>Jim Myers
> >>>>Telrad Electronics
> >>>>Fort Wayne, Indiana
> >>>>
> >>>>Intrepid Video Support wrote:
> >>>>
> >>>>
> >>>>>Sorry Jim...never needed to do this.
> >>>>>Jeff
> >>>>>--
> >>>>>Intrepid Video TV/VCR Repair
> >>>>>263 S Front St, Steelton PA 17113
> >>>>>717-939-7708; (F) 717-564-4952
> >>>>>www.intrepid-video.com  www.tech-repair.net
> >>>>>----- Original Message ----- 
> >>>>>From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> >>>>>To: <techassist@xxxxxxxxxxxxx>
> >>>>>Sent: Friday, June 04, 2004 10:34 AM
> >>>>>Subject: [TechAssist] Re: Emerson EWC1303, AFT lock problem
> >>>>>
> >>>>>
> >>>>>Thanks for the info Jeff, is it possible to move a jumper in the
> >>>>>original remote to make it a service remote or do I have to purchase
a
> >>>>>service remote?
> >>>>>
> >>>
> >>>
> >
****************************************************************************
> >
> >>>******************************
> >>>
> >>>
> >>>>>*********
> >>>>>Since 1972
> >>>>>Jim Myers
> >>>>>Telrad Electronics
> >>>>>Fort Wayne, Indiana
> >>>>>
> >>>>>Intrepid Video Support wrote:
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Jim,
> >>>>>>>From Tech Repair CD:
> >>>>>>Emerson\EWC1902\Tuning looks like AFT way off\\\\Use Funai service
> >>>
> >>>remote ( one with jumper  in place
> >>>
> >>>
> >>>>>>inside remote) pushed wake on remote to get into service mode* and
> >>>
> >>>changed the VVCO data from 2 to
> >>>
> >>>
> >>>>>>21\\\\\\\\\
> >>>>>>Jeff
> >>>>>>--
> >>>>>>Intrepid Video TV/VCR Repair
> >>>>>>263 S Front St, Steelton PA 17113
> >>>>>>717-939-7708; (F) 717-564-4952
> >>>>>>www.intrepid-video.com  www.tech-repair.net
> >>>>>>----- Original Message ----- 
> >>>>>>From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> >>>>>>To: "TechAssist" <techassist@xxxxxxxxxxxxx>
> >>>>>>Sent: Thursday, June 03, 2004 4:32 PM
> >>>>>>Subject: [TechAssist] Emerson EWC1303, AFT lock problem
> >>>>>>
> >>>>>>
> >>>>>>When channel is changed it searches three or four times then locks,
> >>>>>>looks like AFT needs to be adjusted. Is there a service menu setting
> >
> > for
> >
> >>>>>>this? How to access and adjust? If not does anyone have a tip? We
have
> >>>>>>replaced the tuner, no change.
> >>>>>>Thanks,
> >>>>>>
> >>>>>
> >>>>>
> >
****************************************************************************
> >
> >>>******************************
> >>>
> >>>
> >>>>>>*********
> >>>>>>Since 1972
> >>>>>>Jim Myers
> >>>>>>Telrad Electronics
> >>>>>>Fort Wayne, Indiana
> >>>>>>
> >>>>
>
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