[TechAssist] Re: Emerson EWC1303, AFT lock problem

  • From: Jim Myers <jr.myers@xxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 09 Jun 2004 10:10:02 -0500

Final solution........not worth the effort, returned to customer as not 
economical to repair.
*******************************************************************************************************************
Since 1972
Jim Myers
Telrad Electronics
Fort Wayne, Indiana

Jerome Silverman wrote:
> 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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