[TechAssist] Re: Fw: 20GT375 CTC176E No channels above 50 UPDATE
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 21 Oct 2005 07:51:10 -0400
I Changed the IC's in the tuner. And the U/V transistors are changing.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Barry Thompson" <barrystv@xxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 21, 2005 7:44 AM
Subject: [TechAssist] Re: Fw: 20GT375 CTC176E No channels above 50 UPDATE
> You have a bad mix osc ic or bad switching tansisters,I will send you a
> flow
> chart.
> Barrys TV
> Ottawa Ontario
> Canada
> ----- Original Message -----
> From: "al m" <ampm@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, October 20, 2005 8:42 PM
> Subject: [TechAssist] Re: Fw: 20GT375 CTC176E No channels above 50 UPDATE
>
>
>> Been over this thing too many times. The problem is someone else did the
>> first tuner solder but I can't find any cracks or splashes other than the
>> corner where the ground wire is soldered was cracked again.
>> Al Marquardt
>> ampm@xxxxxxx
>> Al Marquardt Electronic Repair
>> 206 W Main
>> Girardville Pa. 17935
>> ----- Original Message -----
>> From: "terry goldstein" <tgolds5559@xxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Thursday, October 20, 2005 8:29 PM
>> Subject: [TechAssist] Re: Fw: 20GT375 CTC176E No channels above 50 UPDATE
>>
>>
>>> Al. also if you did the tuner work, be sure to check and see of you
>>> didn't
>>> bridge the R7119 to ground, lower right hand corner of tuner with the
>>> chasis
>>> upside down and rf connector facing you
>>> tgolds5559@xxxxxxxx
>>> Terry's TV & electronics
>>> 212 Bank ST
>>> Oak Harbor Ohio 43449
>>> (419) 898-9641
>>> ----- Original Message -----
>>> From: "al m" <ampm@xxxxxxx>
>>> To: <techassist@xxxxxxxxxxxxx>
>>> Sent: Thursday, October 20, 2005 7:53 PM
>>> Subject: [TechAssist] Re: Fw: 20GT375 CTC176E No channels above 50
>>> UPDATE
>>>
>>>
>>>> I changed both IC's and same thing. I did notice the AGC isn't
>>>> changing.
>>> Put
>>>> IF in from My sencore and Perfect picture and AGC is down to 5V.Checked
>>>> voltages on the op amp outputs with the cable connected and they are
>>> within
>>>> ( . )1V. This has got me by the balls. It;s only a 20" tv, but I would
>>> like
>>>> to find the problem. Any Ideas?
>>>>
>>>> Al Marquardt
>>>> ampm@xxxxxxx
>>>> Al Marquardt Electronic Repair
>>>> 206 W Main
>>>> Girardville Pa. 17935
>>>> ----- Original Message -----
>>>> From: "al m" <ampm@xxxxxxx>
>>>> To: "tech assist" <techassist@xxxxxxxxxxxxx>
>>>> Sent: Wednesday, October 19, 2005 2:01 PM
>>>> Subject: [TechAssist] Fw: 20GT375 CTC176E No channels above 50
>>>>
>>>>
>>>> >
>>>> >>I know I saw this here but I can't find it in the archives or my
>>>> >>tips.
>>>> >>I
>>>> >> think you replace U7401 for this. I know anything below 50 is U7301.
>>>> >> Al Marquardt
>>>> >> ampm@xxxxxxx
>>>> >> Al Marquardt Electronic Repair
>>>> >> 206 W Main
>>>> >> Girardville Pa. 17935
>>>> >>
>>>> >
>>>>
>>>> --------------------------------------------------------------------------
>>> ---
>>>> > This Email List is accessible to the general public through search
>>>> > engines. Remove: http://www.tech-assist.org/remove.htm
>>>> > Set Vacation
>>>> > mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
>>>> > Lost Password: http://www.tech-assist.org and select "Login
>>>> > Problems?".
>>>> > Email Archives: //www.freelists.org/archives/techassist/
>>>> >
>>>> >
>>>>
>>>>
>>>> --------------------------------------------------------------------------
>>> ---
>>>> This Email List is accessible to the general public through search
>>> engines. Remove: http://www.tech-assist.org/remove.htm
>>>> Set Vacation
>>> mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
>>>> Lost Password: http://www.tech-assist.org and select "Login
>>>> Problems?".
>>>> Email Archives: //www.freelists.org/archives/techassist/
>>>>
>>>>
>>>
>>> -----------------------------------------------------------------------------
>>> This Email List is accessible to the general public through search
>>> engines. Remove: http://www.tech-assist.org/remove.htm
>>> Set Vacation
>>> mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
>>> Lost Password: http://www.tech-assist.org and select "Login Problems?".
>>> Email Archives: //www.freelists.org/archives/techassist/
>>>
>>>
>>
>>
>> -----------------------------------------------------------------------------
>> This Email List is accessible to the general public through search
>> engines. Remove: http://www.tech-assist.org/remove.htm
>> Set Vacation
>> mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
>> Lost Password: http://www.tech-assist.org and select "Login Problems?".
>> Email Archives: //www.freelists.org/archives/techassist/
>
> -----------------------------------------------------------------------------
> This Email List is accessible to the general public through search
> engines. Remove: http://www.tech-assist.org/remove.htm
> Set Vacation
> mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
> Lost Password: http://www.tech-assist.org and select "Login Problems?".
> Email Archives: //www.freelists.org/archives/techassist/
>
-----------------------------------------------------------------------------
This Email List is accessible to the general public through search engines.
Remove: http://www.tech-assist.org/remove.htm
Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation
Lost Password: http://www.tech-assist.org and select "Login Problems?".
Email Archives: //www.freelists.org/archives/techassist/
Other related posts:
