[TechAssist] Re: Fw: 20GT375 CTC176E No channels above 50 UPDATE
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 21 Oct 2005 07:49:43 -0400
Thanks Wayne. Did that and the voltage changed.I'm thinking it's a IF
problem and am going to change the IF amp.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Wayne Vanaman" <Wayne@xxxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 21, 2005 7:44 AM
Subject: [TechAssist] Re: Fw: 20GT375 CTC176E No channels above 50 UPDATE
> Al:
> To determine if it is an AGE problem within the processor you have to
> vary the IF input and monitor the output.
>
> Wayne Vanaman
> Omega Electronics
> 6904 W Fairfield Dr
> Pensacola, Fl. 32506-3310
>
> Wayne@xxxxxxxxxxxxxxxxxxxxx
> WWW.PensacolaTVRepair.Com
>
> 850-456-5995 voice
> 850-458-6369 fax
>
>
> al m wrote:
>> 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
>>>>
>>>
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