[TechAssist] Re: Fw: [TechAssist-B] Re: RCA-27"TV-M#27649,C#CTC203,Vert

  • From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 19 Sep 2005 17:18:42 -0300

Ken;You may be right.Will order the TDA8177=232109.Got an email from Jim 
saying part# is 215531,??,maybe that is for the TDA8172...Got emails from 
Paul & Phillip giving the 232109 so I'm hopeing this will get me the 
TDA8177........
Don of HARTS-TVCR"ASC"
9 Robert St.,Oromocto,NB,Canada,E2V3N2
Tel#506-357-9785,Fax#506-357-6010
hartstv@xxxxxxxxxxx
----- Original Message ----- 
From: <gulftech@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, September 19, 2005 3:36 PM
Subject: [TechAssist] Re: Fw: [TechAssist-B] Re: 
RCA-27"TV-M#27649,C#CTC203,Vert


> Don,
>
> Assuming model number is F27649, U14501 is 232109.  Note says that number
> is TDA 8177, which is a replacement for TDA8172.  May be like the LA7837
> - LA7838.  You can use the 38 to replace a 37, but not the other way
> around.
>
> HTH,
>
>
> Ken Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL  32563
> 850-934-8324 (Voice) 850-932-0819 (Fax)
>
> On Mon, 19 Sep 2005 15:09:49 -0300 "Don Hartigan" <hartstv@xxxxxxxxxxx>
> writes:
>> Need part# for U14501=TDA8177...TIA...
>> Don of HARTS-TVCR"ASC"
>> 9 Robert St.,Oromocto,NB,Canada,E2V3N2
>> Tel#506-357-9785,Fax#506-357-6010
>> hartstv@xxxxxxxxxxx
>> ----- Original Message ----- 
>> From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
>> To: <repair@xxxxxxxxxxxxxxx>
>> Sent: Monday, September 19, 2005 2:03 PM
>> Subject: Re: [TechAssist-B] Re: RCA-27"TV-M#27649,C#CTC203,Vert
>>
>>
>> > Yes,it checked OK,Al...........
>> > Don of HARTS-TVCR"ASC"
>> > 9 Robert St.,Oromocto,NB,Canada,E2V3N2
>> > Tel#506-357-9785,Fax#506-357-6010
>> > hartstv@xxxxxxxxxxx
>> > ----- Original Message ----- 
>> > From: "al m" <ampm@xxxxxxx>
>> > To: <repair@xxxxxxxxxxxxxxx>
>> > Sent: Monday, September 19, 2005 1:04 PM
>> > Subject: [TechAssist-B] Re: RCA-27"TV-M#27649,C#CTC203,Vert
>> >
>> >
>> >> Usually the vertical B+ filter cap off the flyback causes
>> foldover. Did
>> >> you
>> >> change that?
>> >> Al Marquardt
>> >> ampm@xxxxxxx
>> >> Al Marquardt Electronic Repair
>> >> 206 W Main
>> >> Girardville Pa. 17935
>> >> ----- Original Message ----- 
>> >> From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
>> >> To: <repair@xxxxxxxxxxxxxxx>
>> >> Sent: Monday, September 19, 2005 11:24 AM
>> >> Subject: [TechAssist-B] RCA-27"TV-M#27649,C#CTC203,Vert
>> >>
>> >>
>> >>> Unit had 1/2 screen of vert. sweep.Replaced the TDA8177 with a
>> >>> TDA8172[data sheets on these 2 ic's are identical].This restored
>> my
>> >>> vert.
>> >>> sweep to full screen but the top of pix has bad retrace,ie,looks
>> like
>> >>> vert. foldover.I checked all resistors,caps in the vert.
>> cct.Also
>> >>> replaced
>> >>> the T-chip & Eprom.Don't have a TDA8177 in stock.Wondering if I
>> have
>> >>> shot
>> >>> myself in the foot using a TDA8172 as a test replacement & have
>> created
>> >>> this problem using this sub.Has anyone used a TDA8172 to replace
>> the
>> >>> TDA8177?I will order the TDA8177,but wondering if I have missed
>> >>> something
>> >>> that may be causing this problem.....TIA.....
>> >>> Don of HARTS-TVCR"ASC"
>> >>> 9 Robert St.,Oromocto,NB,Canada,E2V3N2
>> >>> Tel#506-357-9785,Fax#506-357-6010
>> >>> hartstv@xxxxxxxxxxx
>> >>>
>>
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