[TechAssist] Re: CTC-185 No low band
- From: Gary McCartney <number63@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 08 Feb 2002 15:31:20 -0500
I had the same problem on a CTC177 and it turned out to be the VHF RF
amplifier transistor. It was a surface mount device. The RCA part number
is 200566. Don't know if it would be the same part in CTC185.
Gary McCartney
McCartney Electronics
7134 Fife Rd, RR 7
Guelph Ontario Canada N1H 6J4
Fax: (519)821-1530
email: number63@xxxxxxxxxxxxx
Webster TV wrote:
>
> Keith,
> Don't have any tips on tuner problems in CTC185's written down. Did have
> this one from a CTC175-- No VHF, UHF o.k.--found shorted transister Q7404(rf
> switch) printed circuit mount under tuner shield. Don't know if this will be
> of any help or not?
>
> Dan Webster
> Webster's TV
> Shullsburg, Wi.
> ----- Original Message -----
> From: Keith Trumbla <ktrumbla@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, February 08, 2002 5:43 PM
> Subject: [TechAssist] CTC-185 No low band
>
> >
> > I have a CTC-185 that has no RF function on the VHF band (Ch 2-49) UHF
> band;
> > CH 50 & up are OK. Tried the 4 pin VHF amp and OSC/Mixer IC. Did the
> solder
> > too, even checked all paths with ohm meter to make sure. HELP !
> >
> >
> >
> > Keith Trumbla
> > O/O B.E.M Electronics Est.1954
> > 839 Ellice ave.
> > Winnipeg Manitoba, Canada R3G 0C3
> > Ph.(204)775-2875 Fax(204) 774-9192
> > Mail to : ktrumbla@xxxxxxxxxxx
> >
> >
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