[TechAssist] Re: Sanyo DS25390 looks like tuner problem
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 20 Jun 2004 10:46:42 -0230
Hi Chuck this is the voltage you should have at the tuner pins
agc=2.5--As=0--Scl=4.5--Sda=4.4--Mb=5--Pb=5--Tb=33--If =0
this is for low band 2 to 6 .Check the voltage see what you have Eric
E M Electronics
Deer Lake Nfld
Eric Manuel
Hoyt's TV wrote:
>
> I don't know about that model but most need 33v going to the tuner somewhere
> or a variable tuning voltage. Do you have snow?
> You may need 12v at two places. One to power the mixer and one to either vhf
> lo, vhf hi, uhf, cable.
>
> Russ Hoyt
> Hoyt's TV
> Exeter, NH
>
> ----- Original Message -----
> From: "hivolts" <hivolts@xxxxxxxxxxxxxxxx>
> To: "techassist" <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, June 20, 2004 6:16 AM
> Subject: [TechAssist] Sanyo DS25390 looks like tuner problem
>
> > Ok let try this one more time lol.when this set came in I had sound but no
> pic just what looks like herring boning.I have change the tuner and the ant
> block because some one had tried to do a make shift repair.but I still have
> some what of the same problem.but I did notice when I went to autoprogram
> the set is now says no signal on either air or cable.I do not have the
> manual for this one.but I do have 12 volts and 5 volts at the tuner assy I
> think it may be a chip but not sure.
> > thanks
> > Chuck Staples
> > Staples TV
> > Phippsburg Maine 04562
> >
> > hivotls@xxxxxxxxxxxxxxxx
> >
> >
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