On 22/06/2011 07:03, Vis Naicker wrote:
> There is a DTT tuner on ebay going cheap that I can
> find the d/s for, these are meant for DVB tuners and the tuning range lea=
ves
> out the lower bands. I may visit a tv repair shop and haggle an analog tu=
ner
> out of them - hopefully the pinouts  are silkscreened on the main board.
>
DVB tuners for Europe other than UK usually cover VHF.

There are any TV repair shops left?

I have a number of ex-TV and VCR Analogue Tuners, most with pin to=20
switch UHF, Band III and Band I. You can have one for cost of postage=20
from Ireland.

The pinouts are fairly standard. There is AFC, AGC, +12V or +9V Power,=20
Band Pins, Tuner volts up to 30V, IF out. You can short AFC to ground or=20
open circuit depending on model and put a pot on AGC pin for RF gain.=20
Sometimes marked on can. Removal of cover and test with meter usually=20
reveals which pin is which.



--=20
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