by "Leonard Caillouet" <nospam@[EMAIL PROTECTED]
>
Jun 24, 2008 at 07:32 PM
"Meat Plow" <meat@[EMAIL PROTECTED]
> wrote in message
news:1vl8nr.g6h.19.1@[EMAIL PROTECTED]
> OSD works, doesn't tune channels although the OSD says it does. When I
> introduce the cable connector to the tuner connector the snow changes
> patterns as if it is receiving some signal from the cable. Snow is
> different on the 2-13 channel tier leading me to believe there is a
change
> in the tuning voltage.
>
> It would seem from this simple test that the varactor diode is shot in
the
> tuner module but would rather just replace the entire tuner.
>
> Is this a fair diagnosis?
>
>
Verify the supplies to the tuner before assuming that it is defective.
Most
likely it is, but you would feel silly replacing a tuner only to find an
open resistor or bad regulator.
Leonard
