Digest for sci.electronics.repair@googlegroups.com - 6 updates in 4 topics

makolber@yahoo.com: Nov 07 06:53AM -0800


> So even if he scanned OTA with a cheap antenna and received one or two digital TV channels, it still wouldn't prove his tuner was OK.
 
> BUT, if his modulator works on any low band VHF channel, he can enter the number manually as you suggest if he has a remote, or if the menu allows it (doubtful on newer TVs).
 
maybe the new samsung is using a fancy algorithm where instead of just looking for an RF signal it is looking for sync, or maybe it is looking for only ATSC signals now.
 
In any case, try manual config or connect another ch 3 source to the samsung that it can find.
 
mark
gregz <zekor@comcast.net>: Nov 07 08:39AM

> advise as to best procedure. Thanks. Main use of Variac will be to power
> up ancient tube equipment.
> Thank you!
 
I would place ISO XFMR after variac. The transformer is not 1:1 and
designed to be 1:1 under full load. Depends on current either way you can
end up say 160 volts no load.
 
Greg
gregz <zekor@comcast.net>: Nov 07 08:46AM

> advise as to best procedure. Thanks. Main use of Variac will be to power
> up ancient tube equipment.
> Thank you!
 
There are different types of isolation transformers. The ones many sell in
US with outlets and all, have three prong grounded outlets, and that groung
is tied to one leg of output forming new neutral. These are specific for
reducing noise. No ground isolation.
 
Greg
pys01266@gmail.com: Nov 06 07:26PM -0800

Hello, I'd like to get the Solution Manual Mechanics of the Cell (2nd Ed., David Boal).
 
Thank you.
"Dave M" <dgminala@mediacombb.net>: Nov 06 12:39PM -0600

M Philbrook wrote:
> the TLO84 quod opamp and thus the way they are now tells me the 15
> volt regs are nothing more than limiters not regulators...
 
> So does anyone have a source to the schematic ?
 
Have you tried contacting the manufacturer yet? Drop them an email
(info@furmansound.com) and ask for a copy of the schematic. Some companies
still provide real customer service - you just have to ask for it.
 
Cheers,
 
Dave M
Phil Allison <pallison49@gmail.com>: Nov 06 03:54PM -0800

Dave M wrote:
 
> M Philbrook wrote:
 
> > So does anyone have a source to the schematic ?
 
> Have you tried contacting the manufacturer yet?
 
** I think Philbrook has twigged.
 
The Furman works fine despite his objections to the unconventional use of IC regs a voltage limiters.
 
 
 
.... Phil
You received this digest because you're subscribed to updates for this group. You can change your settings on the group membership page.
To unsubscribe from this group and stop receiving emails from it send an email to sci.electronics.repair+unsubscribe@googlegroups.com.

No Response to "Digest for sci.electronics.repair@googlegroups.com - 6 updates in 4 topics"

Post a Comment