Re: Amplifone red hv failure question

I've done a couple of these and in both cases, replacing the HV
transformer (WinTron/PennTrans whatever), the regulator and
resistor fixed the problem.

However, one of the new style HV transformers later blew. I
believe someone is developing a replacement Ampliphone HV
board. Might be worth checking into.

----- Original Message -----
From: "Dave Knight" <dax@xmission.com>
To: <vectorlist@synthcom.com>
Sent: Monday, March 17, 2003 4:40 PM
Subject: VECTOR: Amplifone red hv failure question

> I'm wondering when a red hv coil fails in the Amplifone if it also takes
out other
> components and if so which ones?
>
> I have an apparently dead board here but I noticed that one 50 ohm 5 watt
resistor
> was bad ( infinite) and also one regulator. I replaced them but on power
up it failed
> the smoke test. A wisp of smoke came from the replaced regulator ( as far
as I
> could tell) which was also very hot. I'm guessing the short in the hv
coil takes out
> the regulator?
> I can find nothing wrong on the rest of the board
>
> Sorry if this seems very simple to some or has already been covered many
times.
> Wintron, here I come!
>
>
> -Dave
> --------------------------------------------------------------------------
-
> ** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in
the
> ** message body to vectorlist-request@synthcom.com. Please direct other
> ** questions, comments, or problems to vectorlist-owner@synthcom.com.
>

---------------------------------------------------------------------------
** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
** message body to vectorlist-request@synthcom.com. Please direct other
** questions, comments, or problems to vectorlist-owner@synthcom.com.
Received on Mon Mar 17 16:15:28 2003