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Audio > Audio Technology > Re: Amplifier P...
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Re: Amplifier Problem - Revised Schematic

by zekfrivo@[EMAIL PROTECTED] (GregS) Apr 22, 2008 at 02:34 PM

In article
<7a5f62ce-00ec-4fac-84f3-838743faa613@[EMAIL PROTECTED]
>,
EADGBE <hwbosshoss@[EMAIL PROTECTED]
> wrote:
>In the interest of clarification, I have added some information to the
>schematic of the tape deck headphone amp that I'm having problems
>with.
>
>Some circuit paths are now labeled:
>
>http://i240.photobucket.com/albums/ff58/eadgbe123/amplifier-1.jpg
>
>As always, the points at which voltage readings are marked with a star
>are NOT producing the voltage indicated.  The +7V location is
>measuring 131mV instead.  The other two points where a star is
>indicated are measuring between 20mV and 30mV (fluctuating slightly).
>
>I am starting to think that a circuit OUTSIDE of this circuit might be
>at fault, because NOTHING inside of this circuit seems to be
>faulty...but the darn thing still WILL NOT work.

Where did you get this diagram. Is it completely from scratch ?


greg
 




 38 Posts in Topic:
Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-21 21:08:40 
Re: Amplifier Problem - Revised Schematic
"Richard Crowley&quo  2008-04-21 21:48:36 
Re: Amplifier Problem - Revised Schematic
don pearce <nospam@[EM  2008-04-22 15:18:26 
Re: Amplifier Problem - Revised Schematic
bz <bz+spr@[EMAIL PROT  2008-04-22 07:38:03 
Re: Amplifier Problem - Revised Schematic
bz <bz+ser@[EMAIL PROT  2008-04-22 07:45:45 
Re: Amplifier Problem - Revised Schematic
"Gareth Magennis&quo  2008-04-22 08:42:57 
Re: Amplifier Problem - Revised Schematic
"Gareth Magennis&quo  2008-04-22 12:21:55 
Re: Amplifier Problem - Revised Schematic
Eeyore <rabbitsfriends  2008-04-22 12:34:19 
Re: Amplifier Problem - Revised Schematic
"James" <jam  2008-04-22 07:33:36 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 04:54:48 
Re: Amplifier Problem - Revised Schematic
"James" <jam  2008-04-22 08:05:46 
Re: Amplifier Problem - Revised Schematic
bz <bz+ser@[EMAIL PROT  2008-04-22 12:26:29 
Re: Amplifier Problem - Revised Schematic
"James Sweet" &  2008-04-22 16:49:36 
Re: Amplifier Problem - Revised Schematic
Ol' Duffer <nospam@[EM  2008-04-22 09:16:43 
Re: Amplifier Problem - Revised Schematic
John Phillips <news080  2008-04-22 14:08:56 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 06:22:28 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 06:25:04 
Re: Amplifier Problem - Revised Schematic
"Arny Krueger"   2008-04-22 09:44:01 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 07:26:42 
Re: Amplifier Problem - Revised Schematic
John Phillips <news080  2008-04-22 14:31:07 
Re: Amplifier Problem - Revised Schematic
zekfrivo@[EMAIL PROTECTED  2008-04-22 14:34:55 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 07:43:33 
Re: Amplifier Problem - Revised Schematic
zekfrivo@[EMAIL PROTECTED  2008-04-22 15:29:49 
Re: Amplifier Problem - Revised Schematic
don pearce <nospam@[EM  2008-04-22 16:35:38 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 08:17:28 
Re: Amplifier Problem - Revised Schematic
zekfrivo@[EMAIL PROTECTED  2008-04-22 15:51:20 
Re: Amplifier Problem - Revised Schematic
John Phillips <news080  2008-04-22 16:03:42 
Re: Amplifier Problem - Revised Schematic
"Richard Crowley&quo  2008-04-22 09:44:41 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 08:41:02 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 10:04:49 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 11:01:14 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 11:13:19 
Re: Amplifier Problem - Revised Schematic
zekfrivo@[EMAIL PROTECTED  2008-04-22 18:42:00 
Re: Amplifier Problem - Revised Schematic
"David Farber"   2008-04-22 11:29:34 
Re: Amplifier Problem - Revised Schematic
Eeyore <rabbitsfriends  2008-04-22 19:52:31 
Re: Amplifier Problem - Revised Schematic
EADGBE <hwbosshoss@[EM  2008-04-22 12:05:26 
Re: Amplifier Problem - Revised Schematic
zekfrivo@[EMAIL PROTECTED  2008-04-22 20:09:33 
Re: Amplifier Problem - Revised Schematic
jakdedert <jakdedert@[  2008-04-22 19:34:40 

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tan12V112 Mon Oct 6 23:58:06 CDT 2008.