[TechAssist] Re: Fisher AMP CA-9025...DEAD**more info
- From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 21 Sep 2001 15:53:24 -0400
Thanks a lot, Don.
I'll tkae a look.
Jeff www.9-11-2001tragedy.com
Help those affected by the NY/PA tragedy:
The Red Cross needs is mobilizing a national blood drive and needs your
help. Please call 800-GIVE LIFE, to find out where in your area you can
donate blood.
FAX 1-413-280-0677
Intrepid Video & Electronics
Harrisburg, PA 17111
717-909-8844
www.intrepid-video.com www.tech-repair.net www.thetoolcaddy.com
----- Original Message -----
From: Don Hartigan
To: techassist@xxxxxxxxxxxxx
Sent: Friday, September 21, 2001 3:02 PM
Subject: [TechAssist] Re: Fisher AMP CA-9025...DEAD**more info
Hi Jeff;Sent a fax,my print is poor quality,hope it helps..Don of HARTS-TVCR
----- Original Message -----
From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 20, 2001 8:27 PM
Subject: [TechAssist] Re: Fisher AMP CA-9025...DEAD**more info
>
> Jim,
> As stated, in the subject..this is an AMP.
> I'll follow the other instructions I received.
> Thanks for your time.
> Jeff www.9-11-2001tragedy.com
> Help those affected by the NY/PA tragedy:
> The Red Cross needs is mobilizing a national blood drive and needs your
> help. Please call 800-GIVE LIFE, to find out where in your area you can
> donate blood.
> FAX 1-413-280-0677
> Intrepid Video & Electronics
> Harrisburg, PA 17111
> 717-909-8844
> www.intrepid-video.com www.tech-repair.net www.thetoolcaddy.com
>
>
> ----- Original Message -----
> From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, September 20, 2001 5:18 PM
> Subject: [TechAssist] Re: Fisher AMP CA-9025...DEAD**more info
>
>
> >
> > Must not be a Fisher CA-9025 then, unless Fisher used that model number
> more
> > than one time. Maybe the one you are working on is just an amp, the one
I
> > have a manual on is a receiver amp.
> > Jim Myers
> > jr.myers@xxxxxxxxxxx
> > ----- Original Message -----
> > From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
> > To: "Techsonline" <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, September 20, 2001 3:26 PM
> > Subject: [TechAssist] Re: Fisher AMP CA-9025...DEAD**more info
> >
> >
> > >
> > > Jim,
> > > Thanks for the help, but are we talking the same unit?
> > > This thing does not have an LCD display and now switch labeled 'power
> > > standby'.
> > > There is only one switch I am not sure what it is for is labeled
'source
> > > direct'
> > > I see no IC701, nor any 700 series on the main board. It looks like
the
> > 700
> > > series may be on the front board. There are only LED's on the front of
> > this.
> > >
> > > Jeff www.9-11-2001tragedy.com
> > > Help those affected by the NY/PA tragedy:
> > > The Red Cross needs is mobilizing a national blood drive and needs
your
> > > help. Please call 800-GIVE LIFE, to find out where in your area you
can
> > > donate blood.
> > > FAX 1-413-280-0677
> > > Intrepid Video & Electronics
> > > Harrisburg, PA 17111
> > > 717-909-8844
> > > www.intrepid-video.com www.tech-repair.net www.thetoolcaddy.com
> > >
> > >
> > > ----- Original Message -----
> > > From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, September 20, 2001 11:53 AM
> > > Subject: [TechAssist] Re: Fisher AMP CA-9025...DEAD**more info
> > >
> > >
> > > >
> > > > Jeff, I have a microfisch manual, can't print or fax it. The power
> > switch
> > > > turns on the standby 12v for the relay and is regulated to 5v by
Q501
> > for
> > > > the microprocessor IC701. Pin 64 of IC701 should have 5v thru Q701
> which
> > > is
> > > > used as a diode, 5v to the base and emiter, collector to pin 64.
IC701
> > > pins
> > > > 19 and 20 are the xtal osc, pin 21 is reset, pin 47 is PROTECT NOT
if
> > you
> > > > follow the meaning, pin 48 is PWR RELAY, pin 49 is SPKR RELAY.
> > > > Pin 48 must go high to turn on Q502 power relay driver. Something
has
> to
> > > > tell the micro to output a high at pin 48 to turn the unit on from
> > standby
> > > > mode, I have a picture of it in mind and I think it is a switch to
the
> > > right
> > > > of the lcd display that is called power standby, when pressed it
> should
> > > turn
> > > > the system on including the ac outlets on back to provide ac to the
> > other
> > > > parts of the system. If pin 47, PROTECT NOT is low this may keep it
> from
> > > > turning on. IC701 is under the lcd display on the front panel pc
board
> > as
> > > I
> > > > recall.
> > > > Is this any help?
> > > > Jim Myers
> > > > jr.myers@xxxxxxxxxxx
> > > > ----- Original Message -----
> > > > From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
> > > > To: "Techsonline" <techassist@xxxxxxxxxxxxx>
> > > > Sent: Wednesday, September 19, 2001 5:52 PM
> > > > Subject: [TechAssist] Fisher AMP CA-9025...DEAD**more info
> > > >
> > > >
> > > > >
> > > > > First, pressing power only lights the power standby light. Power
LED
> > is
> > > > not
> > > > > lit.
> > > > > Power button is push switch, so no micro.
> > > > > Power Relay, no click, has 12 vdc on each side to ground, AC side
> has
> > > > > 120vac.
> > > > > Output transistors are not shorted and do not test open. Two small
> > > > > transistors, on same heat sink measure about 40 ohms from base to
> > coll.
> > > > > I did not find any open resistors, shorted caps, or open/shorted
> > diodes,
> > > > of
> > > > > course, I may have missed one.
> > > > > Heat sinks all check OK, no open traces and I looked very closely.
> > > > > Does this unit have a shut down circuit and would anyone have a
> print
> > > to
> > > > > fax me?
> > > > > Thank you for listening to my story.
> > > > > Jeff www.9-11-2001tragedy.com
> > > > > Help those affected by the NY/PA tragedy:
> > > > > The Red Cross needs is mobilizing a national blood drive and needs
> > your
> > > > > help. Please call 800-GIVE LIFE, to find out where in your area
you
> > can
> > > > > donate blood.
> > > > > FAX 1-413-280-0677
> > > > > Intrepid Video & Electronics
> > > > > Harrisburg, PA 17111
> > > > > 717-909-8844
> > > > > www.intrepid-video.com www.tech-repair.net www.thetoolcaddy.com
> > > > >
> > > > >
> > > > >
> > > > > Help make your TechAssist online repair tips
> > > > > database better! Submit your fixes here:
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> > > >
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>
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