[TechAssist] Re: Optimus-STA2160 or RadioSahck 31-3004-Amp-Partsid
- From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 22 Sep 2002 18:22:24 -0300
Tks for reply Ed;No these are not digital.Used my curve tracer & they are
definately bipolar transistors hooked back to back.I remember seeing
similiar ones in older amps but they had a common base & only 5 pins.These
look like a small 6 pin IC.....Don.....
HARTS-TVCR''ASC''
9 Robert St.,Oromocto,NewBrunswick,Can
E2V 3N2
Tel#506-357-9785,Fax#506-357-6010
hartstv@xxxxxxxxxxx
----- Original Message -----
From: "Ed Gaidies" <teltek2@xxxxxxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Sunday, September 22, 2002 5:55 PM
Subject: [TechAssist] Re: Optimus-STA2160 or RadioSahck 31-3004-Amp-Partsid
>
> Don;
> These may be "digital" transistors.
> BTW..."trying Radio Shack" is like trying to get info out of Citizen.
Forget
> it.
> These guys run their own Service and will not share info an anything.
> Even our local Radio Shack sends their customers to me before sending them
> to Radio Shack Service. The are expensive, and estimate charges are out of
> this world, when you refuse estimates. Forget about it...;-)
>
> -Ed-
>
> Don Hartigan The above is the reply to your message dated 9/22/02 4:44
> PM
>
> > Unit was in ''Protect'' mode.Found finals shorted.Iam using 100 ohms
resistors
> > across the E/B before I hook up the new o/p's,A1491&C3855's.All other
> > transistors in preamp ok.All voltages ok.The only way I can get it to go
out
> > of Protect is to remove Q602L &Q602R.These are marked K332,it's a 6
pin,what
> > looks like an IC.It ckecks like a dual transistor,EBC-EBC.The K332 is
also
> > marked on the PCB under the component.They are both leaky.Is there a sub
for
> > these or are they available.Tryed Radio Shack,no go.....TIA...Don..
> > HARTS-TVCR''ASC''
> > 9 Robert St.,Oromocto,NewBrunswick,Can
> > E2V 3N2
> > Tel#506-357-9785,Fax#506-357-6010
> > hartstv@xxxxxxxxxxx
> >
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