[TechAssist] Re: Audio..Kenwood KR-A56U..no audio output
- From: "Dave" <audioserviceclinic@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 7 Feb 2003 15:21:09 -0800
That's one way. Make sure you're looking at the contacts and not the coil.
It's not the best way if you want a full proof method that works every time.
Dave
----- Original Message -----
From: "david stereo exchange" <stex@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, February 07, 2003 15:05
Subject: [TechAssist] Re: Audio..Kenwood KR-A56U..no audio output
>
> Take a look at the otherside of the relay and see if there is any dc
> voltage...
>
> david
> stereo exchange
> chicago, 1-773-784-0004
> http://www.turntablerepair.com/
>
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Dave
> Sent: Friday, February 07, 2003 4:39 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Audio..Kenwood KR-A56U..no audio output
>
> No! Don't short across the relay! If you have DC offset, you'll cook a
> speaker!
>
> I can help you with that. I specialize in audio for the last 25+ years.
> Maybe I missed your last reply. I asked if you have DC offset. Do you know
> how to measure it? I'll walk you through it.
>
> Dave
>
> ----- Original Message -----
> From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, February 06, 2003 21:57
> Subject: [TechAssist] Re: Audio..Kenwood KR-A56U..no audio output
>
>
> >
> > Jeff,
> > If it has +24 volt speaker relays,...try shorting across the contacts.
> > It might have duel contacts and only one relay.
> >
> > LLW
> >
> > LeRoy Westlund
> > Westlund TV & Electronics " Walk tall,...Walk straight
> > 93 North Main and look the world
> > Centerfield, UT 84622-0087 right in the eye "
> > Ph./Fax 435-528-3822
> > mailto:LLW@xxxxxxxxxx
> >
> > -----Original Message-----
> > From: Jeff Dougherty <support@xxxxxxxxxxxxxxxxxx>
> > To: Techsonline <techassist@xxxxxxxxxxxxx>
> > Date: Thursday, February 06, 2003 2:45 PM
> > Subject: [TechAssist] Audio..Kenwood KR-A56U..no audio output
> >
> >
> > >
> > >I don't do much audio equipment, so I hope someone can help me.
> > >On the collector of each output, I have -/+50vdc, but no voltages on
base
> > or
> > >emitter, the transistors test OK.
> > >I tried tape and tuner functions and tape playback, no audio through
> > speakers or
> > >audio out jack.
> > >Could the output transistors still be bad?
> > >I found numerous bad connections, especially on Q32/33, with the
> heatsink,
> > but
> > >repairing those didn't help. I do not have a schematic.
> > >I'd appreciate any help...thank you.
> > >
> > >Jeff@xxxxxxxxxxxxxxxxxx
> > >FAX 717-564-4952
> > >Jeff Dougherty
> > >Intrepid Video & Electronics Be careful of your thoughts.
> > >501 Luther Rd They may become your words
> > >Harrisburg, PA 17111 any moment.
> > >717-909-8844
> > >VCR tips, electronics info & general interest.
> > >www.intrepid-video.com www.tech-repair.net
> > >www.thetoolcaddy.com www.9-11-2001tragedy.com
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