[TechAssist] Re: Kenwood stereo receiver VR-306, need pinouts of STK410-030
- From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 25 Aug 2003 13:46:22 -0400
One way to find datasheets on Semis is to go to
http://www.bgs.nu/sdw/
and follow the links to the manufacturer's datasheets. In this case Sanyo
doesn't have this one but does have the STK412-030. They don't have a lot
of discontinued products datasheets online.
The Sanyo site is
http://www.semic.sanyo.co.jp/english/index-e.html
Leonard G. Caillouet
Electronics World
Gainesville, FL
352-332-5608
352-332-5668 (fax)
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, August 25, 2003 12:34 PM
Subject: [TechAssist] Kenwood stereo receiver VR-306, need pinouts of
STK410-030
> I have this Kenwood stereo receiver model VR-306 and the unit shuts down
> a few seconds after power switched pressed. It will run with output
> module STK410-030 removed from the circuit, or it will run with the STK
> installed but the wide ribbon cable from the main board to the front
> panel disconnected.
>
> I have tried a new STK but that didn't solve the problem. I am now
> attempting to trace the protect circuit but don't have a schematic or
> pinout of the STK410-030. I checked Google, B&D, and Tech Assist members
> page. There is a manual for a different Kenwood there but it uses a
> differnet module with less number of pins.
>
> So far the only voltages I have detected that don't seem right is across
> R361 or R362. One of them has a voltage (26V if I remember corectly) and
> the other resistor doesn't have a voltage across it. Both these
> resistors appear to go to the output module, probably one resistor for
> one channel, the other resitor for the other channel.
>
> Thanks for any help.
> --
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
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