[TechAssist] Re: Optimus STA-900 Receiver Protection light on, No sound

They're pretty good at furnishing part no. and service manuals. You can look
it up here http://www.radioshack.com/prodsupport/productsupport.asp?
They only show parts and list the service manual. Some of those Optimus
recievers were made by Pioneer but I think yours is Korean made. I'd check
solder joints, protect IC, usually a 9 pin inline near the relay and
capacitors. But, if all else fails, you can order the svc manual from them.
Terry H.
The TV Shop
Gonzales, Tx

----- Original Message -----
From: "Tel-Tek Electronics" <teltek3@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, November 30, 2003 2:27 PM
Subject: [TechAssist] Re: Optimus STA-900 Receiver Protection light on, No
sound


> Optimus is Radio Shack. Good luck. Parts and/or Manual. Not much help
> around here.
>
> -Ed-
>
> Ed Gaidies
> Tel-Tek Electronics
> Ontario-Canada
>
> teltek3@xxxxxxxxxxxx
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of CGRIFF4000@xxxxxxx
> Sent: Sunday, November 30, 2003 1:58 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Optimus STA-900 Receiver Protection light on, No
> sound
>
> I don't work on audio equipment very often, so this may be an easy fix
> for some of you. I have an Optimus STA-900 Receiver with no sound,
> protection light stays on. If I trip the relay, I do get sound. The
> relay is good. The output transistors check out fine. A schematic would
> be helpful if anyone has it.
>
> Chad
> Griffiths TV/VCR
> Schenectady, N.Y.
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