[TechAssist] Re: Optimus STAV-3170 Stereo receiver - Blowsoutputs on one side only.
- From: Ed Gaidies <teltek@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 03 Mar 2005 17:36:12 -0500
Yup...good point. Always keep your Doctor..your Dentist...and your Barber
satisfied..."Technically".
\
-Ed-
Ed Gaidies
Tel-Tek Electronics
Est-1969
Ontario/Canada
teltek@xxxxxxxxxx
> From: LeRoy Westlund <llw@xxxxxxxxxx>
> Reply-To: <techassist@xxxxxxxxxxxxx>
> Date: Thu, 3 Mar 2005 15:04:08 -0700
> To: <techassist@xxxxxxxxxxxxx>
> Subject: [TechAssist] Re: Optimus STAV-3170 Stereo receiver - Blowsoutputs
> on one side only.
>
> He's an old man.
> He's my barber.
> He lives 132 miles away from my shop.
> I go to Salt Lake almost every week for business matters.
> It's hard to find time to make a service call, when the day is consummed
> with other business matters.
> That's where I get my hair cut,...when needed.
> BTW;.....you don't want to cross your barber,...do you ?
> Not only does he talk a lot,....but,...he has one of them long blade shaving
> knives close by.
> ;-)
>
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main " I forgot,..to remember,..
> Centerfield, UT 84622-0087 to forget "
> Ph./Fax 435-528-3822
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: danny williams <wizhd@xxxxxxxxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Thursday, March 03, 2005 2:41 PM
> Subject: [TechAssist] Re: Optimus STAV-3170 Stereo receiver - Blowsoutputs
> on one side only.
>
>
>> At my shop if customer won't bring speakers to test, there will be no
>> warranty!!!
>>
>> Dan W
>> ----- Original Message -----
>> From: "LeRoy Westlund" <llw@xxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Thursday, March 03, 2005 1:04 PM
>> Subject: [TechAssist] Re: Optimus STAV-3170 Stereo receiver - Blowsoutputs
>> on one side only.
>>
>>
>>>
>>> I kinda suspected that,...but,...
>>> He claims, and insists, his speakers are working OK on another unit.
>>> I was surprized that it went out as soon as he hooked it up, cause it was
>>> working, and running cool in my shop. Maybe I better take it back, and
> ohm
>>> out his speakers before I hook it up this time.
>>>
>>> Regards,
>>> LLW
>>>
>>> LeRoy Westlund
>>> Westlund TV & Electronics
>>> 97 North Main " I forgot,..to remember,..
>>> Centerfield, UT 84622-0087 to forget "
>>> Ph./Fax 435-528-3822
>>> mailto:LLW@xxxxxxxxxx
>>>
>>> -----Original Message-----
>>> From: Christopher Barnak <cbarnak@xxxxxxxxxxxxx>
>>> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
>>> Date: Thursday, March 03, 2005 11:38 AM
>>> Subject: [TechAssist] Re: Optimus STAV-3170 Stereo receiver -
> Blowsoutputs
>>> on one side only.
>>>
>>>
>>>> Beware, I had the same problem, and it turned out the customer
>>>> had a bad speaker. Sounded good. But at a lower volume than the
>>>> other. Turned out it had some shorted windings.
>>>>
>>>>
>>>>
>>>> Christopher Barnak, CET
>>>> Norfolk Public Schools
>>>> Electronics Maintenace
>>>> 966 Bellmore Ave.
>>>> Norfolk, Va. 23504
>>>>
>>>> Phone 757 628 3385
>>>> Fax 757 628 3392
>>>> cbarnak@xxxxxxxxxxxxx
>>>>
>>>>
>>>>>>> llw@xxxxxxxxxx 3/3/2005 11:55:53 AM >>>
>>>> Hi members,
>>>> I had repaired this unit by replacing the following parts, but it is
>>>> back
>>>> with the same problem:
>>>> Q2 blown apart (2SC3281)
>>>> Q4 shorted (2SA1302)
>>>> Q512 open (2SC3298)
>>>> R612 open (4.7 ohms)
>>>> R614 open (4.7 ohms)
>>>> D520 shorted (I used a 1N914)
>>>> D522 shorted (I used a 1N914)
>>>>
>>>> I am wondering if there is a better replacement for D520, and D522,
>>>> since
>>>> the 1N914 is a bit longer, and not physically the same size. I can't
>>>> read
>>>> the number off the originals, cause they are too small.
>>>>
>>>> The only difference between this repeat failure of the outputs, and
>>>> the
>>>> first repair is that this time Q512 (the black 2SC3298) is bad. Last
>>>> time
>>>> Q514 (the green 2SA1306) was bad. I had replaced Q514 with a good
>>>> generic,
>>>> but the replacement was black in color, not green like the original.
>>>> Also, this time it is D520, and D522 that is bad, not D524 and D526
>>>> (which
>>>> seem to be the same size diode). I am wondering if this might have
>>>> thrown
>>>> the outputs out of balance, and caused the repeat failure of the
>>>> outputs.
>>>>
>>>> Any help is appreciated,
>>>> LLW
>>>>
>>>> LeRoy Westlund
>>>> Westlund TV & Electronics
>>>> 97 North Main " I forgot,..to remember,..
>>>> Centerfield, UT 84622-0087 to forget "
>>>> Ph./Fax 435-528-3822
>>>> mailto:LLW@xxxxxxxxxx
>>>>
>>>>
>>>>
>>>> -------------------------------------------------------------------------
> --
>>> --
>>>> This Email List is viewable to the Public.
>>>> Lost Password:
>>>> http://www.tech-assist.org and select "Login Problems?".
>>>> Email Archives:
>>>> //www.freelists.org/archives/techassist/
>>>> -------------------------------------------------------------------------
> --
>>> --
>>>> This Email List is viewable to the Public.
>>>> Lost Password:
>>>> http://www.tech-assist.org and select "Login Problems?".
>>>> Email Archives:
>>>> //www.freelists.org/archives/techassist/
>>>>
>>>
>>> -------------------------------------------------------------------------
> ----
>>> This Email List is viewable to the Public.
>>> Lost Password:
>>> http://www.tech-assist.org and select "Login Problems?".
>>> Email Archives:
>>> //www.freelists.org/archives/techassist/
>>>
>>
>>
>> ---------------------------------------------------------------------------
> --
>> This Email List is viewable to the Public.
>> Lost Password:
>> http://www.tech-assist.org and select "Login Problems?".
>> Email Archives:
>> //www.freelists.org/archives/techassist/
>>
>
> -----------------------------------------------------------------------------
> This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
> Lost Password: http://www.tech-assist.org and select "Login Problems?".
> Email Archives: //www.freelists.org/archives/techassist/
-----------------------------------------------------------------------------
This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
Lost Password: http://www.tech-assist.org and select "Login Problems?".
Email Archives: //www.freelists.org/archives/techassist/
Other related posts:
