Welcome to the North American Subaru Impreza Owners Club Wednesday May 6, 2015
Home Forums WikiNASIOC Products Store Modifications Upgrade Garage
NASIOC
Here you can view your subscribed threads, work with private messages and edit your profile and preferences Home Registration is free! Visit the NASIOC Store NASIOC Rules Search Find other members Frequently Asked Questions Calendar Archive NASIOC Upgrade Garage Logout
Go Back   NASIOC > NASIOC Miscellaneous > Off-Topic

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.
* Registered users of the site do not see these ads.
Reply
 
Thread Tools Display Modes
Old 05-12-2006, 02:24 PM   #1
GooseMan
Scooby Specialist
 
Member#: 2462
Join Date: Sep 2000
Chapter/Region: SCIC
Location: Los Angeles/Montreal
Vehicle:
2012 Volvo S60 T5
2005 Triumph Sprint ST

Default Anyone here good at repairing electronics and/or know schematics?

I've got a malfunctioning DJ mixer returned from a customer (I distribute the product). Its a standard 4-channel analog mixer, but it also has a MIDI controller built into it. The MIDI part seems to work for a few moments when the unit is turned on, but stops working after a few minutes....which leaves me to beleive that the processor is not getting enough power...maybe a capacitor?

I dunno...if anyone is familiar with this sort of this, please shoot me a PM!
* Registered users of the site do not see these ads.
GooseMan is offline   Reply With Quote
Old 05-12-2006, 02:26 PM   #2
fliz
Scooby Guru
 
Member#: 30342
Join Date: Nov 2002
Location: #blp
Default

Not a capacitor...it's overheating.

Add a sink.
fliz is offline   Reply With Quote
Old 05-12-2006, 02:45 PM   #3
Badkarma
Scooby Specialist
 
Member#: 42641
Join Date: Sep 2003
Chapter/Region: South East
Location: Oakwood GA
Vehicle:
2004 GTO
Red as Hell

Default

Yeah, It's probably overheating, or there is a crack in one of the traces or leads. A part may be expanding due to heat and is pulling the trace or leads.

Don't laugh, I've seen it before.
Badkarma is offline   Reply With Quote
Old 05-12-2006, 02:49 PM   #4
RATyson
Scooby Newbie
 
Member#: 34390
Join Date: Mar 2003
Chapter/Region: South East
Location: South East
Vehicle:
2002 WRX Wagon
WRB

Default

^^ This happens quite often and is a pain to troubleshoot.
My guess would be a heat issue since it seems to work, then stops.
RATyson is offline   Reply With Quote
Old 05-12-2006, 02:50 PM   #5
mx_9
Scooby Specialist
 
Member#: 36138
Join Date: May 2003
Chapter/Region: South East
Location: Cary, NC
Vehicle:
2004 2015 Focus ST
Silver

Default

It can be a variety of things. Something is telling it to shut down: heat sensors, voltage sensors, current sensors, etc. Like stated above, the obvious thing is to look for a missing or loose heatsink or a loose connection on a wire.
mx_9 is offline   Reply With Quote
Old 05-12-2006, 02:55 PM   #6
mx_9
Scooby Specialist
 
Member#: 36138
Join Date: May 2003
Chapter/Region: South East
Location: Cary, NC
Vehicle:
2004 2015 Focus ST
Silver

Default

Quote:
Originally Posted by RATyson
^^ This happens quite often and is a pain to troubleshoot.
My guess would be a heat issue since it seems to work, then stops.
It's on only for a few moments so it would be hard to get that hot. My vote is for an over-current condition or a processor self test that fails and sends a signal to shut down.
mx_9 is offline   Reply With Quote
Old 05-12-2006, 03:12 PM   #7
GooseMan
Scooby Specialist
 
Member#: 2462
Join Date: Sep 2000
Chapter/Region: SCIC
Location: Los Angeles/Montreal
Vehicle:
2012 Volvo S60 T5
2005 Triumph Sprint ST

Default

I dunno...the customer said when he got it, it was OK...then after a while, the MIDI part would just stop working. For instance, a certain LED for the MIDI section would come on and stay on...no matter what you press (obviously go off when you power it off).

When I got the unit, I plugged it in and it worked perfectly for a few minutes...then, that stupid LED came on and it was unresponsive. Surprisingly, I can still upload the latest firmware patches and it wouldnt give me an error (it has a USB port).

I actually tried to leave it unplugged for a few days, and try it again, but the LED would still be on.

This week, I didnt touch the thing, and just decided to try it once again, and it worked! But again, only for like 2 minutes...

I dont know how hot it can get it like 2 minutes. I'm thinking its a software/firmware problem...but it seems like the MIDI processor part of it is getting the proper voltage...but after a while, it doesnt...and stops working. I checked the connections...seems to be OK.

Oh well....
GooseMan is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Does anyone here work at a consulting firm, or know someone who does? Capt Crunch Mid Atlantic Impreza Club -- MAIC 17 11-04-2009 08:45 PM
Anyone here who is both good at vBulletin styles AND who is quite bored? kaisersouse Off-Topic 0 04-18-2008 11:07 AM
Anyone here good at debugging windows minidump files? AcquaCow Off-Topic 0 05-18-2005 03:02 PM
Anyone here work at Tri-state Subaru or know who to complain to? JOSHMAN New England Impreza Club Forum -- NESIC 16 08-13-2002 08:48 AM
So who here works at a comic store or knows anybody? youthanasia Vancouver Impreza Club Forum -- VIC 9 05-05-2002 05:49 PM


All times are GMT -4. The time now is 03:35 AM.


Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2015 Axivo Inc.
Copyright ©1999 - 2014, North American Subaru Impreza Owners Club, Inc.