Make a TV audio out - diyAudio
Go Back   Home > Forums > General Interest > Everything Else

Everything Else Anything related to audio / video / electronics etc) BUT remember- we have many new forums where your thread may now fit! .... Parts, Equipment & Tools, Construction Tips, Software Tools......

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 1st June 2004, 03:37 AM   #1
amw is offline amw  United States
diyAudio Member
 
Join Date: Jun 2004
Location: USA
Default Make a TV audio out

I have an old TV that does not have an audio out and I would like to build one. Messing around with the TV, I blew the speaker so now I really need it. Right now there are two wires running from the main board to a (blown) 16 ohm speaker. I blew it by connecting speaker wire to each of these and touching them to rca plugs connected to my reciever. After doing this I got the idea that the rca jacks are for left and right channel and the wires are positive and negative so these are probably completely different. What do I need to do to make these outputs.

Also, I may want to try to put in new speakers. Radio shack has 8-ohm speakers, can a just connect these in parallel to get 16-ohm resistance (I'm just getting that out of physics class).
  Reply With Quote
Old 1st June 2004, 12:20 PM   #2
sreten is offline sreten  United Kingdom
diyAudio Member
 
Join Date: Nov 2003
Location: Brighton UK
You wire the 8's in series for 16ohm.

Put a series 10K resistor / 1K resistor in parralel with the
speaker output and tap off the line output from the 1k resistor.

Make sure the 1K resistor is connected to the ground of the
loudspeaker output, the 10 K to the actual speaker output.

The only problem with this arrangement is you can't turn off
your TV speakers unless you wire the sockets like a headphone
output, (use 3.5mm jack plug /socket) switching off the speakers
when its used.

sreten.
  Reply With Quote
Old 1st June 2004, 10:40 PM   #3
amw is offline amw  United States
diyAudio Member
 
Join Date: Jun 2004
Location: USA
Thanks, but im not exactly sure what that means. I tried to draw up a diagram in paint, is this what you were talking about?
Click the image to open in full size.

Thanks again
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Audio Garage Sale - Make Offer speaker Swap Meet 1 10th March 2008 04:54 PM
how to make a audio source selector? no183 Analog Line Level 7 28th November 2007 12:36 PM
How do you make an audio potentiometer into a variable resistor? Darren Nemeth Parts 1 10th February 2005 08:15 AM
How to make Audio and Video Interconnects Bthompson Everything Else 0 20th April 2003 11:13 PM


New To Site? Need Help?

All times are GMT. The time now is 04:14 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2