DVD player output mod, help needed

I have a Denon DVD-2800 I want to add a balanced output stage to with a separate switched power supply. I already know where to attach the extra power supply to have it switch on and off with the player.
I'm looking at simple unbalanced/balanced output boards on eBay that have power input and signal inputs on them. No problem, Those are easy to understand. What's more difficult to get is how to use a supply with these boards. Would I use an actual power supply or just a transformer? I know input and output voltage is not high at all so I don't think I need a regulator. And using the players supply would be too easy. His doesn't have to amount to anything really fancy because I'm not spending much on it.
If you're wondering why I want to do this to the player is because I hate seeing all the extra space in there go to waste and i want a cool project to do:)
I'm looking at simple unbalanced/balanced output boards on eBay that have power input and signal inputs on them. No problem, Those are easy to understand. What's more difficult to get is how to use a supply with these boards. Would I use an actual power supply or just a transformer? I know input and output voltage is not high at all so I don't think I need a regulator. And using the players supply would be too easy. His doesn't have to amount to anything really fancy because I'm not spending much on it.
If you're wondering why I want to do this to the player is because I hate seeing all the extra space in there go to waste and i want a cool project to do:)
Electronics: Westinghouse 43" LED, Marantz UD-7007 player, Denon AVR-x3100w receiver/preamp, DIY Ethereal ESO-1 power conditioner, Parasound HCA-1500a power house.
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.
Comments
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.
Lol ew
I wasn’t planning on spending much more than $30 or so. I know about the chroma issues but the player works and I don’t really want to get another one. The only way I see this one going is though the garbage or a thrift store.
So using something like this https://www.ebay.com/itm/Assembled-DRV134PA-dual-channel-single-ended-balance-board/222441370583?_trksid=p2504926.m5232.l9681 hooked to the players supply and signal output isn’t really an option?
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.
Oh cool that’s what I was hoping you’d say to begin with:-) since I could use the players supply I see four wires going into the analog board, which should I use? When using my multi meter there are three wires with voltage but one is ever changing and the other two are something like 6 and 8v and then there’s ground, are those the ones I connect to this board?
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.
If not then you are out of luck. The meter is likely fluctuating because your measuring AC with the meter set to measure DC. I will try to find a schematic later this evening.
Man everything you could help me with on this I am extremely appreciative!
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.
Guarantee that there's a selection for AC vs. DC voltage.
OK, I'd be very, very surprised if not.
Show us a photo or give us a mfgr name & model number.
Sometimes the AC vs. DC are represented graphically, thus.
(random. borrowed image
AC voltage(V) and, on this meter, current (A) is indicated by the "tilde" (squiggle), ~
DC is indicated by the solid line over the dashed line.
We're here for ya, buddy!
edit: OK, it looks like some meters nowadays may auto-detect AC vs. DC
Here’s the mere I have. I have another one that takes a 9v but not sure if it works, it’s old.
Sounds simple enough and again I really appreciate you helping me out, I hate to seem lazy too, I think I just needed pointing in the right direction I.e away from the service manual 😂
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.
Should see a symbol change on screen
Also, when was the last time you changed the battery
Low batteries will give you false readings
Desktop rig: LSi7, Polk 110sub, Dayens Ampino amp, W4S DAC/pre, Sonos, JRiver
Gear on standby: Melody 101 tube pre, Unison Research Simply Italy Integrated
Gone to new homes: (Matt Polk's)Threshold Stasis SA12e monoblocks, Pass XA30.5 amp, Usher MD2 speakers, Dynaudio C4 platinum speakers, Modwright LS100 (voltz), Simaudio 780D DAC
Oh no they’re old lol you can turn it on and it’ll read an almost constant change in bolts without putting it to anything haha
Speakers: Polk Audio RTA-12c mains, Polk Audio PSW-505 sub, Klipsch rc-10 center, Klipsch RB-41 surrounds.
Cables: Audioquest King Cobras, Audiquest Diamondbacks, Pangea HDMI's (one for audio, one for video), KnuKonceptz sub cable, Pangea AC-14 and AC-14se's, Pangea AC-9, Dayton Audio speaker wire.