So far this worked for my Sony MDP-333. I pretty much was dead in the water for CAV discs and CLV discs had a hard time starting up. But this resolved all of it. Only other issue is scanning on a CAV disc causes it to trip out and stop playing. I may have to adjust more than the focus at that point, the tilt perhaps? I have not tried.

Can you confirm the tap point for RF is EQ203?

So it's basically the same as a converter box but more complicated, risky and not worth the time..?

Qqq😊😊

Great to see another player being modded for more functionality. This board has got the footprint for the SPDIF Jack next to the CD syncro socket at the back. There is a surface mounted resistor missing just near the chip that you soldered the wire to that stops the signal being router any further through the board. You can then cut the panel and it looks pretty much factory fitment. No extra wires etc. couple of components to fill the OEM spots but aren’t strictly required and the mod looks factory. Obviously yours works which is great but maybe the next one you need to mod you could check the back edge of the board for the empty footprint. There is a thread on LDDB by much smarter people than me about the exact components to fit which I have used as a guide in the past to mod players like this.

I wonder if you have an in circuit ESR tester if that would've shown them up as bad (as i know its hard to test uf in circuit). Also was the Supercap bad too or just replaced as a precaution ?

This is one of the players I own but it's considered one of the weaker of the players I own. What I do like about this player is it's a lot lighter than other models. I believe this players only weighs around 16 or 17 pounds which is very light for a laserdisc player. 20-30 pounds might not sound like a lot more for the other players but it is because the weight isn't proportional and it's odd weight. Now since I've moved players often I'm a bit used to moving them but for people just getting into laserdisc and want a couple players to own. I can see that be annoying the heavier the weight is. I'm a fairly strong guy too since I've done Construction Work through out my life working for my Father. I did the grunt work so lifting heavy stuff or moving liquid cement in Wheel barrels. I wonder if the older I get if it's going become more of a pain moving laserdisc players from place to place. I don't think so because I believe the last thing to go is power. There' a lot of strong guys in their 60s and 70s.

Hi, this is great. Do you accept machines from viewers for repair? Thanks!

great job very cool! btw this is not james

How did it perform when hooked up with speakers? My old MDP-455 mod from years ago was a problem due to the lack of a “mute” connection on the AC3 board and I would occasionally get a loud bang of sound on my speakers prior to disc start up. After that, the disc would play fine until the next side break and I have the loud bang again depending on the disc played. I’m not sure if it’s just a Sony thing which is why I ask. I ask others who have modified Pioneer units without “mute” added and they seem fine. Nevertheless, all the mods I have done since incorporates the mute circuit and I have never had the “rude awakening” since then 🙂.

Where do you buy your rf mod boards

I've never seen a lazer disc before

Awesome work!

Why risk potentially damaging or breaking the laserdisc player connections? I wish I could see a benefit? This is an example of having far too much free time! Adapters are inexpensive and pose zero risk as they are to the laserdisc player. There are also plenty of upscaling options if you are looking to make the video quality more appealing on modern TVs. Such as the RetroTink4k. Regardless, If the time and effort was worth it to you, I guess that is the overall benefit! Thanks for sharing your mod!

I opened it up and it will try spinning and just as it’s whining and getting to full speed, it will go from play to open and spit the disc out.

I have a pioneer cld-V740 that when I put a disc in.. it won’t play and just ejects the disc. Any suggestions of what it could be?

Fantastic, where are you located, I would have some work for you? Thanks for the video!

nice video... always loved these machines..... specially the neon hellium laser tube ones...

Why is this thing so big when its mostly empty inside. They could have fitted it in much smaller case.

I have the same player hooked up to a tube preamp. Amazed every time I turn it on. Sounds so analog with sparkling highs.

I can't remove the rear panel (VNA 1550) on my V2800. There are some sort of locking tabs on the rear left & right side, inside the unit. Any ideas on how to completely remove this panel?

What’s the difference between that and just using the adapter as-is? Much less work, same result, yes?

Unfortunately this didn't work for my sony mdp-k8. Now the buttons are unresponsive, the laser isn't moving like it was before and the unit is now a doorstop. I put the pots back to their original spot but no good

Nice work ! Definitely sounds like that player needs some proper (‘by the book’) calibration on the tracking and focus. The other demodulator that wasn’t working, is it faulty or just didn’t work with the mod ? I’d be interested to know the voltage of the signal coming out of the mod board to the Coax.

Nice fix! I look forwards to the AC3 Mod video as i've heard the Sonys can be picky with really low RF levels that make a lot of normal mod boards not work as they need an amplifier.

😊

Boy, that is one way to do it

I Don’t have the equipment to drill a hole on the chassis, my unit has voltage regulator on the back, so I used that hole for the optical jack output and just put the voltage regulator inside the chassis. Also didn’t have any screw hole on the optical jack as I unsoldered it from broken DVD player. So I put some Epoxy around it from the inside and it looks great and very professional on the outside

Is there any way to use the existing coax/optical plugs and solder the the 3 pins to the new wires. I guess it’s possible if we can shorten the onboard input connection and use the jack as output. Is it possible?

What kind of wires should I use? Electrical? Old RCA? Speaker cable? Thanks

Spindle motor often connected directly to the power supply so I’d suspect something is funky there.

Is where the digital out is tapped will work with the optical and coaxial inputs so the mod makes the DDP-1 a digital switcher or does the mod only work with the AC-3RF input?

Could you offer more insight on how you bypassed the ribbon cable on the motor for the pickup assembly? I have the same issue and want to fix it

👨🏻‍✈️😲👩🏻‍🏫👗💮💮💮💮💮💮💮💮ส🏫🏫👗🧍🏻‍♀️ป2แสม🏫😅

Smol laserdisc player

I never knew what were great about Laser Discs.

Where are you based out of? I’m looking at one of these units currently and I’m in Pennsylvania. I get nervous shipping old electronics and would like a shop I can drive to if possible

LOved these machines ... specially laserdisc players with he-ne laser tubes...

W U

Шикарная техника прошлых лет!Был такой аппарат у Мартынова Федора Алексеевича.И сейчас в рабочем состоянии.😮😮😮

Great video. I need to do this mod on my processor. What would be the main difference between modifying for Digital vs RF out signal?

5 es evm

I just thought I'd let you know that databits guy is a really awful, awful person.

So somebody linked me your channel and said you might be in St. Louis? (not sure where he got that info from) If that's true, could we get in touch if you are still doing LD player repair?

Thanks. Now I know what the one I bought is SUPPOSED to be doing. 😀

Bad Laser

If the cam hits the black rider as shown here, then there is an issue with the gear timing. Other symptoms may be that the carriage may drop and jam as the black rider falls over the end of the tilt cam.