|
It is currently 17 Oct 2026, 10:26
|
View unsolved topics | View unanswered posts
| Author |
Message |
Jump to forum Jump to topic |
| makmak16 |
|
Posted: 08 Feb 2020, 03:15
|
|
|
For those unfamiliar with LASERFiLm, go ahead and read up on all the information available about it on the Internet. It should take all of about 5 minutes. This video shows the unit a bit but not much else. There is some information from a previous employee of McDonnell Douglas in the comments of the video. https://www.youtube.com/watch?v=aVHUZ8YJp-U
There is a little blurb about it here: https://en.wikipedia.org/wiki/Laserfilm
And here:
http://www.deadmedia.org/notes/15/155.html
If you are wondering why I type it "LASERFiLm" please look at this logo and tell me I'm wrong. https://i.ibb.co/tczfKB3/IMG-20200207-164008.jpg
Since the chances of finding a disc to play on this are slim, I have taken it apart for never before seen pictures and trying to trick it to play. You are going to have to excuse the poor quality of the pictures as I invest my money in useless A/V equipment and not in fancy cameras.
Here is the front panel: https://i.ibb.co/Kz0rN0y/IMG-20200207-164002.jpg
The back: https://i.ibb.co/CBX7bmL/IMG-20200207-164027.jpg https://i.ibb.co/NYBsvFS/IMG-20200207-164035.jpg https://i.ibb.co/J2wJX8M/IMG-20200207-164039.jpg If the transport screw is set then this message is displayed on the screen: https://i.ibb.co/BVnj8tN/IMG-20200207-162446.jpg Silly LASERFiLm, I already have screws loose.
Inside: Video Processing: https://i.ibb.co/mS0TX7G/IMG-20200207-150302.jpg Laser sleigh, Spindle Motor, and motor driver boards: https://i.ibb.co/4tLWnVz/IMG-20200207-150308.jpg Power supply: https://i.ibb.co/2t6GFMd/IMG-20200207-150820.jpg Audio processing: https://i.ibb.co/zG6F18h/IMG-20200207-150947.jpg Behind that little metal plate is a 15v battery and fuses for the computer processing board: https://i.ibb.co/yX1Xdj5/IMG-20200207-151242.jpg Computer Processing Board: https://i.ibb.co/ctXNTQp/IMG-20200207-162635.jpg Intel Inside: https://i.ibb.co/whgWZ7z/IMG-20200207-162650.jpg
Laser Assembly: The White plastic hook on the left tells the unit a disc is inserted. The black plastic in the middle rides under the disc and has an optical reader which picks up the laser through the disc. I think anyways. https://i.ibb.co/9ThdtG6/IMG-20200207-152516.jpg The sleigh unit straddles the disc. The big circle is the laser: https://i.ibb.co/FKgXD3M/IMG-20200207-160033.jpg https://i.ibb.co/nfZnMzS/IMG-20200207-160146.jpg The component to the left of the screw is what I mentioned earlier as the optical reader. The best way to get replies on this thread is by saying something wrong so I'll just stick with it being an optical reader regardless of if it is or not. https://i.ibb.co/P1h9QBv/IMG-20200207-160150.jpg
The spindle hub is about the size of a cd. I tried to play several things in this player to trick it including: CD, VHD, CED, piece of cardboard, and a piece of film negative. The CD was too small as you can see in this video and the VHD/CED center hole was too large for the spindle hub to grip. https://www.youtube.com/watch?v=zmAAFfbAQc0
Here is a top view of the system seeing if there is a disc: https://www.youtube.com/watch?v=be7iFR3g9oc
Here is what is showed on the TV screen during the process above: https://www.youtube.com/watch?v=7H4oiEhCwNs
And finally this is what the laser does during the process above: https://www.youtube.com/watch?v=sGuqq88fJ6E
In case you were wondering about the model number (LFS-4400)and power specifications: https://i.ibb.co/qmjj38x/IMG-20200207-164104.jpg
So there is the write-up on LASERFiLm you never wanted. |
|
 |
Jump to forum Jump to topic |
| teddanson |
|
Posted: 27 May 2020, 13:11
|
|
|
Hello.
I've had a little read around with regards making bit perfect captures of AC-3, DTS and Digital audio tracks on Laserdisc. I saw mention of the ESI U24 XL being a good choice for the job, as well as a few other internal cards (no use to me, I don't have a desktop computer). I was going to get an ESI U24 XL when I spotted a bargain deal for a Zoom U44.
This thing looks like it is more than capable of doing the job. Just wanted to post about it here to raise awareness and also see what anyone else thinks? It's a bit much buying one new, but if you can find a good used one for a good price, this thing looks like it has serious potential.
When it arrives, I'll try out capturing an AC-3 track (True Lies) and a random Dolby Digital track and report back. Anyone else tried the Zoom U44 or similar?
https://www.zoom.co.jp/products/production-recording/audio-interfaces/u-44-handy-audio-interface |
|
 |
Jump to forum Jump to topic |
| teddanson |
|
Posted: 23 Sep 2020, 11:10
|
|
|
I wish wish WISH that the Domesday team could do some sort of crowd funding project to get complete kits (all the boards, RF cable etc) in to more hands.
On the other hand it is great to see the Domesday Duplicator being used in a commercial project such as this so that we can all benefit from it. Especially as Project A-Ko is great too!
I'll be following this one with interest for sure. What a great moment for the future of Laserdisc (and VHS?) preservation. The geniuses behind the Domesday Duplicator and of course Dr. Happycube M.D should be very proud of what they have achieved. Bravo! :thumbup: :clap:
N.B It also states they are preserving and restoring the sequels too. Great news! |
|
 |
Jump to forum Jump to topic |
| saeba |
|
Posted: 07 Oct 2020, 11:49
|
|
|
How about a dark theme for the site and forum ? didn't found any past requests for it and don't know if it would be easy for you to ad Julien, but I'd like to have one for all those late night (or early morning) reading so our eyes aren't so tired about it. Does any one else would like to have as well ? |
|
 |
Jump to forum Jump to topic |
| make |
|
Posted: 12 Apr 2021, 17:13
|
|
|
So I was watching this show called Brooklyn 99 and I was very amuse by the fact that the main character "Peralta" still makes mixtapes and listen to cassetts. The thing is that after a couple of episodes I found one with laserdiscs and cool movie references so I felt in the obligation to post it here.
https://i.imgur.com/ihGUu5Y.png https://i.imgur.com/RKx55FR.png https://i.imgur.com/boHwEp2.png https://i.imgur.com/gHBLB8e.png https://i.imgur.com/zL3U9pK.png https://i.imgur.com/gSx9QOM.png https://i.imgur.com/WvXMw0U.png |
|
 |
Jump to forum Jump to topic |
| signofzeta |
|
Posted: 08 May 2021, 23:39
|
|
|
|
 |
Jump to forum Jump to topic |
| jesuslovesgood |
|
Posted: 30 Apr 2022, 04:00
|
|
|
| I own a practically new Panasonic LX-900 revision 1995 with the stickers still on it. I think I'm lucky to have this. I paid around 315 dollars for it off ebay a couple years ago. From what I read online it has a sharper picture out of the box compared to a CLD-97 but apparently the CLD-97 has a better noise reduction from what people say online. I don't feel like Noise is much of an issue with this player. Biggest complaint is the weird cut off of the screen on the right side. Other than that it's probably considered one of the better players and it works like it's brand New without any issues. Don't even see any serious cosmetic issue on it. |
|
 |
Jump to forum Jump to topic |
| admin |
|
Posted: 27 Nov 2025, 03:44
|
|
|
|
 |
Jump to forum Jump to topic |
| admin |
|
Posted: 23 Feb 2026, 16:33
|
|
|
|
 |
Jump to forum Jump to topic |
| ldfan |
|
Posted: 04 Apr 2026, 05:39
|
|
|
Marantz DP870
Well.... It has been a long 20 months since I started to research this idea and now it has come to fruition. Check out this video that I just up-loaded to YouTube ....
https://www.youtube.com/watch?v=IXmrI91eKJE
The idea of this mod was to finally find a real solution to not only tap the AC3-RF Demodulator of the DP870 to extract a digital signal from it but to also allow access to the other two standard S/PDIF inputs and thus make this into a convenient switching device to choose between Dolby Digital, PCM, and DTS with the press of a button.
I know this has been discussed in this forum for possibly the last 8 years (along w/ the clone version - the Harmon Kardon ADP-303) on getting these units properly modded like this and I'm happy to say there is finally an answer on how to do it properly.
I'm still not done w/ the mod as I need to punch out a hole on the back of the unit to mount the optical digital output jack but once that is done an official write up will be added to this post w/ pictures and a schematic of my design :) . |
|
 |
Jump to forum Jump to topic |
| ldfan |
|
Posted: 19 Apr 2026, 05:25
|
|
|
So here are the details of the Marantz DP870 digital switcher mod that hopefully some of you might find useful. I realize it’s not the easiest mod to perform but it’s something to think about for possibly those of you who already own this unit (or the clone Harmon Kardon ADP-303) and are adventurous enough to want to tackle it.
So first things first, let’s take a look at the DP870 for those of you unfamiliar with it.
Front View Of The Processor
https://i.vgy.me/JcoXeK.jpg
Back Panel "Before Mod"
https://i.vgy.me/x7hpPw.jpg
So in taking this unit for what it is in today’s world and in relation to LD, it’s a pretty barebones component.
Integrating it with today’s modern AVR’s and Pre Pro’s would be impossible without the inclusion of a 5.1 or 7.1 analog input which have mostly disappeared around 2016. And even if you have one of those 2016 or older AVR’s, you are stuck using the DP870’s built in processing which is very archaic in comparison to what we have today in respect to auto room correction, variable x-over settings (on more higher end models), DSP decoding algorithms, and backward compatibility w/ matrix surround codecs (the DP870 can’t even decode a two channel audio source to Dolby Pro-Logic). And that is why in just about all cases, a stand alone AC-3 RF Demodulator (or Processor w/ a digital output) is way more useful than this unit and is the reason it is not worth much on the open market (I acquired mine for about $70 including shipping and I know of others getting it for less than that).
Now let’s take a look at the back panel in the following pic.
Back Panel "After Mod"
https://i.vgy.me/lf9Eao.jpg
As you can see, there is now an optical digital out jack as noted w/ a white label. And this output is special because unlike any DP870 (or Harmon Kardon ADP-303) that has ever been modded, this one will output all three of the inputs of this unit out of that jack . That means this DP870 is now a digital audio switching device on top of being an AC-3 RF Demodulator. In addition, because it’s now acting as a “pass through” for all the inputs, it can deliver AC-3, PCM, and DTS downstream to any modern AVR or Pre Pro one desires to set it up with (not to mention that it simplifies one’s LD digital audio connections by allowing two digital connections to the DP-870 so just one digital input needs to be assigned on a modern AVR).
So now I'll break this mod down into five sections; 1) Board Design, 2) Board Construction, 3) Tap Points Within The Processor, 4) Punch Out For New Jack, and 5) Completed Job.
Board Design:
Here is the schematic of the design I created.
https://i.vgy.me/ecjoYX.png
So one might be asking, “Why does it have to be done this way?”
Well, the simple answer is because there is no existing interface within the design of the processor that would allow a switchable digital output to work (you can simply tap an output from the AC-3 Demodulator to get a digital extraction for the AC-3 RF input but that is all you’ll get).
And let me add that I have tried other means to get a digital output to work on all the inputs. One such method involved the use of an I2S extractor that I was hoping could work with the Sanyo LC8904Q digital interface IC that routes the inputs. However, after spending some eight months on it, I realized it wouldn’t work because the chip was formatted for EIAJ instead and that is a whole can of worms in trying to figure out an interface that could read either EIAJ to S/PDIF or EIAJ to I2S.
Moving on, I did eventually come up with the idea of a mux switching IC (SN74HC151) which is the basis of the schematic. The concept here is that instead of trying to find a universal digital output to tap, why not create a new digital input switch and then I can simply tap an output from there. Thus, now we have a simple idea of just “y-cabling” the three digital inputs into this IC and getting that universal digital out from it. The only minor obstacle was how to switch the inputs but I figured that out pretty quickly by using the front panel LED input indicators as voltage switch lines. And that is essentially it.
I also added an additional IC (SN74HCU04N) on the board for just the coaxial digital input to provide a buffer circuit to ensure proper signal integrity (the DP870 appears to have a buffer built into the LC8904Q which made it inaccessible for my mux IC).
Lastly, I will not give myself full credit for this board design as it’s roughly based on how the Sony SDP-E800 / EP9ES switching and buffer circuit is laid out.
Board Construction:
Not going to say much about this as the pictures speak for themselves.
https://i.vgy.me/0v9Cs8.jpg
https://i.vgy.me/C7QJeq.jpg
However, I will add that my choice of IC used for the mux didn’t have to be an “8 input to 1 output” design as I easily could have used a “4 to 1” to cover all the inputs. In my journey at this point, I simply wanted an IC with three switch lines just in case two switch lines might not work. The same goes for the buffer IC as the one I chose could accommodate up to three coaxial digital inputs (in this case I wanted a through hole IC and anything smaller would have been a surface mount variant). In any case, any unused ports (as you may have noticed in the schematic) goes to GND to prevent floating and any other functional issues.
One other thing to add, I use quite a number of 0.1uf capacitors between power & GND and that is by design to ensure clean stable power (I do that with the AC-3 RF boards I build as well).
Tap Points Within The Processor:
Let’s start with the voltage switch lines. Based on the schematic, I designated Pins 8, 9, 10 of J605 as the place to tap into the LED display indicators on the front panel. Unfortunately, because the solder points at J605 were smaller than I liked, I diverted the taps over to the front display board as shown here (same points that make continuity back to J605)....
https://i.vgy.me/ItjBoc.jpg
And then connected them over to the new board….
https://i.vgy.me/m7yP8I.jpg
Next up is the power and AC-3 Demodulator points (blue wire is on pin 44 of LC8904Q connected via the opposite end of RR01; same as pin 65 of PD-4606A)…
https://i.vgy.me/pHKIjn.jpg
Moving on to the Coax and Optical Digital taps on the input jack board (this is actually connector JD03 which connects to J601 w/ the same pin numbers) ….
https://i.vgy.me/gOVuv3.jpg
Now the wiring construction of the optical output jack and its connection to the new board (orange wire is data)…
https://i.vgy.me/OdDeKI.jpg
https://i.vgy.me/PR0bq1.jpg
…And the board now completely wired up and ready to go.
https://i.vgy.me/QvOoc1.jpg
Punch Out For New Jack:
It was a no-brainer to me that I wanted to place the jack in a location close to the digital inputs simply to be consistent with grouping similar connections to each other. Also, there really wasn’t any other place I could fit it in.
I went about the jack alignment with electrical tape to establish the horizontal borders in relation to the optical input cut out....
https://i.vgy.me/X74GZt.jpg
….. and eyeballed the vertical borders with the help of a spare optical jack…..
https://i.vgy.me/M6OxBy.jpg
https://i.vgy.me/m2NsIG.jpg
……next up was to double stick my template over the proposed cut out area on the electrical tape….
https://i.vgy.me/CdrSXO.jpg
…..and then punching out a hole w/ my Roper Whitney #5 Junior Hand Punch using the 3/32" punch size (note that it’s not perfectly centered but it doesn’t matter since I just needed access for a file)....
https://i.vgy.me/teb5eH.jpg
…… and we file away…..
https://i.vgy.me/JcXSn5.jpg
https://i.vgy.me/xCm5ca.jpg
…… until it’s a perfect square
https://i.vgy.me/qFHe84.jpg
Completed Job:
The final completed job with the board now mounted and jack installed,….
https://i.vgy.me/xdTaVM.jpg
https://i.vgy.me/TjEPPH.jpg
https://i.vgy.me/oQIm1Z.jpg
…. a view of the voltage switch line wiring on the back of the display board,…
https://i.vgy.me/GeFmSb.jpg
..... and another view of the back panel from a slight angle.
https://i.vgy.me/yfzXSm.jpg
So in conclusion, I’m happy to say that I didn’t waste the last 20 months getting this done and now I have another fully capable switcher / demodulator @ my disposal for hook up to another system whenever that may come along. In addition, it is still fully functional as a processor if I decide to integrate it w/ an older Pro-Logic AVR. I’ll update this posting one last time w/ an updated video further explaining the advantages of the switcher in relation to the numerous audio options of LD (Analog, PCM, AC-3, and DTS).
My next project may be the Adcom GDD-1 (running a test soon for an I2S board on that unit to see if that works). If the board fails, then it means the GDD-1 will get a similar mod as the DP870. However, I’ll probably wait on doing that mod as I am more anxious to tackle an Onkyo ED-901 which is built in a very similar manner to the DP870 but with a few interesting differences that will make it a fun project. |
|
 |
Jump to forum Jump to topic |
| admin |
|
Posted: 13 Jun 2026, 08:26
|
|
|
rein-o wrote: What are you looking for? I'll list them on ebay cheap.
How about you list them on LDDb?
Julien |
|
 |
Jump to forum Jump to topic |
| admin |
|
Posted: 03 Jul 2026, 09:36
|
|
|
Since I recently got a scanner at home... when I stumbled on this lot, I thought it would be nice to scan the parts related to the Japan releases to illustrate on LDDb.
m60132516416_1.jpg
The lot contains most of the releases from 1994 till 2000: Vol.153 1994 AUG Vol.155 1994 OCT Vol.156 1994 NOV Vol.164 1995 JULY Vol.166 1995 SEP ~ Vol.174 1996 MAY Vol.176 1996 JULY Vol.177 1996 AUG Vol.179 1996 OCT ~ Vol.203 1998 OCT Vol.205 1998 DEC ~ Vol.227 2000 OCT Vol.229 2000 DEC
Will update when received!
Julien |
|
 |
Jump to forum Jump to topic |
| ldfan |
|
Posted: 23 Jul 2026, 22:49
|
|
|
So I finally had a chance to really test out the use of Pin 1 on the Sanyo LC8904Q Digital Interface IC and I am happy to confirm that it does indeed work as a digital output that can funnel the three inputs of the ED-901 out of it and thus make it a very useful AC-3 RF Demodulator w/ switching capability.
Here are some details on the work so far.....
The very simple Toslink Optical Output wiring that I assembled (this will be altered w/ a more robust circuit layout to reduce noise and provide better protection to the LC8904Q IC).
https://i.vgy.me/Ypopk5.jpg
[b]The tap points on the main board (still need to shorten and clean up later when I get around to mounting the Toslink jack).
https://i.vgy.me/HBkRj9.jpg
The connections I ran to test it out to my AVR (RCA inputs for AC-3 RF and Coax Digital from my modded CLD-M90 to the Processor + the Optical Digital out of the Processor to the AVR). I also tested the Optical Digital In but forgot to photograph it; it works too.
https://i.vgy.me/Byyuw2.jpg
And finally, three images showing the different codecs that the ED-901 is passing to my AVR (Dolby Digital, PCM, and then DTS).
https://i.vgy.me/t317Lo.jpg
https://i.vgy.me/H3lPVb.jpg
https://i.vgy.me/HXrzOa.jpg
I final write up will be added after I get that optical output mounted. Otherwise, chalk it up to another Processor successfully modded to output all the inputs. In addition, it's way simpler than the Marantz DP870 :thumbup:. |
|
 |
Jump to forum Jump to topic |
| admin |
|
Posted: 25 Jul 2026, 07:02
|
|
|
Good point.
The old code was only checking the Digital audio tracks for the listed options in "Soundtracks".
I extended these 4 to check everywhere (Left Digital, Right Digital, Left Analog, Right Analog):
Bilingual Commentary Score Score + effects
Search hits on Laserdisc/any country/PAL or NTSC increased as follows:
3,537 => 3,550 9 => 594 578 => 707 26 => 183 -- including your Carrie #141A (1976) [CC1322L]
Julien |
|
 |
Jump to forum Jump to topic |
| harry1969 |
|
Posted: 10 Aug 2026, 14:07
|
|
|
Hello from Hamburg,
or as we say here: moin. Although I'm quite new to this website I have been into Laserdisc since the mid 90s. Back then as a student I could only afford an entry level player and a few occasional discs here and there. So my collection only grew slowly but I always kept all of it, even when DVD and later Bluray became popular. I got back into more actively appreciating and enjoying Laserdisc about a year ago when my brother gave me his collection and player.
Three specific moments really brought me back. A few months ago I watched Casablanca on Bluray. Picture quality was impressive, no doubt about that. But I asked myself if this was like the theatrical experience that people had when they watched it in cinemas in the 40s and 50s. For me it felt almost too good for a movie of that age. The second moment was when I watched Apocalypse Now on Laserdisc. Upscaled to 4k but of course nowhere near the detailed picture that a Bluray or 4k disc provides. It was however a harmonic picture and it had this distinctive film look to it. I realized that I do not always need a picture with as many details as possible. Especially movies of a certain era and age are in my view allowed, maybe even required to not look technically perfect. The third moment happened at an electronics retailer, when a sales guy thought I was on the hunt for a soundbar when in reality I was just having a look at some TVs without wanting to buy one. This guy gave me a presentation of the podrace in Star Wars EP I over a top of the line soundbar with rear speakers. He seemed genuinely impressed while for me it was just loud but not great sound quality. But that moment made me remember my first AC-3 experience at home, with the same movie and the same scene. So I put that exact same AVR from back then back into service as AC-3 demodulator and checked out the podrace. Yes, that was it! This rough and unfiltered punch that I remember from when I watched it in cinema in 1999.
My current setup:
LD players: Pioneer DVL-919 & CLD-S315 (for PAL discs) Bluray players: Pioneer BDP 51FD & BDP 450 (mainly for SACD) 4k player: Panasonic UB820DP AV receiver: Pioneer SC LX77 & VSX-909 (as AC-3 RF demodulator) Front speakers: Infinity Kappa 80 Center: Dali Opticon Vokal Mk2 Surround: JBL XTi 20 Back Surround: Argon Audio Forus 4 Wall Subwoofer: Dali Sub E-12F Screen: LG OLED B5 in 65" Soundbar: LG DS70TY + SPT8-S (for normal TV and when I watch a movie late at night without harrassing my neighbors)
Decommissioned / Backup:
Pioneer CLD-S315 Pioneer SC LX56 JBL XTi 100 JBL XTi 10C Sony X700/K
Best regards Jörg |
|
 |
Jump to forum Jump to topic |
| wlgiv |
|
Posted: 13 Aug 2026, 03:27
|
|
|
Hello from New Jersey. After too many years of amassing huge collections - everything from Laserdiscs to die cast cars, Disneyana and even loose gemstones, I finally decided to take a step back from the madne$$ and start enjoyng the stuff I have. I'm rediscovering all of the stuff I have collected and really my favorite is Laserdisc. Back in 1999, The New York Times featured me in an article about laserdisc, so I'm pretty sure I was at fanatic stage back then. Now I'm dusting off the players, searching though the shelves and stacks and starting to organize everything.
Some ot the equipment I have. (not a complete list)
Apex DVD Assorted Dell PCs back to Dimension L__cx series (6-8) Assorted VHS, DVD and Blu Ray and other equipment BarcoData 500 (retired) BarcoGraphics 800 with IRIS (still mounted) Centros DVD Recorder CyberHome CX-DVD500 Dell Optiplex 3070 (3) Dell Optiplex 5060 Dell Precision 5610 (2) - retired Dell Precision 5810 (3) - retired Dell Precision 7820 (5) Display Sciences VHS LIghtBeam Insignia NSDRVCR JVC HRD-470U VHS LG 4K Blu Ray LG Blu Ray Magnavision VB8005 Panasonic DP-UB154 4K (Every bedroom, office and Living Room) Panasonic DP-UB450 Pioneer CLD-D1030 Pioneer CLD-D3030 Pioneer CLD-D406 Pioneer CLD-D703 Pioneer CLD-D704 Pioneer CLD-D99 Pioneer DV-400V (black) Pioneer DV-400V (silver) Pioneer DVL-700 Pioneer DVL-700 Pioneer LD-V (Disney's from Star Tours attraction Pioneer VSX09TX Pioneer VSX-9300 Pioneer VSX-D510 RCA Laserdisc Roku Ultra 4K Sampo DVD Samsung Blu Ray Sharp PG-M20X Shinsonic DVD-100A Sony VHS Sony VO-5850 U-Matic recorder Sony VP-5000 U-matic player (2) Televisions: 43"-65" Samsung, Vizio, etc (10-12) Toshiba DVD Toshiba SD6000 UltraVision 2000 (Zenith - retired) Video projectors 12-15 assorted (keep replacing) Yamaha RX-V385 Yamaha TSR-7850 Zenith VR-5000 (6-8 of them) |
|
 |
Jump to forum Jump to topic |
| admin |
|
Posted: 19 Aug 2026, 05:26
|
|
|
What's the point exactly?
The whole list is in the Advanced Search combo box.
The search is already available.
Julien |
|
 |
Jump to forum Jump to topic |
| ranthony77 |
|
Posted: 20 Aug 2026, 00:03
|
|
|
Just checking in with this thread, which seems to have become kind of a go-to for people with Laserdisc players realizing thrift store buys can be extra cheap scalers/comb filters. Well, except that the prices on the most recommended dvd recorders (namely, the Panasonic ES10, 15, 20, and 25s) are basically pinned at the $150-200 level in most places online, haha.
Anyway, I thought a cheaper way to investigate whether or not a player has a 3D comb in it is... to look up the manuals for it online, and then search the pdf for the settings pages, and then search THAT for terms like 3-D Y/C, 3D, Y/C, Comb, Filter, or any other combination of those terms to see if the player's got a 3D comb in it, if you can toggle it, etc.
As it turns out, there are still some cheap- er options online, meaning like $50-80 usually, which is still way off from this threads humble beginnings back in 2012/2013 when folks were snapping these things up for $15-25 at the Goodwill. And it also seems like there's SOME options long-since touted in here as having 3D comb filters that apparently DON'T, as well.
Anyway, the Toshiba RD XS series of DVD-Recorder/Hard Drive recorders appear to ALL have 3D comb filters in them ( XS-32, 34, 35, 52 ). As does the Toshiba D-R1 and R2 , however it does not appear that the D3, 5, or 7 have a 3D comb filter inside (they specifically cite 3D Noise Reduction as a setting, but never call it a comb filter, or a y/c filter like every other Toshiba at the time does in its manuals), and apparently the V-R400, 410, 420, 600, 610, or 620 do not have 3D Comb Filters either. HOWEVER - the spec sheets for these models do all cite Y/C separation as a feature, so I'm wondering if maybe for the models that DON'T cite a setting comb-filtering in the menus, those models have an always-on 2D comb, or a 3- Line comb.
Edit : went through the thread and made note of every DVD recorder named to this point, and ran the owner/service manual checks on them. These are the ones that came back with specific mentions of 3D Comb Filters inside:
PIONEER : DVR-220, 225, 310, 320, 330, 531, 532, 533, 633, 920, LX70
PANASONIC DMR-E20, 30, 50, 65, 75, 80, 85, 95, 500 DMR-EH50, 55, 60 DMR-ES10, 15, 20, 25 DMR-HS2
TOSHIBA RD-XS24, 32, 34, 35, 52, 54, 55 D-R1, R2
Everything else that's been listed throughout the thread (incl. various Philips, JVC, Sony, RCA model #s) that DIDN'T have a 3D Comb Filter, typically listed as 3D Y/C in the settings and owner/service manuals across all brand names, doesn't appear above. Some of these brands and models DID cite use of Motion Adaptive 2D comb filters, or Motion Adaptive Noise Reduction, but the above are the only thread-referenced players I could find that specifically stated they used 3D comb filters.
By all means, please check that work (or add to the list above if you know there's a model # that was missed or that you've confirmed a model that's not above DEFINITELY has a 3D comb). Thanks!
Anyway, thought I'd add the idea I had re: poking through the manuals and spec sheets vs what seemed to be happening, which was folks just buying up recorders and running test patterns on them and crossing fingers. |
|
 |
Jump to forum Jump to topic |
| drecksoft |
|
Posted: 23 Aug 2026, 07:54
|
|
|
Check my update for this set, it explains the teletext marking on the box: The outer box is the same for the PAL and NTSC release. It contains both barcodes and reference numbers at the bottom. The back spine only states the reference numbers for the PAL boxes inside. Those are 070 4xx-1 instead of 070 5xx-1 for the NTSC boxes.
The title is in German also on the US release, the teletext marking on the front is only true for the PAL release. The NTSC version have burned in English subtitles. Even though featuring the CDVideo logo on the inner box sets and the features starting with the CDVideo logo, the NTSC Discs have a LaserDisc logo and are silver instead of golden. |
|
 |
Jump to forum Jump to topic |
| ldfan |
|
Posted: 24 Aug 2026, 00:47
|
|
|
Not the easiest mod, but the resulting flexibility to be able to switch between inputs is incredible.
Thanks. I am definitely enjoying the fruits of my labor. Would have preferred it could be something simpler but that’s the way it goes ;).
The white label that you added to the output, what is that made out of? Is it just paper? It looks very nice.
It is simply laser printer paper with a double stick backing along w/ a foggy style magic tape layer to protect the print job. I wished the print was a bit darker and I may redo it again down the road. |
|
 |
Jump to forum Jump to topic |
| admin |
|
Posted: 29 Aug 2026, 09:00
|
|
|
Was wondering if the lower-priced, different cat # of music titles are automatically identical.
Since I had 2 copies of Kim Wild video compilations, I gave a try to digital audio capture:
1987 - Kim Wilde: You Keep Me Hangin' On (1987) [07WL-55140] https://www.lddb.com/cover/ld/40801-40900/thumb/40842.jpg
1989 - Kim Wilde: You Keep Me Hangin' On (1987) [35P6-9018] https://www.lddb.com/cover/ld/27401-27500/thumb/27465.jpg
In this case, the masters are indeed identical -- the tiny differences must come from me trimming the silences at the beginning, end and between tracks:
-------------------------------------------------------------------------------- Statistics for: 1987 . Kim Wilde - You Keep Me Hangin' On [1989 - 35P6-9018] Number of samples: 77857716 Duration: 29:25 --------------------------------------------------------------------------------
Left Right
Peak Value: -4.94 dB --- -4.48 dB Avg RMS: -22.95 dB --- -22.41 dB DR channel: 15.06 dB --- 15.02 dB --------------------------------------------------------------------------------
-------------------------------------------------------------------------------- Statistics for: 1987 . Kim Wilde - You Keep Me Hangin' On [1987 - 07WL-55140] Number of samples: 77902650 Duration: 29:27 --------------------------------------------------------------------------------
Left Right
Peak Value: -4.94 dB --- -4.48 dB Avg RMS: -22.95 dB --- -22.42 dB DR channel: 15.05 dB --- 14.99 dB --------------------------------------------------------------------------------
Julien |
|
 |
Jump to forum Jump to topic |
| ranthony77 |
|
Posted: 31 Aug 2026, 17:18
|
|
|
Addendum to the above list - I did take a gamble on some cheap players (some of the above listed can still be found cheap, in fact!) after going through this list. The Panasonic DMR-E50 , and the Toshiba RD-XS35 . A Pioneer DVR-225 will be arriving soon - it and the DVR-320 share a video processing preset in the machine that is specifically for Laserdiscs apparently. Both the Panasonic and the Toshiba do in fact have 3D comb filters, you can toggle them off and on in the settings. The Toshiba has an automatic shutoff popup (hit enter and it goes away) that I so far haven't figured out how to disable, if there is a way to do it (the Panasonic's can be disabled via the menu).
Player is a Pioneer CLD-97, (Digital NR off because you have to hit that button on the front every single time , LOL), outputting composite video into the two players, component out from the players into BOTH a DVDO iScan Duo, and a Retrotink 5x Pro (latest experimental firmware). To clarify, I don't have the iScan and Retrotink in the same chain, I have two different 4k displays available to me, and one has the iScan as the primary processor, and the other has the Retrotink. I used the Video Essentials LD, and the Snell & Wilcox test on it, to compare.
The Toshiba's comb filter is markedly better than the Panasonic's , with the Toshiba providing almost full color resolution. The Panasonic's comb filter seems to only allow about half that. Still, even with a lesser comb filter, the image improvement is immediately noticeable. Will be curious to see if the Panasonic's comb filter IS the same as the one in the ES10 & 15, and also curious to see if the Pioneer one is closer to the Panasonic's performance, or the Toshiba's. |
|
 |
Jump to forum Jump to topic |
| dandu |
|
Posted: 01 Sep 2026, 16:56
|
|
|
|
 |
Jump to forum Jump to topic |
| admin |
|
Posted: 09 Sep 2026, 03:25
|
|
|
|
 |
|
Page 1 of 2 [ Search found 38 matches ]
|