Pioneer CLD-D925 - Internal comb filter bypass possible??

Archived from groups: alt.video.laserdisc (More info?)

I hope some of the LD gurus around these parts can give me some
insight:

I've got a Pioneer CLD-D925, which I am using to play some PAL discs,
via composite cable, to a Philips SAA7133-powered cap card. My caps
look pretty nice (if I do say so myself...) but I do notice that there
is some checkerboard pattern -- indicative of poor comb filtering, I
presume? -- that's visible, especially in solid red areas.

I've tried some AviSynth filters to "fix it in post", but that's not
working out quite as nicely as I'd like.

I thought that by using the composite out, I would be bypassing the
internal comb filter of the player, and letting the comb filter of the
cap card (by all accounts quite good, and definitely several years
newer than the -925's) take care of the 2D and/or 3D comb filtering.

However, a quick check suggests that the composite output on the -925
is actually a re-combination of the already-filtered S-video output,
since everything goes through the digital circuitry first, in order to
take advantage of digital frame store, etc. This means the player's
messing with the signal the cap card sees, doesn't it?

What I'm looking to do, therefore, is somehow tap the composite signal
before it hits all the internal comb filtering, etc. I'm no
electronics genius, nor do I have service manuals for my player, so I
have no idea if this is feasible, or if it's going to help (or by how
much).

Does anyone (Kurtis, perhaps?) have a more-informed opinion, or some
sort of solution?

Thanks!