[Boatanchors] Assistance With Old Stereo Gear, Please

[Duane Fischer, W8DBF]

Gentlemen, 	
	
If you can assist me with specifications, current value and cost of repair Vs
worth, please contact me "off" list. Thank you.	
	
Pioneer Multi Play Compact Disk PLAYER.  Model: PD/M510
Six CD slide in tray holder is missing. Can one be found?

Amplifier/Receiver: Yamaha Natural Sound CR/1020.
Wood cabinet, weighs 40 lbs, three channels, possibly
surround sound, connection for FM Dolby unit, AM/FM/FM stereo
tuner, dual phono and dual tape in/out.

Woofer BDS: BDSW15 15 inch bottom firing sub woofer in 18
inch square wood end table. Weighs 42 lbs. Foam suspension is
soft, but speaker performs well.

Advent: 2 way. foam suspension is gone. Model: 2002  AB014073
Tweeter and 12 inch woofer with crossover. Wood cabinets are
beautiful, Grills are good, original boxes. They will have to
be reconed. Are they worth it?