Cool video about Sony CD Player, have a look:

Old Sony CD player with custom circuit installed… not sure what exactly the purpose was, but I found it interesting. The ICs in the circuit are SN74LS74AN, 74LS00 and NE555V. The unit is a Sony Compact Disc Player Model CDP-390.
{auction}
Disclaimer: This site is a paid affiliate of eBay.com

PIONEER VSX-D608 RECEIVER W/ REMOTE & SONY CD CDP-CE375

US $74.99 (0 Bid) End Date: Wednesday Sep-08-2010 14:47:37 PDT Bid now | Add to watch list

• INTEGRATED CIRCUIT CHIP PST600E-T
• Works with the following models: Sony CDP-C5CS, Sony CDPCE275, Sony CDP-CE375, Sony CDPCE575
• Sony CDX-45, Sony CDX52RF, Sony CDX-U70, Sony DXA-S90C, Sony HCD-H11, Sony HCD-H11J

Sony 875916582 INTEGRATED CIRCUIT CHIP
Product Description
INTEGRATED CIRCUIT CHIP PST600E-T… More >>
Sony 875916582 INTEGRATED CIRCUIT CHIP

SONY CDPCE375 5 DISC CD CHANGER PLAYER CDP-CE375

US $102.99 End Date: Thursday Sep-09-2010 11:19:59 PDT Buy It Now for only: US $102.99 Buy it now | Add to watch list

Disclaimer: This site is an affiliate of Amazon.com and Ebay.com