Philips CD-i 220 - Perhaps Also a High End CD Player ?
CD-i Player Audio Section The Philips CD-i was the first CD based movie and game unit. Before PC CD-ROMs and the PlayStation. It was so ahead of the curve at the time. Philips was a major consumer electronics innovator. The Crystal CS4328 was a well regarded Digital to Analog converter in the early 90s. A number of high end CD players used it, for example the Quad CD-67 from 1993. The CD-67 retailed at 795GBP. 1,539GBP in today's money ! And it used a Philips CD transport mechanism. The CS4328 is a high performance 18 bit DAC and the AD7528s are dual 8 bit DACs. The K version of the CS4328 shown here is the -93dB typical (-90dB max) higher THD+N spec version. SNR is 120dB min. Power supply filtering is good on the device with tantalum and surface mount ceramic capacitors in parallel on the +/-5V analog supplies and +5V digital supply. If you look at the service manual schematics there are different player options. One uses the Philips SAA7321 Bitstream DAC and the other u