Samsung DVD-R155 Service Manual page 107

Block Diagram arround S5L3210
¨ ¨
DVD-R155 MPEG CODEC and Memory Interface is located in MAIN PCB Assembly.
There are 4EA of memory device for several useage as below
a. 2Mbyte Flashe Memory for Software Store
b. 32MByte DDR-SDRAM as buffer Memory Device for Entire operating
c. 16Kbit EEPROM for user setting and Buyer option
d. 4Kbit EEPROM for HDCP KEY
And, several process use built-in archetecture in S5L3210as below.
a. NTSC/PAL Video Encoder (54MHz/10bit Video DAC) for Analog Video output
b. Audio A/D Convertor (48KHz/16bit) for Analog Audio Input
Samsung Electronics
Fig. 13-7
Circuit Operating Descriptions
13-7