Samsung DVD-909 Service Manual page 72

6-5-3 Waveform Description
It measures the timing that data processed in DIC1 at DVD playback.
STROBE
REQ
DACK
SDATA all
• CH1 : STROBE (DIC1-69, CLOCK)
• CH2 : REQ (DIC1-70, DATA REQUEST)
• CH3 : DACK (DIC1-58, DATA ACKNOWLEDGE)
• CH4 : SDATA (DIC1-60~67, DATA)
Samsung Electronics
2 2 0 1
Fig. 6-20
Circuit Descriptions
0
6-15