Hitachi 42HDT79/DW2-U - Waveforms

IT02 Pin 41 MPEG-DATA 0
1
2
3
4
5
6
7
11 IT02 Pin 66 MPEG_PKT_SYNC
10 IT02 Pin 63 MPEG_DATA EN
TABLE OF CONTENTS
4.0 V
SUBDIGITAL PWB
QAM/VSB DEMODULATOR
click here to go to circuit diagram
using a Color Bar signal with H sync 31 khz and V. sync 60 hz and a X10 probe.
Numbers inside circle correspond to locations shown in the circuit diagram. Waveforms taken
WAVEFORMS
Signal amplitude and DC level shown at and @ respectively.
∆
78
DW2U
4.0 V
4.0 V
4.0 V
4.0 V
4.0 V
4.0 V
4.0 V
4.0 V
IT02 Pin 42 MPEG-DATA 1
IT02 Pin 47 MPEG-DATA 2
IT02 Pin 48 MPEG-DATA 3
IT02 Pin 50 MPEG-DATA 4 IT02 Pin 51 MPEG-CLK
8 9
5
IT02 Pin 54 MPEG-DATA 5
IT02 Pin 57 MPEG-DATA 6 IT02 Pin 59 MPEG-DATA 7/SER_DATA