26
CIRCUIT INFORMATION-MPEG
STA R T
Bi t CLK
P A C K E T
D7
E R R O R
First bit of the packet
Data Parity
Parity
Useful Data
1 Packet
RS0 = 0
RS0 = 1
Serial Data Output Timing
Serial Output Timing
(2) Related with LNB.
1) LNB power and 22khz Tone Pulse
The power supplied to LNB sends the 22Khz Tone signal that is used in horizontal(18V), vertical(13V) and frequency
Band and Diseqc Command.
Chart 6. LNB Control signals
22KHZ Tone Spec is
Function
High
Low
H/V
Horizental(18v)
Vertical (13v)
22Khz-ON
22Khz ON
22Khz OFF
LNB-ON
LNB ON
STD BY
AUX/IRD
IRD MODE
AUX MODE
(Loop Through)
(External SAT)
22Khz Tone Pulse
Summary of Contents for DSI-9100
Page 5: ...4 SCHEMATIC DIAGRAM ...
Page 6: ...5 SCHEMATIC DIAGRAM ...
Page 7: ...6 SCHEMATIC DIAGRAM ...
Page 8: ...7 SCHEMATIC DIAGRAM ...
Page 9: ...8 SCHEMATIC DIAGRAM MPEG STI5518 ...
Page 10: ...9 SCHEMATIC DIAGRAM MPEG CIMAX ...
Page 11: ...10 SCHEMATIC DIAGRAM MPEG MEMORY 27M ...
Page 12: ...11 SCHEMATIC DIAGRAM MPEG VIDEO ...
Page 13: ...12 SCHEMATIC DIAGRAM MPEG AUDIO ...
Page 14: ...13 SCHEMATIC DIAGRAM MPEG POWER RS 232 VCR CON ...
Page 15: ...1 Block Diagram 14 CIRCUIT INFORMATION MPEG ...
Page 24: ...23 CIRCUIT INFORMATION MPEG EMI Interface Timing ...
Page 59: ...58 PCB CIRCUIT BOARD 1 MAIN PCB Circuit Board ...
Page 60: ...59 PCB CIRCUIT BOARD 2 MPEG PCB Circuit Board ...
Page 61: ...60 INSTRUMENT DISASSEMBLY 1 PACKING ASS Y ...
Page 62: ...61 INSTRUMENT DISASSEMBLY 2 FRONT PANEL ASSEMBLY 1 7H32D ...
Page 63: ...62 INSTRUMENT DISASSEMBLY 2 4J32D ...
Page 64: ...63 INSTRUMENT DISASSEMBLY 3 SET TOTAL DISASSEMBLY ...
Page 76: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp ...