© 2003 Wohler Technologies Inc. ALL rights reserved
21
ATSC/DVB-3/SDI User Manual P/N 821557 Rev-A
Section 3: Technical Information
A
TSC/DVB-3/SDI Interconnect Block Diagram
AES
RCVR
6 Channel
Digital
LEFT FRONT
RIGHT FRONT
CENTER
LF EFX
L SURROUND
R SURROUND
to Analog
Converter
Phase
Indication
6 Channel
Level Interpreter
(919130)
3 Channel (L)
Bargraph Driver
(919107)
3 Channel (R)
Bargraph Driver
(919108)
Digital Decoder
PCB (
919129)
AC-3
Decoder
Left
Speaker
Right
Speaker
(All or Selected)
Channel Select
Channel Select
Channel Select
Input Source
Select (1 or 2)
Right
Left
Level Meter Bargraphs
(Channels 1-6)
IEC958 Type
Stream Detector
(
919140
)
(
AC3 or PCM
)
Stream Type Indicator LEDs
(1 or 2)
Pro-16
AC-3
INPUT
STATUS
PCM
Pro-16 Indicator LED
(Present or Not)
Host uP
OUT
IN
AVG
O
DISABLED
SELECTOR
ATSC/DVB-3/SDI Block Diagram
Volume
Audio Amplifier PCB
919100
or
919164
R
L
Middle
Speaker
(Woofer)
Right
Side
Speaker
Left
Side
Speaker
Balance
Headphone
Rear
Panel
(AES or AC-3)
Selected
Output
Source 1
(Unbal. 75
Ω
)
CH.B(R)
CH.A(L)
(Analog)
(Bal. 110
Ω
)
Input
2
1
Term
Loop
Loop
Input
Input
Source
Select
2
1
Rear
Panel
Indicator LED
Left
Indicator LED
DISABLED
SELECTOR
Right
(SDI)
Source 2
SDI Group/
Channel Select
SDI/AES Converter
919096
Output
Input
(Unbal. 75
Ω
)
GRP-
4
GRP-
3
GRP-
2
GRP-
1
Re-
Clock
SDI GROUP
2
1
5
6
4
3
SUBGROUP
2
1
04/28/03 Rev-A
