Studer OnAir 3000 Service Instructions

SCore Live
SCore Live 7Date printed: 28.02.11
2.1 Block Diagram
The upper part of the frame houses the DSP section. Its backplane contains
four buses, as shown below:
TDM Bus Time Division Multiplex bus for audio and control data transfer between DSP
and bridge cards
Sync Bus Transport of sync signals between Ext. Sync card and Bridge cards
System Clock Bus Internal synchronization bus
I
2
C Bus System monitoring (card detection, monitoring of local voltages and tem-
peratures).
PWR
SEC.
PSU
PWR
*
*
*
for OnAir 3000 operation only
24 V
24 V
SCoreie
ACPA E
 
OS
CAR
OA3
or
2 ACPA E
PO CAR
O Slot  O Slot ...2 2...
SP Slot  ...2
PO
CAR
Vita
SP CAR SP CAR SP CAR
E.
S C
CAR
PRAR PSU
 CAR
RS422
ERER
CAR
PRAR PSU
AUO O
CAR
AUO O
CAR
AUO O
CAR
AUO O
CAR
AUO O
CAR
Syte Clo 
Syn 

2
C 
SP CAR or
RE CAR
renant
RE
CAR
atie

2
C
A CORO
V3.0 an p
2.2 The Frame and its Cards
GPIO
Signal Processing (DSP)
Audio In/Out
Sync
PSU
GPIO
(Vista)
or
HOST
(OA3k)
1DSP Slot:
I/O Slot:
23456789
123456 910111278
As illustrated above, an SCore Live frame houses up to nine DSP cards in the
center of the upper frame section. It also holds up to two ( ) or one
( ) additional D21m GPIO card(s) at the left of the DSP cards.
The lower section is reserved for D21m audio I/O and GPIO cards (described
in a separate D21m Product Information brochure).

Studer OnAir 3000 Specifications

General

Brand	Studer
Model	OnAir 3000
Category	Music Mixer
Language	English