User manual

© 2004 Wohler Technologies Inc. ALL rights reserved
28
AMP2-VSD and AMP2-VSDA User Manual P/N 821581 Rev-B
AMP2-VSDA Interconnect Block Diagram
Section 3: Technical Information
2
Right
4
3
3
1
4
Left
1
2
SELECTED
OUTPUT
L-R
Chan. B (Right) Chan. A (Left)
R
L
Audio Amplifier PCB
919209-2
D/A 1
Converter
SDI IN
SDI OUT
SDI/AES Converter
919096
Re-
Clock
SDI to AES
Converter
AES IN 1
Dual Input
AES to Analog
Converter
919050
AES IN 2
Digital Input
Source Select
AES
AES
SDI
AES OUT 2
(From-SDI)
AES
AMP2-VSDA Interconnect Block Diagram
SDI Status LED
AES 1
SDI SDI
LEFT
Speaker
Source
Select
Rear
Panel
3412
AES Term
DIP Switch
21
AES OUT 1
AES Gain Calib.
DIP Switch
Phase
Indication
PCB
919084
Headphone
Volume Balance
Woofer
Channel Speaker
Left
Channel Speaker
L
3
4 2
1
CONVERTED
ANALOG
OUT
1-4
4
3
2
1
1
A D D A
4 3
D A D A
2
D/A 2
Converter
2/4 Switch PCB
Plugin Module
919083
Analog/
Digital
Source Select
ANALOG
DIGITAL
Phase
Indication
Right
Channel Speaker
R
AES IN 1
AES IN 2
ANALOG
INPUT
1-4
1
2
3
4
AES
Status
LEDs
AES 2
(Rev-A, 06/28/04)
Digital Input Impedances: BNC = 75
Ω, Unbalanced
XLR-F = 110
Ω, Balanced
Analog Input Impedances: XLR-F = 70K
Ω, Balanced
AES BAL. IN
919111
919202 PCB
RIGHT
Speaker
Source
Select
919202 PCB
8 91023 75641
Level Meter
Alt. Scales,Peak Hold,
PPM Ballistics and Phase
Correlation DIP Switch
Analog Input, 4-Channel
Level Meter Engine PCB
(919174)
CH.3 CH.4 CH.2 CH.1
243
53-Seg
Bargraph
Driver PCB
919190
1
53-Segment
Level Meters
1-2
53-Segment
Level Meters
3-4
Bargraph
Disply
brightness
Adjust
Level Meter Ref. Level, Display
Mode, Auto-Calib. DIP Switch
53-Seg
Bargraph
Driver PCB
919190
= BNC, Female
= Phoenix, 3-Pin, Male
Connector Legend
= XLR-M, 3-Pin, Male = XLR-F, 3-Pin, Fem.