Crest Audio X-RACK XR-20 -, Схематические диаграммы, Страница: 4 / 20

GRP3-4
MONO LEFT
BAL MIC IN
BAL LINE IN
INPUT
PREAMP
GAIN
12 - 70 dB
FOUR BAND EQ
LEVEL
LF LOW MID HI MID HF
HPF
LINE
27dB
PAD
PRE-SOURCE
SELECT
PRE
SOURCE
MUTE ?
SOLO DC
DIRECT OUT
PAN
+10
MONO L-R G1-2
MUTE
INSERT
SEND / RTN
+48V ON
EQ ON
FADER AMP
PRE-SOURCE
BUFFER
NO
YES
SOLO LEFT
MAIN
RIBBON
CABLE
-
34 WAY
X-RACK MONO INPUT MODULE
12 OR 8 MONO INPUTS AVAILABLE
INSERT
SEND / RTN
GROUP
OUT
X-RACK GROUPS
(1 OF 4 SHOWN) GROUP
MIX AMP
HPF
70Hz
-18dB/Oct
FREQ
INPUT
SIGNAL
LED
PRE
FADER
POST
FADER
AUX SENDS
1 THRU 6
GROUP-TO-MAIN
ASSIGN
SWITCHES
LEVEL LEVEL FREQ LEVEL
SOLO RIGHT
G3-4
BUS ASSIGN
SWITCHES
LEFT
BAL OUT
12 KHZ 400 - 8 KHZ 80 - 2 KHZ 80 HZ
X-RACK BLK DIA-REV1.1 - 5/08/01
PFL
AFL
SOLO
TRIGGER
CHAN
FADER
GC
A1-2
PRE
A 3
A 4
A3-4
PRE LEV 3
LEV 4
A 5
A 6
A5-6
PRE LEV 5
LEV 6
PRE
FADER
PRE
EQ
PRE
INSERT
DIRECT OUT
SOURCE
POST
FADER
PRE
FADER
REAR PANEL
LEVEL
1-2
BAL MIC IN
BAL LINE IN
GAIN
15 - 65 dB
FOUR BAND EQ - LEFT
LEVEL
LF LOW MID HI MID HF
LINE
27dB
PAD
PRE
SOURCE
MUTE ?
+10
MONO L-R G1-2
MUTE
A 1
+48V ON
EQ ON
FADER AMPS
PRE-SOURCE
BUFFERS
NO
YES
SOLO LEFT
X-RACK STEREO INPUT MODULE
4 OR 8 STEREO INPUTS AVAILABLE
MONO
FREQ
POST
FADER
L & R
A 2
AUX SENDS
1 THRU 6
LEVEL LEVEL FREQ LEVEL
SOLO RIGHT
G3-4
BUS ASSIGN
SWITCHES
12 KHZ 400 - 8 KHZ 80 - 2 KHZ 80 HZ
PFL
SOLO
TRIGGER
CHAN
FADER
A1-2
PRE
A 3
A 4
A3-4
PRE
LEV 3
LEV 4
PAN
1-2
PRE
FADER
PRE
EQ
REAR PANEL
BAL MIC IN
BAL LINE IN
INPUT
PREAMP
27dB
PAD
LF LOW MID HI MID HF
12 KHZ 400 - 8 KHZ 80 - 2 KHZ 80 HZ
FOUR BAND EQ - RIGHT
BAL
+10
A 5
A 6
A5-6
PRE
LEV 5
LEV 6
PRE-SOURCE
SELECT
PRE
FADER
PRE
EQ
LEFT
RIGHT
LEFT
RIGHT
LEFT
RIGHT
LEFT
RIGHT
PRE
FADER
L & R
PRE-AMP
OUT
L & R
GC
RIGHT
+10
PEAK
(AFL)
SIG
GROUP
LED
PRE
FADER
GROUP
BUS IN
TO GROUP
MIX-AMP
POST
FADER
GROUP
FADER
SOLO DC
SOLO LEFT
SOLO RIGHT
ODD GROUPS FEED
LEFT SOLO, EVENS
FEED RIGHT SOLO
AUX 1
OUT
X-RACK AUX BUSES 1-2
(STEREO PAIR)
AFL
GC
+10
SOLO DC
SOLO LEFT
SOLO RIGHT
INSERT
SEND / RTN
AUX
OUT
X-RACK AUX BUSES 3 THRU 6
(1 OF 4 SHOWN)
AUX
MIX AMP
AFL
GC
+10
AUX
MASTER
SOLO DC
SOLO LEFT
SOLO RIGHT
INSERT
SEND / RTN
AUX
MIX AMPS
AUX 2
OUT
GC
AUX 1-2
MASTER
+10
AUX 1
AUX 2
60MM
100MM
100MM
PRE
FADER
POST
FADER
L & R
MIXED
LEFT
RIGHT
PRE
EQ
L & R
MIXED
L-INSERT
SEND / RTN
X-RACK MAIN OUT
LEFT-RIGHT LEFT
MIX AMP
+10
PEAK
SIG
L / R
SIGNAL
LED
RIGHT
BUS IN
L-POST
FADER
LEFT
FADER
100MM
L-PRE
FADER
RIGHT
BAL OUT
R-INSERT
SEND / RTN
RIGHT
MIX AMP
+10
R-POST
FADER
RIGHT
FADER
100MM
R-PRE
FADER
30dB
PAD
MIC LEVEL
30dB
PAD
MIC LEVEL
LEFT
BUS IN
MONO
BAL OUT
M-INSERT
SEND / RTN
X-RACK MAIN OUT
MONO MONO
MIX AMP
+10
PEAK
(AFL)
SIG
MONO
SIGNAL
LED
M-POST
FADER
MONO
FADER
100MM
M-PRE
FADER
30dB
PAD
MIC LEVEL
MONO
BUS IN
SOLO DC
SOLO LEFT
SOLO RIGHT
AFL
PEAK
(PFL)
SIG
TO
PEAK
CIRCUIT
R
G
INPUT
SIGNAL
LED
PEAK
(PFL)
SIG
R
G
SOLO DC
TO
PEAK
CIRCUIT
G
R
G
R
G
R
+48V
+48V
GC
ALT
OUT
GC GC
LEVEL
1-2
A 1
A 2
PAN
1-2
ALT
LEVEL
GC GC
LEFT
PRE-FADER
RIGHT
PRE-FADER
ADD
MONO
MONITOR
OUT
GC GC
MONITOR
LEVEL
GC GC
SUM
MONO
L
R
L
R
TAPE IN AUX1-2 MONO L - R GRP1-2
MONITOR SOURCE SELECT
( SELECTED SOURCES ADD TOGETHER )
SOLO FEED
L - R
SOLO OFF
SOLO CTRL
AUDIO SOURCES FOR MONITOR - ALL PRE-FADER
TO
PHONES
HEADPHONE
LEVEL
L
R
SOLO FEED
L - R
SOLO
OFF
SOLO CTRL
HEADPHONE
AMPS
FROM
MONITOR
TAPE
IN
LEFT OUT
RIGHT OUT
TAPE-IN L
TAPE-IN R
MON-L
MON-R
MON-L
MON-R
ADD
MONO
(RECESSED)
MONO OUT
MONO PRE
TO
ALT-OUT
SOLO LEFT
SOLO RIGHT
SOLO
MIX AMPS
SOLO DC
SOLO
FEED
L - R
SOLO
CTRL
TO:
PHONES,
MONITOR
&
METERS
SOLO
CONTROL
LOGIC
+9
6
3
0
-3
6
9
12
15
18
21
24
SOLO FEED
L - R
SOLO CTRL
SOLO
ON
PWR
ON
LEFT OUT
RIGHT OUT
LED
METERS
FOLLOW SOLO,
NORMALLY SHOW
L / R OUT
TAPE-IN R
TAPE-IN L
TAPE IN
LEFT
TO:
PHONES
&
MONITOR
TAPE-IN
LEVEL
TAPE TO
L/R
AUX-1 BUS
AUX-2 BUS
LEFT BUS
RIGHT BUS
TAPE TO
AUX 1-2
ON
POWER
AC IN
100-240V
50 / 60 Hz
80W
X-RACK REAR PANEL:
AC INLET & SWITCH
UNIVERSAL INPUT-VOLTAGE
SWITCHING POWER SUPPLY
+17V
-17V
+12V
+48V
INTERNALLY FUSED AND
SHORT-CIRCUIT PROTECTED
TO POWER
DISTRIBUTION
RIBBONS
ANALOG
GROUND
AUX DC
GROUND
SAFETY
GROUND
TO CHASSIS
CHASSIS
GROUND
BNC CONNECTOR
FOR 12VOLT LAMP
( ON FRONT PANEL )
SHORT-CIRCUIT
PROTECTION
POLY
FUSES
FOR MODELS:
XR-20 : 12 MONO / 4 STEREO
XR-24: 8 MONO / 8 STEREO
GC
P
GAIN
ROTARY
POT PAD LED
AMP
PANEL
SWITCH
FADER
FET
SWITCH
BALANCED
DRIVER
ALL SWITCHES SHOWN IN THE UP (DESELECTED) POSITION
AMP(LIFIER) GAIN SHOWN IN DB WHEN NEEDED
WHEN SHOWN: 1/4” TRS SWITCHING JACKS HAVE NORMALLY CLOSED CONTACTS
USER OPTIONS IMPLEMENTED WITH REMOVABLE LINKS AND SOLDER BLOBS
DEFAULT OPTION POSITION SHOWN UNDERLINED
GROUND COMP
DRIVER
BICOLOR
LED
1/4” TRS
JACK
XLR
JACK
OBE
FRANK
ELECT
SWITCH
STANDARD OUTPUT LEVEL IS +4 dBu AT 0 VU
PIN 2 HOT ON ALL BALANCED INPUTS AND OUTPUTS (XLR JACKS)
FOR UNBALANCED OPERATION:
TIE PIN 3 TO PIN 1, USE PIN 2 FOR OUTPUT, PIN 1 FOR GND
“Ø” SYMBOL INDICATES POLARITY REVERSE
LEGENDS
USER OPTIONS
SOLDER
BLOB
FITTED
LINK
RCA
JACK
SOLO
LINK
IN OUT
Use 5-Pin DIN cable to
interconnect two Consoles
SOLO-LINK CONNECTORS.
USE 5-PIN DIN CABLE FROM
SLAVE CONSOLE OUT
TO MASTER CONSOLE IN
SOLO-LINK:
TIES SOLO AUDIO AND
CONTROL BETWEEN
CONSOLES. SLAVE SOLOS
SHOW UP ON MASTER
CONSOLE.
DC OUTPUT
-10dBV
-10dBV
+4dBu
TAPE IN
RIGHT
+4dBu