Block Diagram And Level Diagram - Yamaha IM8-24 Owner's Manual

Block Diagram and Level Diagram

24ch:CH1 to 24, 32ch:CH1 to 32, 40ch:CH1 to 40
CH INPUT
[-60dBu to -16dBu] PHANTOM
[-34dBu to +10dBu]
+48V
24ch : CH1 to 24
32ch : CH1 to 32
40ch : CH1 to 40
RE
INPUT A
HPF
[0dBu]
N
PAD HA
INPUT B
INV R
HPF
PAD GAIN
[-60dBu to -16dBu]
[-34dBu to +10dBu]
INSERT I/O
BA
[0dBu]
INV 4-Stage EQ
Inner Jumper
Pre EQ
J
(Factory set)
Pre FADER
DIRECT OUT Post FADER
[0dBu]
ST CH INPUT 1 to 4 EQ
PAD HA INV 4-Stage EQ
[0dBu]
LINE L
[-34dBu to +10dBu]
[-34dBu to
GAIN
+10dBu]
PAD HA INV 4-Stage EQ
LINE R
[-34dBu to +10dBu]
L(MONO)
RETURN 1-4
[+4dBu]
2TR IN
[-10dBv]
[-7.8dBu]
TB IN
[-50dBu]
Clip Level(CH INPUT A,B) Clip Level(ST CH LINE IN)
+30 dBu
+20 dBu
Clip Level
(CH)
CH INPUT A, B [+10dBu] ST CH LINE IN [+10dBu]
+10 dBu
0 dBu
INSERT I/O,
DIRECT OUT
[0dBu]
-10 dBu
CHINPUT A, B [-16dBu]
-20 dBu
-30 dBu
CH INPUT A, B [-34dBu] ST CH LINE I N [ -34 dBu]
-40 dBu
-50 dBu
CH INPUT A, B [-60dBu]
-60 dBu
PEAK
RE
YE 0dB
GR -20dB
CH Fader
PA N
COMP
INV INV BA
[0dBu] [0dBu] [0dBu]
[-10dBu]
80 1 CTRL
ON
COMP 2 YE
3
EQ
4
MUTE InnerJumper
PostEQ
(Factory set) J
PreEQ
[0dBu]
[-10dBu]
INV INV BA
[0dBu]
[0dBu]
RE
PEAK
YE
ST CH Fader
0dB
GR
0dB
BA
INV INV BA
SUM INV
MUTE
[0dBu]
1
CTRL
ON
2 YE
3
4
PFL
RETURN
[0dBu] [-6dBu] [0dBu]
BA BA
BA BA
R
(MINI JACK)
2TR IN
SUM INV BA
L
[0dBu]
[-6dBu]
USB IN(L)
SUM INV BA
R
USB IN(R)
TB
ON
[-5dBu] [0dBu]
[-11dBu]
HA BA
YE
(ON:BLINK)
LAMP1
[12V]
LAMP2
[12V]
LAMP3
[12V]
LAMP3 40ch
Clip Level
(RETURN)
Clip Level(USB IN)
Clip Level(2TR IN)
RETURN [+4dBu]
USB IN [0dBu]
2TR IN [-7.8dBu]
RETURN
RETURN 2TR IN
(PAD+BA)
[Nominal:-6dB] [Nominal:-6dB]
CH Fader
[Nominal:-10dB]
TB IN [-50dBu]
[0dBu]
1-2
3-4, 5-6
7-8
ST
MONO
PRE
AUX1 [-6dBu]
AUX2
AUX3-4
AUX5-6
PRE
AUX7
AUX8
PFL
[0dBu]
YE
[0dBu]
1-2
BAL
3-4, 5-6
7-8
ST
MONO
[0dBu]
[0dBu]
PRE
[-6dBu]
AUX1
AUX2
AUX3-4
AUX5-6
PRE
AUX7
AUX8
[0dBu]
[0dBu]
YE
1-2
3-4, 5-6
7-8
ST
MONO
[-6dBu] [-6dBu]
AUX1
AUX2
to
AUX3
[-6dBu]
AUX4
PFL
YE
[-6dBu]
ST
[0dBu]
MONO
PFL
YE
[0dBu]
ST+MONO
AUX1-2
AUX3-4
AUX5-6
AUX7-8
GROUP1-8
M1-2
M1 BUS
M2 BUS
M3-4
M3 BUS
M4 BUS
AFL(GROUP)
GROUP
BUS(GROUP, ST, MONO, PFL, AFL)
AFL(ST, MONO, AUX) INSERT I/O [0dBu]
BUS(AUX)
AUX INV
AUX(CH, RETURN)
[Nominal:-6dB]
TB
[Nominal:-6dB]
Clip Level(TB)
PEAK
0dB
INSERT
-20dB
[0dBu]
GROUP
ON
[+4dBu]
SUM INV BA
[0dBu] [-10dBu]
YE
AF L
GR
ST
PA N
[+4dBu]
MONO
[+4dBu]
AFL
[+4dBu]
GR
INSERT
[0dBu]
ST L
[0dBu]
[0dBu]
SUM INV BA
[0dBu]
[-10dBu]
INSERT
YE ON
[0dBu]
[0dBu]
SUM INV BA
PFL
ST R
[0dBu]
YE
PEAK
INSERT 0dB
[0dBu] MONO -20dB
ON
SUM INV BA
[0dBu]
[0dBu] [-10dBu]
YE
AFL
[+4dBu]
GR
ST SUM INV
[0dBu]
MONO SUM INV
USB OUT(L)
USB OUT(R)
PEAK
INSERT
0dB
[0dBu] AUX
-20dB
SUM INV BA
[0dBu] [0dBu]
[-10dBu]
AFL
[+4dBu]
GR
AFL MUTE
SUM
[0dBu]
SUM
SUM SUM BA
[0dBu] [-6dBu]
[0dBu]
MONITOR
SUM SUM BA
AFL
PA
GR [-16dBu] [+4dBu]
PHONES
CTRL
PFL
YE PA
MUTEMASTER
1
USB OUT(L)
RED
[0dBu]
2
POWER USB OUT(R)
CTRL
RED
GR
3
RED USB IN(L)
4
[0dBu]
USB IN(R)
RED
Clip Level
(ST, MONO, AUX)
Clip Level(GROUP)
Clip Level
(REC OUT)
ST OUT, MONO OUT,
GROUP OUT [+4dBu] AUX SEND [+4dBu] MATRIX(GROUP)
ST, MONO, AUX
INSERT I/O [0dBu] MATRIX(ST, MONO)
REC OUT [-10dBV]
GROUP Fader ST, MONO, AUX Fader
[Nominal:-10dB] [Nominal:-10dB]
GROUP OUT
1-8
G1
[+4dBu]
M1-4 BUS(from TB)
[+4dBu]
G2
G3
G4
MATRIX
MTRX OUT
G5
SUM INV 1-4
[0dBu]
G6 [-6dBu]
[+4dBu]
G7
G8
L
[0dBu]
R
MONO
AFL
[0dBu]
[+4dBu]
GR
L
ST O UT
[+4dBu]
R
MONOOUT
[+4dBu]
L
RECOUT
[-10dBV]
[-7.8dBu]
R
AUX SEND
1-8
[+4dBu]
PE A K
+10
+6
+3
0
-3
-6
-10
-15
-20
-25
-30
DR
DR
DR
DR
L
MONITOR OUT
[+4dBu]
R
PHONES
[3mW 40ohms]
USB
LPF
LIN
D-
USB
LPF
RIN AUDIO
D+
LO
GND
RO
LPF
( Bus Powered)
Vbus
LPF
+30 dBu
Clip Level(MATRIX) Clip Level(MONITOR) +20 dBu
Clip Level(PHONES) +10 dBu
MATRIX SUM MATRIX OUT [+4dBu] MONITOR OUT [+4dBu]
0 dBu
MATRIX
(GROUP, ST, MONO) PHONES [3mW@40ohms]
[Nominal:0dB]
MATRIX
[Nominal:-6dB] - 10 dBu
PHONES M ONITOR
- 20 dBu
[Nominal:-16dB] [Nominal:-6dB]
- 30 dBu
- 40 dBu
- 50 dBu