Manual
9 – Specifications : Block diagram
136 TASCAM DM-4800 User’s Manual
Block diagram
Figure 9.2: Block diagram
+4dBu Balance
LEFT
RIGHT
TALKBACK
P
CH01
FADER
+10dB...-Inf
SOLO
L
C
R
Rs
Ls
LFE
ST_L
ST_R
+10dB <> -50dB
TRIM
PAN
SURROUND PAN
1234 5678
LR
AUX1
AUX2
1
AUX3
23
4
56
SOLO
BUSS
STEREO AUX
16384sample
EFF1 SEND1..8
EFF1 RTN1..8
M
R
R
R
R
LEFT
RIGHT
STEREO OUT
1
2
3
4
-2dBu Pseudo Balance
-2dBu Pseudo Balance
+4dBu Balance
DAC
DAC
DAC
DAC
DAC
DIT
DIT
OUTPUT ROUTER
INPUT ROUTER
TALKBACK_MIC
LEVEL
ADC
x
2TR IN
LEFT
RIGHT
ADC
ANALOG PROCESSING
DIGITAL_IN
DIN-1
ADAT_IN
DIN-2
DIR
12
3
ADC
TRIM
+48V
PHANTOM/4ch
SEND
RTN
PAIR CH
ANALOG PROCESSING.
MIC/LINE PRE AMPL.
MIC
LINE
INSERT
SND2_01/02
RTN2_01/02
SND2_03/04
RTN2_03/04
SND2_05/06
RTN2_05/06
SND2_07/08
RTN2_07/08
OPTION_SLOT2, 4
IF-TD/DM
IF-AE/DM
IF-AN/DM
IF-AD/DM
IF-SM/DM
SND1_01/02 RTN1_01/02
SND1_03/04 RTN1_03/04
SND1_05/06 RTN1_05/06
SND1_07/08 RTN1_07/08
SND1_09/10 RTN1_09/10
SND1_11/12 RTN1_11/12
SND1_13/14 RTN1_13/14
SND1_15/16
RTN1_15/16
SND1_17/18
RTN1_17/18
SND1_19/20 RTN1_19/20
SND1_21/22 RTN1_21/22
SND1_23/24 RTN1_23/24
SND1_25/26
RTN1_25/26
SND1_27/28
RTN1_27/28
SND1_29/30 RTN1_29/30
SND1_31/32 RTN1_31/32
OPTION_SLOT1,3
EFFECT DSP D1,D2
PMUTE
PRE/POST
PHASE
EQ+DYN/DYN+EQ
EQ
DYN
4BAND
COMP/EXPANDER
M
M
D2
8 8
D1
INTERNAL EFFECTER
DIGITAL_OUT
8
8
DIR
IF-TD/DM
IF-AE/DM
IF-AN/DM
IF-AD/DM
IF-FW/DM
IF-SM/DM
MIC/LINE 1-24
ADC
1
2
ADC
3
4
ASSIGNABLE RETURNS
DOUT-1
DOUT-2
ADAT_OUT
ASSIGNABLE SENDS
RTN1_01/02
RTN1_03/04
RTN1_05/06
RTN1_07/08
RTN2_01/02
RTN2_03/04
RTN2_05/06
RTN2_07/08
RTN3_01/02
RTN3_03/04
RTN3_05/06
RTN3_07/08
TDIF 1-3
GATE
INS
M
AUX12
8
7
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
INS
IMAGE
to CH2
from CH2
COMP/EXP
FADER
+10dB...-Inf
INS
M
+
M
M
BUSS1-24 master section
BUSS1
CHANNEL 1-48 input module
COMP/EXP
FADER
+10dB...-Inf
M
+
M
M
AUX1-12 master section
AUX1
COMP/EXP
FADER
0dB...-Inf
+
M
M
STEREO master section
STEREO L
M
16bit
LEVEL
+10dB...-Inf
+
SOLO section
SOLO
16384sample
16384sample
16384sample
CASCADE in
Assignable Insert Send 1-16
INS
INS
DELAY
+
+
DELAY
+
COMP
DELAY
STUDIO L OUT
STUDIO R OUT
DIM
DIM
C.R L. OUT
C.R R. OUT
ST L
ST R
L
R
STUDIO
AUX07
AUX08
C.R.
TB
AUX05
AUX06
AUX01
AUX02
AUX03
AUX04
SOLO
BUSS13
BUSS14
BUSS15
BUSS16
BUSS09
BUSS10
BUSS11
BUSS12
BUSS05
BUSS06
BUSS07
BUSS08
BUSS01
BUSS02
BUSS03
BUSS04
2TR L_CR
2TR R_CR
L
R
M
M
DIRECT OUT CH01...48
+
+
+
+
+ ++ +
+ ++ +
+ ++ +
+ ++ +
+ ++ +
+ ++ +
++
++
++
++
+ ++ +
+ ++ +
++
++
+ +
+ +
+ ++ +
+ ++ +
+ ++ +
+ ++ +
+ ++ +
+ ++ +
++
++
++
++
+ ++ +
+ ++ +
++
++
+
AUX1-2 source (Ch1-24)
BUSS1..24 BUSS1...24
AUX1...12 AUX1...12
ST_L/R ST_L/R
SOLO SOLO
CASCADE
OSC
OSC section
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
MONITOR section
+
Switchable selector
+
Adder
CASCADE
OSC
CASCADE
BUSStoST
SOLO
SOLO
EFF2 RTN1..8
8
+
AUXtoST
+
+
+
BUSStoAUX1-2
+
+
+
+
+
Sine Wave or
Pink Noise or
White Noise
TDIF1-3 SEND
SLOT2, 4 SEND
SLOT1, 3 SEND
CASCADE SEND
Assignable Insert RTN 1-16
OUTPUT ROUTER
+
+
+
+
+
+
+
+
CH49
FADER
+10dB...-Inf
SOLO
AUX1
PRE/POST
M
AUX12
CHANNEL 49-64 input module
+
+
MUTE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Trigger1-8
Talk Back section
White Noise
CASCADE out
P
P
-20dB
8
EFF2 SEND1..8
PAD
SND1_33/34 RTN1_33/34
SND1_35/36 RTN1_35/36
SND1_37/38 RTN1_37/38
SND1_39/40 RTN1_39/40
SND1_41/42 RTN1_41/42
SND1_43/44 RTN1_43/44
SND1_45/46
RTN1_45/46
SND1_47/48
RTN1_47/48
8 8
Cs
Surround mode
PAN Follow: On/Off
Ch Link only
PAN
BUSS EVEN
BUSS ODD
Buss link:
On/Off
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Buss link: On/Off
L
C
R
Rs
Ls
LFE
SURROUND PAN
Cs
Surround mode
PAN ON/OFF
Preference
Preference
TO STUIDIO
TO SLATE
LEVEL
BUSS1-24/DIR1-24/DIR25-48
DIRECT
+
+
Dither
STEREO
SEL1
SEL2
SEL3
SEL4
SEL5
SEL6
+10dB <> -50dB
TRIM
P
PHASE
OL
SIG
M
M
+
+
+
+
OSC
2TR L_STUDIO
2TR L
2TR R
D IN1 L
D IN1 R
D IN2 L
D IN2 R
MONO
SND1_01/02
SND1_03/04
SND1_05/06
SND1_07/08
SND2_01/02
SND2_03/04
SND2_05/06
SND2_07/08
SND3_01/02
SND3_03/04
SND3_05/06
SND3_07/08
MUTE
DELAY
MUTE
SOLO
COMP
MUTE
MUTE
OSC
CASCADE
STtoAUX1-2
CASCADE
OSC
PMUTE
PMUTE
PMUTE
PMUTE
PMUTE
COMP
ADC
5
6
ADC
7
8
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
9
1
0
1
1
1
2
+
+
+
+
+
+
+
+
Buss link: On/Off
+
BUSS1
BUSS24
ST-L
ST-R
AUX1
AUX12
+
+
R
R
R
R
5
6
7
8
-2dBu Pseudo Balance
-2dBu Pseudo Balance
DAC
DAC
PMUTE
PMUTE
PMUTE
PMUTE
BUSS21
BUSS22
BUSS23
BUSS24
BUSS18
BUSS19
BUSS20
++
++
+ ++ +
+ ++ +
++
++
++
++
+ ++ +
+ ++ +
+
+
BUSS17
AUX11
AUX12
AUX09
AUX10
++
++
++
++
++
++
++
++
SMALL
STUDIO
CONTROL ROOM
(SMALL)
STUDIO
PHONES
PHONE LEVEL
LEFT
RIGHT
-2dBu Pseudo Balance
50mW+50mw/32ohm
PMUTE
PMUTE
LARGE
+4dBu Balance
CONTROL ROOM
(LARGE)
LEFT
RIGHT
R
R
+4dBu Balance
-10dBV Unbalance
+ + + + + + ++ + + + ++ + + + + + ++ + + + +
ST_L
ST_R
PAN
PAN Follow: On/Off
PAN
BUSS EVEN
BUSS ODD
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ + + + + + ++ + + + ++ + + + + + ++ + + + +
+
+
Buss link:
On/Off
+
BAL
LEVEL
STEREO R
PMUTE
PMUTE
2TR R_STUDIO
SLOT1 01-48
SLOT2 01-08
SLOT3 01-48
SLOT4 01-08
CASCADE BUSS 1-24/ AUX 1-2 source (Ch 25-48)
AUX1-2 source (Ch25-48)
CASCADE AUX 1-12
CASCADE STEREO
CASCADE SOLO