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DIGITAL SOUND CONTROLLER
SINGLE CHIP ANALOG SOUND PROCESSOR
FEATURES
PACKAGE
• Capable of controlling functions with serial data
6-input selector
5band tone control (0, ±3, ±6, ±10dB)
Bass boost (loudness type) [ON/OFF]
Surround (using external delay) [ON/OFF]
Voice cancel (stereo) [ON/OFF]
Multilingual record switching [L only/R only]
Electric volume 32steps ( 0dB ~ ∞ )
SW mode for control of DPL and other sound
fields 3 lines for Rec output,2 lines for port output
• Supporting digital delay
• Input/output of adapter supporting karaoke control
Outline 80P6N
Pitch : 0.8 mm
Size : 20.0 mm X 14.0mm
X 2.8mm
APPLICATION
Home Audio equipment,Radio-Cassette tape recorder,TV
RECOMMENDED OPERATING CONDITIONS
Supply voltage range • • • • ±4.5 ~ ±7.3V
Rated supply voltage • • • • ±7 V
RECOUT 2
(3-Outputs)
SYSTEM BLOCK DIAGRAM
IN A
IN B
IN C
IN D
IN E
IN F
6-Input
selector
KEY1
SW FOR:
Multilingual
switching
Vocal cancel
Surround
DPL and
other modes
KEY2
OUT1
Tone
PORTA
PORTB
OUT2
Bass boost
Electric
volume
µ -com Interface
LATCH
D - 62433Q - 78A
DATA
CLK
RECOUT1 (3-Outputs)
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BUFOUT2
AVDD
DGND
LATCH
DATA
CLOCK
DVDD
PORTB
PORTA
BUFOUT1
BUFNF1
BUFIN1
BB1
10 11 12 13 14 15 16 17 18 19
F1O1
9
F1F1
8
FIN1
7
REC1B
6
REC1A
5
REC1C
4
SW15
F4O1
KEYOUT1
KEYIN1
P/S C
DELAY OUT
F4F1
F3IN1
F3O1
F3F1
F2IN1
F2O1
F2F1
F1IN1
SW3 SW5
B
B
B
100K
SW7
A
A
F
E
D
B
C
20K
A
SW1
SW2
A
B
F4IN1
A
SW11-1
B 20K
A
B SW8
SW9
A 20K
20K
20K
20K
100K
SW12-1
B
5-Element Graphic Equalizer
A SW17
B
SW11-2
SW12-2
SW16
F5F1
3
G=2.4î{
A
B
B
SW10-1
SW10-2
B
B
A
SW18
A
SW13
A
SW14
G=2.4î{
5-Element Graphic Equalizer
FOUT11
5K
8.5K
20K
VOLIN1
2
SW19
µ -COM
interface
Logic
SW20
45
8.5K
100K SW22
VOLOUT1
1
20 21 22 23 24
BUFNF2
44 43 42 41
BUFIN2
100K
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
IN2A
AVSS
AGND
IN1A
IN1B
IN1C
IN1D
IN1E
IN1F
DELAYIN
5K
IN2B
BPFOUT
SW21
C
KEYIN2
100K
100K
IN2C
KEYOUT2
100K
D
MIC IN
10
IN2D
REC2C
0K
0K
E
REC2A
10
IN2E
REC2B
25
SW4 SW6
FIN2
26
F
F1F2
27
IN2F
F1O2
28
A
F1IN2
29
B
F2F2
30
A
F2O2
31
BPFIN
F2IN2
32
52 51 50 49 48 47 46
F3F2
58 57 56 55 54 53
F3O2
33
61 60 59
F3IN2
64 63 62
F4F2
34
A
F4O2
35
B
F4IN2
37 36
B
F5F2
38
A
FOUT2
39
B
VOLIN2
40
A
VOLOUT2
BB2
IC Internal
Block Diagram
DIGITAL SOUND CONTROLLER
D - 62433Q - 78A
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DIGITAL SOUND CONTROLLER
Pin Description
Pin No.
Symbol
Function
72
AVSS
Negative power supply to internal analog circuit
73
AGND
GND of internal analog circuit
74,75,76
77,78,79
71,70,69
68,67,66
IN1A,IN1B,IN1C
IN1D,IN1E,IN1F
Input pin at the side of channel1
IN2A,IN2B,IN2C
IN2D,IN2E,IN2F
Input pin at the side of channel2
80
DELAYIN
1
DELAYOUT
2
P/S C
3,63
4,62
KEYIN1
KEYIN2
KEYOUT1
KEYOUT2
64
BPFOUT
65
BPFIN
5,60
6,59
7,58
8,57
9,46
10,45
11,54
12,53
13,52
D - 62433Q - 78A
REC1A
REC2A
REC1B
REC2B
REC1C
REC2C
FIN1
FIN2
F1F1
F1F2
F1O1
F1O2
F1IN1
F1IN2
F2F1
F2F2
F2O1
F2O2
(R-L) output pin for surround. Connected to the input
of delay circuit. Total load resistance is 20kΩ
(R-L) input pin for surround.
Connected to the output of delay circuit.
Phase shift filter pin for surround
Key control adapter output pin. Connected to the input
of key control circuit etc. Total load resistance is 20kΩ
Key control adapter input pin.
Connected to the outputof key control circuit
Band-pass filter amplifier output pin for voice cancel
Band-pass filter amplifier input pin for voice cancel
Rec output pin A
Rec output pin B (with mute SW)
Rec output pin C (with mute SW)
total load
resistance ;
min. 20KΩ
Tone input pin (Surround adapter OUT)
Pin for connecting resonance impedance (band filter)
of the 1st element
Output pin of resonance buffer amplifier of the 1st element
Input pin of resonance buffer amplifier of the 1st element
Pin for connecting resonance impedance (band filter)
of the 2nd element
Output of resonance buffer amplifier of the 2nd element
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Pin No.
14,51
15,50
16,49
17,48
18,47
19,46
20,45
21,44
22,43
23,42
24,41
25,40
26,39
27,38
28,37
DIGITAL SOUND CONTROLLER
Symbol
F2IN1
F2IN2
F3F1
F3F2
F3O1
F3O2
F3IN1
F3IN2
F4F1
F4F2
F4O1
F4O2
F4IN1
F4IN2
F5F1
F5F2
FOUT1
FOUT2
VOLIN1
VOLIN2
VOLOUT1
VOLOUT2
BB11
BB12
BUFIN1
BUFIN2
BUFNF1
BUFNF2
BUFOUT1
BUFOUT2
Function
Input pin of resonance buffer amplifier of the 2nd element
Pin for connecting resonance impedance (band filter)
of the 3rd element
Output pin of resonance buffer amplifier of the 3rd element
Input pin of resonance buffer amplifier of the 3rd element
Pin for connecting resonance impedance (band filter)
of the 4th element
Output pin of resonance buffer amplifier of the 4th element
Input pin of resonance buffer amplifier of the 4th element
Pin for connecting band filter of the 5th element
Tone output pin. Capacitor is combined for connection
with the next stage.
R-ladder volume input pin
R-ladder volume output pin
Bass boost capacitance connection pin.
Sets frequency characteristics.
+input pin of bass boost output amplifier
-input pin of bass boost output amplifier
Output pin of bass boost output amplifier
29
PORTA
Output of port A
30
PORTB
Output of port B
31
DVDD
32
CLOCK
Clock input pin for serial data transfer
33
DATA
Input pin of control data.
Reads data at the rising edge of clock.
D - 62433Q - 78A
Power supply to internal logic circuit
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DIGITAL SOUND CONTROLLER
Pin No.
Symbol
34
LATCH
Input pin of latch signal. The circuit status changes
at the rising edge of latch signal.
35
DGND
GND pin of internal logic circuits
36
AVDD
Positive power supply pin of internal analog circuits
61
MIC IN
Microphone input pin
D - 62433Q - 78A
Function
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DIGITAL SOUND CONTROLLER
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
AVDD,AVSS
DVDD
Conditions
Ratings
Unit
Analog Power supply
±7.5
V
Digital Power supply
6.0
V
Ta ≤ 25°C
1370
mW
Ta > 25°C
13.7
mW/°C
Pd
Power dissipation
K
Thermal derating
Attached PC Board*
Topr
Operating temperature
-20 ~ +75
°C
Tstg
Storage temperature
-55 ~ +125
°C
Thermal derating
(Maximum ratings)
1.5
Power dissipation
pd
[W]
*Note : PC Board
PC Board Size
140 mm X140 mm
PC Board Thickness
1.6 mm
PC Board Material
Epoxy
Copper Film Thickness
18 µm
Copper Foil Size
0.25 mm X 50 mm
1.37W
1.0
685mW
0.5
0
0
25
50
75
100
125
150
Ambient Temperature Ta [°C ]
D - 62433Q - 78A
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DIGITAL SOUND CONTROLLER
RECOMMENDED OPERATING CONDITIONS
( Ta=25°C, unless otherwise noted )
Parameter
Symbol Conditions
MIN
TYP
MAX
Unit
Analog (+) power supply
AVDD
Note 1
4.5
7.0
7.3
V
Analog (-) power supply
AVSS
Note 1
-4.5
-7.0
-7.3
V
Digital power supply
DVDD
4.5
5.0
5.5
V
Logic
” H ” Level
input voltage
VIH
DVDD-0.7
VDD
V
Logic
” L ” Level
input voltage
VIL
0
DVDD≤AVDD
DGND+0.7
V
Note 1: The sequence of the power supply is as follows.
AVDD
AVSS
DVDD
TIMING DIAGRAM
Latch Signal
H
DATA
D0
D1
D6
D7
D0
L
H
CLOCK
L
H
LATECH
L
LATCH reading mode;
The rising edge of the LATCH signal
DATA reading mode;
The rising edge of the CLOCK signal
D - 62433Q - 78A
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DIGITAL SOUND CONTROLLER
CLOCK DATA TIMING
t
cr
75%
CLOCK
25%
tr
t
WHC
t
f
t
WLC
75%
DATA
25%
t
t
r
t
SD
t
t
t
f
t
HD
WHC
t
r
75%
SL
25%
LATCH
DIGITAL CIRCUIT AC CHARACTERISTICS
Symbol
t cr
t WHC
t WLC
tr
tf
t SD
t HD
t SL
t WHL
Parameter
CLOCK cycle time
Min
Unit
4
CLOCK pulse width ( ” H ” level )
CLOCK pulse width ( ” L ” level )
1.6
1.6
C L O C K , DATA , LATCH r i s e t i m e
C L O C K , DATA , LATCH f a l l t i m e
0.4
0.4
µ sec
0.8
0.8
1
DATA s e t u p t i m e
DATA h o l d t i m e
LATCH s e t u p t i m e
LATCH p u l s e w i d t h
D - 62433Q - 78A
Limits
typ Max
1.6
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DIGITAL SOUND CONTROLLER
DATA FORMAT
4 patterns input formats can be selected by setting D6 and D7.
( When the IC is powered up, the internal settings are not fixed. )
(1)
DO1
Rec out A
S W 3,4
1 : Mute
0 : Pass
(2)
D11
D21
D31
D41
Rec out B For the multiplex softwere
SW9
S W 5,6
SW7
SW8
1 : Mute 1 : A side 1 : A side 1 : A side
0 : Pass 0 : B side 0 : B side 0 : B side
DO2
D12
D22
D32
S W 11-1,2
S W 12-1,2
S W 13
S W 21,22
S W 14
D42
DO3
D13
D23
For Tone control (element)
Refer to the Tone Control 1 Code
D33
D7
S W 10-1
S W 10-2
1 : ON
0 : OFF
0
0
D52
D6
D7
0
1
D6
D7
1
0
D54-1
D6-1
D7-1
0
1
1
D54-2
D6-2
D7-2
1
1
S W 17,18 S W 15,16
1:Aside/ON 1 : A side 1 : A side 1 : A side 1 : A side
0:Bside/OFF 0 : B side 0 : B side 0 : B side 0 : B side
(3)
D6
D51
D43
1 : A side
0 : B side
D53
For Tone control (gain)
Refer to the Tone Control 2 Code
Bass Boost SW15,16 A / B
(4-1)
DO4-1
D14-1
D24-1
D34-1
D44-1
For Master Volume
Refer to the Master Volume Code
(4-2)
DO4-2
D14-2
D24-2
D34-2
D44-2
For Input selector
Refer to the Input selector Code
D - 62433Q - 78A
D13
0
1
1
0
0
1
1
D23
1
0
1
0
1
0
1
Boost
Tone 1 (F1)
Tone 2 (F2)
Tone 3 (F3)
Tone 4 (F4)
Tone 5 (F5)
Bass
ON
Boost OFF
D03
0
0
0
1
1
1
1
( 6 ) Tone control 2 code (gain)
D33
D43 D53
+0 dB
0
0
0
+3 dB
1
0
0
+6 dB
0
1
0
+9 dB
0
1
1
-0 dB
1
0
0
-3 dB
1
0
1
-6 dB
1
0
1
1
1
-9 dB
1
Cut
( 5 ) Tone control 1 code (element)
1
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DIGITAL SOUND CONTROLLER
( 7 )Master volume code
A T T
— 0.0dB
— 2.0dB
— 4.0dB
— 6.0dB
— 8.0dB
—10.0dB
—12.0dB
—14.0dB
—16.0dB
—18.0dB
—20.0dB
—22.0dB
—24.0dB
—26.0dB
—28.0dB
—30.0dB
—32.0dB
—34.0dB
—36.0dB
—38.0dB
—40.0dB
—44.0dB
—48.0dB
—52.0dB
—56.0dB
—60.0dB
—64.0dB
—68.0dB
—72.0dB
—76.0dB
—80.0dB
—∞
( 8 ) Port output code
D04
D14
D24
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
DATA
D34 D44
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D 32-2
D 44-2
0
1
0
1
Port output
Port A : L
Port A : H
Port B : L
Port B : H
( 9 ) Multilingual record code
Normal
Lch only
Rch only
R/L Exchange
D21
0
0
1
1
D31
0
1
0
1
( 10 ) Input selector code
Selector
A
B
C
D
E
F
All off
D14-2 D14-2 D24-3
0
0
0
0
0
1
0
0
1
1
0
1
1
0
0
1
1
0
1
1
1
( 11 ) The others code
MODE
SW21,22
SW17,18
SW10-1
SW10-2
SW15,16
NORMAL
STEREO
B side
B side
B side
B side
B side
A side
B side
B side
)
A side
A side
B side
B side
KEY CONTROL
MODE
A side
A side
A side
B side
DPL MODE
B side
B side
A side
A side
For voice cancel
D41=1
D02=1
D12=0
D32=0
SW9 : A side
SW11,12-1 : ON
SW11,12-2 : A side
SW13 : B side
SW14 : B side
STEREO
+ MIC
MIX
MODE
Source
(
+ Key control
For Surround
D41=0
D02=1
D12=1
D32=1
D - 62433Q - 78A
SW9 : B side
SW11,12-1 : ON
SW11,12-2 : A side
SW13 : A side
SW14 : A side
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DIGITAL SOUND CONTROLLER
ELECTRICAL CHARACTERISTICS
( Ta=25°C,AVDD=7.0V,AVSS=-7.0V,DVDD=5.0V ,f=1kHz
Tone control & Bass Boost setting :0dB , unless otherwise noted )
( 1 ) Power supply
Parameter
Symbol
Circuit current (Analog +)
AIdd
Circuit current (Analog -)
AIss
Circuit current (Digital )
DIdd
Conditions
AVDD=7.0V, AVSS= -7.0V
ISINK of 36pin
No signal input
AVDD=7.0V, AVSS= -7.0V
ISOURCE of 72pin
No signal input
DVDD= 5V
ISINK of 31pin
No signal input
Limits
Min
-48
typ
Max
40
48
mA
mA
-40
0.5
Unit
1.0
mA
Limits
typ Max
Unit
( 2 ) Input/Output
Parameter
Input impedance
Maximum input voltage
Symbol
Conditions
Min
Rin
66 ~ 71pin,74 ~ 79Pin,Ta=25°C
20
47
3.0
4.0
(66 ~ 71pin input),(74 ~ 79pin input)
28,37pin output
VIM
100
KΩ
Vrms
RL =4.7KΩ , THD=1%
Vodc
28pin,37pin,No input signal
-0.1
0
0.1
V
Vrecdc
5pin,60pin, No input signal
-0.1
0
0.1
V
Output terminal voltage
I/O voltage gain
Gv
Vono
Output noise voltage
Vrecno
THD
Distortion
THDrecB,C
28,37pin
JIS-A filter
ATT0
No ininput signal
ATTM
Rg=10KΩ
FLAT
6,59pin
7,58pin
28pin,37pin, BW=400 ~ 30kHz
Vi= -20dBv , RL=4.7KΩ
(6,59pin),(7,58pin),BW400 ~ 30kHz
Vi=-20dBv , RL=20KΩ
12.0 14.0
dB
55.0 70.0 µ Vrms
5.0
15
µ Vrms
20.0
30
µ Vrms
0.01
0.05
%
0.01 0.05
%
CT
Vo=0.5Vrms , RL=4.7KΩ,JIS-A
28pin—37pin Rg=0KΩ, 61pin GND
-75
-55
dB
CTrec
Vo=0.5Vrms , RL=20KΩ,JIS-A
6pin—59pin Rg=0KΩ, 61pin GND
-75
-55
dB
Channel separation
D - 62433Q - 78A
Vin=1Vrms,FLAT,(66 ~ 71Pin),
(74 ~ 79Pin)-28,37Pin 10.0
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MITSUBISHI SOUND PROCESSORS
L I Mnot a fitnsaare s
E
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i
is
P
his
c lim
ubj
M62433FP
; T metri
ice
Not e para
som
DIGITAL SOUND CONTROLLER
( 3 ) Tone Control
Parameter
Symbol
Conditions
Gboost1
3dB
Gboost2
6dB
Min
Limits
typ Max
Unit
1.5
3
4.5
dB
4.5
6
7.5
dB
8.0
10
12.0
dB
-4.5
-3
-1.5
dB
-7.5
-6
-4.5
dB
-12.0 -10
-8.0
dB
+1.5
dB
f=1KHz,Vo=1Vrms
Voltage gain
(Tone control)
Balance between channels
Gboost3
10dB
Input ;8pin,57pin
Output ;22pin,43pin
Gcut1
-3dB
Gcut2
-6dB
Gcut3
-10dB
BALton
f=1KHz,Vo=1Vrms,
Input;8,57Pin Output;22,43Pin -1.5
+10dB and -10dB
0
( 4 ) Bass Boost
Parameter
Voltage gain
(Bass boost)
Balance between channels
Symbol
Gboost
Conditions
f=70Hz,Vo=0.5Vrms
Input ; 23,42pin
Output ; 27,38pin
Min
Limits
typ Max
Unit
-10
-6
-2
dB
f=70Hz ,Vo=0.5Vrms
BALton Input ; 23,42Pin
-2.0
Output ; 27,38pin, Bass boost ON
0
+2.0
dB
( 5 ) PORT OUTPUT
Parameter
Symbol
Conditions
Min
Limits
typ Max
Unit
5.4
6.0
V
-3
0
3
uA
0.7
3
mA
VpHA
Minimum "H" voltage
VpHB
RL=1.8kΩ
IpLA
Maximum "L" leak current
IpLA
Maximum drive current
D - 62433Q - 78A
IpD
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSORS
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M62433FP
; T metri
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DIGITAL SOUND CONTROLLER
Master volume circuit
— 0dB
3477
— 2dB
2758
+
-
— 4dB
2192
— 6dB
1739
— 8dB
1383
—1 0 d B
1097
Master volume code
—1 2 d B
3016
5968
—1 4 d B
2396
—1 6 d B
1903
—1 8 d B
1512
—2 0 d B
1200
—2 2 d B
954
—2 4 d B
758
—2 6 d B
11723
3084
—2 8 d B
9312
—3 0 d B
7533
—3 2 d B
CL
5740
—3 4 d B
4667
—3 6 d B
3707
—3 8 d B
2945
—4 0 d B
4197
—4 4 d B
2648
—4 8 d B
1671
—5 2 d B
1054
—5 6 d B
665.5
—6 0 d B
1357
1605
—6 4 d B
857.8
—6 8 d B
540.5
—7 2 d B
342
—7 6 d B
214.2
—8 0 d B
262.5
A T T
D04
D14
D24
D34
— 0.0dB
— 2.0dB
— 4.0dB
— 6.0dB
— 8.0dB
—1 0 . 0 d B
—1 2 . 0 d B
—1 4 . 0 d B
—1 6 . 0 d B
—1 8 . 0 d B
—2 0 . 0 d B
—2 2 . 0 d B
—2 4 . 0 d B
—2 6 . 0 d B
—2 8 . 0 d B
—3 0 . 0 d B
—3 2 . 0 d B
—3 4 . 0 d B
—3 6 . 0 d B
—3 8 . 0 d B
—4 0 . 0 d B
—4 4 . 0 d B
—4 8 . 0 d B
—5 2 . 0 d B
—5 6 . 0 d B
—6 0 . 0 d B
—6 4 . 0 d B
—6 8 . 0 d B
—7 2 . 0 d B
—7 6 . 0 d B
—8 0 . 0 d B
—∞
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D44
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
—∞
D - 62433Q - 78A
MITSUBISHI
ELECTRIC
( 13 /
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MITSUBISHI SOUND PROCESSORS
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c lim
ubj
M62433FP
; T metri
ice
Not e para
som
DIGITAL SOUND CONTROLLER
Function description
( 1 ) Voice cancel block equivalent circuit
(L+C)
L(h+m/2 +1)
+ C ( h + 1 ) —R m / 2
(h+m+l)
—
(R+L+2C)
(h+m+l)
+
BPF/
-6dBATT
(R+L+2C)
m/2
—
(R+C)
R(h+m/2 +1)
+ C ( h + 1 ) —L m / 2
(h+m+l)
( 2 ) Surround block equivalent circuit
L+C
R—L
—
2L—R+C
+
2R—L+C
Pass
or
Delay
R+C
D - 62433Q - 78A
—
MITSUBISHI
ELECTRIC
( 14 /
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MITSUBISHI SOUND PROCESSORS
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c lim
ubj
M62433FP
; T metri
ice
Not e para
som
DIGITAL SOUND CONTROLLER
( 3 ) Tone control equivalent circuit
R3
FBASS
Center frequency
C1
f0 = 1 / 2π
OUT
BASS
C1 • C2 • R1 • R2 [Hz]
R1
Q=
C2
( C2 • R2 ) / C1 ( C1+R1 )
Example; Bass band ( f=150Hz )
R1=1.5KΩ, R2=56KΩ
C1=1.5 µ, C2=0.01 µ
INBASS
R2
F1
F2
F3
F4
R1
1.0k
1.0k
1.0k
1.0k
R2
300k
300k
300k
150k
F5
Fig.1 The equivalent circuit of tone controller
C1
Fig.2 is equivalent to Fig.1
To convert component constants,
the equation below is used.
L
L=C2 • R1 • R2
R1
Fig.12 The equivalent circuit using L
D - 62433Q - 78A
MITSUBISHI
ELECTRIC
( 15 /
21 )
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R
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; T metri
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Not e para
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
( 4 ) Bass boost equivalent circuit
12.6K
5.97K
11.7K
RL=
3.08K
55.8K
57K
ZL
1.6K
3.57K
CL
Bass Boost loudness equivalent circuit (Center tup type)
1
Regard "RL+ ÷CL
" as "ZL"
Next formula show the frequency characteristic.
G v = 2 0 Log
5 . 9 7 K / / [ 1 1 .7 K + Z L / / 5 7 K ]
ZL//57K
[ 11.7K+ZL//57K
12.6K+5.97K//[11.7K+ZL//57K]
]
When a frequency is enough low ,
G v = 2 0 Log
57K
[11.7K+57K
5.97K//[11.7K+57K]
12.6K+5.97K//[11.7K+57K]
] = —1 1 . 9 d B
When a frequency is enough high ,
3.08K//57K
G v = 2 0 Log
[11.7K+3.08K//57K
5.97K//[11.7K+3.08K//57K]
= —2 6 d
]
12.6K+5.97K//[11.7K+3.08K//57K] B
÷0=16.8K • CL
-12dB
Gain
f=100Hz CL=0.1 µF
-26dB
VOL-26 dB
100Hz
D - 62433Q - 78A
frequency
MITSUBISHI
ELECTRIC
( 16 /
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MITSUBISHI SOUND PROCESSORS
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c lim
ubj
M62433FP
; T metri
ice
Not e para
som
DIGITAL SOUND CONTROLLER
( 3 ) Band-Pass filter block equivalent circuit
C1
0dB
10K
—3dB
20K
20K
C2
fL
fH
( The equation for band-pass filter )
f H [ cut-off frequency ]
High frequency's side
f L [ cut-off frequency ]
Low frequency's side
D - 62433Q - 78A
1
2πC1•10K
1
2πC2•10K
MITSUBISHI
ELECTRIC
( 17 /
21 )
D - 62433Q - 78A
MITSUBISHI
ELECTRIC
( 18 /
IN 1A
IN 1B
IN 1C
IN 1D
100KΩ
A
B
C
D
sw1
20KΩ
B
sw7
A
B
90KΩ
amp 1
sw11-1
20KΩ
0 dB
—6dB
DELAYIN
0 dB
amp 21
20KΩ
sw12-1
90KΩ
amp 11
BPFIN
A
amp 23
0 dB
amp 22
B
20KΩ
B
0 dB
0 dB
KEYIN1
KEYIN2
SELECT OUT1
KEYIN1
20KΩ
20KΩ
20KΩ
sw11-2
amp 2
B
A
Asw14
20KΩ
20KΩ
amp 24
sw12-2
20KΩ
A
B
amp 12
20KΩ
- 6 dB
- 6 dB
sw13
PHEIZE SHIFTER
BPFOUT
20KΩ
KEYIN2
; T metri
ice
Not e para
som
E
20KΩ
sw8
sw9 A
A
B
0 dB
20KΩ
ubj
IN 1E
F
F
E
D
C
B
A
sw2
SELECT OUT 2
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c lim
IN 1F
IN 2F
IN 2E
IN 2D
IN 2C
IN 2B
IN 2A
100KΩ
The block diagram along the signal flow (No.1)
Y ificationc. hange.
R
A
I N l spec ect to
MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
21 )
D - 62433Q - 78A
MITSUBISHI
ELECTRIC
8.5K
20K
( 19 /
amp 10
5.0K
SELECT OUT 1
B
5.0K
8.5K
21 )
sw5
sw3
sw10-1
REC1B
REC1A
sw15
A
B
100K
100K
TONEIN1
REC1C
REC2C
TONEIN2
ubj
B
sw21
amp 3
30K
100KΩ
A
5.0K
A sw17b
30K
B
5.0K
A sw18b
B
amp 13
sw16
A
; T metri
ice
Not e para
som
A
100KΩ
A
sw10-2
REC2A
REC2B
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c lim
Key
Con
MIC AMP
sw22
100KΩ
A
B
B
sw4
12.5K
KEYIN1
KEYIN2
Key
Con
amp 20
sw6
DPL
(Rch)
KEYIN1
KEYIN2
SELECT OUT 2
20K
B
The block diagram along the signal flow (No.2)
Y ificationc. hange.
R
A
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
DPL
(Lch)
12.5K
D - 62433Q - 78A
22.7K
56K
3.12K
8.55K
22.7K
8.55K
3.12K
24.2K
amp 5
100kΩ
amp 15
MITSUBISHI
ELECTRIC
10µ
OUT 1
OUT 2
10µ
; T metri
ice
Not e para
som
The same channel2
amp 4
OFF : Bass Boost ON
ON : Normal
10µ
ubj
amp 8
amp 6
amp 9
amp 7
4.62K
10.0K
0dB ~ -∞
( 32 steps )
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c lim
amp 16 amp 18
amp 17 amp 19
1.5K
4.62K
22.7K
8.55K
3.12K
22.7K
10µ
FOUT2
400Ω
amp 14
+
8.55K
-
10KΩ
+
56K
10KΩ
each frequency change +10dB ~ -10dB
The block diagram along the signal flow (No.3)
Y ificationc. hange.
R
A
I N l spec ect to
MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
( 20 /
21 )
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MITSUBISHI SOUND PROCESSORS
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M62433FP
; T metri
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SW19
5-Element Graphic Equalizer
B
A
2700p
680p
0.001µ
0.082µ
0.033µ
0.27µ
0.01µ
0.82µ
9
SW15
0.027µ
REC1B
REC1A
REC1C
B
A
B
7
8
DPL1
6
100K
SW7
100K
5
B
A
SW11-1
20K
B 20K
A 20K
SW9
B SW8
A SW17
SW10-1
SW11-2
SW12-2
20K
20K
SW12-1
100K
A
3
A
100K
1
F
E
D
C
B
470p
2
MITSUBISHI
ELECTRIC
80
IN1F
79
IN1E
78
IN1D
77
IN1C
IN1B
76
20K
5K
75
74
IN1A
73
analog
-7V
analog
GND
IN2A
72
5K
20K
A
SW2
71
IN2B
70
IN2C
69
A
B
C
68
IN2D
67
D
E
66
SW1
8.5K
20K
D - 62433Q - 78A
+ 10µ
10 11 12 13 14 15 16 17 18 19
G=2.4î{
SW14
B
B
SW10-2
SW13
A
B
B
A
SW18
A
SW16
B
A
8.5K
100K SW22
65
560p
20 21 22 23 24
PORTA
PORTB
MCU
G=2.4î{
5-Element Graphic Equalizer
45
10k
SW21
IN2E
20k
1000p
64 63 62
MIC IN
100K
IN2F
REC2C
SW4 SW6
REC2A
F
REC2B
100K
0.1µ
25
0K
B
DPL2
A
0.82µ
0.15µ
20k
0.01µ
26
10
SW20
43 42
44
0.27µ
61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46
0.033µ
27
µ -COM
interface
Logic
0K
A
0.082µ
28
10
B
0.001µ
32
B
0.027µ
33
34
+
2k
A
680p
35
10k 10k
31 30 29
B
2700p
37 36
2k
A
10µ +
38
10µ
4
39
41
40
+
SW3 SW5
+
+
2k 2k
BUFOUT1
+
560p
0.1µ
analog 7V
+
10µ
digital GND
BUFOUT2
Application
5V
DIGITAL SOUND CONTROLLER
Key control IC
OR DPL
( 21 /
21 )