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; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER SINGLE CHIP ANALOG SOUND PROCESSOR FEATURES * 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 PACKAGE 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 KEY1 KEY2 IN A IN B IN C IN D IN E IN F PORTA PORTB 6-Input selector SW FOR: Multilingual switching Vocal cancel Surround DPL and other modes Bass boost OUT2 OUT1 Tone Electric volume -com Interface LATCH DATA CLK RECOUT1 (3-Outputs) D - 62433Q - 78A MITSUBISHI ELECTRIC ( 1/ 21 ) ; T metri ice Not e para som IC Internal Block Diagram BB2 I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER BUFOUT1 BUFOUT2 BUFNF2 BUFNF1 BUFIN2 CLOCK BUFIN1 26 10 0K PORTB LATCH AVDD PORTA DGND DVDD DATA 40 44 43 42 41 VOLOUT2 VOLIN2 FOUT2 F5F2 F4IN2 F4O2 F4F2 F3IN2 F3O2 F3F2 F2IN2 F2O2 F2F2 F1IN2 F1O2 F1F2 FIN2 REC2B REC2A REC2C MIC IN KEYOUT2 KEYIN2 BPFOUT 39 10 0K 38 37 36 35 34 33 -COM interface Logic 32 31 30 29 28 27 25 20 21 22 23 24 10 11 12 13 14 15 16 17 18 19 9 8 7 6 B BB1 VOLOUT1 VOLIN1 FOUT11 F5F1 F4IN1 F4O1 F4F1 F3IN1 F3O1 F3F1 F2IN1 F2O1 F2F1 F1IN1 F1O1 F1F1 FIN1 REC1B REC1A REC1C KEYOUT1 KEYIN1 P/S C DELAY OUT 5-Element Graphic Equalizer 5K SW20 52 51 50 49 48 47 46 G=2.4i{ 5-Element Graphic Equalizer SW13 SW10-1 B SW14 A G=2.4i{ 45 SW10-2 SW18 B A A A B B 58 57 56 55 54 53 SW12-2 SW11-2 B A A SW17 SW19 A 20K B 20K SW7 SW16 20K SW11-1 A B A B 100K 100K SW12-1 100K 61 60 59 SW4 SW6 B SW8 SW9 SW3 SW5 100K A 20K 20K SW15 A A B 100K B SW21 8.5K 8.5K 5K 64 63 62 A 100K A 100K SW22 20K SW2 SW1 20K E D C B F A A C E D F B 65 BPFIN 66 IN2F 67 IN2E 68 IN2D 69 IN2C 70 IN2B 71 IN2A 72 AVSS 73 AGND 74 IN1A 75 IN1B 76 IN1C 77 IN1D 78 IN1E 79 IN1F 80 DELAYIN ( 2/ D - 62433Q - 78A MITSUBISHI ELECTRIC 1 2 3 4 5 B B B A 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER Pin Description Pin No. Symbol Function Negative power supply to internal analog circuit GND of internal analog circuit Input pin at the side of channel1 Input pin at the side of channel2 (R-L) output pin for surround. Connected to the input of delay circuit. Total load resistance is 20k (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 20k 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) 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 total load resistance ; min. 20K 72 73 74,75,76 77,78,79 71,70,69 68,67,66 80 1 2 3,63 4,62 64 65 5,60 6,59 7,58 8,57 9,46 10,45 11,54 12,53 13,52 AVSS AGND IN1A,IN1B,IN1C IN1D,IN1E,IN1F IN2A,IN2B,IN2C IN2D,IN2E,IN2F DELAYIN DELAYOUT P/S C KEYIN1 KEYIN2 KEYOUT1 KEYOUT2 BPFOUT BPFIN REC1A REC2A REC1B REC2B REC1C REC2C FIN1 FIN2 F1F1 F1F2 F1O1 F1O2 F1IN1 F1IN2 F2F1 F2F2 F2O1 F2O2 D - 62433Q - 78A MITSUBISHI ELECTRIC ( 3/ 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER Pin No. Symbol 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 Output of port A Output of port B Power supply to internal logic circuit Clock input pin for serial data transfer Input pin of control data. Reads data at the rising edge of clock. 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 29 30 31 32 33 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 PORTA PORTB DVDD CLOCK DATA D - 62433Q - 78A MITSUBISHI ELECTRIC ( 4/ 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER Pin No. Symbol Function Input pin of latch signal. The circuit status changes at the rising edge of latch signal. GND pin of internal logic circuits Positive power supply pin of internal analog circuits Microphone input pin 34 35 36 61 LATCH DGND AVDD MIC IN D - 62433Q - 78A MITSUBISHI ELECTRIC ( 5/ 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER ABSOLUTE MAXIMUM RATINGS Symbol AVDD,AVSS Parameter Analog Power supply Digital Power supply Power dissipation Thermal derating Operating temperature Storage temperature Conditions Ratings 7.5 6.0 Unit V V mW mW/C C C DVDD Pd K Ta 25C Ta > 25C Attached PC Board* 1370 13.7 -20 ~ +75 -55 ~ +125 Topr Tstg Thermal derating (Maximum ratings) 1.5 *Note : PC Board 1.37W 1.0 Power dissipation 685mW 0.5 PC Board Size 140 mm X140 mm PC Board Thickness 1.6 mm PC Board Material Epoxy Copper Film Thickness 18 m Copper Foil Size 0.25 mm X 50 mm pd [W] 0 0 25 50 75 100 125 150 Ambient Temperature Ta [C ] D - 62433Q - 78A MITSUBISHI ELECTRIC ( 6/ 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER RECOMMENDED OPERATING CONDITIONS ( Ta=25C, unless otherwise noted ) Parameter Analog (+) power supply Symbol Conditions Note 1 MIN 4.5 -4.5 4.5 TYP MAX 7.3 -7.3 5.5 Unit AVDD AVSS DVDD 7.0 -7.0 5.0 V V V Analog (-) power supply Note 1 DVDDAVDD Digital power supply Logic " H " Level input voltage Logic " L " Level input voltage VIH DVDD-0.7 VDD V VIL 0 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 L H D1 D6 D7 D0 CLOCK L H LATECH L DATA reading mode; The rising edge of the CLOCK signal LATCH reading mode; The rising edge of the LATCH signal D - 62433Q - 78A MITSUBISHI ELECTRIC ( 7/ 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER CLOCK DATA TIMING t cr CLOCK 75% 25% tr t WHC t t 75% f WLC DATA 25% t r t t SD f t HD t t SL t r WHC t 75% 25% f 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 CLOCK pulse width ( " H " level ) CLOCK pulse width ( " L " level ) 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 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 0.8 0.8 1 1.6 Min 4 1.6 1.6 Limits typ Max Unit 0.4 0.4 sec D - 62433Q - 78A MITSUBISHI ELECTRIC ( 8/ 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h DATA FORMAT Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER 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 D11 D21 D31 D41 D51 S W 10-1 S W 10-2 1 : ON 0 : OFF D6 D7 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 0 D6 0 D7 (2) DO2 S W 11-1,2 S W 12-1,2 D12 S W 13 D22 S W 21,22 D32 S W 14 D42 D52 1 : A side 0 : B side 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 0 D6 1 D7 (3) DO3 D13 D23 D33 D43 D53 For Tone control (element) Refer to the Tone Control 1 Code For Tone control (gain) Refer to the Tone Control 2 Code Bass Boost SW15,16 A / B 1 D6-1 0 D7-1 (4-1) DO4-1 D14-1 D24-1 D34-1 D44-1 D54-1 For Master Volume Refer to the Master Volume Code 0 D44-2 D54-2 1 D6-2 1 D7-2 (4-2) DO4-2 D14-2 D24-2 D34-2 For Input selector Refer to the Input selector Code 1 1 1 ( 5 ) Tone control 1 code (element) Tone 1 (F1) Tone 2 (F2) Tone 3 (F3) Tone 4 (F4) Tone 5 (F5) Bass ON Boost OFF D - 62433Q - 78A D03 0 0 0 1 1 1 1 D13 0 1 1 0 0 1 1 D23 1 0 1 0 1 0 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 Boost ( 9/ 21 ) MITSUBISHI ELECTRIC ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h ( 7 )Master volume code ATT -- 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 -- Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER ( 8 ) Port output code D04 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 D14 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 D24 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 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 DATA 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 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 MODE NORMAL STEREO STEREO + MIC MIX MODE Source + Key control SW21,22 SW17,18 SW10-1 SW10-2 SW15,16 B side B side A side A side B side B side A side A side A side B side B side B side B side A side A side B side B side B side B side A side ( ) KEY CONTROL MODE 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 DPL MODE MITSUBISHI ELECTRIC ( 10 / 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER ELECTRICAL CHARACTERISTICS ( Ta=25C,AVDD=7.0V,AVSS=-7.0V,DVDD=5.0V ,f=1kHz Tone control & Bass Boost setting :0dB , unless otherwise noted ) ( 1 ) Power supply Parameter Circuit current (Analog +) Symbol AIdd 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 typ Max 48 Unit 40 mA Circuit current (Analog -) AIss -48 -40 mA Circuit current (Digital ) DIdd 0.5 1.0 mA ( 2 ) Input/Output Parameter Input impedance Maximum input voltage Symbol Rin VIM Conditions 66 ~ 71pin,74 ~ 79Pin,Ta=25C (66 ~ 71pin input),(74 ~ 79pin input) 28,37pin output Min 20 3.0 -0.1 -0.1 Limits typ Max 47 4.0 0 0 0.1 0.1 100 Unit K Vrms V V dB RL =4.7K , THD=1% Vodc Output terminal voltage Vrecdc I/O voltage gain Gv 5pin,60pin, No input signal 28pin,37pin,No input signal Vin=1Vrms,FLAT,(66 ~ 71Pin), (74 ~ 79Pin)-28,37Pin 10.0 12.0 14.0 Vono Output noise voltage Vrecno THD Distortion THDrecB,C CT Channel separation CTrec 28,37pin JIS-A filter ATT0 No ininput signal ATTM Rg=10K FLAT 6,59pin 7,58pin 28pin,37pin, BW=400 ~ 30kHz 55.0 70.0 Vrms 5.0 20.0 0.01 15 30 0.05 Vrms Vrms % % dB dB Vi= -20dBv , RL=4.7K (6,59pin),(7,58pin),BW400 ~ 30kHz Vi=-20dBv , RL=20K Vo=0.5Vrms , RL=4.7K,JIS-A 28pin--37pin Rg=0K, 61pin GND Vo=0.5Vrms , RL=20K,JIS-A 6pin--59pin Rg=0K, 61pin GND 0.01 0.05 -75 -75 -55 -55 D - 62433Q - 78A MITSUBISHI ELECTRIC ( 11 / 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER ( 3 ) Tone Control Parameter Symbol Gboost1 Gboost2 Voltage gain (Tone control) Gboost3 Gcut1 Gcut2 Gcut3 Balance between channels BALton 3dB 6dB f=1KHz,Vo=1Vrms 10dB -3dB -6dB -10dB Input ;8pin,57pin Output ;22pin,43pin 8.0 -4.5 -7.5 10 -3 -6 12.0 -1.5 -4.5 -8.0 +1.5 dB dB dB dB dB Conditions Min 1.5 4.5 Limits typ Max 3 6 4.5 7.5 Unit dB dB -12.0 -10 0 f=1KHz,Vo=1Vrms, Input;8,57Pin Output;22,43Pin -1.5 +10dB and -10dB ( 4 ) Bass Boost Parameter Voltage gain (Bass boost) Symbol Gboost Conditions f=70Hz,Vo=0.5Vrms Input ; 23,42pin Output ; 27,38pin Min -10 Limits typ Max -6 -2 Unit dB Balance between channels 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 Minimum "H" voltage VpHB RL=1.8k IpLA Maximum "L" leak current IpLA Maximum drive current IpD -3 0 0.7 3 3 uA mA Symbol VpHA Conditions Min 5.4 Limits typ Max 6.0 Unit V D - 62433Q - 78A MITSUBISHI ELECTRIC ( 12 / 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER Master volume circuit -- 0dB 3477 -- 2dB 2758 -- 4dB 2192 -- 6dB 1739 -- 8dB 1383 --1 0 d B 1097 --1 2 d B 3016 5968 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 9312 --3 0 d B 7533 --3 2 d B --2 8 d B --1 4 d B + - Master volume code ATT -- 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 -- D04 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 D14 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 D24 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 D34 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 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 857.8 --6 4 d B --6 8 d B 540.5 --7 2 d B 342 --7 6 d B 214.2 --8 0 d B 262.5 -- D - 62433Q - 78A MITSUBISHI ELECTRIC ( 13 / 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER Function description ( 1 ) Voice cancel block equivalent circuit (L+C) (h+m+l) L(h+m/2 +1) + C ( h + 1 ) --R m / 2 -- (R+L+2C) (h+m+l) + BPF/ -6dBATT (R+L+2C) m/2 -- (R+C) (h+m+l) R(h+m/2 +1) + C ( h + 1 ) --L m / 2 ( 2 ) Surround block equivalent circuit L+C -- 2L--R+C R--L -- Pass or Delay R+C + 2R--L+C D - 62433Q - 78A MITSUBISHI ELECTRIC ( 14 / 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER ( 3 ) Tone control equivalent circuit R3 FBASS Center frequency C1 OUT BASS R1 Q= ( C2 * R2 ) / C1 ( C1+R1 ) f0 = 1 / 2 C1 * C2 * R1 * R2 [Hz] C2 INBASS Example; Bass band ( f=150Hz ) R1=1.5K, R2=56K C1=1.5 , C2=0.01 R2 F1 R1 Fig.1 The equivalent circuit of tone controller 1.0k 300k F2 1.0k 300k F3 1.0k 300k F4 1.0k 150k F5 R2 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 MITSUBISHI ELECTRIC D - 62433Q - 78A ( 15 / 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER ( 4 ) Bass boost equivalent circuit 12.6K 5.97K 11.7K RL= 3.08K ZL 1.6K CL 55.8K 57K 3.57K 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 [ 11.7K+ZL//57K [11.7K+57K 57K ZL//57K 5 . 9 7 K / / [ 1 1 .7 K + Z L / / 5 7 K ] 12.6K+5.97K//[11.7K+ZL//57K] ] When a frequency is enough low , G v = 2 0 Log 5.97K//[11.7K+57K] 12.6K+5.97K//[11.7K+57K] ] = --1 1 . 9 d B When a frequency is enough high , G v = 2 0 Log [11.7K+3.08K//57K -12dB Gain 3.08K//57K ] = --2 6 d 12.6K+5.97K//[11.7K+3.08K//57K] B /0=16.8K * CL f=100Hz CL=0.1 F 5.97K//[11.7K+3.08K//57K] -26dB VOL-26 dB 100Hz frequency MITSUBISHI ELECTRIC ( 16 / 21 ) D - 62433Q - 78A ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER ( 3 ) Band-Pass filter block equivalent circuit C1 20K 10K 0dB --3dB 20K C2 fL fH ( The equation for band-pass filter ) f H [ cut-off frequency ] High frequency's side 1 2C1*10K 1 2C2*10K f L [ cut-off frequency ] Low frequency's side D - 62433Q - 78A MITSUBISHI ELECTRIC ( 17 / 21 ) The block diagram along the signal flow (No.1) SELECT OUT 2 100K sw2 20K 0 dB 20K 0 dB - 6 dB 20K 20K KEYIN2 D - 62433Q - 78A IN 2A amp 11 amp 12 KEYIN2 A ; T metri ice Not e para som B IN 2B B A IN 2C sw12-1 A B sw12-2 sw8 90K I M o fina s R E Lis is nc tlia its are m P h C ubj IN 2D BPFOUT DELAYIN --6dB sw13 D IN 2E E Y ca n. e. A Rspecifiecttitoo chang IN l 20K 20K IN 2F B A B F sw9 A amp 24 amp 21 amp 22 BPFIN 0 dB 20K 0 dB MITSUBISHI ELECTRIC A B 20K 20K Asw14 20K IN 1F F IN 1E E sw11-2 B IN 1D D sw11-1 amp 23 PHEIZE SHIFTER - 6 dB 20K 20K C IN 1C amp 1 0 dB 20K A amp 2 0 dB 20K M62433FP KEYIN1 KEYIN1 MITSUBISHI SOUND PROCESSORS DIGITAL SOUND CONTROLLER ( 18 / IN 1B B IN 1A A B sw7 90K 21 ) 100K sw1 SELECT OUT1 ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER REC1C REC2C 100K TONEIN2 TONEIN1 B sw15 A A sw16 amp 13 DPL (Rch) REC2A REC2B 30K 30K amp 3 100K B DPL (Lch) REC1A REC1B sw3 sw5 5.0K A sw18b 5.0K A sw17b sw6 12.5K sw4 sw10-2 B 12.5K sw10-1 B B B 5.0K A 5.0K The block diagram along the signal flow (No.2) sw22 amp 20 100K 100K sw21 A B A A 100K B 20K 20K 8.5K MIC AMP 8.5K Key Con SELECT OUT 2 KEYIN2 KEYIN1 Key Con KEYIN2 D - 62433Q - 78A MITSUBISHI ELECTRIC KEYIN1 ( 19 / SELECT OUT 1 21 ) amp 10 The block diagram along the signal flow (No.3) D - 62433Q - 78A ; T metri ice Not e para som each frequency change +10dB ~ -10dB 10K 0dB ~ - ( 32 steps ) 400 10 10 10 10K + + I M o fina s R E Lis is nc tlia its are m P h amp 15 100k ubj FOUT2 OUT 2 amp 14 24.2K 10.0K 4.62K 22.7K Y ca n. e. A Rspecifiecttitoo chang IN l 8.55K 22.7K 22.7K 3.12K 8.55K 4.62K 8.55K 22.7K 3.12K 8.55K 56K 56K 3.12K MITSUBISHI ELECTRIC OFF : Bass Boost ON ON : Normal 1.5K amp 16 amp 18 amp 17 amp 19 amp 4 The same channel2 OUT 1 M62433FP amp 5 10 MITSUBISHI SOUND PROCESSORS DIGITAL SOUND CONTROLLER ( 20 / amp 8 amp 6 amp 9 amp 7 21 ) ; T metri ice Not e para som I M o fina s R E Lis is nc tlia its are m P h Y ca n. e. A Rspecifiecttitoo chang IN l ubj MITSUBISHI SOUND PROCESSORS M62433FP DIGITAL SOUND CONTROLLER 5V PORTB PORTA MCU Application 10 + + 2k 2k 40 39 10 0K analog 7V + digital GND BUFOUT2 BUFOUT1 + 2k + 2k 26 10 0K 10 + 560p 0.1 41 38 37 36 35 34 33 -COM interface Logic 32 10k 10k 31 30 29 28 27 25 0.1 20 21 22 23 24 560p 10 + 2700p 680p 0.027 43 42 + 10 2700p 680p 0.027 44 SW20 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 G=2.4i{ G=2.4i{ 45 SW19 SW13 0.082 SW10-2 SW18 A SW17 0.001 10 11 12 13 14 15 16 17 18 19 5-Element Graphic Equalizer SW14 5-Element Graphic Equalizer A SW10-1 0.001 0.082 B A B A B A 0.27 0.01 0.82 SW12-2 SW11-2 SW16 SW15 SW11-1 A 20K 20K A 9 B 100K SW12-1 DPL2 REC2B REC2A REC2C MIC IN B 100K SW4 SW6 SW3 SW5 100K A 20K B 20K 20K 8 100K 7 SW9 B SW8 SW7 6 A A B 100K B B 64 63 62 SW21 8.5K 8.5K 5K A 100K A 100K SW22 20K SW2 SW1 2 3 4 5 20K B 5K 470p E F D C B A A C E D 1 F 20k 1000p 0.15 20k analog -7V analog GND 10k 65 66 IN2F 67 IN2E 68 IN2D 69 IN2C 70 IN2B 71 IN2A 72 73 74 IN1A 75 IN1B 76 IN1C 77 IN1D 78 IN1E 79 IN1F 80 Key control IC OR DPL ( 21 / 21 ) D - 62433Q - 78A MITSUBISHI ELECTRIC 20K A B B A 0.033 B B A B 0.033 0.27 0.01 0.82 DPL1 REC1B REC1A REC1C |
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