m62481fp Mitsumi Electronics, Corp., m62481fp Datasheet
m62481fp
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m62481fp Summary of contents
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... DESCRIPTION The M62481FP is an optical pick-up servo system IC for a CD player.It has amplifiers,swiches,comparators and logic controller for servo control of an optical pick-up. Furthermore,it has automatic adjustment system controlled by micro -controller. Many built-in functions and the 56pin shrink quard package realize the compact and moderate CD player with high performance ...
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... TE2 OUT 8 SHOCK IN 9 RIREF 10 Vcc 11 TG2 12 TG3 OUT D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT (top view MITSUBISHI ELECTRIC ( HFC ...
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... Focus Focus gain2 balance2 TE1 30k 30k TC FE1 A-B Focus balance1 Focus gain1 Reset V 56k REF 47k SF 47k 47k SR MITSUBISHI ELECTRIC ( M62481FP HFC 41 APC IN 40 APC OUT APC 39 CFSR Focus offset 38 OSF 18k 37 FE1 - FE1 35 FE2 + IN 220k ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Voltage output for Track offset adjustment 2 TE1 Amp negative input 3 TE1 Amp output 18k 22k TE2 Amp positive input 220k 1k TG1 SW 10k 1k TE2 Amp positive input TE2 Amp output 7 Shock detector input MITSUBISHI ELECTRIC ( M62481FP Function ...
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... D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 9 Current reference Power supply 10 1k TG2 SW 1k 10k 1k TG3 SW 10k 1k TS Amp negative input TS Amp output 10k SS Amp positive input 10k SS Amp negative input 16 MITSUBISHI ELECTRIC ( M62481FP Function ...
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... Vcc/2 Amp output 68k LPF Capacitor for adjutment 3.0k 470 21 Ground 10k Servo status Data output1 22 MCU Latch Signal input 20k (discharge control for LPF Capacitor of adjustment) 4.7k Single Track Jump Control (reference signal input for Gain 4.7k adjustment) 20k MITSUBISHI ELECTRIC ( M62481FP Function ...
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... MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 20k MCU clock signal input 4.7k 20k MCU serial Data input 4.7k 10k Servo status Data output2 27 10k HF Detect output 28 FS Amp output FS Amp negative input 1k FG2 SW 10k 1k FE2 Amp output 32 MITSUBISHI ELECTRIC M62481FP Function ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT FE2 Amp negative input 1k FG1 SW 10k 1k 22k FE2 Amp positive input 220k 36 FE1 Amp output 18k 37 FE1 Amp negative input Voltage output for Focus offset 38 adjustment Voltage for Focus Search APC(Automatic Laser Power 100 Control)output MITSUBISHI ELECTRIC ( M62481FP Function ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT APC(Automatic Laser Power Control)input 42 HF Capacitor for HF Detector 4.7k Hold Capacitor for Mirror Detector 43 Comp Amp input 45 Focus Balance Amp output Focus Balance Amp input Input of Mirror detector 51k 5. Amp output 51k MITSUBISHI ELECTRIC ( M62481FP Function ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 49 HF Amp negative input 5k 50 Ground 10k A,B output 10k 52 HF input C for Auxiliary 30k Focus Servo input B 53 60k Focus Servo input A 54 60k Track Servo input E 55 400k Track Servo input F 56 400k MITSUBISHI ELECTRIC ( M62481FP Function ...
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... Ta=25deg.,unless otherwise noted Conditions -0.3 -> Vcc+0 25deg. THERMAL DERATING (MAXIMUM RATING 100 Conditions Min 4.5 Vcc -> 0.7 Pin 23 ,Pin 24 , Pin 25 ,Pin 26 0 MITSUBISHI ELECTRIC M62481FP Ratings Unit 900 mW mW/deg. 9.0 -20 -> +85 deg. -40 -> +125 deg. 125 Limits Unit Typ Max 5.5 5.0 V Vcc ...
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... High output current I 19 OHDOUT I OLHFD 20 Low output current I 21 OLDOUT D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Measurement Test Conditions Quiescent f=500kHz f=500kHz (normal) 3dB down refer to 500kHz (Invert) 3dB down refer to 500kHz INPUT Vin= 4.0V INPUT Vin= 1.0V V =4.0V ...
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... Vref+0.25V 0.5Vp 60k 60k 10k 10k Vref-0.25V Vref-0.25V ~ ~ ViA ViB 0.5Vp-p 60k 60k 60k 60k 10k 10k MITSUBISHI ELECTRIC ( / M62481FP Vo 18k 30k ViC 18k 30k 30k 5k Vo 10k 10k ...
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... ViA ViB 60k 60k 60k 60k 30k 10K 5K 10K 60k 60k 60k 60k 30k 10k 5k 10k 47k 19 + 47k Vref MITSUBISHI ELECTRIC ( / M62481FP Vo 18k 4. 18k 18k ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT . 18k 0.001u 18k =1/2Vcc REF V 47 Vref /BW WIDE=1; fc=500kHz AM fmod=1kHz /BW WIDE=0; fc=8.0MHz AM fmod=1kHz A= 0. =0.3 -> U =0.15V MITSUBISHI ELECTRIC ( / M62481FP 0.068u 0.001u 43 42 MR/HFOK HFOK 28 MR HFD MODE t Vo ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Vin 18k 18k 0.068u MR/HFOK + V =1/2Vcc REF 18k 18k 0.068u 0.001u MR/HFOK + HFOK MR MITSUBISHI ELECTRIC ( / M62481FP 0.001u =Nothing) L HFOK HFD MODE V V =1/2Vcc REF Vo 28 HFD MODE HHFD LHFD ...
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... A Attenuation FG1,2 ON FG1§2ON FG A Attenuation FG1,2 OFF 44 FG1§2OFF D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Measurement Test Conditions Gain value DCBA=1000(0dB) INPUT Vin= 4.0V INPUT Vin= 1.0V INPUT Vo= 4.0V INPUT Vo= 1.0V Focus gain : 0dB refer to V REF, ...
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... Focus balance1 A-B FE1 Focus 2k gain1 1k FS OFF 22k MITSUBISHI ELECTRIC ( / M62481FP :input A only.Output voltage is at Pin 32 VFE = ALFE VFE(A•B) VFEB GVFE(A•B);Equal phase signals input to pin 54 and 18k 36 Focus gain2 220k HOLD ...
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... Focus balance2 30k 30k A-B FE1 Focus 2k gain1 OFF 47k 22k + FE2 REF 47k MITSUBISHI ELECTRIC ( / M62481FP 37 18k 27k 36 Focus 220k gain2 35 FS HOLD 47k 33 240k VREF=1/2Vcc 37 27k 18k 36 Focus gain2 220k 35 V OSFE1 ...
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... Focus balance1 30k 30k Focus A-B balance2 FE1 Focus 2k gain1 OFF 47k 22k + 47k V REF MITSUBISHI ELECTRIC ( / M62481FP 100k 1.2M 220k Focus offset 38 37 27k 18k 36 Focus 220k gain2 35 V OSFE1adj FS HOLD 47k 33 240k FE2 32 V OSFE2 VREF=1/2Vcc ...
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... LFS (16 OHFS ILFS INPUT Vi I :Vo=4.0V OHFS I :Vo=1.0V OLFS (17)V ; OSFS (18 FSR + FSR - V FSR + (R1:D8=0,D9->D12=1) V FSR - (R1:D8=1,D9->D12=1) D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT FS 47k + V 47k REF FS 47k + 47k V REF FS 47k + 47k V REF FS 47k + V REF 47k Focus Search MITSUBISHI ...
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... FZC OFF BW WIDE G800 (Vth=+/-0.7V) HFOK Detector FZC/Shock HFOK Logic HFOUT MRIN HFC 0.01u 18k 0.001u MITSUBISHI ELECTRIC M62481FP Measure FE2+IN V pin35 1k 35 220k 100k FS HOLD 47p SHOCK IN 100k FZC OFF V pin8 K200 (Vth=+/-0.12V) Dout 22 Logic DOUT1 ...
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... DOUT1 pin changes,the threshold is found. 16.Threshold voltage can be monitored at pin35 (FE2+IN) and calculated as follows; V =Vpin35 - Vref FZC2 - (20 FG1,2ON FG1,2OFF Vi Vi=0.5mVrms Vref t 0 D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT AFG ON (R0;D8=0,R3;D8=1,R3;D9=0) AFG OFF(R0;D8=0,R3;D8=0,R3;D9=0) FG1 FG2 47k + 47k V MITSUBISHI ELECTRIC ( / ...
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... Track cross + voltage Track cross - voltage TC - D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Measurement circuit Test Conditions gain value : DCBA=1000(0dB) INPUT Vin= 4.0V INPUT Vin= 1.0V INPUT Vo= 4.0V INPUT Vo= 1.0V Track gain : 0dB refer to V REF Track balance : 0% ...
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... Track balance1 30k 30k Track balance2 TE1 F-E Track gain1 1k TS OFF V REF 22k 47k 19 + 47k MITSUBISHI ELECTRIC M62481FP 2 18k 3 Track gain2 220k HOLD 6 TE2 7 2 18k 3 Track 2k gain2 220k HOLD 6 TE2 7 4.7k 27k 47k ...
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... Track balance1 30k 30k Track balance2 TE1 F-E Track gain1 1k TS OFF V REF 22k 47k 19 + 47k MITSUBISHI ELECTRIC M62481FP 2 18k 3 Track gain2 220k HOLD 6 TE2 7 I VREF=1/2Vcc 2 18k 3 Track 2k gain2 220k HOLD 6 TE2 7 ...
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... Track balance1 30k 30k Track balance2 TE1 F-E Track 2k gain1 1k TS OFF 22k 47k + 47k V REF VREF=1/2Vcc MITSUBISHI ELECTRIC ( / M62481FP 100k 1.2M 220k Track offset 1 2 18k 3 Track gain2 220k HOLD 6 240k TE2 7 V OSTE2 27k 47k ...
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... V HTS, LTS; INPUT =1.0V HTS : =4.0V LTS : IN (27)I I OHTS, OLTS; INPUT =4.0V OHTS : =1.0V OLTS : O D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 6. 6. 6.8k V ...
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... D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 6. 400k 56 400k 30k Track balance1 f=1kHz 100k Track Cross Detector MITSUBISHI ELECTRIC M62481FP 47k + TS 47k V REF + 400k 30k Track F-E balance2 2 27k Track TE1 gain1 18k ...
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... LAP 83 High output current I OHAP 84 Low output current I OLAP D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Measurement circuit Test Conditions TG1 SW=TG 2 SW="ON" RL=2kohm TG1 SW=TG2 SW="OFF" TG3 SW="ON" RL=2k ohm TG3 SW="OFF" INPUT Vin= 4.0V INPUT Vin= 1 ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Vi=0.5Vrms TG1 TG2 TG1 OFF Vi=50mVrms 10k SS BUF 10k ~ Vi 6.8k MITSUBISHI ELECTRIC M62481FP + TG2 TG3 V REF TG3 47k + + V REF 47k 17 19 22k Vo 1k VREF=1/2Vcc ...
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... OHSS : =1.0V OLSS : O (34 OSSS (JP1/SG=L,R0;D0=0,D1=0,D2=1) OSSS1 V (JP1/SG=L,R0;D0=1,D1=1,D2=0) OSSS2 VSF (JP1/SG=H,R0;D1=1,D0=0) VSR (JP1/SG=H,R0;D1=0,D0=1) D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT SS OFF 10k V SS BUF 22k 10k 6.8k SS OFF 10k SS BUF ...
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... LAP; APC OFF (R1;D4=0) , APC ON (R1;D4=1) Input Vin (37)I I OHAP, OLAP; APC ON (R1;D4= =4.0V OHAP =1.0V OHAP O D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT ~ Vi=10mVPP 41 Vi=10mVp-p t Vin 41 Vin 41 MITSUBISHI ELECTRIC M62481FP Va=170mV APC APC OHAP OHAP 40 + APC ...
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... V BALT - 99 (TE) f 100 HADJ Cut off frequency D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Measurement circuit Test Conditions "Focus gain"Mode DCBA=1111 "Focus gain"Mode DCBA=0000 "Track gain"Mode DCBA=1111 "Track gain"Mode DCBA=0000 "Focus balance"Mode DCBA=1111 "Focus balance"Mode DCBA=0000 " ...
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... JP1 input JP1/SG 24 Circuit 1KHz VREF=1/2Vcc ViA(ViB) signal; Phase shift signals (90+30deg.) refer to JP1/SG at Focus gain mode 3.3 0 MITSUBISHI ELECTRIC ( M62481FP TE1 2 gain adjustment 220k 47p ADJ GAIN CMP XOR 68k 220k 1 Charge ...
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... INPUT Vi (Pin 46 ): fc=12MHz AM fmod=500Hz A=1.0V, B=0. Vref (44-2) thFBAL+,- INPUT pin44( COMP IN Vref 0 Vth - Vth + D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 1KHz 400k 400k 30k 55 ViE 400k F-E 56 400k ViF 30k JP1 input 24 Circuit 1KHz 200k ...
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... Track gain adjustment mode (show to (76/88)) (R3;D7=1,D4->D6=0) INPUT VADJ 3dB down (refer to 500Hz) HADJ ; D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 400k Track 400k balance1 30k 55 Vi 400k F-E 56 Track 30k balance2 Track balance adjustment 18 1u 400k V ...
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... V REF (CMP OFFSET SW=OFF) refer to V REF (CMP OFFSET SW=OFF) refer to V REF (CMP OFFSET SW=OFF) C(Pin 20 )=4.7nF refer to V REF refer to V REF MITSUBISHI ELECTRIC ( / M62481FP Limit Unit circuit Typ Min Max (47) mV (47) -17 - ...
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... HADJ ; D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 1,2 V 400K iE 400K 55 400K 400K F MITSUBISHI ELECTRIC ( M62481FP Adjustment OUT1 OUT2 Track balance1 Track gain1 TE1 Track balance2 gain adjustment ...
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... MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Vi 24 JP1/SG RS D0,D1,D2=0 230k FE1 OFF 22k Adjustment.com. Buffer Amp 220k V REF MITSUBISHI ELECTRIC ( / M62481FP V =1/2Vcc REF 37 18k 36 Focus 220k gain2 HOLD 47k 33 47k FE2 32 27k Vo ...
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... Focus balance2 Focus gain2 TE1 30k 30k TC A-B Focus balance1 Focus gain1 JF JR Reset V 56k REF 47k SF 47k 47k SR TEST CONTROLLER 47u MITSUBISHI ELECTRIC ( / M62481FP 0.033u 0.001u 42 100k APC 39 Focus offset 38 18k 37 1.2M FE1 100n 35 220k HOLD 2k ...
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... TC A-B Focus balance1 Focus gain1 JF JR Reset V 56k REF 47k SF 47k 47k Bias (1/2Vcc) MCU MITSUBISHI ELECTRIC ( / M62481FP 22 1k 560 10u 100k APC Focus offset SW 39 Focus offset 38 18k 37 FE1 ...
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... Functional Description (Note) This description is based on the typical use of M62481FP. D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT of M62481FP •MCU Interface •Servo Circuit •Basic control software MITSUBISHI ELECTRIC M62481FP ...
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... D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT MITSUBISHI ELECTRIC ( / 88 ) ...
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... D10 D11 D12 D13 D14 D15 tsu D10 D11 D12 D13 D14 D15 tsu th Conditions Min 0.1 MITSUBISHI ELECTRIC M62481FP D10 SHOCK EN TBAL FS1 FS0 FS2 Focus offset (3bit) G2 INV TG3 HI GAIN ADJ AMP1 ADJ AMP0 ...
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... MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT R1; D4 LASER ON •APC Amp OFF 0 1 •APC Amp ON (Vth= 0.7V) + G800 FZC SHOCK K200 LOGIC (Vth= 0.12V) + MITSUBISHI ELECTRIC ( M62481FP FUNCTION FG1 TG1 FG2 TG2 FZC SHOCK ( Dout Logic ) Q FZC ( Focus and Hold Block ) ...
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... K200 D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT FZC OFF JP1H ( R0; JP1 Input Circiut) SHOCK EN ( R0;D8 ) FF1 FF2 FF3 MITSUBISHI ELECTRIC M62481FP HI GAIN G2 INV ( R3; R3;D9 ) FG2, TG2 FG1, TG1 FZC SHOCK ( Dout Logic ) Q FZC (Focus And Hold Logic) ...
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... D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT MITSUBISHI ELECTRIC ...
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... FS0 ( R1;D8) FS1 ( R1;D9) FS2 ( R1;D10 10k 10k MITSUBISHI ELECTRIC M62481FP FS3 ( R1;D11) 10k 39 CFSR ...
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... D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT MITSUBISHI ELECTRIC ( ...
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... MR Detector Signal Detector Brake signal MR Detector HF TC Detector TE D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT OUTPUT Brake signal TC Detector OPEN CLOSE (note)Vcc=5V 62.5mV TRACK MIRROR Brake signal MITSUBISHI ELECTRIC ( / M62481FP TRACK MIRROR ...
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... SEND Jump Pulse Command R0; D13=1 DOUT2=H? No (mirror?) Yes JP1H= "0"-->"1" JP!L= "1"-->"0" wait 300 uSec TS ON (R0; D6,D4,D3=0) wait 5mSec Brake cancel end MITSUBISHI ELECTRIC ( / M62481FP ( Jump forward ) time over? No Yes Brake pulse generation Track settling (1) (2) (3) (4) ...
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... MITSUBISHI ELECTRIC ( / M62481FP Function No Track Jump JP1-Track Jump Forward JP1-Track Jump Reverse No Track Jump Track Jump Reverse Track Jump Forward No Track Jump No Track Jump JP1 Direct Command JP1 Direct Command No Track Jump ...
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... SS PLAY (R0; D2) SS DET SS BUF MITSUBISHI ELECTRIC ( M62481FP Dout Logic SS Detector SS SS BUF OUT Function Sledge Servo OFF Sledge Move Reverse Sledge Move disabled Sledge Move Forward Sledge Move disabled Sledge Servo ON Switch R0 ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT 16k 16k Pin24; Ua(V) +0.83 +0.5 ( Vref (Standard)) +0.36 Tristate +0.28 +0.23 +0.19 +0.17 +0.15 MITSUBISHI ELECTRIC ( M62481FP JP1H (Track Kick Logic) JP1H (FZC Shock Logic (Adjust) JP1L (Track Kick Logic) JP1L (SS Play Logic 1/2Vcc REF JP1/SG JP1H JP1L ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Track Cross circuit < 2.5625V > 2.4375V R3;D11 FBAL 0 1 HFD OUTPUT HFOK MR MITSUBISHI ELECTRIC ( M62481FP Dout Lgic) Brake signal Track Hold Logic ) Dout Logic ) D Q DIR ( Dout Logic ) DET LPF SW open close ...
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... MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Peak hold (Low speed) 27.5k 26k 18.5k 20k 20k Brake R0;D5 13k 43 MRC V 47 MR( Ratio ) 0.41 :MR-ON 0.47 :MR-OFF Vref A 0.52 :MR-ON 0.58 :MR-OFF MR MR-ON HFC 42 51k 10k Vref-0.19V MITSUBISHI ELECTRIC ( M62481FP Internal 1/2Vcc REF B t MR-OFF HFOK V = 1/2Vcc REF ...
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... Jump/Sledge Pulse Current <Jump Pulse Current> Vcc <Sledge Pulse Current> (example) Vcc=5(V),V =0.7(V),R=100 =21.5 (uA =43.0 (uA D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Vcc R I IREF Vcc MITSUBISHI ELECTRIC ( M62481FP ...
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... BW WIDE 1 1 time speed 0 8 times speed • L-4).TG3 ( R3; D10 ) D10 TG3 SW 0 OFF 1 ON D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Track LPF ( kHz ) Focus LPF( kHz 265 280 MITSUBISHI ELECTRIC Detector Cut off Frequency(kHz) ...
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... D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT MITSUBISHI ELECTRIC ( / ...
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... Balance1 BW WIDE 230k FG RET FZC Shock Circuit Foucs Search FG2 Circuit 30 31 FG2 39 CFSR pin 32 FE2 OUT MITSUBISHI ELECTRIC ( M62481FP FE2 +IN FG1 FE1 FE2 - Focus gain2 FG1 FE2 FS HOLD 18k 220k 22k FE1 OFF ...
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... FG2 FE2 OUT Pin 32 (note)Resistors and Capacitors without value are externals except the resistor for the adjustment. D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT CFSR 39 FS OUT 29 FS REF 30 FS-IN MITSUBISHI ELECTRIC ( M62481FP Focus Actuator V =1/2Vcc REF ...
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... HF signal 10k High Speed Bottom Hold Output 5.1k Mirror Detector Low Speed Bottom Hold circuit R1;D13 BW WIDE (Cut off frequency) 43 MRC MITSUBISHI ELECTRIC ( M62481FP MR IN FBI FBO FBAL ADJ2 50p 1k Focus FBAL Balance judgment 11k 5k Low Speed Bottom ...
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... ADJ T02 TC DET LPF SW TS ADJ T01 Track offset TG3 Method TG3 TS -IN TS OUT SS Amp. pin 15 Track Actuator MITSUBISHI ELECTRIC ( M62481FP TE2 -IN TG1 TE2 OUT TE2 - Track TG1 gain2 TS HOLD TE2 220k 22k TS OFF Track gain ...
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... TS OUT ( Note ) Resistors and Capacitors without value are externals. D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT SF Dout Logic SR SS Detector SS OFF 10k SS SS BUF 10k -IN SS +IN Sledge Actuator MITSUBISHI ELECTRIC ( M62481FP SS OUT V =1/2Vcc REF ...
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... OFFSET ADJ TO1 *1) ADJ FO1 ADJ FBAL 220k 47p XOR 220k 230k FG SIG TG SIG 270k FE1-IN DETFIL TE1-IN MITSUBISHI ELECTRIC ( M62481FP ) II MCU A/D 20 6.8k Switched Adj.Com. 1 Dout 2 100k Logic 68k 330k 2.2k Switches Switching comparator Comparetor input is selected by Input ADJ-FBAL Switch control signal ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT SWITCH Remark ADJ FO1 OPEN Focus offset I CLOSE adjustment SWITCH Remark ADJ FO2 OPEN Focus offset II CLOSE adjustment SWITCH Remark ADJ TO1 OPEN Track offset I CLOSE adjustment SWITCH Remark ADJ TO2 OPEN Track offset II CLOSE adjustment MITSUBISHI ELECTRIC ( M62481FP ...
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... D-62481-87I MITSUBISHI SOUND PROCESSOR LSI M62481FP PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT MITSUBISHI ELECTRIC ( ...
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... Remark MITSUBISHI ELECTRIC ( M62481FP Remark Track Gain adjustment Focus Gain adjustment Focus Balance adjustment ADJ GAIN CMP OFFSET ...
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... LASER ON/OFF 7.353k 1.25V 1.157k (note1)Resistors and Capacitors without value are externals. V =170mV--> D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Vcc 100 APC OUT 500k APC =2.50V) MITSUBISHI ELECTRIC ( / M62481FP Vcc Laser Diode ...
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... MITSUBISHI ELECTRIC ( M62481FP H keep Data is loaded into servo IC register Data isnot loaded into servo IC register ...
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... Bias amp and Reset Power on reset 56k 47k V REF 47k 47k 19 V 47uF D-62481-87I MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT Reset Logic (I/F) REF MITSUBISHI ELECTRIC ( M62481FP ...
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... 45k g 36.3k f 29.3k e 51.5k Track gain 1 F-E Track gain 3 (offset) 5. ADJ TBAL 68k ADJ GAIN 470 CMP OFFSET Discharge MITSUBISHI ELECTRIC ( / M62481FP Track gain 2 TE1 ADJ TO2 ADJ FO1 ...
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... MITSUBISHI ELECTRIC ( M62481FP g rate(%) -31 -27 -22 -18.6 -15 - 15 ...
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... BW WIDE 51.5k 36p Focus Balance 2 30k Buffer Buffer 30k A-B 30k 30k ADJ FBAL 3k ADJ FO1 5.1k ADJ FO2 ADJ TO1 ADJ TO2 c d Discharge MITSUBISHI ELECTRIC M62481FP FBI FBO ...
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... MITSUBISHI ELECTRIC ( M62481FP g rate(%) h 1 -31 -27 -22.4 -18 -15.4 0 - 3 9 ...
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... TE1 14. 50k 47k 45k 87.5k 108k ADJ GAIN XOR 47p ADJ TBAL 470 Discharge 100k CMP OFFSET 18 20 DETFIL CLPF MITSUBISHI ELECTRIC M62481FP ...
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... MITSUBISHI ELECTRIC ( M62481FP g gain(dB 11 9 5 2.8 -1 1.4 0 2.8 4 7.0 0 8.4 1 9.8 ...
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... FE1 -IN 37 190k FG SIG 112k 6k FE1 14.8k 32k 47k 45k 87.5k 50k ADJ GAIN 68k XOR ADJ TBAL 470 Discharge MITSUBISHI ELECTRIC ( M62481FP FE1 36 18k FE2 AMP 17 ...
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... MITSUBISHI ELECTRIC ( M62481FP g gain(dB) 0 -11 9 5 2 2.8 4 7.0 8 9.8 ...
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... Track Cross Detector circiut 100k Track offset 47p Method I 100k ADJ TO2 TC DETLPF SW TS ADJ TO1 470 -IN TS OUT SS Amp. pin 15 Track CLPF Actuator MITSUBISHI ELECTRIC M62481FP ...
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... Track Cross Detector circiut 100k Track offset Method I 47p ADJ TO2 100k TC DETLPF SW TS ADJ TO1 470 -IN TS OUT SS Amp. pin 15 Track CLPF Actuator MITSUBISHI ELECTRIC ( M62481FP ...
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... Offset voltage 10k MITSUBISHI ELECTRIC M62481FP g h Voltage( 1. ...
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... Focus Balance1 (offset) BW WIDE 230k FG SIG FG RET 100k FZC OFF 47p ADJ FO2 3k 100k Focus offset Method I FS Charge ADJ FO1 29 470 Focus Actuator CLPF MITSUBISHI ELECTRIC ( M62481FP FE2 ...
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... Focus Balance1 (offset) BW WIDE 230k FG SIG FG RET 100k FZC OFF 47p 100k ADJ FO2 3k Focus offset Method II FS ADJ FO1 29 FS -IN 470 Focus CLPF Actuator MITSUBISHI ELECTRIC ( / M62481FP ...
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... Offset voltage 10k MITSUBISHI ELECTRIC ( M62481FP g h Voltage( 1. 2. 3.06 3. ...
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... PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT START Initilization Offset Ajustment I Move pick-up to inside Kick disc motor Start Focus Search DOUT1,2=0 NO YES Balance Adjustment Offset Ajustment II Focus Gain Adjustment Start Track Servo CRC=1 NO YES Tracking Gain Adjustment END MITSUBISHI ELECTRIC ( M62481FP ...
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... MITSUBISHI SOUND PROCESSOR LSI PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT (example) V CLPF Pin 27 DATA OUT 0 Pin DCBA<15 ( CBA<7) YES DCBA<-DCBA+1 ( CBA <-CBA +1) Send New Command DOUT1,2=0 NO YES DCBA<-DCBA-1 ( CBA<-CBA-1 ) Send New Command MITSUBISHI ELECTRIC ( / M62481FP ...
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... Adjustment frequency Phase turbulences 1KHz Example Adjustment frequency is shifted to a lower or higher frequency TE Amp. TE Amp. - input 3 Gain control 2 TG SIG TE1 Amp TG TE2 Amp. VREF=1/2Vcc M62481FP MITSUBISHI ELECTRIC M62481FP 10KHz 10KHz Note. Please correspond to phase turbulences with software. ...