JVC KD-S570 Скачать руководство пользователя страница 23 | Manualshive

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NJM4565M-WE (IC151) : Ope. amp

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Содержание KD-S570

Страница 1: ... precaution Location of main parts Disassembly method Adjustment method Flow of functional operation until TOC read Maintenance of laser pickup Description of major ICs 1 2 1 3 1 4 1 9 1 10 1 12 1 13 This service manual is printed on 100 recycled paper COMPACT DIGITAL AUDIO KD S620 KD S620 KD S620 KD S570 KD S570 KD S570 31 Model KD S620 KD S570 Remote control unit ...

Страница 2: ...e left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Страница 3: ...arts Control unit CD mechanism Display LED key control board Main board Tuner pack Main board Connector to controller Power IC ISO connector Antenna jack Loading motor Mechanism relay board Damper Optical pick up unit Damper Feed motor Spindle motor ...

Страница 4: ...tion of the arrow Removing the front chassis See Fig 2 Removing the heat sink See Fig 3 1 Remove the three screws A attaching the heat sink on the left side of the body and remove the heat sink Removing the bottom cover See Fig 4 1 2 Turn the body upside down Insert a screwdriver to the two joints c and two joints d on both sides of the body and the joint e on the back of the body then detach the ...

Страница 5: ...hanism assembly Removing the CD mechanism assembly See Fig 7 1 2 3 4 Remove the front chassis Remove the bottom cover Remove the main amplifier board assembly Remove the three screws D attaching the CD mechanism assembly from the top cover Removing the control switch board See Fig 8 and 9 1 2 3 Remove the front chassis Remove the four screws E attaching the rear cover on the back of the front pane...

Страница 6: ...ket slot j Disconnect the flexible wire from connector on the pickup unit Removing the CD mechanism control board See Fig 1 and 2 Turn the FD gear in the direction of the arrow to move the entire pickup unit to the appropriate position where the flexible wire of the CD mechanism unit can be disconnected easily Refer to Fig 2 ATTENTION Fig 1 Fig 2 Fig 3 Fig 4 Front bracket CD mechanism control boar...

Страница 7: ...ise the both sides fix arms and move the fix plates in the direction of the arrow to place the four shafts l as shown in Fig 8 and 9 Remove the CD mechanism ass y and the two springs m attaching the flame Remove the two screws J and both sides rear damper brackets from the dampers Detach the CD mechanism ass y from the left side to the right side 1 2 3 4 Removing the CD mechanism ass y See Fig 1 6...

Страница 8: ...ckup mount nut from the pickup unit Pull out the FD screw 2 Removing the pickup unit See Fig 10 and 11 When reattaching the pickuap unit reattach the part o of the pickup unit then the part n of the FD screw ATTENTION Prior to performing the following procedure remove the CD mechanism control board the front bracket loading motor the CD mechanism ass y and the feed motor ass y Turn up the CD mecha...

Страница 9: ... 2 Speakers connection Output Level Line out 2 0V Vol MAX How to connect the extension cable for adjusting Dummy load Exclusive dummy load should be used for AM and FM For FM dummy load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard Standard volume position Balance and Bass Treb...

Страница 10: ...vo Loop ON When the laser diode correctly emits Microprocessor commands Rough Servo Mode CLV Servo Mode ProgramArea CLV Servo Mode Lead In Area Digital 0 RF signal Flow of functional operation until TOC read When the pickup correctly moves to the inner area of the disc TERMINAL Microprocessor commands FMO TC9462 53 FEED MOTOR TERMINAL IC581 5 REST SW When the disc correctly rotates Tracking Servo ...

Страница 11: ...pins 15 18 Check the pickup and its connections NO YES YES YES Does the S search waveform appear at IC581 pins 17 and 18 Is the disk rotated Does the RF signal appear at TP1 Is 4V present at IC581 pins 7 and 8 Check the spindle motor and its wiring Is 4V present at IC521 pin 55 Check the vicinity of IC581 Check IC501 and IC521 YES NO NO NO NO NO YES YES YES Check the circuits in the vicinity of IC...

Страница 12: ...Since this adjustment should be performed to match the characteristics of the whole optical block do not touch the semi fixed resistor If the laser power is lower than the specified value the laser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current ...

Страница 13: ... IMO IBL IAL Serial data input output Ground output left rear output left front Treble control capacitor left channel or input from an external equalizer Bass control capacitor leftchannel or output to an external equalizer Bass control capacitor left channel Input volume 1 left control part Input loudness left control part Output source selector left channel Not used Not used Input C left source ...

Страница 14: ... PDE PDER PDFR TBAL FBAL EF EF OUT TE TE OUT CROSS TE BPF VDET LD OFF VREF ENV 30 24 25 26 23 22 1 4 3 33 32 34 31 36 35 13 14 15 16 20 2 21 6 29 7 28 27 8 9 10 17 11 12 19 ENV CURCUIT RF DET AGC EQ BDO OFTR VCBA VCBA VCBA VCBA 1 Pin layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 2 Block diagram ...

Страница 15: ...ror Inverse input pin for tracking error amp Tracking error signal output Tracking error cross output Input pin of tracking error through BPF Vibration detection signal output Connect to ground Reference voltage output Description APC amp input terminal APC amp output terminal APC ON OFF control terminal Envelope output Ground RF detection signal output Of track status signal output BDO output pin...

Страница 16: ...QCK SUBQ AVDD2 CLVS CRC BLKCK CLDCK SBCK SUBC DEMPH RESY FLAG6 RESY EFM DEMODULATION SUBCODE DEMODULATION SYNC INTERPOLATION 16k SRAM CIRC ERROR CORRECTION DEINTERLEVE LRCKIN MSEL BCLK SSEL SRDATAIN PSEL IOSEL DIGITAL DEEMPHSIS 8TIMES OVER SAMPUNC DIGITAL FILTER 1BIT DAC LOGIC S PEM R PEM L DIGITAL AUDIO INTERFACE DIGITAL AUDIO INTERFACE INTER POLATION SOFT MUTING DIGITAL ATTENUATION PEAK DETECTIV...

Страница 17: ...signal output Kick pulse output Tracking drive output Focus drive output Reference voltage input pin for D A output block TVD FOD FBA TBAL Focus Balance adjust signal output Tracking Balance adjust signal output Focus error signal input Analog input Tracking error signal input Analog input RF envelope signal input Analog input Vibration detect signal input H detect Off track signal input H off tra...

Страница 18: ...D REV Power for channels 3 4 and 5 VCC1 and VCC S short circuited Loading output Loading output Output pin for channel 4 Output pin for channel 4 Output pin for channel 3 Output pin for channel 3 Output pin for channel 2 Output pin for channel 2 Output pin for channel 1 Output pin for channel 1 Power for channels 1 and 2 BTL VCC S and VCC2 short circuited Input pin for channel 1 Input pin for chan...

Страница 19: ...LSI command data output CD LSI command load signal No use No use E volume clock output E volume data output 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 76 75 76 77 78 79 80 CD ON RELAY BBE CTL BEEP SW4 SW1 SW3 REST JOG0 JOG1 CD SENSE STATUS P SAVE2 SD ST REMOCON J BUS INT BAND MONO IFRQ AGC MUTE LEVEL S METER KEY CHANGE KEY2 KEY1 KEY0 P SAVE1 ...

Страница 20: ... amp 1 Pin layout 2 Block diagram IN1 IN2 IN3 IN4 STBY 2 1 11 13 23 10 TAB PROTECTOR ASO SURGE TSD INPUTBUFFER1 INPUTBUFFER2 INPUTBUFFER3 INPUTBUFFER4 AMP1 AMP2 AMP3 AMP4 MUTE PVCC1 PVCC2 INVCC 12 22 14 18 6 3 4 5 7 8 9 15 16 17 19 20 21 1 23 ...

Страница 21: ...1 21 7 OUT 2 3 RIN 12k 20k 5 2 8 GND GND COM 6 8k 6 8k 20k 12k 1 FIN 9 OUT1 6 Vcc 2 Function truth table 1 Block diagram 3Pin IN H L H L 1Pin IN L H H L 7Pin OUT H H L OPEN 9Pin OUT H L L OPEN BA6218 IC542 Motor driver ...

Страница 22: ...POUT ANT CTRL VCC BATT DET AUDIO OUT CTRL CD OUT ILM AJ ILM OUT GND Output voltage is VCC 1 V when M or H level applied to CTRL pin Output voltage is VCC 1 V when M or H level to CTRL pin and H level to ANT CTRL Connected to ACC Regular 5 7V Output voltage is 5V when M or H level applies to CTRL pin Output for ACC detector L ANT output OFF H ANT output ON Connected to VCC Low battery detect Output...

Страница 23: ...KD S570 KD S620 1 23 8 7 6 5 4 3 2 1 V B OUTPUT B INPUT B INPUT A INPUT A INPUT A OUTPUT V NJM4565M WE IC151 Ope amp ...

Страница 24: ...Printed in Japan 200012 V VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city Japan No 49581 KD S570 KD S620 ...

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