JVC KD-S577 Service Manual Download Page 26

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2-1

KD-S577

TU701

FM / AM

TUNER

LCH

RCH

IC301

E. VOLUME

IC321

POWER AMP

REAR LCH

FRONT LCH

FRONT RCH

REAR LCH

FRONT LCH

FRONT RCH

REAR RCH

IC801

MICOM

KEY 0~2

Main section

IC151

CD LPF

OP AMP

REAR RCH

ANT.

TRACKING

FOCUS

Block diagram

IC561

DIGITAL SERVO

DIGITAL SIGNAL

PROCESSOR

D/A CONNECTOR

OUT R

OUT L

ARF

IC501

RF AND SERVO AMP

ARF

PICK UP

CD RESET,

STATUS,

SUBQ,

SQCK

CD. SENSE,

MLD,

MDDATA

MCLOK,

MONO

SD/ST

S.METER

AGC

IF.C

FMOSC

IC541

SERVO BTL

DRIVER

Pick up section

Mecha section

MOTOR

FEED

MOTOR

SPINDLE

MOTOR

SW1

LCD & key control section

IC601

LCD DRIVER

C
D

LCD.CE, LCD.SO, LCD-CLK

RESET SW

RESET

SW1

SDA

SCL

CDR

CDL

w w w . x i a o y u 1 6 3 . c o m

Q Q 3 7 6 3 1 5 1 5 0

T E L

1 3 9 4 2 2 9 6 5 1 3

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for KD-S577

Page 1: ...ustment method Flow of functional operation until TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1 2 1 3 1 4 1 5 1 10 1 11 1 13 1 13 1 14 COMPACT DIGITAL AUDIO www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu...

Page 2: ...s system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 3: ...ndition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 4 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the ...

Page 4: ...Power IC ISO connector Antenna jack Loading motor Mechanism relay board Damper Optical pick up unit Damper Feed motor Spindle motor www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 5: ...ng 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 bottom cover from the body b a a b A A A Heat sink c d e Fig 2 Fig 1 Fig 3 Fig 4 Regulator board Front chassis Release swit...

Page 6: ...ain board assembly Remove the three screws D attaching the CD mechanism assembly from the top cover Removing the LCD key control 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 panel unit Remove the LCD key control board from the front panel unit C Fig 5 Fig 6 B B C C CD mechanism assembly D D D Top cover Fig 7 E E E E...

Page 7: ... Refer to Fig 2 ATTENTION Prior to performing the following procedure remove the CD mechanism control board Remove the two springs f attaching the CD mechanism assembly and the front bracket Remove the two screws B and the front bracket while pulling the flame outward Remove the belt and the screw C from the loading motor 1 2 3 Removing the loading motor See Fig 3 to 5 CD mechanism section Fig 2 F...

Page 8: ...ide to the right side 1 2 3 4 Removing the CD mechanism assembly See Fig 1 6 to 9 The CD mechanism assembly can be removed if only the rear damper bracket on the left side is removed ATTENTION Fig 6 Fig 7 Fig 8 Fig 9 Rear damper bracket Fix arm R Damper D D Damper bracket CD mechanism assembly Flame h h D D Fig 1 Front bracket CD mechanism control board Damper bracket h c d b a D D D CD mechanism ...

Page 9: ...ing the pickuap unit reattach the part j of the pickup unit then the part i 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 assembly and the feed motor assembly Turn up the CD mechanism assembly and remove the two springs k on both sides of the clamper arms Open the clamper arm upward Turn ...

Page 10: ...usting 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 Treble volume lndication 0 Loudness OFF BBE OFF Frequency Band FM 87 5MHz 108 0MHz MW 531kHz 1602 kHz EX...

Page 11: ...V 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 Loop ON Servo CLV Rough Servo Acceleration Acceleration Microprocessor commands Spindle motor IC581 7 0 5 Sec 0 5 Sec ...

Page 12: ...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 IC501 19 24 or the pickup Is the RF waveform at TP1 distorted Proceed to the Tracking section When the disc is rotated a...

Page 13: ...i 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 Turn off the power switch and disconnect the power cord from the ac outlet Replace the pickup with a normal one Refer ...

Page 14: ...BUFFER3 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 Description of major ICs www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 15: ...LATION 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 DETECTIVE AUTO CUE D A CONVERTER OUTPUT PORT AVSS1 AVDD1 OUTR OUTL FLAG IPFLAG TX ECM PC LRCK SRDATA BCLK DMUTE TRKV KICK VREF...

Page 16: ...ock 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 track Track cross signal input RF detect signal input L detect BDO input pin L detect Laser ON signal output H on I I I I...

Page 17: ...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 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ ...

Page 18: ... of tracking error through BPF Vibration detection signal output Connect to ground Reference voltage output Function 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 A capacitor is connected to this terminal to detect the envelope of RF signal RF output Connecting pin of AGC loo...

Page 19: ... CH4 CH2 CH1 CH3 22K 11K 5VREG PNPT r The outside puuting 22K 22K 22K 11K 11K 11K CH1 2 Power supply LA6567H X IC541 Servo BTL driver 1 Pin layout blockdiagram Level shift Level shift Level shift Level shift Thermal shutdown Input Signal system power supply www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299...

Page 20: ...input terminal Signal system power supply It is short with VCC1 VCC2 CH4 Input terminal For gain adjustment CH4 Input terminal 5CH VLO Output voltag set terminal Signal system GND 5CH VLO Signal output switch terminal FWD Input of logic of loading part 5CH VLO Signal output switch terminal REV Input of logic of loading part Function VCC2 V05 V05 V04 V04 V03 V03 V02 V02 V01 V01 VCC1 VIN1 VIN1G VIN2...

Page 21: ...4 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 SENSE FM IF COUNT Vdd AM OSC FM OSC Vss EO TEST1 XOUT CD 8V supply on 5V power control No use No use CD mechanism swit...

Page 22: ...d 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 voltage is 9V when M or H level applied to CTRL pin L BIAS OFF M BIAS ON H CD ON Output voltage is 8V when H level ap...

Page 23: ...eft 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 Not used Input B left source Input A left source I O O O I I I O I I I Symbol I O Symbol I O Input A right...

Page 24: ...T A OUTPUT V NJM4565M IC151 Operational Amp www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 25: ...LE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city Japan No 49629 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 26: ...D SERVO AMP 10 44 ARF PICK UP 36 35 VA VB VC 6 4 2 CD RESET STATUS SUBQ SQCK CD SENSE MLD MDDATA MCLOK MONO SD ST S METER AGC IF C FMOSC IC541 SERVO BTL DRIVER Pick up section Mecha section LOADING MOTOR FEED MOTOR SPINDLE MOTOR M SW1 LCD key control section IC601 LCD DRIVER L C D LCD CE LCD SO LCD CLK RESET SW M M RESET SW1 17 SDA SCL CDR CDL 1 32 17 16 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1...

Page 27: ... 7K 47K 150p 0 1 150p 0 033 0 033 0 22 0 22 22K 22K 27K 27K 27K 27K 2SA1037AK HA13158A 150p DAN202U X 100P LC72366 9989 3 3K 100P 100P 100P 100P 100P 100P 100P 100 16 47k 180 0 01 2SD1048 2SD1048 2 2K 1K 1K 1K QAU0205 001 2 2K 100 TEA6320T DTA114EKA X 2SB1197 2SC2412 2SC2412 2 2 50 0 001 1K 10K 1 5K 1K 33uH 2200 16 1N5401TU QNZ0002 001 100 47K 1SS254 T2 10 16 SB10 03A3 T2 470 2 2K QAX0406 001Z 4 7...

Page 28: ...3 0 01 1M 120K 68K 330 100 10 100 10 4 7uH 4 7uH 0 01 220 6 3 0 01 0 022 0 01 0 01 0 022 0 001 0 001 22 16 1K 20K 1K 1K 3 3K 3P 3 9K 0 1 1 50 100P 0 027 0 0047 0 01 0 22 270K 150K 220K 4 7uH 8 2K 820P 1K 1K 1K 1K 1K 1K 0 01 1K 8 2K 3 3K 12K 56K 150K 30K 8 2K 0 0012 CD8V A GND 9V LDON VC MD VC VB VA VE VF CD LCH RFENV SW1 FOCUS FOCUS MD LD LM0 VREF FOCUS FOCUS TRACKING TRACKING REST SPINDLE SPINDLE...

Page 29: ...1 R612 R658 R653 C603 D642 S614 D617 D613 D616 PL601 PL602 D615 D620 IC602 R661 C612 C611 D614 D609 D612 D611 D610 D605 D608 D607 D606 D601 D604 D603 D619 D618 IC601 LCD1 D602 D641 CJ601 S601 S621 R652 R654 R655 R656 R618 S602 S608 S615 S603 S604 S605 S606 S609 S610 S611 S612 S613 S616 S617 S618 S619 S620 R615 R614 R616 R617 R606 R607 R611 R610 R609 R608 R601 R602 R603 R604 R605 R651 S607 R613 R63...

Page 30: ...3 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R541 R542 R543 R544 R545 R546 R547 R548 R560 R561 R562 R563 R564 R567 R568 R569 R570 R571 R572 R573 R574 R801 R803 R804 R805 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R818 R822 R823 R825 R826 R827 R828 R829 R830 R831 R832 R833 R834 R835 R836 R861 R862 R701 R703 R705 R708 R731 R732 R733 R734 R791 R792 R795 R796 R798 R90...

Page 31: ...604 S605 S606 S607 S608 S609 S610 S611 S612 S613 S614 S615 S616 S617 S618 S619 S620 S621 FSMW1079A S11 C602 C603 C611 C612 CJ601 D641 D642 IC601 IC602 PL601 PL602 R634 R635 R636 R637 R638 R639 R653 R657 R658 R661 R662 48 49 64 16 17 32 33 1 T11 LCD key control board Forward side Reverse side www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL...

Page 32: ...anism assembly and parts list Electrical parts list Packing materials and accessories parts list KD S577 3 2 3 4 3 7 3 11 Area suffix UR Brazil www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 33: ...4 35 31 30 31 14 15 11 16 9 13 12 9 40 5 4 38 7 3 10 7 42 41 39 44 43 8 8 8 46 46 47 45 Main board Front board www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 34: ...SXP2034 034 D FUNC BUTTON 1 CD FM AM 24 FSXP4005 029 BBE BUTTON 1 SCM 25 FSXP3068 001 PUSH BUTTON 1 26 FSXP2044 001 COMBO BUTTON 1 27 FSXP3055 001 DETACH BUTTON 1 28 FSKW3002 012 COMP SPRING 1 FOR DETACH BUTT 29 FSJK3026 001 CD LENS 1 30 FSJC1043 002 REAR COVER 1 31 VKZ4777 001 MINI SCREW 4 FRONT REAR 32 QLD0161 002 LCD 1 LCD1 33 FSYH3023 001 LCD CASE 1 34 FSJK3035 001 LCD LENS 1 35 FSKS3022 002 L...

Page 35: ...7 40 63 39 a 51 52 109 132 86 113 113 134 80 117 92 84 c 79 88 93 22 22 89 62 81 82 116 102 101 108 100 133 57 Grease G 31SA G 31SA Bottom side RX 405 CD mechanism assembly and parts list Block No M M M 2 TN CCD1001Z 136J www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498...

Page 36: ...10544T F M BASE Z 1 33 30310547T FD GR BLK Z 1 36 30310546T PU GUIDE Z 1 38 30310533T THRUST SPR M 1 39 30310548T PU M NUT Z 1 40 30310512T NUT PUSH SPR PL 1 41 30310558T CLP ARM Z 1 42 30310514T CLP ARM SPRING 1 43 30310552T CLAMPER Z 1 48 30310557T CLAMPER PLATE Z 1 49 30310524T DAMPER J 3 50 30310525T CLP ARM SPR L 1 51 30310545T F SCREW GUIDE Z 1 52 30310556T PU G SP PLT Z 1 56 64180405T DET S...

Page 37: ...17223T SCREW 2 M1 7X2 2 104 9C0917703T C TAP SCREW S3 1 M1 7X7 105 9C0320201T C TAP SCREW S3 1 M2X2 106 9C4920013T C TAP SCREW S3 2 M2X10 107 9C4920603T C TAP SCREW B3 4 M2X6 108 9P0220031T TAMS SCREW 2 M2X3 109 9C0314203T C TAP SCREW 1 M1 4X2 110 9C0420253 C TAP SCREW 1 M2X2 5 113 9W0330276 NW BLUE 2 2 9X5X0 3 116 9W0725030T LUMILAR W 1 2 3X9 8X0 25 117 9W0640030T WASHER 1 1 4X3 2X0 4 130 3031053...

Page 38: ... QEKJ1AM 107Z E CAPACITOR 100MF 20 10V C 517 NCS31HJ 821X C CAPACITOR C 518 NCB31AK 224X C CAPACITOR C 519 NCB31EK 473X C CAPACITOR C 520 NDC31HJ 560X C CAPACITOR C 521 NCS31HJ 391X C CAPACITOR C 522 NCB31HK 223X C CAPACITOR C 523 NCB31HK 223X C CAPACITOR C 524 NCB31HK 102X C CAPACITOR C 525 NCB31HK 102X C CAPACITOR C 527 NCB31EK 223X C CAPACITOR C 541 QERF1CM 226Z E CAPACITOR 22MF 20 16V C 542 NC...

Page 39: ...A63J 273X MG RESISTOR R 321 NRSA63J 473X MG RESISTOR R 322 NRSA63J 181X MG RESISTOR R 323 NRS181J 472X MG RESISTOR R 333 NRSA63J 102X MG RESISTOR R 334 NRSA63J 101X MG RESISTOR R 336 NRSA63J 222X MG RESISTOR R 401 NRSA63J 223X MG RESISTOR R 402 NRSA63J 222X MG RESISTOR R 403 NRSA63J 473X MG RESISTOR R 404 NRSA63J 473X MG RESISTOR R 407 NRSA63J 273X MG RESISTOR R 408 NRSA63J 273X MG RESISTOR R 433 ...

Page 40: ...3J 473X MG RESISTOR R 816 NRSA63J 473X MG RESISTOR R 817 NRS181J 472X MG RESISTOR R 822 NRSA63J 222X MG RESISTOR R 823 NRSA63J 473X MG RESISTOR R 825 NRS181J 473X MG RESISTOR R 826 NRSA63J 473X MG RESISTOR R 827 NRSA63J 473X MG RESISTOR R 828 NRSA63J 473X MG RESISTOR R 829 NRS181J 473X MG RESISTOR R 830 NRS181J 223X MG RESISTOR R 831 NRSA63J 472X MG RESISTOR R 832 NRS181J 223X MG RESISTOR R 833 NR...

Page 41: ...ESISTOR R 618 NRSA02J 152X MG RESISTOR R 631 NRSA02J 821X MG RESISTOR R 632 NRSA02J 391X MG RESISTOR R 633 NRSA02J 391X MG RESISTOR R 634 NRSA02J 271X MG RESISTOR R 635 NRSA02J 271X MG RESISTOR R 636 NRSA02J 271X MG RESISTOR R 637 NRSA02J 271X MG RESISTOR R 638 NRSA02J 271X MG RESISTOR R 639 NRSA02J 271X MG RESISTOR R 640 NRSA02J 271X MG RESISTOR R 641 NRSA02J 271X MG RESISTOR R 651 NRSA63J 222X M...

Page 42: ...M4MM A 1 INST BOOK 1 A 2 INSTALL MANUAL 1 A 3 RESET NOT SHT 1 A 4 SVC CEN WARRANT 1 A 5 VKZ4027 202 PLUG NUT 1 A 6 VKH4871 001SS MOUNT BOLT 1 A 7 VKZ4328 001 LOCK NUT 1 FOR M5 A 8 WNS5000Z WASHER 1 A 9 FSKL4010 002 HOOK 2 A 10 FSJB3001 30A HARD CASE 1 A 11 FSKM2004 003SSF MOUNTING SLEEVE 1 A 12 QAM0089 001 16P CORD ASSY 1 CONVERT ISO CON A 13 FSJD2034 002SSF TRIM PLATE 1 LIGHT GOLD www xiaoyu163 c...

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