JVC KD-S871R Service Manual

[Page 1] JVC KD-S871R

SERVICE MANUAL CD RECEIVER No.49691 Feb. 2002 COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD. KD-S871R KD-S871R Contents Safety precaution Preventing static electricity Important for laser products Disassembly method Adjustment method 1-2 1-3 1-4 1...

[Page 2] JVC KD-S871R

1-2 KD-S871R ! Burrs formed during molding may be 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 direc...

[Page 3] JVC KD-S871R

1-3 KD-S871R Conductive material (conductive sheet) or iron plate (caption) Anti-static wrist strap Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, ca...

[Page 4] JVC KD-S871R

1-4 KD-S871R Important for laser products 1.CLASS 1 LASER PRODUCT 2.DANGER : Invisible laser radiation when open and inter lock failed or defeated. Avoid direct exposure to beam. 3.CAUTION : There are no serviceable parts inside the Laser Unit. D...

[Page 5] JVC KD-S871R

1-5 KD-S871R Press the eject button in the lower right part of the front panel. Remove the front panel assembly from the body. 1. Removing the front panel assembly (See Fig.1) Prior to performing the following procedure, remove the front panel as...

[Page 6] JVC KD-S871R

1-6 KD-S871R Remove the three screws A on the left side of the body. 1. Removing the heat sink (See Fig.4) Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly and the heat sink. Turn over the b...

[Page 7] JVC KD-S871R

1-7 KD-S871R Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly, the heat sink and the bottom cover. Remove the screw B, the two screws C and the three screws D attaching the rear bracket on...

[Page 8] JVC KD-S871R

1-8 KD-S871R Prior to performing the following procedure, remove the front panel assembly. Remove the four screws G attaching the rear cover on the back of the front panel assembly. Unjoint the eleven joints c with the front panel and the rear co...

[Page 9] JVC KD-S871R

1-9 KD-S871R Unsolder the part a and b on the CD mechanism control board. Remove the stator fixing the CD mechanism control board and the damper bracket (To remove the stator smoothly, pick up the center part). Remove the screw A attaching the CD...

[Page 10] JVC KD-S871R

1-10 KD-S871R Prior to performing the following procedure, remove the CD mechanism control board and the front bracket (loading motor). Remove the three screws D and the damper bracket. Raise the both sides fix arms and move the fix plates in th...

[Page 11] JVC KD-S871R

1-11 KD-S871R Prior to performing the following procedure, remove the CD mechanism control board, the front bracket (loading motor) and the CD mechanism assembly. Remove the two screws F and the feed motor assembly. 1. Removing the feed motor ass...

[Page 12] JVC KD-S871R

1-12 KD-S871R Adjustment method Test instruments required for adjustment 1. Digital oscilloscope (100MHz) 2. AM Standard signal generator 3. FM Standard signal generator 4. Stereo modulator 5. Electric voltmeter 6. D...

[Page 13] JVC KD-S871R

1-13 KD-S871R Power ON Set Function to CD Play Jump to the first track TOC readout Tracking loop closed Disc rotates Disc inserted YES YES Laser emitted Pickup feed to the inner area Focus search RF signal eye-pattern opens RF signal eye-pattern rem...

[Page 14] JVC KD-S871R

1-14 KD-S871R Feed Section Focus Section Tracking Section Spindle Section Is the voltage output at IC521 pin "53" 5V or 0V? Check the feed motor. Is 4V present at both sides of the feed motor? Is the wiring for IC521 (90) ~ (100) correc...

[Page 15] JVC KD-S871R

1-15 KD-S871R Maintenance of laser pickup (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens with a alcohol soaked cotton swab. (2) Life of the laser diode When the life of the laser d...

[Page 16] JVC KD-S871R

1-16 KD-S871R UPD178078GF-561 (IC701) : System CPU 1.Pin layout 80 ~ 51 1 ~ 30 50 ~ 31 81 ~ 100 Pin NO. 1 2 3 4 5 6,7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30,31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 - I ...

[Page 17] JVC KD-S871R

1-17 KD-S871R Pin NO. 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61~68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89~98 99 100 - O O - I I I - - O O O - - - - O O O O I/O I/O I/O I/O O I I I - - O O O - O - - - - GNDPLL AMEO FMEO ...

[Page 18] JVC KD-S871R

1-18 KD-S871R 11 6 20 1 4 10 15 25 13 14 16 12 9 8 5 7 2 22 17 19 18 21 23 24 3 - + - + - + - + - + - + - + - + IN 1 IN 2 ST BY Vcc 1/2 Vcc 3/4 OUT 1+ OUT 1- PWR GND1 OUT 2+ OUT 2- PWR GND2 R.F IN 3 IN 4 PRE GND ON TIME C Muting & ON Time Contro...

[Page 19] JVC KD-S871R

1-19 KD-S871R 2.Terminal layout 3.Pin function LA4743K TAB GND OUTRR- STBY OUTRR+ VCC1/2 OUTRF- GND OUTRF+ RIPPLE INRF INRR SGND INLR INLF ONTIME OUTLF+ GND OUTLF- VCC3/4 OUTLR+ MUTE OUTLR- GND NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21...

[Page 20] JVC KD-S871R

1-20 KD-S871R VCC2 V05- V05+ V04+ V04- V03+ V03- V02+ V02- V01+ V01- VCC1 VIN1 VIN1G FR REV FWD S-GND VCONT VIN4 VIN4G VCC-S VREF-IN REG-OUT REG-IN VIN3G VIN3 VIN2G VIN2 FR 28 27 26 25 24 23 22 21 20 19 18 17 16 15 FR 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

[Page 21] JVC KD-S871R

1-21 KD-S871R 2. Pin function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin no. Symbol CH3,4,5 Power supply( It is short with VCC1,VCC-S) Loading output(-) Loading terminal (+) CH4 Output terminal(+) CH4 Output termin...

[Page 22] JVC KD-S871R

1-22 KD-S871R 2.Pin function 50 V REF 49 TRO 48 FOO 47 TEZI 46 TEI 45 TSIN 44 SBAD 43 FEI 42 RFRP 41 RFZI 40 RFCT 39 AV DD 38 RFI 37 SLCO 36 AV SS 35 VCOF 34 VCOREF 33 PV REF 32 LPFO 31 LPFN 81DV SR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...

[Page 23] JVC KD-S871R

1-23 KD-S871R 26 27 28 29 30 31 32 33 34 35 36 37 38 39 HSSW ZDET PDO TMAXS TMAX LPFN LPFO PVREF VCOREF VCOF AVSS SLCO RFI AVDD Non connected Non connected Phase difference signal output terminal of EFM signal and PLCK signal. TMAX detection result ...

[Page 24] JVC KD-S871R

1-24 KD-S871R 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87~89 90~93 94 95 96 97 98 99 100 TESIN TESIO1 VSS PXI PXO VDD XVSS XI XO XVDD DVSR RO DVDD DVR LO DVSL TEST1~3 BUS0~3 VDD VSS BUCK CCE TEST4 TSMOD RST Test input terminal, Normally, keep ...

[Page 25] JVC KD-S871R

1-25 KD-S871R 2 1 11 12 10 15 13 14 5 4 6 3 8 9 7 Surge Protector BIAS TSD HA13164A (IC961) : Regurator 1.Pin layout 2.Block daiagram 3.Pin function Pin No. Symbol Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 REMOTE ANT ACC.IN VDD5V SW5V ACC5V ANT CT...

[Page 26] JVC KD-S871R

1-26 KD-S871R Vcc Vcc Input See Function Table 1A 2A 3A 4A 1C 2C 3C 4C 1Y 2Y 3Y 4Y Output Output Output Output Sample as Load Circuit 1 Sample as Load Circuit 1 Sample as Load Circuit 1 1k 1k S1 CL Input Output C L H H A X L H Y Z H L 1 2 3 4 5 6 7 1...

[Page 27] JVC KD-S871R

1-27 KD-S871R 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 S48 S47 S46 S45 S44 S43 S42 S41 S40 S39 S38...

[Page 28] JVC KD-S871R

1-28 KD-S871R ANTI- ALIASING FILTER CLOCKED COMPARATOR COSTAS LOOP VARIABLE AND FIXED DIVIDER 57 kHz BAND PASS (8th ORDER) RECONSTRUCTION FILTER OSCILLATOR AND DIVIDER BIPHASE SYMBOL DECODER TEST LOGIC AND OUTPUT SELECTOR SWITCH CLOCK REGERATION AND...

[Page 29] JVC KD-S871R

1-29 KD-S871R TA2109F-X (IC521) : RF amp. 1. Pin layout 2. Block diagram 3. Pin function Pin function 24 13 112 1 2 3 4 5 6 7 8 9 10 11 12 - I I I I I O I I O I O Power supply input terminal Main beam I-V amp input terminal Main beam I-V amp input t...

[Page 30] JVC KD-S871R

1-30 KD-S871R 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 SDA GND OUTLR OUTLF TL B2L B1L IVL ILL QSL INCDCHL IMD INTUL INCDL SCL VCC OUTRR OUTRF TR B2R B1R IVR ILR QSR Vref INCDCHR CAP INTUR INCDR CD-CH TAPE...

[Page 31] JVC KD-S871R

KD-S871R VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.49691) 200202 ...

[Page 32] JVC KD-S871R

A B C 1 2 3 4 5 K D- S8 71R 2-1 Block diagram Pickup CN501 CJ601 CP601 IC501 BTL DRIVER IC521 RF AMP IC541 DSP & DAC IC581 CD LPF IC161 E.VOLUME IC301 POWER AMP. CP961 IC71 RDS DETECTER TU1 TUNER PACK LCD1 IC601 LCD DRIVER KEY MATRIX S...

[Page 33] JVC KD-S871R

< MEMO > KD-S871R 2-2 ...

[Page 34] JVC KD-S871R

Parts are safety assurance parts. When replacing those parts make sure to use the specified one. Tuner signal CD signal Front signal Rear signal Standard schematic diagram Receiver & power amplifier circuit A B C D E F G 1 2 3 4 5 2-...

[Page 35] JVC KD-S871R

CD /MAIN signal H A B C D E F 1 2 3 4 5 KD-S871RKD-S871R 2 - 4 IC521 IC541 D502 R508 R507 R506 CN501 IC501 R527 R528 C526 Q501 C523 C525 R532 R531 R533 R534 C533 C522 C521 R549 R548 R546 R547 R550 TP2 C548 C547 C553 C550 C551 C552 C5...

[Page 36] JVC KD-S871R

A B C D E F G 1 2 3 4 5 2- 5 KD-S871R R602 R658 R653 C653 D652 D653 D618 D612 D616 Q663 D614 S601 IC602 R671 R672 C672C671 D613 D609 D611 D610 D606 D608 D607 D603 D605 D615 R681 S620 Q662 D651 IC601 Q664 D604 LCD1 D617 S606 D621 R662 R6...

[Page 37] JVC KD-S871R

H A B C D E F G 1 2 3 4 5 KD-S871RKD-S871R 2- 6 Printed circuit boards Main board(Forward side) Front board(Reverse side) Main board(Reverse side) Front board(Forward side) D601 D602 D603 D604 D605 D606 D607 D608 D609 D610 D611 D612 D...

[Page 38] JVC KD-S871R

KD-S871R 3-1 PARTS LIST * All printed circuit boards and its assemblies are not available as service parts. - Contents - Exploded view of general assembly and parts list (Block No.M1) CD mechanism assembly and parts list (Block No.MB) Electrical p...

[Page 39] JVC KD-S871R

KD-S871R 3-2 Front board A B Main board A B LCD1 Exploded view of general assembly and parts list Block No. M M M 1 1 17 18 29 21 22 26 23 27 28 20 24 19 41 30 14 15 11 7 7 43 40 45 44 8 8 47 48 8 46 39 5 4 38 34 37 33 36 35 32 9 9 3 10 16 13 12 31 ...

[Page 40] JVC KD-S871R

KD-S871R 3-3 Item Parts number Parts name Area A Parts list (General assembly) Q'ty Description Block No. M1MM 1 --------------- CD MECHA 1 TN-CCD1001Z-136J 2 FSJC1029-404 TOP CHASSIS 1 3 FSMH3001-202 SIDE PANEL 1 4 FSKM3011-002 BOTTOM COVER 1 5...

[Page 41] JVC KD-S871R

KD-S871R 3-4 101 102 23 102 23 1 101 101 101 49 20 62 68 67 61 72 110 62 66 65 64 10 11 8 9 100 2 14 15 13 12 17 16 90 70 71 5 7 91 4 3 7 6 19 18 105 48 43 50 41 42 103 49 49 56 107 131 36 107 107 38 32 33 130 106 29 108 106 135 104 107 40 63 39 51 5...

[Page 42] JVC KD-S871R

KD-S871R 3-5 Item Parts number Parts name Area A Parts list (CD mechanism) Q'ty Description Block No. MBMM 1 30310101T FRAME 1 2 30310103T DANPER PIN 2 3 30310107T UPPER PLATE 1 4 30310108T SEL STOP PLATE 1 5 30310142T SEL ARM (L)L 1 6 30310143T...

[Page 43] JVC KD-S871R

KD-S871R 3-6 Item Parts number Parts name Area A Parts list (CD mechanism) Q'ty Description Block No. MBMM 71 64180403T DET SWITCH 2 ESE22MH3 72 68150232T CONNECTOR 1 TKC-W26X-C1 79 30311105T SOPPORT PLATE 1 80 30311138T GR MT BLK(N) 1 81 303111...

[Page 44] JVC KD-S871R

KD-S871R 3-7 Item Parts number Parts name Ar e a Electrical parts list (Main board) Remarks Block No. 01 A Item Parts number Parts name Ar e a Remarks A C 1 NDC31HJ-5R0X C CAPACITOR C 2 NDC31HJ-100X C CAPACITOR C 3 QERF1HM-104Z E CAPACITOR ...

[Page 45] JVC KD-S871R

KD-S871R 3-8 Item Parts number Parts name Ar e a Electrical parts list (Main board) Remarks Block No. 01 A C 591 NCS31HJ-821X C CAPACITOR C 592 QEKJ1EM-475Z E CAPACITOR 4.7MF 20% 25V C 593 QEKJ0JM-476Z E CAPACITOR 47MF 20% 6.3V C 594 NCS31HJ-121X C...

[Page 46] JVC KD-S871R

KD-S871R 3-9 Item Parts number Parts name Ar e a Electrical parts list (Main board) Remarks Block No. 01 A R 10 NRS181J-8R2X MG RESISTOR R 31 NRSA63J-102X MG RESISTOR R 32 NRSA63J-103X MG RESISTOR R 33 NRSA63J-152X MG RESISTOR R 41 NRSA63J-332...

[Page 47] JVC KD-S871R

KD-S871R 3-10 Item Parts number Parts name Ar e a Electrical parts list (Main board) Remarks Block No. 01 A R 715 NRSA63J-103X MG RESISTOR R 716 NRSA63J-103X MG RESISTOR R 717 NRSA63J-103X MG RESISTOR R 718 NRSA63J-103X MG RESISTOR R 719 NRSA63J-47...

[Page 48] JVC KD-S871R

KD-S871R 3-11 Item Parts number Parts name Ar e a Electrical parts list (Front board) Remarks Block No. 02 A C 651 NCB31HK-223X C CAPACITOR C 652 NCS31HJ-681X C CAPACITOR C 653 NBE20JM-106X TS E CAP SVB20J C 661 NCS31HJ-101X C CAPACITOR C 662 NBE20...

[Page 49] JVC KD-S871R

KD-S871R 3-12 EX version A1,A3,A5,A6 E version A2~A6 E version A1 P1 A7 A14 A16 P8 P8 P7 P6 P1 P5 A15 P3 P2 KIT:A8~A12 P4 A13 Packing materials and accessories parts list Block No. M M M 3 Block No. M M M 5 ...

[Page 50] JVC KD-S871R

KD-S871R 3-13 Item Parts number Parts name Area A Parts list (Packing) Q'ty Description Block No. M3MM P 1 FSPG4002-001 POLY BAG EX 1 INST.BOOK FSPG4002-001 POLY BAG E 2 INST.BOOK P 2 QPA00801205 POLY BAG 1 KIT P 3 QPA01003003 POLY BAG 1 H...