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JVC NX-CDR7R, Service Manual

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JVC NX-CDR7R Service Manual Download Page 85

3-20

NX-CDR7R

Item

Parts number

Parts name

Area

Remarks

A

R 294

NRSA63J-103X

MG RESISTOR

IC PULL DOWN

R 295

NRSA63J-103X

MG RESISTOR

R 601

NRSA63J-224X

MG RESISTOR

TBAL

R 602

NRSA63J-823X

MG RESISTOR

FBAL

R 603

NRSA63J-393X

MG RESISTOR

FE

R 605

NRSA63J-224X

MG RESISTOR

TE

R 607

NRSA63J-473X

MG RESISTOR

PDE

R 608

NRSA63J-473X

MG RESISTOR

PDF

R 611

NRSA63J-562X

MG RESISTOR

RF

R 613

NRSA63J-562X

MG RESISTOR

RF

R 614

NRSA63J-0R0X

MG RESISTOR

ARF

R 617

NRSA63J-332X

MG RESISTOR

R 631

NRSA02J-2R2X

MG RESISTOR

+5V DE-COUPLE

R 632

NRSA02J-3R9X

MG RESISTOR

APC EMITTER

R 634

NRSA02J-3R9X

MG RESISTOR

APC COLECTOR

R 635

NRSA63J-100X

MG RESISTOR

PU K

R 636

NRSA63J-151X

MG RESISTOR

PU LD

R 651

NRSA63J-102X

MG RESISTOR

LSI RESET

R 652

NRSA63J-102X

MG RESISTOR

STATAS

R 653

NRSA63J-102X

MG RESISTOR

SUBQ

R 654

NRSA63J-102X

MG RESISTOR

BLKCK

R 656

NRSA63J-102X

MG RESISTOR

DQSY

R 657

NRSA63J-101X

MG RESISTOR

SBCK

R 658

NRSA63J-102X

MG RESISTOR

SUBC

R 659

NRSA63J-473X

MG RESISTOR

LD ON

R 661

NRSA63J-203X

MG RESISTOR

LDON

R 662

NRSA63J-683X

MG RESISTOR

ARFF

R 663

NRSA63J-683X

MG RESISTOR

IREF

R 664

NRSA63J-331X

MG RESISTOR

PLLF

R 665

NRSA63J-101X

MG RESISTOR

X2

R 666

NRSA02J-101X

MG RESISTOR

AVDD1 DE-COUPLE

R 667

NRSA02J-4R7X

MG RESISTOR

AVDD2 DE-COUPLE

R 668

NRSA63J-155X

MG RESISTOR

R 669

NRSA63J-562X

MG RESISTOR

VCOF

R 670

NRSA02J-101X

MG RESISTOR

VDD DE-COUPLE

R 671

NRSA63J-684X

MG RESISTOR

DSLB-DSLF

R 673

NRSA63J-683X

MG RESISTOR

IREF CHANGE

R 682

NRSA63J-102X

MG RESISTOR

TE

R 683

NRSA63J-105X

MG RESISTOR

TRSRC

R 685

NRSA63J-683X

MG RESISTOR

DRF

R 691

NRSA63J-681X

MG RESISTOR

OUTL

R 692

NRSA63J-681X

MG RESISTOR

OUTR

R 695

NRSA63J-561X

MG RESISTOR

OUTL

R 696

NRSA63J-561X

MG RESISTOR

OUTR

R 701

NRSA63J-102X

MG RESISTOR

DEMPH

R 801

NRSA63J-272X

MG RESISTOR

VG3

R 802

NRSA63J-152X

MG RESISTOR

FOD

R 803

NRSA63J-472X

MG RESISTOR

TRD

R 804

NRSA63J-103X

MG RESISTOR

TRD

R 805

NRSA63J-562X

MG RESISTOR

TVD

R 808

NRSA63J-183X

MG RESISTOR

ECM

R 809

NRSA63J-152X

MG RESISTOR

ECS

R 811

NRSA63J-473X

MG RESISTOR

/DRMUTE

R 812

NRSA63J-152X

MG RESISTOR

TRD

R 813

NRSA63J-182X

MG RESISTOR

FOD

SW680

QSW0865-001

CAM SWITCH

CAM SW

SW690

QSW0886-002

DETECT SWITCH

P.POSI1

SW691

QSW0886-002

DETECT SWITCH

P.POSI2

SW692

QSW0886-002

DETECT SWITCH

P.POSI3

SW693

QSW0886-002

DETECT SWITCH

SUB.TRY OP/CL

X 251

QAX0684-001Z

C RESONATOR

FOR IC251 8.38M

X 651

QAX0599-001Z

CRYSTAL

FOR IC651

Electrical parts list (CD servo board)

Block No. 04

Item

Parts number

Parts name

Area

Electrical parts list

Remarks

Block No. 05

A

CN620

QGB1214K1-08S

CONNECTOR

SW  1

QSW0844-001

PUSH SWITCH

SW  2

QSW0844-001

PUSH SWITCH

SW  3

QSW0844-001

PUSH SWITCH

SW  4

QSW0844-001

PUSH SWITCH

SW  5

QSW0844-001

PUSH SWITCH

SW  6

QSW0844-001

PUSH SWITCH

Item

Parts number

Parts name

Area

Electrical parts list

Remarks

Block No. 07

A

CN  1

QGF1016F3-06

FFC/FPC CONNE

S   1

QSW0910-002

SWITCH

DW DET SW

S   2

QSW0910-002

SWITCH

OC DET SW

Item

Parts number

Parts name

Area

Electrical parts list

Remarks

Block No. 06

A

CN699

EMV7169-006R

CONNECTOR

S 699

VSH1173-001

LEAF SWITCH

Summary of Contents for NX-CDR7R

Page 1: ... NXCDR7R SP NXCDR7 SP NXCDR7 Contents Safety Precautions Preventing static electricity Important for laser products Disassembly method Adjustment method Confirm method of operation 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 29 1 30 1 32 1 33 1 33 1 34 50 SERVICE MANUAL ...

Page 2: ...net screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particularly any exposed metal part having a return path to t...

Page 3: ...your body 1 1 3 Handling the optical pickup 1 In order to maintain quality during transport and before installation both sides of the laser diode on the replacement optical pickup are shorted After replacement return the shorted parts to their original condition Refer to the next page 2 Do not use a tester to check the condition of the laser diode in the optical pickup The tester s internal power ...

Page 4: ...tion the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure VARNING Osynlig laserstrålning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usy...

Page 5: ...dy Remove the screw B on each side of the body Remove the rear part of the metal cover upward while pulling the lower part of both sides 1 2 3 Disassembly method Main body Removing the metal cover See Fig 1 and 2 Fig 1 Fig 2 A A B 2 Metal cover Metal cover B 2 ...

Page 6: ...e two screws D on the bottom of the body Disengage the joint a on the bottom and the two joints b on the lower side of the body using a screwdriver Then remove the front panel assembly toward the front 1 2 3 4 5 Removing the front panel assembly See Fig 3 to 6 Fig 3 Fig 4 Fig 5 Fig 6 Front panel assembly CN704 CN712 CN705 CN708 Main board Power board CN905 Main board Front panel assembly Joint b C...

Page 7: ... of body Remove the two screws E on the upper side of the body Disconnect connector CN701 CN702 CN703 CN710 CN711 on the main board from other boards respectively 1 2 3 Removing the main board See Fig 7 and 8 Fig 7 Fig 8 CN711 CN704 CN708 Main board E Front panel assembly CN705 CN710 CN709 CN712 CN702 CN703 CN701 CN707 CN706 E Main board CN711 CN710 CN702 CN703 CN701 Front panel assembly CN706 CN7...

Page 8: ... two joints c inward to release Remove the thirteen screws G attaching the rear panel Disengage the two joints d in the lower part of the rear panel using a screwdriver 1 2 3 Removing the rear cover rear panel See Fig 9 to 12 Fig 9 Fig 10 Fig 11 Fig 12 F F Joint c Joint c Rear cover G G G G G G Rear panel Rear panel Joint d Rear panel Joint d ...

Page 9: ...ing the following procedure remove the metal cover the main board and the rear panel Remove the band attaching the wire to the power board on the back of the body Disconnect the wire from connector CN901 CN904 and CN905 on the power board Remove the screw I on the left side of the body Disconnect connector CN902 and CN903 on the power board from the power board and move the power board upward to d...

Page 10: ...ifier board 1 and the power amplifier board 2 Remove the two screws J attaching the IC bracket 1 on the back of the heat sink and remove the power amplifier 1 Remove the three screws K attaching the IC bracket 2 on the back of the heat sink and remove the power amplifier 2 1 2 3 4 5 Removing the power amplifier board 1 power amplifier board 2 heat sink See Fig 16 to 19 Fig 16 Fig 17 Fig 18 Fig 19 ...

Page 11: ...tor CN203 and CN210 on the power board on the back of the body Remove the two screws M attaching the power board Disconnect connector CN204 and CN207 on the power board from the power board 1 2 3 Removing the power board See Fig 21 Disconnect the wire from connector CN210 on the power board Remove the two screws L attaching the fan Push down the clamp which settles the wire extending from the powe...

Page 12: ... on the CD servo board Disconnect the wire from connector CN210 on the power board on the back of the body and release the wire from the notch h of the power amplifier board 2 Remove the four screws N on the upper front side of the body and remove the CDR mechanism cover toward the front The CDR mechanism assembly and the fan are also removed with the CDR mechanism cover 1 2 3 4 When removing the ...

Page 13: ...Then remove the CDR mechanism assembly toward the front 5 When reassembling set the wire extending from the rear of the CDR mechanism board on the side of the CDR mechanism cover marked k as shown in Fig 26 before reattaching the CDR mechanism assembly CAUTION Fig 26 Fig 27 O O Fan Joint bosses j Joint bosses j Joint bosses j CDR mechanism cover k Joint bosses j Joint bosses j Joint bosses j k Fig...

Page 14: ...uner board and the CDR mechanism cover Disconnect the card wire from connector CN504 and CN505 on the CD servo board on the upper side of the body Disconnect the wire from connector CN403 on the power board Remove the two screws P and move the CD servo board in the direction of the arrow to release the two joints l 1 2 3 The CDR mechanism assembly is detachable without removing the CDR mechanism c...

Page 15: ...Move the CD changer mechanism assembly in the direction of the arrow inside of the CD changer mechanism cover and pull out it toward the front while raising it slightly 1 2 3 The CD changer mechanism assembly is detachable without removing the CDR mechanism cover and the CDR mechanism assembly REFERENCE Removing the CD changer mechanism assembly See Fig 31 to 33 Fig 31 Fig 32 Fig 33 Q CDR mechanis...

Page 16: ...of the body and disconnect the wire from connector CN904 Disconnect the wire from connector CN203 on the power board Remove the four screws R on the upper side of the body and remove the power transformer assembly from under the heat sink backward 1 2 3 Removing the power transformer assembly See Fig 34 and 35 Power board CN904 Band Fig 34 Fig 35 Power board CN203 Power transformer assembly R R Po...

Page 17: ...ctor CN582 on the OPEN CLOSE SW detect board Disconnect the wire from connector CN583 on the motor board Remove the screw W 1 2 3 Removing the motor board See Fig 39 Disconnect the wire from connector CN582 on the OPEN CLOSE SW detect board Remove the two screws X 1 2 Removing the OPEN CLOSE SW detect board See Fig 39 When reconnecting each card wire let it through the three notches m of the as sh...

Page 18: ...ove the motor board Remove the belt from the door motor Remove the screw Y attaching the door motor bracket Remove the two screws Z 1 2 3 Removing the door motor See Fig 40 and 41 Fig 40 Fig 41 Y Door motor Door motor bracket Belt Door motor Door motor bracket Z ...

Page 19: ... of the control panel assembly 1 2 Put the front panel assembly down toward the front and release the four joint m and n inside of the control panel by pressing them inward Remove the four screws Z attaching the control board 3 4 Removing the control board See Fig 42 to 46 Each shaft of the joint l is attached a collar Be careful not to lose that CAUTION Fig 42 Fig 43 Fig 44 Fig 45 Fig 46 Z Z Pull...

Page 20: ...ide of the servo control board Disconnect the flexible wire from connector CN601 and remove the servo control board from the body 1 2 3 4 5 6 7 Removing the servo control board See Fig 1 to 4 In case of disconnecting the flexible wire without soldering the CD pick up may be damaged ATTENTION When reassembling make sure the cam switch boss of the servo control board is fitted to the slot p of the c...

Page 21: ... right side of the body to eject the tray unit From the top of the body release the tray from the joint hook marked d Push the tray toward the front Release the stoppers on both sides in the direction of the arrow and pull out the tray unit from the body 1 2 3 4 5 Removing the tray unit See Fig 5 to 8 Pull out the tray unit from the top tray 3 in sequence ATTENTION Fig 5 Fig 6 Fig 7 Fig 8 B Top co...

Page 22: ...unit is located at the top position ATTENTION Turn the hook gear counterclockwise to move the slide hook and the slider R backward until they stop Remove the three screws D attaching the side unit R Raise the side unit R upward and release the joint g with the chassis unit and the boss from the select arm marked h Then remove the side unit R from the body 4 5 When reassembling make sure the boss i...

Page 23: ...rrow until they stop The notches of each slide cam are fitted to the pins on both sides of the sub chassis unit Detach the sub chassis unit upward 1 2 3 Removing the sub chassis unit See Fig 10 to 12 When reassembling turn the hook gear of the chassis unit counterclockwise until it stops and slide the slide hook and the slider R of the sub chassis unit backward until they stop ATTENTION Fig 10 Fig...

Page 24: ...from the two pulleys on the gear base unit Remove the three screws F and remove the gear base unit from the body 1 2 3 Removing the flap base unit and the gear base unit See Fig 13 and 14 Prior to performing the following procedure remove the main board Remove the belts from the two pulleys Remove the four screws G and detach each motor from the body 1 2 Removing the motors See Fig 15 Fig 13 Fig 1...

Page 25: ...th the pickup holder Detach the pickup with the screw shaft Solder the part n of the flexible board on the underside of the pickup After soldering disconnect the flexible wire connected to the pickup In case of disconnecting the flexible wire without soldering it may cause damage to the CD pickup Remove the two screws J attaching the rack arm to the pickup unit Pull out the screw shaft from the pi...

Page 26: ...g procedure remove the traverse mechanism assembly Remove the screw L attaching the feed motor 1 Removing the feed motor See Fig 22 Fig 21 Fig 22 K K K Traverse mechanism assembly Traverse mechanism assembly Joint o Feed motor L Fig 23 Tray select switch board CN620 M Fig 5 Fig 6 B Top cover B Rod Clamper base unit Top cover Rod Clamper base unit Remove the four screws B attaching the top cover on...

Page 27: ...er terminal on the back of the front panel assembly Remove the two screws A attaching the tweeter speaker 3 4 Disassembly method Removing the tweeter speaker See Fig 1 to 5 To prevent damage to the product apply a cloth to the box assembly CAUTION Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Bottom Joints a Joints a Front grill Hole b Hole b Front panel assembly Box assembly Joint bosses c Joint bosses c Front p...

Page 28: ... remove the front grille and the front panel assembly Remove the four screws B on the front side of the box assembly Disconnect the two wires from the squawker speaker terminal 1 2 Removing the squawker speaker See Fig 6 Fig 6 B B Box assemby Squawker speaker ...

Page 29: ...Minimum Traverse mecha set position Disc 1 Mic MIX VOL MAX ECHO OFF Precautions for measurement 1 Apply 30pF and 33kohm to the IF sweeper output side and 0 082 F and 100kohm in series to the sweeper input side 2 The IF sweeper output level should be made as low as possible within the adjustable range 3 Since the IF sweeper is a fixed device there is no need to adjust this sweeper 4 Since a ceramic...

Page 30: ...The program of the program play is deleted The content of the registration of the listening editing and the program editing is deleted The repeat setting is turned off Release of disc lock The unit of busy is adjusted to the changer mechanism side The play mode of changer mechanism is made a normal mode The pitch control setting is turned off The selection of the recording source is made DIGITAL o...

Page 31: ...en this item is executed version number system controller CD recording unit and 3CD changer unit respectively is displayed in FL display for five seconds When five seconds pass this mode is automatically made clear It is necessary to put the recorded disk or CD DA in tray 1 of changer mechanism beforehand to execute this item and put CD RW of the blank disk in recording mechanism 1 Disc recording ...

Page 32: ...Automatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 33 of IC651 TE Approx 1 8V VREF Tracking error waveform at TOC reading Power ON Play Key Confirm that the Focus error S cuve signal at the pin 32 of IC651 is approx 2Vp p Confirm that the signal from pin 24 IC651 is 0V as a accelerated pulse during approx 400ms Confirm the waveform of t...

Page 33: ...e of the laser diode has expired the following symptoms will appear 1 The level of RF output EFM output ampli tude of eye pattern will below Is the level of RFOUT under 1 25V 0 22Vp p Replace it NO YES O K 3 Semi fixed resistor on the APC PC board The semi fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser power Since this adjustment should ...

Page 34: ...LED CDR AMD O CDR AMD LED control signal 16 LED STBY O STBY LED control signal 17 LED BMD O BMD LED control signal 18 NC Connect to GND 19 NC Connect to GND 20 NC Connect to GND 21 NC Connect to GND 22 TEST TEST terminal 23 NC Connect to GND 24 NC Connect to GND 25 NC Connect to GND 26 NC Connect to GND 27 NC Connect to GND 28 NC Connect to GND 29 NC Connect to GND 30 NC Connect to GND 31 NC Conne...

Page 35: ...MD O Command output signal to CD unit micon 70 NC No connect 71 ZC4 RESET O CD chnger CPU reset 72 NC No connect 73 ZC4 SUBC I CD SUB code data input 74 NC No connect 75 ZC SBCK I O Bit clock for CD data communication 76 CDR SREQ O Request signal for CDR unit 77 CDR SRDY O Stand by signal for CDR unit 78 CDR RESET O Reset signal for CDR unit 79 VOL DATA O Data output terminal 80 VOL CLK O Clock si...

Page 36: ... clock signal input for sub code Q resister Sub code Q data output Muting input H muting Status signal output Reset signal input L reset Clock signal output MSEL is H 8 4672 MHz MSEL is L 4 2336 MHz Oscillation frequency specification terminal H 33 8688 MHz L 16 9344 MHz TEST2 terminal usually open Traverse drive output Non connect Spindle motor drive signal output Compulsion mode output Spindle m...

Page 37: ...action clock output Loop filter terminal for VCO Sub code serial output Clock signal input for sub code serial output Connect to ground terminal for oscillation circuit Oscillation circuit input terminal f 16 9344 MHz 33 8688 MHz Oscillation circuit output terminal f 16 9344 MHz 33 8688 MHz Power supply terminal for oscillation circuit Non connect Laser ON signal output H ON General I O port Non c...

Page 38: ...e signal input 29 TRY3OPEN I Tray 3 open signal input 30 TRY2CLOSE I Tray 2 close signal input 31 TRY2OPEN I Tray 2 open signal input 32 TRY1OPEN I Tray 1 close signal input 33 TRY1CLOSE I Tray 1 open signal input 34 AVREF I Reference power supply voltage 35 CAM_CW O Cam motor rotation clockwise 36 RESET O Reset signal output 37 XT2 O 38 XT1 I 39 IC I Not use for flash micon 40 X2 O X tal osc outp...

Page 39: ...VEL DETECT ACK START STOP BR24C01AFV W X IC201 EEPROM 1 Terminal layout 2 Block diagram 3 Pin function A0 A1 A2 GND Vcc WP SCL SDA Pin name I O Function Vcc GND A0 A1 A2 SCL SDA WP IN IN IN OUT IN 1 An open drain output requires a pull up resister Power supply Ground 0v Slave address set Serial clock input Slave and word address serial data input serial data output 1 Write protect input ...

Page 40: ...LUME TREBLE TREBLE MIDLE MIDLE SPEAKER ATT RIGHT SPEAKER ATT LEFT BASS BASS SUPPLY G G I C BUS DECODER LATCHES 2 0 30dB 2dB STEP INPUT MULTIPLEXER GAIN CSL DIG GND TREBLE R TREBLE L MIN L MOUT L BOUT L BIN L BOUT R BIN R MOUT R MIN R INR MUXOUTR INL SDA CRE Vs AGND ROUT LOUT R IN4 R IN3 R IN2 R IN1 L IN1 L IN2 L IN3 L IN4 MUXOUTL TDA7439 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 ...

Page 41: ...TEN FEN FEOUT GCTL FBAL TBAL E F D B C A Earth terminal VREF output terminal VDET output terminal VDET input terminal TE Amp output terminal TE Amp reversing input terminal FE Amp reversing input terminal FE Amp output terminal Terminal GCTL APC FBAL control terminal TBAL control terminal Tracking signal input terminal 1 Tracking signal input terminal 2 Focus signal input terminal 4 Focus signal i...

Page 42: ...n for gain adjustment BTL AMP 1 input pin non inverting side BTL AMP 1 input pin inverting side BTL AMP 2 input pin inverting side BTL AMP 2 input pin non inverting side BTL AMP 2 input pin for gain adjustment BTL AMP 2 input pin External transistor collector PNP connection 5V power supply output External transistor PNP base connection Reset output Reset output delay time setting capacitor connect...

Page 43: ...22 23 24 31 32 33 59 60 61 64 D11 D10 D0 POR FLCS FLCK FLDATA TATEIND YOKOIND VCC1 XOUT XIN VSS S35 S34 S27 VP S26 S0 VCC2 D15 D12 O I I I I O O O I O O O Non connect FL grid control signal output FL Driver chip select Chip select signal input Shift clock signal input Serial data input Indicator control signal output Indicator control signal output Power supply for internal logic Clock signal outp...

Page 44: ...put output port Input output port Data input output Function IF counter signal input IF signal output Not use AM Local OSC signal output FM Local OSC signal input Power suplly VDD 4 5 5 5V When power ON Reset circuit move PLL charge pump output H Local OSC frequency Height than Reference frequency L Low Agreement Height impedance Input for active lowpassfilter of PLL Output for active lowpassfilte...

Page 45: ...R AM OSC REG AM RF AFC AM AGC O I O I I I AM Local oscillation Signal output This is a terminal of AM Local oscillation circuit Register value between pin 26 and pin28 desides the frequency width of the input signal AM RF signal input This is an output terminal of voltage for FM AFC This is an AGC voltage input terminal for AM O O I O AM detection output FM detection output Mpx input terminal O O ...

Page 46: ... 1 0 0 CLOCKWISE COUNTER CLOCKWISE Brake LB1641 IC851 IC852 DC motor driver 1 Terminal layout 2 Pin function 1 4 R1 TR1 TR3 TR2 TR4 TR5 TR6 TR8 R8 C2 TR14 TR15 TR16 R14 R11 R13 R12 R10 R9 TR9 TR10 TR12 TR13 TR11 TR7 C1 D1 R6 R3 R4 R5 R7 13 11 14 15 9 8 12 5 6 7 10 2 R2 SUB STK402 030 IC101 Power amplifier 1 Terminal layout 2 Block diagram 1 15 ...

Page 47: ...Block diagram NJM4580D IC301 Dual operation amplifier 5 4 1 2 3 Pin No Symbol Function 1 2 3 4 5 GND Power supply On Off control Not use Regulator output Vss VIN ON OFF NC VOUT Current Limit Output Control Voltage Reference VIN CE VOUT VSS 1 Terminal layout 3 Block diagram 2 Pin function XC62HR3502P X IC291 Regulator ...

Page 48: ...1 Optical digital in selector BU4066BCF X IC304 IC305 Switch 14 13 12 11 10 9 8 1 2 3 4 5 6 7 I O 1 O I 1 O I 2 I O 2 C2 C3 VSS VDD C1 C4 I O 4 O I 4 O I 3 I O 3 14 13 12 11 10 9 8 1 2 3 4 5 6 7 2 Block diagram 1 terminal layout A L H Y H L 1 1A 2 1Y 3 2A 4 2Y 5 3A 6 3Y 7 14 13 12 11 10 9 8 GND VCC 6A 6Y 5A 5Y 4A 4Y TOP VIEW TC74HCT04AF IC702 Inverter 1 Terminal Layout 2 Truth tabel ...

Page 49: ...al layout 2 Block Diagram LA72723 IC3 RDS demodulation 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VREF MPXIN Vdda Vssa FLOUT CIN TES XOUT RDS ID READY RDCL RDDA RST MODE Vddd Vssd XIN REFERENCE VOLTAGE ANTI ALIASING FILTER SMOOTHING FILTER CLOCK RECOVERY 1187 5Hz DATA DECODER RAM 128 bits RDS ID DETECT 57kHz BPF SCF Vddd Vdda Vssa MPXIN Vssd RDDA RDCL MODE RST RDS ID READY CLK 4 332MHz OSC XIN XOUT TE...

Page 50: ...NX CDR7R 1 50 M E M O ...

Page 51: ...NX CDR7R VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi maebashi city 371 8543 Japan 200110 S No 21030 ...

Page 52: ...ide of the PWB diagrams the parts that are printed over with black such as the resistor diode and ICP or identified by the mark nearby are critical for safety When replacing them be sure to use the parts of the same type and rating as specified by the manufacturer Except the J and C version ...

Page 53: ...3 VOL EQ AMP BASS BOOST AMP IC301 CN701 CN102 CN708 CN672 IC101 POWER AMP CN101 CN206 CN204 CN903 CN905 W2901 J931 SPEAKER TERMINAL J2901 HEADPHONE JACK Q7203 CN608 CN706 CN601 CN001 CN609 PICKUP ASSY HQ100063 TRVERSE MACHA VMW2958 IC601 RF SERVO AMP IC801 FOCUS SPINDLE FEED TRACKING BTL DRIVER IC651 IC652 ACTU CAM MOTOR DRIVER IC651 DIGITAL SERVO PROCESSOR IC251 UNIT MICON Q7206 INH RESET CDR SLO...

Page 54: ...IA78S06P T 680 180 4 7 1N4003S T5 KTA1271 OY 2SA952 LK T DTC114YKA X DTC114YKA X 470K 1 50 1 50 1SS133 T2 1k 47k 100 16 QAX0401 001 22P 22P 0 01 50 NJM4580D 1SS133 T2 10K KTC3199 GL T 4 7K QGF1205F1 05 KIA78S06P T KTA1271 OY KTC3199 GL T 4 7K 100 QGF1205C1 06 QGB1214J1 10S 0 01 50 150K 10 25 10 25 10K 10K 2SC2412K RS X 10 50 1K 10K 2SC2412K RS X 10 50 100K 2SC3576 JVC 2SD2144S VW T 2SD2144S VW T 2...

Page 55: ...01 R8402 D8401 C8402 C8446 QAU0160 001 DTA114YKA X 0 27 QAX0610 001Z 12 QAX0420 001 12P 2SC1623 5 6 X 1 50 LC72723 0 1 LC72136N 0 047 0 1 3 3K 100 16 12P 12P 4 7K 10 16 100 4 7 12P 10K 3 3K 5 6K 10K 0 047 39 150P 560P 10K LA1838 100 16 0 001 QAX0458 001Z 33P 10P 68 10 16 39K 10 16 22 16 0 0018 39K 0 0018 10K 0 022 1 50 1K 0 1 0 0022 0 001 1K 150P 330P 150P NI NI 0 47 50 1SS133 T2 1 2K QQR0793 001 ...

Page 56: ...1183 001Z QQR1183 001Z QQR1183 001Z 100 100 NI KTC3199 GL T 180 100 100 100 100 100 100 QQR1183 001Z NI QQR1183 001Z 1N4003S T5 QSW0620 001 1SS133 T2 1 50 1 50 QGF1036F1 13 KRC102M T QSW0793 001 2K 1 5K 1 8K 2 2K 3 3K 2K 1 2K 1 5K 2 2K 2 7K 3 9K 5 6K KTA1267 YG T 3 9K 1 2K 1 5K 2 2K 2 7K 820 820 2K 5 6K QGF1205F1 17 QSW0620 001 4 7K MTZJ11A T2 MTZJ8 2B T2 1SS133 T2 2SK301 PQ T KRA111M T 1M 560 100...

Page 57: ...14K1 08S 10k 0 33 10 0 1 16 1k 1M QGF1016F3 08 1k 100 22p 15p 680 DTC114EUA X 680 1k NI 0 0027 0 0027 0 1 16 0 001 QGF1016F3 19 QAX0684 001Z 20k 0 001 47k QSW0865 001 MA152WA X 100 NI NI QSW0886 002 1k 1k 1k 1k QSW0886 002 QSW0886 002 NI 1 10 1 10 0 1 8k 1 5k QSW0886 002 0 0 0 NI 3 3k NI 1SR154 400 X LB1641 560 560 NI NI LB1641 1k 1k 1k 1k 1k 1k 1k 1k RF 500TB 12560 NI RF 500TB 12560 NI QAR0123 00...

Page 58: ...4005 Q4005 R4012 KRA102M QGB2510K2 15 KRA104M KRA102M 220K 1SS133 T2 0 047 KRC110M T 47K 47K 12K 1SS133 T2 2SC945 QP 47K 2SB1565 EF KTC3199 GL 33K 1 5M 680 2 2K KRC104M QGB2510K2 06 QGB2024J1 04S 22k 1 50 10K 10K 2SA733 QP KTC3199 GL 82K 100K 180 2SC3576 JVC 2SC3576 JVC 10K 10K 1 8k 1 8k 1SS133 T2 STK402 030 2 2 50 1SS133 T2 18K 18K 1K 1K KTA1268 GL KTA1268 GL 47K 47K KTC3199 GL 0 01 2 7K 4 7 0 33...

Page 59: ...DTC114TKA 1SS133 T2 SPR 39MVWF 1N4003S T5 220 50 4 7 4 7 0 1 0 1 4 7 50 QGA2501C1 02 330 T1AL 0 1 50 0 1 50 E409182 001SM QQR1145 001 QSK0124 001 KRA102M QGB2024K1 04S QSK0109 001 1 50 QGB2510J1 07 1 5K 100K KTC3199 GL T 10K QGB2510J1 09 10K 1 50 22K 330 2SC3576 JVC 2SC3576 JVC QGB2510J1 06 0 022 0 022 0 01 0 01 QQT0353 001 1SS133 T2 0 0047 400 T4AL 10 2A02 M 0 022 50 QQT0354 001 0 022 50 QGB2510K...

Page 60: ...H A B C D E F G 1 2 3 4 5 2 8 NX CDR7R NX CDR7R Main section OPEN CLOSE SW detect board LCD board Main board Tuner board Printed circuit boards ...

Page 61: ...A B C D E F G 1 2 3 4 5 2 9 NX CDR7R Amp section Power board Motor board Function swith board CD servo board Power amplifier board 2 Power amplifier board 1 Phone jack board ...

Page 62: ...C118 C120 C122 C123 C124 C125 C126 C127 C128 C132 C134 C136 C143 C144 C200 C201 C203 C205 C207 C208 C210 C212 C213 C214 C215 C219 C225 C228 C230 C231 C232 C243 C245 C246 C247 C248 C249 C250 C260 C261 C263 C264 C265 C268 C269 C288 C290 C292 C293 C294 C295 C296 C297 C298 C300 C302 C304 C308 C310 C401 C402 C404 C405 C427 C428 C435 C438 C446 C447 C448 C504 C507 C508 C509 C510 C511 C513 C514 C523 C526 ...

Page 63: ...83 R284 R285 R286 R670 R601 R602 R603 R605 R611 R613 R617 R631 R632 R634 R635 R636 D653 R651 R652 R653 R654 K655 K656 K657 K658 R661 R662 R663 R664 R665 R666 R667 R669 R682 R683 R685 R691 R692 R695 R696 R701 R801 R802 R803 R805 R808 R809 R811 R812 R813 R851 R264 R265 R854 SW680 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 X651 D801 R292 C291 IC291 C292 B602 R291 C256 C257 C258 C259 C260 R261 R269...

Page 64: ...H A B C D E F G 1 2 3 4 5 2 12 NX CDR7R NX CDR7R Power section ...

Page 65: ...NX CDR7R MEMO ...

Page 66: ...d parts list Block No M1 CD changer mechanism assembly and parts list Block No MA CD R RW loading mechanism assembly and parts list Block No MR Electrical parts list Block No 01 07 Packing materials and accessories parts list Block No M3 M5 NX CDR7R 3 3 3 6 3 8 3 10 3 22 Area suffix B U K E Continental Europe EN Northern Europe CA NXCDR7R SP NXCDR7R ...

Page 67: ...3 2 NX CDR7R M E M O ...

Page 68: ...60 51 11 13 15 15 15 14 15 12 9 10 12 19 8 5 4 7 6 31 17 19 17 16 20 91 92 81 98 77 81 79 78 82 82 82 83 86 87 86 90 90 89 85 85 84 68 79 82 80 20 20 20 20 22 94 96 72 71 69 88 69 69 69 99 70 74 62 70 67 66 72 76 64 64 63 75 93 95 18 21 59 58 139 139 137 138 Exploded view of general assembly and parts list Block No M M M 1 Main board Power suplly board Power suplly connection board CDR control boa...

Page 69: ...NG PANEL 1 PS SPRAY Item Parts number Parts name Area A Parts list General assembly Q ty Description Block No M1MM 49 LV33026 001A FUNCTION BUTTON 1 ABS VACUUM METAL 50 LV32968 001A EJECT BUTTON 2 ABS VACUUM METAL 51 QYSBSF2608Z T SCREW 4 FOR MOVING PWB 53 LV32969 001A VOLUME RING 1 ABS VACUUM METAL 54 LV32970 001A VOLUME KNOB 1 AS CLEAR 55 LV33156 002A MOVING PROTECT 1 56 LV32967 001A MOVING COVE...

Page 70: ...AR COVER B CHASSIS 115 LV21110 001A S METAL COVER 1 116 QYSBSGY3008E SPECIAL SCREW 4 FOR REAR 117 QYSDSG3006M T SCREW 2 FOR SIDE 118 LV32965 001A TRAY FITTING 1 FOR CDR 119 LV33030 004A NAME PLATE E 1 REAR COVER LV33030 002A NAME PLATE B EN 1 REAR COVER 120 VND4118 004 CAUTION LABEL 1 REAR COVER 121 WJM0252 001A E SI C WIRE C F 1 122 QUQ110 1108AF FFC WIRE 1 FL MICON 1 123 QUQ110 1508AF FFC WIRE 1...

Page 71: ...1 17 19 16 32 31 32 31 30 18 26 29 28 27 37 36 35 36 34 34 33 10 5 4 8 6 1 3 2 2 46 46 46 7 8 9 48 41 44 44 45 44 44 43 39 40 40 38 42 42 42 0 2mm 6 6 0 1mm 10 8 0 2mm 66 7 0 2mm 9 8 Grease EM 30L FL 7750 CD changer mechanism assembly and parts list Block No M M M A ...

Page 72: ...OTOR 1 19 VKZ4743 001 SPECIAL SCREW 2 20 WFM214025 WASHER 1 21 VKS5556 001 S S GEAR 1 22 VKS5557 001 F M GEAR 1 23 PPN 13KA10C MOTOR 1 24 VWE292 07AZAZ UL VINYL WIRE 1 25 VWE290 08AZAZ WIRE 1 26 VKS5558 001 MIDDLE GEAR 1 27 VKM3904 001 SHAFT HOLDER 1 28 VKZ4248 204 MINI TAP SCREW 1 29 QYSPSPL2004Z SCREW 1 30 LVB30006 002A FPC 1 31 LV41424 001A SPECIAL SCREW 3 32 LV41659 001A INSULATOR 3 33 LV31799...

Page 73: ...3 8 NX CDR7R A A 6 85mm 0 1mm 13 15 16 16 16 16 12 10 22 22 22 18 20 9 17 22 19 8 3 2 5 14 4 1 11 7 6 21 CD R RW loading mechanism assembly and parts list Block No M M M R EM 30L CFD 4007ZYZ Grease ...

Page 74: ...09 001A BELT 1 7 LV42084 002A PULLEYGEAR 1 8 LV42085 002A MIDDLE GEAR 1 9 LV42086 001A IDLE GEAR 1 10 LV32514 002A SLIDE CAM 1 11 LV42348 001A P GEAR BKT 1 12 VKZ4777 003 MINI SCREW 1 FOR PULLEY GEAR 13 LV20912 002A ELEVATOR 1 14 QUQ110 0606AJ FLAT WIRE 1 15 CD R RW TRAVERS 1 16 LV41424 001A SPECIAL SCREW 4 17 LV32417 001A CLAMPER 1 18 LV42089 001A YOKE 1 19 LV41118 003A MAGNET 1 20 LV41741 001A S...

Page 75: ...001Z C FILTER CF 3 QAX0610 001Z C DISCRIMINATOR CN581 QGF1205F1 05 CONNECTOR TO MAIN CN582 QGA2001F1 02 2P CONNECTOR TO MOVING MOTOR CN701 QGB2510J1 15 CONNECTOR TO POWER AMP CN702 QGB2510J1 14 CONNECTOR TO REG CN703 QGB2510J1 09 CONNECTOR TO REAR CN704 QGF1036C1 11 CONNECTOR TO FL CN705 QGF1205F1 05 CONNECTOR TO PANEL SW CN706 QGF1016F3 04 CONNECTOR TO CDR CN707 QGF1205F1 15 CONNECTOR TO CONNECT ...

Page 76: ...CAPACITOR 100MF 20 16V C8505 NCB31HK 102X C CAPACITOR C8506 QEKC1HM 105Z E CAPACITOR 1 0MF 20 50V C8507 NCB31HK 102X C CAPACITOR C8508 NCB31HK 102X C CAPACITOR C8509 NCB31HK 102X C CAPACITOR C8510 NCB31HK 102X C CAPACITOR C8511 QEKC1HM 105Z E CAPACITOR 1 0MF 20 50V C8512 QEKC1HM 105Z E CAPACITOR 1 0MF 20 50V C8513 NCB31HK 561X C CAPACITOR C8514 NCB31HK 561X C CAPACITOR C8515 NCB31HK 561X C CAPACIT...

Page 77: ... 3 NRSA63J 224X MG RESISTOR R 4 NRSA63J 331X MG RESISTOR R 5 NRSA63J 120X MG RESISTOR R 6 NRSA63J 120X MG RESISTOR R 10 NRSA63J 222X MG RESISTOR R 11 NRSA63J 472X MG RESISTOR R 12 NRSA63J 472X MG RESISTOR R 13 NRSA63J 103X MG RESISTOR R 14 NRSA63J 104X MG RESISTOR R 15 NRSA63J 332X MG RESISTOR R 16 NRSA63J 472X MG RESISTOR R 17 QRZ9005 680X F RES I M 68 1 4W R 18 NRSA63J 102X MG RESISTOR R 19 NRSA...

Page 78: ...X MG RESISTOR R7693 NRSA63J 103X MG RESISTOR R7694 NRSA63J 103X MG RESISTOR R7701 NRSA63J 102X MG RESISTOR R7702 NRSA63J 102X MG RESISTOR R7703 NRSA63J 102X MG RESISTOR R7704 NRSA63J 102X MG RESISTOR R7705 NRSA63J 471X MG RESISTOR R7706 NRSA63J 102X MG RESISTOR R7707 NRSA63J 102X MG RESISTOR R7708 NRSA63J 102X MG RESISTOR R7710 NRSA63J 102X MG RESISTOR R7711 NRSA63J 102X MG RESISTOR R7712 NRSA63J ...

Page 79: ...392X MG RESISTOR R8208 NRSA63J 332X MG RESISTOR R8210 NRSA63J 201X MG RESISTOR R8211 NRSA63J 431X MG RESISTOR R8212 NRSA63J 432X MG RESISTOR R8401 QRZ9005 220X F RES I M A 22 1 4W R8402 NRSA63J 271X MG RESISTOR R8403 NRSA63J 390X MG RESISTOR R8404 NRSA63J 102X MG RESISTOR R8405 NRSA63J 103X MG RESISTOR R8410 NRSA63J 471X MG RESISTOR R8501 NRSA63J 202X MG RESISTOR R8502 NRSA63J 122X MG RESISTOR R85...

Page 80: ... 022MF 5 50V C2502 QFLC1HJ 223Z M CAPACITOR 022MF 5 50V C2503 QFV72AJ 104Z MF CAPACITOR 10MF 5 100V C2504 QFV72AJ 104Z MF CAPACITOR 10MF 5 100V C2901 QCBB1HK 101Y C CAPACITOR 100PF 10 50V C2902 QDGB1HK 102Y C CAPACITOR C2903 QCBB1HK 101Y C CAPACITOR 100PF 10 50V C4001 QCBB1HK 103Y C CAPACITOR 010MF 10 50V C4003 QETN1EM 476Z E CAPACITOR 47MF 20 25V C4004 QCBB1HK 103Y C CAPACITOR 010MF 10 50V C4005 ...

Page 81: ... 5 1 1W R1108 QRJ146J 4R7X UNF C RES I M A 4 7 5 1 4W R1109 QRT01DJ R33X UNF MF RES I M A 5 1 1W R1110 QRE141J 102Y C RESISTOR 1 0K 5 1 4W R1111 QRE141J 183Y C RESISTOR 18K 5 1 4W R1112 QRE141J 473Y C RESISTOR 47K 5 1 4W R1114 QRE141J 392Y C RESISTOR 3 9K 5 1 4W R1115 QRZ9005 101X F RES I M A 100 1 0W R1117 QRE141J 391Y C RESISTOR 390 5 1 4W R1150 QRE141J 103Y C RESISTOR 10K 5 1 4W R1201 QRE141J 1...

Page 82: ...W R6107 QRE141J 562Y C RESISTOR 5 6K 5 1 4W R6201 QRE141J 202Y C RESISTOR 2 0K 5 1 4W R6202 QRE141J 152Y C RESISTOR 1 5K 5 1 4W R6203 QRE141J 182Y C RESISTOR 1 8K 5 1 4W R6204 QRE141J 222Y C RESISTOR 2 2K 5 1 4W R6205 QRE141J 332Y C RESISTOR 3 3K 5 1 4W R6301 QRE141J 821Y C RESISTOR 820 5 1 4W R6501 QRE141J 202Y C RESISTOR 2 0K 5 1 4W R6502 QRE141J 122Y C RESISTOR 1 2K 5 1 4W R6503 QRE141J 152Y C ...

Page 83: ...ACITOR 1 0MF 20 50V D9001 1SS133 T2 SI DIODE IM A FT911 QNG0003 001Z FUSE CLIP FOR F9001 FT912 QNG0003 001Z FUSE CLIP FOR F9001 J 931 QNB0038 001 SPK TERMINAL EVER 002 J 932 E409182 001SM GRAND TERMINAL LF901 QQR1145 001 LINE FILTER A FOR EVER Q9101 2SC3576 JVC T TRANSISTOR I M Q9201 2SC3576 JVC T TRANSISTOR I M Q9301 KRA102M T D TRANSISTOR Q9401 KTC3199 GL T TRANSISTOR RY901 QSK0124 001 RELAY A P...

Page 84: ...ITOR FEED C 814 NCS31HJ 391X C CAPACITOR TRACKING C 815 NCB21AK 105X C CAPA C M TRD C 816 NCB20JK 155X C CAPA C M FOD C 821 NCF31AZ 105X C CAPACITOR VCC M GND C 822 QERF1AM 227Z E CAPACITOR VCC M GND C 851 QERF1CM 106Z E CAPACITOR VCC M GND C 852 NCB31HK 103X C CAPACITOR C 853 NCB31HK 103X C CAPACITOR C 855 NCB31CK 104X C CAPACITOR VCC M GND C 859 NCF31AZ 105X C CAPACITOR CAM MOTOR C 860 NCF31AZ 1...

Page 85: ...3 NRSA63J 683X MG RESISTOR IREF CHANGE R 682 NRSA63J 102X MG RESISTOR TE R 683 NRSA63J 105X MG RESISTOR TRSRC R 685 NRSA63J 683X MG RESISTOR DRF R 691 NRSA63J 681X MG RESISTOR OUTL R 692 NRSA63J 681X MG RESISTOR OUTR R 695 NRSA63J 561X MG RESISTOR OUTL R 696 NRSA63J 561X MG RESISTOR OUTR R 701 NRSA63J 102X MG RESISTOR DEMPH R 801 NRSA63J 272X MG RESISTOR VG3 R 802 NRSA63J 152X MG RESISTOR FOD R 80...

Page 86: ...3 21 NX CDR7R M E M O ...

Page 87: ...3 22 NX CDR7R P11 A8 P11 A8 P8 P10 P9 P7 P10 A10 A11 A9 A9 Packing materials and accessories parts list Block No M M M 3 Block No M M M 5 SP NXCDR7R CA NXCDR7R P5 P2 P4 A1 A5 P1 P6 P3 A7 A6 ...

Page 88: ... POLY BAG 2 Item Parts number Parts name Area A Parts list Accessories Q ty Description Block No M5MM A 1 LVT0749 003A INST BOOK CA NXCDR7R 1 LVT0749 004A INST BOOK CA NXCDR7R E 1 GER FRE DUT LVT0749 005A INST BOOK CA NXCDR7R EN 1 GER FRE SPA ITA SWE FIN DAN ENG GER FRE DUT SPA ITA B ENG A 2 VNA3000 204 REGIST CARD B 1 A 3 BT 54008 2 WARRANTY CARD 1 A 4 QAL0014 001 AM LOOP ANT 1 A 5 EWP503 001C AN...

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