JVC KD-LX50R Service Manual Download Page 68

Page: 68 / 74

Item

Parts number

Parts name

Area

Electrical parts list

Remarks

Block No. 01

R 536

NRSA02J-333X

MG RESISTOR

R 537

NRSA02J-103X

MG RESISTOR

R 541

NRSA02J-122X

MG RESISTOR

R 542

NRSA02J-103X

MG RESISTOR

R 543

NRSA02J-332X

MG RESISTOR

R 544

NRSA02J-332X

MG RESISTOR

R 545

NRSA02J-332X

MG RESISTOR

R 547

NRSA02J-332X

MG RESISTOR

R 571

NRSA02J-101X

MG RESISTOR

R 581

NRSA02J-332X

MG RESISTOR

R 582

NRSA02J-123X

MG RESISTOR

R 583

NRSA02J-102X

MG RESISTOR

R 584

NRSA02J-332X

MG RESISTOR

R 585

NRSA02J-682X

MG RESISTOR

R 586

NRSA02J-682X

MG RESISTOR

R 587

NRSA02J-682X

MG RESISTOR

R 588

NRSA02J-682X

MG RESISTOR

R 589

NRSA02J-332X

MG RESISTOR

R 590

NRSA02J-472X

MG RESISTOR

R 591

NRSA02J-392X

MG RESISTOR

R 592

NRSA02J-472X

MG RESISTOR

R 593

NRSA02J-392X

MG RESISTOR

R 594

NRSA02J-472X

MG RESISTOR

R 595

NRSA02J-103X

MG RESISTOR

R 596

NRSA02J-103X

MG RESISTOR

R 701

NRSA02J-473X

MG RESISTOR

R 702

NRSA02J-821X

MG RESISTOR

R 703

NRSA02J-473X

MG RESISTOR

R 704

NRSA02J-473X

MG RESISTOR

R 705

NRSA02J-473X

MG RESISTOR

R 706

NRSA02J-103X

MG RESISTOR

R 707

NRSA02J-472X

MG RESISTOR

R 708

NRSA02J-472X

MG RESISTOR

R 709

NRSA02J-472X

MG RESISTOR

R 710

NRSA02J-103X

MG RESISTOR

R 711

NRSA02J-103X

MG RESISTOR

R 712

NRSA02J-103X

MG RESISTOR

R 713

NRSA02J-103X

MG RESISTOR

R 714

NRSA02J-103X

MG RESISTOR

R 715

NRSA02J-472X

MG RESISTOR

R 716

NRSA02J-472X

MG RESISTOR

R 717

NRSA02J-472X

MG RESISTOR

R 718

NQL012K-1R8X

INDUCTOR

R 719

NQL012K-1R8X

INDUCTOR

R 720

NRSA02J-331X

MG RESISTOR

R 721

NRSA02J-103X

MG RESISTOR

R 722

NRSA02J-103X

MG RESISTOR

R 723

NRSA02J-102X

MG RESISTOR

R 724

NRSA02J-271X

MG RESISTOR

R 725

NRSA02J-271X

MG RESISTOR

R 728

NRSA02J-103X

MG RESISTOR

R 729

NRSA02J-103X

MG RESISTOR

R 730

NRSA02J-103X

MG RESISTOR

R 731

NRSA63J-473X

MG RESISTOR

R 732

NRSA63J-473X

MG RESISTOR

R 733

NRSA63J-473X

MG RESISTOR

R 734

NRSA63J-472X

MG RESISTOR

R 735

NRSA63J-472X

MG RESISTOR

R 736

NRSA02J-102X

MG RESISTOR

R 737

NRSA02J-103X

MG RESISTOR

R 738

NRSA02J-103X

MG RESISTOR

R 739

NRSA02J-473X

MG RESISTOR

R 740

NRSA02J-473X

MG RESISTOR

R 742

NRSA02J-103X

MG RESISTOR

R 743

NRSA02J-473X

MG RESISTOR

R 746

NRSA02J-473X

MG RESISTOR

R 747

NRSA02J-473X

MG RESISTOR

R 748

NRSA02J-473X

MG RESISTOR

R 749

NRSA02J-473X

MG RESISTOR

R 750

NRSA02J-473X

MG RESISTOR

R 751

NRSA02J-106X

MG RESISTOR

R 753

NRSA02J-473X

MG RESISTOR

R 754

NRS181J-102X

MG RESISTOR

R 757

NRSA02J-473X

MG RESISTOR

R 758

NRSA02J-331X

MG RESISTOR

R 761

NRSA02J-103X

MG RESISTOR

R 762

NRSA02J-222X

MG RESISTOR

R 763

NRSA02J-222X

MG RESISTOR

R 764

NRSA02J-222X

MG RESISTOR

R 765

NRSA02J-222X

MG RESISTOR

R 766

NRSA02J-222X

MG RESISTOR

R 767

NRSA02J-331X

MG RESISTOR

R 772

NRSA02J-473X

MG RESISTOR

R 773

NRSA02J-223X

MG RESISTOR

R 774

NRSA02J-101X

MG RESISTOR

R 775

NRSA02J-103X

MG RESISTOR

R 776

NRSA02J-104X

MG RESISTOR

R 777

NRSA02J-223X

MG RESISTOR

R 778

NRSA02J-101X

MG RESISTOR

R 779

NRSA02J-473X

MG RESISTOR

R 781

NRSA02J-331X

MG RESISTOR

R 782

NRSA02J-104X

MG RESISTOR

R 791

NRSA02J-102X

MG RESISTOR

R 821

QRE142J-102X

C RESISTOR

1.0K 5% 1/4W

R 822

NRSA02J-822X

MG RESISTOR

R 823

NRSA02J-223X

MG RESISTOR

R 824

NRSA02J-822X

MG RESISTOR

R 825

NRSA02J-223X

MG RESISTOR

R 826

NRSA02J-153X

MG RESISTOR

R 827

NRSA02J-472X

MG RESISTOR

R 828

NRSA02J-223X

MG RESISTOR

R 829

NRSA02J-223X

MG RESISTOR

R 830

NRSA02J-103X

MG RESISTOR

R 831

NRSA02J-820X

MG RESISTOR

R 911

NRSA02J-222X

MG RESISTOR

R 912

NRSA02J-222X

MG RESISTOR

R 941

NRSA02J-273X

MG RESISTOR

R 942

NRSA02J-273X

MG RESISTOR

R 943

NRSA02J-102X

MG RESISTOR

R 951

NRSA02J-562X

MG RESISTOR

R 952

NRSA02J-102X

MG RESISTOR

R 953

NRSA02J-562X

MG RESISTOR

R 954

NRSA02J-103X

MG RESISTOR

R 961

QRE142J-102X

C RESISTOR

1.0K 5% 1/4W

R 962

NRSA02J-912X

MG RESISTOR

R 963

NRSA02J-472X

MG RESISTOR

R 964

NRSA02J-473X

MG RESISTOR

R 965

NRSA02J-222X

MG RESISTOR

R 970

NRSA02J-123X

MG RESISTOR

R 971

NRSA02J-393X

MG RESISTOR

R 975

NRSA02J-124X

MG RESISTOR

R 976

NRS181J-222X

MG RESISTOR

R 977

NRS181J-222X

MG RESISTOR

R 978

NRSA02J-104X

MG RESISTOR

R 981

NRSA02J-473X

MG RESISTOR

R 984

NRSA02J-473X

MG RESISTOR

R 985

NRSA02J-103X

MG RESISTOR

R 986

NRSA02J-102X

MG RESISTOR

(Main board)

Item

Parts number

Parts name

Area

Remarks

Summary of Contents for KD-LX50R

Page 1: ...er Area Suffix E Continental Europe Contents Safety precaution 1 2 Preventing static electricity 1 3 Instructions 1 4 Disassembly method 2 1 Maintenance of laser pickup 2 12 Extention cord connectiong method 2 13 Functions of the mechanism under the service mode 2 16 Flow of functional operation until TOC read 2 18 Description of major ICs 2 20 Block diagram 2 Standard schematic diagrams 2 Printed...

Page 2: ...return the shorted parts to their original condition Refer to the text 2 Do not use a tester to check the condition 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 o...

Page 3: ...r denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion Undgå udsættelse for stråling ADVARSEL Usynlig laserstråling ved åpning når sikkerhetsbryteren er avslott unngå utsettelse for stråling RE...

Page 4: ...of the body Remove the two screws E and the screw F on the back of the body Remove the two screws G on the upper side of the body Move the top chassis upward and disconnect the CD mechanism connector from the main board connector by pulling it Remove the top chassis from the body 1 2 3 4 5 6 Disassembly method Removing the top chassis See Fig 1 to 5 Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Bottom cover A A B...

Page 5: ... the two joints a At this point the main board can be removed with the rear panel and the rear heat sink Remove the screw J and the two screws K attaching the rear heat sink on the back of the body Remove the three screws L and the screw M attaching the rear panel Now the main board assembly will be removed 1 2 3 4 5 Removing the main board assembly See Fig 6 and 7 when reassembling correctly enga...

Page 6: ... toward the front 1 2 Removing the front panel assembly See Fig 8 9 and 10 Prior to performing the following procedure remove the top chassis assembly and the front panel assembly Remove the four screws O attaching the front board on the back of the front panel assembly and release the eight joints b 1 Removing the Front Board See Fig 11 Fig 8 Fig 9 Fig 10 Fig 11 CN701 Front panel assembly CN701 F...

Page 7: ...ach the clutch assembly from the shaft of the lifter unit Remove the two screws Q attaching the feed motor L 1 2 Removing the feed motor L See Fig 13 Prior to performing the following procedure remove the lifter unit Remove the washer attaching the clutch assembly and detach the clutch assembly from the shaft of the lifter unit Remove the two screws R attaching the feed motor R 1 2 Removing the fe...

Page 8: ... Disconnect the card wire from connector CN702 on the main board and remove the operation assembly 1 2 3 Removing the operation assembly See Fig 15 to 18 when reassembling correctly engage the switch S561 and S562 on the main board and the right gear with the part e of the operation assembly ATTENTION Fig 15 Fig 16 Fig 17 Fig 18 S Spring 6 CN702 Operation assembly Spring 5 S Operation assembly e S...

Page 9: ...rd from inside of the button panel 1 2 Removing the operation switch board See Fig 19 and 20 Prior to performing the following procedure remove the top chassis Remove the three screws U and the CD mechanism assembly from the top chassis 1 Removing the CD mechanism assembly See Fig 21 Button panel Operation switch board Button panel CD mechanism assembly Fig 19 Fig 20 Fig 21 T T U U U ...

Page 10: ... board from the base chassis while detaching the pin jack Disconnect the sub board from connector CN851 on the main board Disconnect the harness from connector CN852 on the main board Then disconnect the cord from the main board 1 2 3 4 Disassembly method Voice unit Removing the voice recorder See Fig 1 to 3 Fig 1 Fig 2 Fig 3 A A Top cover B B Bushing C Pin jack Voice board Voice board Sub board C...

Page 11: ...e 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 board Shift t...

Page 12: ... both sides fix arms and move the fix plates in the direction of the arrow to place the four shafts g as shown in Fig 8 and 9 Remove the CD mechanism ass y and the two springs h attaching the flame Remove the two screws E 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 to 9 T...

Page 13: ...t nut from the pickup unit Pull out the FD screw 2 Removing the pickup unit See Fig 10 and 11 When reattaching the pickup unit reattach the part k of the pickup unit then the part j 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 mechanism ass y...

Page 14: ...le of the laser diode and help prevent damage from static electricity Caution Solder rejection or cuts a pattern with nipper at shortstop point after short circuiting with clip with terminal face of flexible cable in the static electricity countermeasure soldering iron application that is not done And the rejection back inserts it in connector immediately and do not touch terminal side of connecto...

Page 15: ... 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 Turn off t...

Page 16: ... board Using the 2pin extention cord EXTLX001 2p connect the harness of the feed motor R assembly with the connector CN504 on the main board Extension cord connecting method 1 2 Using the jig board EXTLX002 SWPWB its installing to the chassis then using 4pin extention cord EXTLX002 4P connect the harness of the lifter detecting board with the connector CN704 on the board Connect the connector EXTL...

Page 17: ... wire 6Pin x 2 interlocking connector 16Pin flat wire 16Pin interlocking connector 3 switch PWB 4Pin 30cm extension cord EXTLX001 2P EXTLX001 6PF EXTLX001 6PC EXTLX002 16PF EXTLX002 16PC EXTLX002 SWPWB EXTLX002 4P No Parts number Quantity Description Besides the above kit we offer the conventional extension cord for CD mechanism which are not essential to operation check or service The mechanism s...

Page 18: ...Reassembly 1 Perform reassembly be reversing the removing process of removal of main parts CAUTION 1 Prior to reattaching the heat sink make sure to reattache the top chassis ...

Page 19: ...tem from factry This mode is used only when the CD changer is connected This mode is used only when the CD changer is connected Running mode Do not use this mode under the servise mode Deletion of CD error code and RDS data Calling of CD mechanism error code With the three error modes stored in maximum in the internal memory of the mechanism in the body of this system it is posible under the servi...

Page 20: ...ime over 0 6sec of timer TEXT data reading error 04 0051 04 0052 81 0053 82 0054 82 0055 84 0059 80 0060 80 0061 80 0062 80 0063 The pickup cannot returned to the inner peripheral and the REST switch is not turned off The pickup cannot be returned to the outer peripheral and the REST switch is not turned off In case the focus cannot be searched by one set of focus searching 3 way focus searching a...

Page 21: ... 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 MN662748RPM 32 FEED MOTOR TERMINAL IC661 26 REST SW When the disc correctly rotates Tracking Servo Loop ON Servo CLV Rough Servo Accel...

Page 22: ...heck the pickup and its connections NO YES YES YES Does the S search waveform appear at IC601 pins 17 and 18 Is the disk rotated Does the RF signal appear at TP1 Is 3 5V present at IC661 pins 1 and 2 Check the spindle motor and its wiring Is 4V present at IC631 pin 25 Check the vicinity of IC661 Check IC601 and IC631 YES NO NO NO NO NO YES YES YES Check the circuits in the vicinity of IC601 10 18 ...

Page 23: ...2 13 14 CL Vcc INL NFL FIL NFR INR CR CR RGND OUTR OUTL LGND CL Powe supply terminal for amp power supply terminal input terminal Negative feedback terminal Filter terminal Negative feedback terminal Input terminal Power supply terminal for amp Output terminal of internal amp Rch GND terminal Rch output terminal Lch output terminal Lch GND terminal Output terminal of internal amp Pin No Symbol Fun...

Page 24: ...is output voltage is approximately 0 7V lower than VDD S The max output current is 100mA Control of the COMP output by inputting voltage This output voltage is 5 7V and max output current is 100mA This voltage supply is for microcomputer Whenever back up voltage supply is connected the output keeps on running This output voltage is 9 0v and max output current is 500mA This voltage supply for AUDIO...

Page 25: ... output terminal CH1 bus filter setting terminal CH1 bus filter setting terminal CH2 bus filter setting terminal CH2 bus filter setting terminal CH2 treble filter setting terminal CH1 treble setting terminal CH2 treble input terminal CH2 BBE II signal output terminal CH2 output mix amp negative input terminal A2 B2 C2 D2 FIL GND SI SC VCC OUTR2 OUTF2 OUTR1 OUTF1 BOUT1 BNF1 BOUT2 BNF2 TNF2 TNF1 TIN...

Page 26: ...EGISTER 8bit DATA REGISTER ACK START STOP CONTROL LOGIC HIGH VOLTAGE GEN Vcc LEVEL DETECT Vcc GND AO A1 A2 SCL SDA WP IN IN I O IN Power supply Ground 0V Slave address set Serial clock input Slave and word address Serial data output Write protect input Pin No I O Functions BR24C32F X IC703 EEPROM 1 Pin function 2 Block diagram 3 Pin function ...

Page 27: ...14 13 12 11 8 10 9 1 2 3 4 7 5 6 VDD C1 C4 I O4 I O3 O I4 O I3 I O1 O I1 O I2 I O2 Vss C2 C3 BU4066BCFV X IC322 Quad analog switch 1 Pin layout Block diagram ...

Page 28: ...nput CH7 motor speed control Stand by Power save All mute Power supply voltage CH7 drive output IN2 IN2 OUT2 IN3 IN3 OUT3 IN4 IN4 OUT4 CTL1 FWD1 REV1 CTL2 FWD2 REV2 SGND FWD3 REV3 CTL3 SB PS MUTE PVCC2 DO7 Pin No Symbol I O Function 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 O O O O O O O O O O O O O I O I I I I O CH7 drive output CH6 drive output CH6 drive output Powe...

Page 29: ... 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 Inputs Outputs C L H H A X L H Y Z H L 1 2 3 4 5 6 7 14 13 12 11 10 9 8 HD74HC126FP X IC801 Buffer 1 Pin layout 3 Block diagram 2 Function ...

Page 30: ...IN Vout OUT 1 3 2 OP1 Co1 IC PST600M G W IC702 System reset ...

Page 31: ...stment Vcc 8 0V High pass filter Stereo noise controlled voltage High cut controlled voltage pilot cancel signal input pilot cancel signal outpt Ceramic resonator Phase comparator low pass filter Phase comparator low pass filter Phase locked loop signal input Active low Composite signal input Noise sense Noise AGC Gate time Signal hold Pilot output Vcc Capacitor for HCC SNC control HCC control Lch...

Page 32: ...L GND3 OUTRL VCC3 4 OUTFL MUTE OUTFL GND4 NC 1 Terminal layout 2 Block diagram 3 Pin function 1 2 3 4 5 6 7 8 9 10 11 12 13 Header of IC Power GND Output for front Rch Stand by input Output for front Rch Power input Output for rear Rch Power GND Output for rear Rch Ripple filter Rear Rch input Front Rch input Signal GND TAB GND1 RFO STBY RFO VCC1 2 RRO GND2 RRO R F RRIN RFIN SGND 14 15 16 17 18 19...

Page 33: ...on 1 58 59 60 65 66 67 68 69 71 72 73 74 75 76 77 78 79 80 O O O O I O I I I I I O Segment driver output terminal Common driver output terminal Common driver output terminal Common driver output terminal Power supply for logic section Power supply for LCD driver section LCD voltage input terminal Connect to ground Oscillation output terminal Oscillation input terminal Reset signal input terminal C...

Page 34: ...mmon driver output pins The frame frequency is given by t0 fosc 384 Hz Power supply connection Provide a voltage of between 4 5 and 6 0V Display turning off input pin INT L Vss off S1 to S52 COM1 to COM3 L INT H VDD on Serial data can be transferred in display off mode Used for applying the LCD drive 2 3 bias voltage externally Must be connected to VDD2 when a 1 2 bias drive scheme is used Used fo...

Page 35: ...7 8 9 10 Vcc 2 output for microphone amp Microphone amp positive input terminal Microphone amp negative input terminal Microphone amp output terminal Ground Non connection VCA input terminal VCA control terminal VCA output terminal Power supply Vcc 2 Amp IN Amp IN Amp OUT GND NC VCA IN Vc VCA OUT Vcc Pin No Symbol Function ...

Page 36: ...23 24 25 26 27 28 29 30 31 32 1 Pin layout 3 Block diagram 2 Pin function Symbol A0 A18 D0 D7 CE OE Vcc Vss NC Function Address input Data output Chip enable Output enable Power supply Non connection A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 Address Buffer X Decoder Y Decoder Memory Cell Matrix 524 288 x 8 Miltiplexer Output Buffer D0 D1 D2 D3 D4 D5 D6 D7 CE OE Control CE O...

Page 37: ...A OUTPUT 1 A INPUT 2 A INPUT 3 V 4 8 V 7 B OUTPUT 6 B INPUT 5 B INPUT V OUTPUT V INPUT INPUT NJM2100M W IC821 Dual operation amplifier 1 Pin layout 2 Block diagram ...

Page 38: ...1 A OUT 2 A IN 3 A IN 4 8 7 6 5 GND V B OUT B IN B IN NJM2904M W IC831 Ope amp Q8 Q1 Q4 Q2 Q3 Q8 Q9 Q10 Q11 Q12 Q13 OUTPUT Q7 Q6 Q5 V 1 Pin layout 2 Block diagram ...

Page 39: ...A B 1 2 3 4 A OUTPUT A INPUT A INPUT V 8 7 6 5 V B OUTPUT B INPUT B INPUT NJM4565M W IC151 IC171 IC323 Ope amp ...

Page 40: ...RPM6938 V4 IC602 R M Receiver VCC ROUT GND VCC 22kohm Comp AMP Detector BPF I V conversion fo trimming circuit AGC PD Magnetic shield ...

Page 41: ...dress bus 2 for flash memory Address bus 1 for flash memory Address bus 0 for flash memory Non connection Non connection Non connection Non connection Non connection Non connection I O I O I O O O O O I I I I O O I I O O I O I O I O I O I O I O I O I O Data enable siganl from 78K0 Dtat request signal for 78K0 Data input signal from 78K0 Data output signal for 78K0 Clock signal from 78K0 Digital po...

Page 42: ...1 GND 2 VIN 3 VOUT 1 2 3 VOUT RL VIN GND 2 1 3 Ref Vol S 81250SGUP X IC845 Regulator 1 Pin layout 2 Block diagram ...

Page 43: ...or 1 Pin layout 2 Pin function 3 Block diagram 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Quality indication output RDS data output Reference voltage output 0 5VDDA Multiplex signal input 5V supply voltage for analog part Ground for analog part 0V Sub carrier input to comparator Sub carrier output of reconstruction filter Oscillator mode test control input Test e...

Page 44: ...uts Column Address Inputs Data Input Output Chip Enable Output Enable Write Enable Power Supply Ground To provide memory address Row address define a sector Selects the byte within the sector To output data during read cycles and receive input data during write cycles Data is internally latched during a write cycle The outputs are in tri state when CE CE is high To active the device when CE is low...

Page 45: ... ohm 20k ohm 13k ohm 680 ohm 2 12k ohm BOTTOM PEAK 20k ohm 20k ohm 20k ohm 12k ohm 1 74k ohm 47k ohm 12k ohm 180k ohm 50uA 21k ohm 21k ohm 7 96k ohm 10k ohm 10k ohm 10k ohm 10k ohm 10pF 36pF 50k ohm 15k ohm 30k ohm 7 67k ohm 10k ohm 30k ohm 15k ohm 20uA 21k ohm 29k ohm 24k ohm 24k ohm 65uA 20pF 180k ohm 20pF 180k ohm 180k ohm 40pF 40pF I I I I SW3 SW2 SW1 1k ohm LCD 3 STATE DET 20pF TEO TEN TEB SE...

Page 46: ...1A 1 1B 2 1Y 3 2A 4 2B 5 2Y 6 GND 7 14 Vcc 13 4B 12 4A 11 4Y 10 3B 9 3A 8 3Y 2 Trouth table A L L H H B L H L H Y L L L H TC74VHCT08AF X IC856 Buffer 1 Pin layout ...

Page 47: ...1A 1 1B 2 1Y 3 2A 4 2B 5 2Y 6 GND 7 14 Vcc 13 4B 12 4A 11 4Y 10 3B 9 3A 8 3Y 2 Trouth table A H L H L B H H L L Y H H H L TC74VHCT32AF X IC857 Buffer 1 Pin layout ...

Page 48: ...al output terminal Sub code block sync signal output terminal Processor status signal readout clock output terminal Processor status signal output terminal Correction frame clock output terminal 7 35kHz Internal signal DSP internal flag and PLL clock output terminal Digital power supply voltage terminal Test input output terminal Normally keep at L level PLL double reference voltage supply termina...

Page 49: ...t terminal for internal signal Digital power supply voltage terminal Digital GND terminal General I O terminal This terminal control IO0 IO3 terminal Normally keep at open DAC test mode terminal Normally keep at open Test input terminal Normally keep at L level Test input output terminal Normally keep at L level Digital GND terminal Crystal oscillator connecting input terminal for DSP Crystal osci...

Page 50: ...inal Power save 2 CRUISE signal input terminal RDS serial clock input RDS data input Remote control signal input terminal Power supply terminal Power supply terminal Connect to ground Connect to ground Key control 0 input terminal Key control 1 input terminal Key control 2 input terminal Level meter signal input terminal S quality level input terminal S meter level input terminal Connect to ground...

Page 51: ...ut terminal Telephone mute signal detection input Amp mute Connect to ground DIMMER signal input terminal Power save 1 Power ON OFF select signal output terminal Power supply control terminal for CD Mute signal output terminal Non connect Non connect Non connect Power supply terminal Data output terminal Clock signal output terminal CF select signal input terminal Non connect LCD reset signal outp...

Page 52: ...REST is H in to the TEST mode Analog ground Connect to ground Connect to ground Serial colck output for RSC300 Data input from RSC300 Data output for RSC300 Mute output L Mute on Power supply control output for RSC300 H Power supply Data output for RSC300 Reset signal output for RSC300 J BUS I O select output H Output L Input Reset detection terminal Connect to ground Connect to ground X tal oscil...

Page 53: ...LCDCL LCDDA RESET REMOCON LCDRST LCDCE2 LCDCL LCDDA LED KEY0 KEY1 to CN701 to CN702 PICKUP FOCUS COIL TRACKING COIL M M M LOADING MOTOR FEED MOTOR SPINDLE MOTOR REST SWITCH SW1 SW4 CN501 LOADING REST SPINDLE FEED SW1 SW4 A B C D LD FOCUS TRACKING IC581 CD TRAY DOOR DRIVER IC501 RF AMP VA VB VC VD MD LD FEED SPINDLE TRACKING FOCUS LOADING IC521 DSP DAC SW1 SW4 REST SEL TEB TE SBAD FE RF RFGC RFAP F...

Page 54: ...10K 100 10 100 10 24K 24K 150K 33K 33K 4 7 25 4 7 25 47 16 4 7 25 10K 10K 27K 22 6 3 22 6 3 8 2K 1k 1 4W 330 UN2211 0 039 0 039 0 039 0 039 100P 1 50 100P 100P 100P 100P 100P 12K 100P 100P 10K 1K 0 047 MA152WA 12K 4 7 25 1SS355 4 7 25 390 4 7 25 100 10 100 10 2SB709A 47k UN2213 24K 24K DTC114EKA 470P 2SD601A UN2211 1K UN2211 150K 4 7K 4 7K 4 7K 33K 33K 8 2K 10k 47K 10k 8 2K 8 2K 10 16 10 16 10k 10...

Page 55: ...10K 10K 1000P 10K 0 1 10P 0 01 47 6 3 0 01 0 1 QGA2501F1 02 47u 2SB1241 100P 0 01 4 7 6 3 100 10 15P 3 15k QLL0059 001 0 1 10K 0 1 4 7k 4 7k 820 5600P 10K 0 1 680 820 0 1 220 12K 220 1K 15K 100P CL 190UB X X CL 190UB X X 390 390 NSW0041 001X 3 3K 4 7 6 3 220 3 3K 220 6 8K QGA2501F1 02 4 7K 100P 3 9K 4 7K 820P 820P NJM4565M 220 47 6 3 6 8K 6 8K 6 8K 10K TRACKING TRACKING VREF TMK TM0 TM1 CD8V CDON ...

Page 56: ... 10K 100 QAX0414 001 22p 22p QNS0076 002 QNS0076 001 0 022 100 16 4 7k 0 068 0 0 270 270 270 1000P 4 7K 2SB1241 UN2211 10 16 10K 10K 10 16 470 0 0056 47k DSK10C 0 1 10K 220 6 3 0 100 16 0 01 0 01 0 UN2111 47K 47K 47K 47K 47K 47K 47K QSK0079 001 47K 47 6 3 QGA2006C1 08 10 16 10 16 0 1 1SS355 0 01 0 47F 5 5 2A02 NQL114K 470X 2200 16 0 01 10K 2 2K 1 2K 2 7K MA3051 M X DSK10C 47 0 01 47K 390 QAX0612 0...

Page 57: ...74 74 75 14 34 31 24 48 48 27 26 44 54 54 42 54 55 45 53 64 60 62 64 64 64 53 28 43 46 57 39 55 54 54 54 41 40 46 25 53 32 33 35 26 27 48 50 29 22 19 19 20 18 13 13 13 77 76 77 30 21 50 52 15 23 7 36 103 107 105 106 104 17 17 17 83 87 85 85 81 80 87 97 96 83 82 13 12 79 84 79 79 99 99 63 61 59 58 65 Switch board Main board LCD board 112 112 111 111 109 110 108 83 ...

Page 58: ...2 LV41500 001A BUTTON B SUPORT 1 23 LV41545 001A BUTTON B GUIDE 1 24 LV31609 001A FRONT BKT ASS Y 1 25 LV20614 001A LOADING BKT ASS 1 26 WDM215025 WASHER 4 27 LV41503 001A ARM 3 2 28 LV31777 001A FFC GUIDE 1 29 LV31610 001A ROD GEAR 1 30 LV31604 001A BOTTOM ASS Y 1 31 QAR0029001 SA2 FEED MOTOR 1 FOR BKT MOTOR L 32 PPN13KA10C SA6 MOTOR 1 FOR BKT MOTOR R 33 LV40847 002A SPACER 1 MOTOR R 34 WJM0137 0...

Page 59: ...CARD WIRE 1 76 LV31734 001A NAME PLATE 1 77 LV41143 001A SHEET 2 79 GE40101 001A PIN CAP 8 80 LV30943 201A REAR BRACKET 1 81 LV30946 005A REAR HEAT SINK 1 82 LV40790 001A PIN CORD BRKT 1 83 QYSDST2604Z SCREW 3 84 LV41200 003A SPESIAL SCREW 2 85 QYSDST2606Z SCREW 2 87 QYSDST2604Z SCREW 2 90 QNZ0392 001 RUBBER CONNECTO 2 91 LV41450 001A LCD FILTER 1 92 LV31601 001A LCD CASE 1 93 LV31600 001A LIGHTIN...

Page 60: ... number Parts name Area A Parts list Q ty Description Block No M2MM 1 LV31826 001A TOP COVER 1 2 LV31827 001A BOTTOM CASE 1 3 LV41143 001A SHEET 1 4 LV41624 001A HOLE BASE 1 5 QAM0249 002 DIN CORD CABLE 1 6 QYSDST2606Z SCREW 3 7 QYSDST2606Z SCREW 2 8 LV41152 001B SPECIAL SCREW 2 Voice unit General assembly ...

Page 61: ...0 41 42 47 46 103 30 49 49 31 d 112 55 56 47 107 131 36 107 107 d 38 32 54 34 33 130 106 29 108 106 46 135 104 107 40 63 39 a 51 132 35 37 86 113 113 134 87 80 117 92 84 54 78 c 79 88 93 22 22 89 62 81 82 85 83 114 115 116 102 101 108 100 133 57 CD mechanism assembly and parts list Block No M M M 3 Grease G 31SA G 31SA Bottom side RX 405 TN CCD1001Z 138 ...

Page 62: ...L ARM SPRING 1 20 30310149T REAR DAM BKT Z 1 22 30310151T HUNG UP SP FZ 2 23 30310129T HUNG UP SP R 2 29 30300510T PU GEAR B 1 30 T T BASE Z 1 31 TURN TABLE Z 1 32 30310544T F M BASE Z 1 33 30310547T FD GR BLK Z 1 34 FD GR AZ 1 35 FD GR CZ 1 36 30310546T PU GUIDE Z 1 37 FD SCREW 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 42 303...

Page 63: ...92 30311129T LDG BELT 1 93 30311140T FRONT BRKT J 1 100 9C0620503T C B TAP SCREW 2 M2X5 101 9C2020401T C SCREW TS G 5 M2X4 102 9C4320403T C B TAP SCREW 4 M2X4 103 9C0117223T SCREW 2 M1 7X2 2 104 9C4217703T 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 110 9C0420253 C TAP SCREW...

Page 64: ...PACITOR 47MF 20 6 3V C 201 NCB21HK 153X C CAPACITOR C 202 NCS21HJ 681X C CAPACITOR C 203 QEKJ1HM 224Z E CAPACITOR 22MF 20 50V C 212 NBE21AM 475X TS E CAPACITOR C 218 NCB21HK 472X C CAPACITOR C 219 QEK41CM 106 E CAPACITOR 10MF 20 16V C 220 NCB21HK 471X C CAPACITOR C 241 QEKJ1HM 105Z E CAPACITOR 1 0MF 20 50V C 242 QEKJ1HM 105Z E CAPACITOR 1 0MF 20 50V C 243 NCS21HJ 331X C CAPACITOR C 244 NCS21HJ 331...

Page 65: ...1AM 227 E CAPACITOR 220MF 20 10V C 719 NCS21HJ 471X C CAPACITOR C 722 NCB21HK 222X C CAPACITOR C 723 NCB21HK 222X C CAPACITOR C 724 NCB21HK 222X C CAPACITOR C 754 NCB21EK 104X C CAPACITOR C 771 NCB21EK 473X C CAPACITOR C 791 QERF1HM 104Z E CAPACITOR 10MF 20 50V C 821 NCB21HK 183X C CAPACITOR C 822 NCB21EK 393X C CAPACITOR C 823 NCB21EK 393X C CAPACITOR C 824 NCB21EK 393X C CAPACITOR C 825 NCB21EK ...

Page 66: ... 6 7 X TRANSISTOR Q 132 2SD1048 6 7 X TRANSISTOR Q 161 2SD601A R X TRANSISTOR Q 231 2SD1048 6 7 X TRANSISTOR Q 232 2SD1048 6 7 X TRANSISTOR Q 321 UN2211 X TRANSISTOR Q 322 UN2211 X TRANSISTOR Q 323 2SD1048 6 7 X TRANSISTOR Q 501 2SB1241 QR T TRANSISTOR Q 581 2SB1241 QR T TRANSISTOR Q 701 DTC114EKA X TRANSISTOR Q 755 UN2211 X TRANSISTOR Q 791 UN2211 X TRANSISTOR Q 941 UN2211 X TRANSISTOR Q 942 UN22...

Page 67: ...J 102X MG RESISTOR R 301 NRSA02J 243X MG RESISTOR R 302 NRSA02J 243X MG RESISTOR R 303 NRSA02J 333X MG RESISTOR R 304 NRSA02J 333X MG RESISTOR R 305 NRSA02J 154X MG RESISTOR R 322 NRSA02J 103X MG RESISTOR R 323 NRSA02J 103X MG RESISTOR R 324 NRSA02J 104X MG RESISTOR R 325 NRSA02J 104X MG RESISTOR R 326 NRSA02J 103X MG RESISTOR R 327 NRSA02J 562X MG RESISTOR R 328 NRSA02J 153X MG RESISTOR R 329 NRS...

Page 68: ...ISTOR R 739 NRSA02J 473X MG RESISTOR R 740 NRSA02J 473X MG RESISTOR R 742 NRSA02J 103X MG RESISTOR R 743 NRSA02J 473X MG RESISTOR R 746 NRSA02J 473X MG RESISTOR R 747 NRSA02J 473X MG RESISTOR R 748 NRSA02J 473X MG RESISTOR R 749 NRSA02J 473X MG RESISTOR R 750 NRSA02J 473X MG RESISTOR R 751 NRSA02J 106X MG RESISTOR R 753 NRSA02J 473X MG RESISTOR R 754 NRS181J 102X MG RESISTOR R 757 NRSA02J 473X MG ...

Page 69: ...20 002X PUSH SWITCH S 652 NSW0120 002X PUSH SWITCH S 653 NSW0120 002X PUSH SWITCH TH951 NAD0021 103X THERMISTOR TH981 NAD0021 103X THERMISTOR TU 1 QAU0157 001 TUNER PACK VR 31 QVP0004 503Z SEMI V RESISTOR X 51 QAX0263 001Z CRYSTAL X 521 QAX0413 001Z CRYSTAL X 701 QAX0617 001Z CRYSTAL X 702 QAX0401 001 CRYSTAL Main board ...

Page 70: ... MG RESISTOR R 623 NRSA02J 821X MG RESISTOR R 624 NRSA02J 821X MG RESISTOR R 625 NRSA02J 471X MG RESISTOR R 626 NRSA02J 103X MG RESISTOR R 627 NRSA02J 221X MG RESISTOR R 628 NRSA02J 0R0X MG RESISTOR R 629 NRSA02J 102X MG RESISTOR R 630 NRSA02J 102X MG RESISTOR R 632 NRSA02J 221X MG RESISTOR R 633 NRSA02J 221X MG RESISTOR R 634 NRSA02J 221X MG RESISTOR R 635 NRSA02J 221X MG RESISTOR R 636 NRSA02J 8...

Page 71: ...HCT08AF X IC IC857 TC74VHCT32AF X IC IC871 HD74HC126FP X IC IC891 NJM2100M W IC J 851 QNS0076 001 DCS JACK J 852 QNS0076 002 CONNECTOR J 853 QNZ0111 001 JACK L 841 QQR0905 001 CHOKE COIL L 851 NQL114K 470X INDUCTOR Q 846 UN2211 X TRANSISTOR Q 847 2SB1241 QR T TRANSISTOR Q 851 2SB1241 QR T TRANSISTOR Q 852 UN2211 X TRANSISTOR Q 855 2SD601A R X TRANSISTOR Q 891 2SD1048X 6HL TRANSISTOR Q 892 UN2111 X...

Page 72: ...G RESISTOR R1016 NRSA02J 473X MG RESISTOR R1017 NRSA02J 473X MG RESISTOR R1018 NRSA02J 473X MG RESISTOR R1019 NRSA02J 103X MG RESISTOR R1020 NRSA02J 472X MG RESISTOR R1022 NRSA02J 103X MG RESISTOR R1023 NRSA02J 103X MG RESISTOR R1051 NRSA02J 271X MG RESISTOR X 851 QAX0612 001Z XTAL 14 31818M X 852 QAX0414 001Z CRYSTAL Voice board ...

Page 73: ...P6 P1 P4 P1 P5 P5 P2 A9 A13 A14 A15 A16 A21 A23 A22 A4 A8 A1 A3 A18 A20 A17 A19 P3 A24 Packing materials and accessories parts list Block No M M M 4 Block No M M M 5 ...

Page 74: ...INST BOOK 1 A 5 LVT0432 001B INST MANUAL 1 A 6 LVT0433 001B INST MANUAL 1 A 7 LVT0434 001B INST MANUAL 1 A 8 LVT0334 002A CAUTION SHEET 1 A 9 VKZ4027 202 PLUG NUT 1 A 10 VKH4871 001SS MOUNT BOLT 1 A 11 VKZ4328 001 LOCK NUT 1 A 12 WNS5000Z WASHER 1 A 13 FSKL4010 002 HOOK 2 A 14 RM RK32 REMOCON 1 A 15 QAB0014 001 BATTERY 1 A 16 QAM0267 001 CAR CABLE 1 A 17 QAN0036 002 MIC 1 A 18 QAL0229 002 KEY UNIT...

Search results

Summary of Contents for KD-LX50R

Reviews:

Related manuals for KD-LX50R

Brands by name

Popular brands

JVC KD-LX50R, Service Manual

Search results

Summary of Contents for KD-LX50R

Reviews:

Related manuals for KD-LX50R

Brands by name

Popular brands