Sony HCD-J3MD User Manual Download

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HCD-J3MD

SPECIFICATIONS

SERVICE MANUAL

COMPACT COMPONENT Hi-Fi SYSTEM

AEP Model

UK Model

E Model

Chinese Model

Model Name Using Similar Mechanism HCD-MD373

Mechanism Type

CDM55A-5SBD32

Base Unit Type

BU-5SBD32

Optical Pick-up Type

KSS-213BA/F-NP

Model Name Using Similar Mechanism HCD-MD373

Mechanism Type

MDM-5H

Optical Pick-up Type

KMS-260B/J1N

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism Type

CMAL1Z027A

SECTION

HCD-J3MD is the amplifir, CD, MD, TAPE deck
and tuner section in CMT-J3MD.

CASSETTE

SECTION

— Continued on next page —

Summary of Contents for HCD-J3MD

Page 1: ...SBD32 Base Unit Type BU 5SBD32 Optical Pick up Type KSS 213BA F NP Model Name Using Similar Mechanism HCD MD373 Mechanism Type MDM 5H Optical Pick up Type KMS 260B J1N Model Name Using Similar Mechanism NEW Tape Transport Mechanism Type CMAL1Z027A CD SECTION MD SECTION HCD J3MD is the amplifir CD MD TAPE deck and tuner section in CMT J3MD CASSETTE SECTION Continued on next page ...

Page 2: ...r History Display Mode Note Perform the self diagnosis function in the error history display mode in the test mode The following describes the least required procedure Be careful not to enter other modes by mistake If you set other modes accidentally press the MENU NO R button to exit the mode 1 When the power ON press the 1 button while pressing the s button and z TAPE button together 2 Press the...

Page 3: ... Refer to the following table for the details The error history can be switched by pressing the lm TUNING button or ML TUNING button Mode which erases the retry err total err and err history histories When returning the unit to the customer after completing repairs perform this to erase the past error history After pressing the SYNCHRO REC button and CD MD SYNC is displayed press the ENTER START b...

Page 4: ...s product is capable of emitting radiation exceeding the limit for Class 1 This appliance is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior This caution label is located inside the unit Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be damaged by heat Flexi...

Page 5: ...RAMS 6 1 Block Diagrams BD CD Section 45 BD MD Section 1 2 46 BD MD Section 2 2 47 Main Section 48 6 2 Circuit Boards Location 49 6 3 Printed Wiring Board BD CD Section 50 6 4 Schematic Diagram BD CD Section 51 6 5 Printed Wiring Board BD MD Section 52 6 6 Schematic Diagram BD MD Section 1 2 53 6 7 Schematic Diagram BD MD Section 2 2 54 6 8 Schematic Diagram MAIN Section 1 2 55 6 9 Schematic Diagr...

Page 6: ...manual Example MENU NO R Press the MENU NO button of the remote commander DRAWING OUT THE TRAY DURING POWER OUT CLEANING THE OPTIAL PICKUP CD PLAYER SERVICE POSITION OF THE MD MECHANISM SERVICE POSITION OF THE CD MECHANISM Tray CDM Move the cam block in the direction of arrow with a finger CD mechanism deck Optical pick up block Floating screw Clean the lens block with applicator MD mechanism deck...

Page 7: ... Remove the TRANS board together with back panel referring to MAIN Board and move it in the direction of the arrow 2 Remove the AMP board together with heat sink referring to POWER TRANSFORMER AMP Board exploded views and move it in the direction of the arrow Back panel TRANS board MAIN board Heat sink AMP board ...

Page 8: ...ODE button and MD 7 buttons together 2 Turn off the unit and reset is executed LED and Fluorescent Indicator Tube All Lit Key Check Mode Procedure 1 When the power ON press the 1 u button while pressing the PLAY MODE DIRECTION TUNING MODE button and CD 7 buttons together 2 LEDs and fluorescent indicator tube are all turned on 3 Press A MD to enter the model destination indecation mode MK 40J appea...

Page 9: ...he following order BASS TRE MAX t BASS TRE MIX t BASS TRE FLAT 6 Select the function TAPE using the FUNCTION button Set the test tape AMS 110A or AMS 120 7 Press PLAY MODE DIRECTION TUNIG MODE button to enter either j loop or h two way 8 Press the SYNCHRO REC button to start the AMS test 9 Number of AMS signals is counted during the AMS test and the message EDG means a number appears When the test...

Page 10: ...isplay Mode Mode for checking the history of errors which have occurred in the CD player Execute this mode after ending the aging mode Procedure 1 Press the FUNCTION button and set the function to CD 2 While pressing the s button and FUNCTION button press the 1 button 3 EMC EDC id displayed Number of mechanism errors Last 3 errors Number of errors NO DISC ERROR which occurred after chucking Last 3...

Page 11: ...t operations related 1 Operations stopped during chucking up 2 Operations stopped during chucking down Reading the BD Error History Display To switch the history press the REPEAT DOLBY NR STEREO MONO button Display E D SS Error number 00 is the latest Error details 01 Focus error 02 GFS error 03 Setup error Retry performed not performed 00 Determined as NO DISC without chucking retry 02 Determined...

Page 12: ... 3V For measuring IOP Check the deterioration of the optical pick up laser IOP For measuring IOP Check the deterioration of the optical pick up laser TEO TRK error signal Traverse adjustment VC Reference level for checking the signal RF RF signal Check jitter RF VC TEO For MDM 3 For MDM 5 IOP I 3V VC RF TEO IOP I 3V GND VC RF TEO IOP I 3V GND 1 5 1 6 CN110 RF 5P connector 6P connector VC TEO IOP I...

Page 13: ...G button or ML TUNING button To select the digit Press the SYNCHRO REC button and ENTER START button at the sawe time Note 1 Note 1 If a message Can not SYNC or NO TAPE appears momentarily press SYNCRO REC button several times until CD MD SYNC appears momentarily 6 When the ENTER YES R button is pressed the display becomes Measu is an arbitrary number 7 As the adjustment results are recorded for t...

Page 14: ... check 5 6 3 See page 37 Focus bias check 5 6 4 See page 38 C PLAY check 5 6 5 See page 38 Self recording playback check REC PLAY 5 6 6 See page 38 TEMP check Temperature compensation offset check 5 6 1 See page 36 Criteria for Determination Unsatisfactory if specified value is not satisfied Clean the optical pick up Adjust again Replace the optical pick up Replace the optical pick up Replace the ...

Page 15: ...erated normally due to hung up of the microprocessor etc Use of the RESET switch is recommended when the machine cannot exit the REtry CASE DISPLAY mode or a machine does not operate correctly after re assembling Procedure Press the S901 RESET button of the back panel on the MAIN board MAIN BOARD Component Side S901 RESET button ...

Page 16: ... 1 button and turn OFF the power When STNDBY disappears disconnect the power plug from the outlet If the test mode cannot be exited refer to Forced Reset on page 15 Hexadecimal Bit Binary Higher Bits Lower Bits 8 4 2 1 8 4 2 1 b7 b6 b5 b4 b3 b2 b1 b0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 When ADER was counted...

Page 17: ...will be added Example When 84 is displayed Higher bit 8 1000 n b7 Lower bit 4 0100 n b2 In this case as b2 and b7 are 1 and others are 0 it can be determined that the retry cause is combined of emphasis OFF monaural original copyright exists and write enabled Example When 07 is displayed Higher bit 0 1000 n All 0 Lower bit 7 0111 n b0 b1 b2 In this case as b0 b1 and b2 are 1 and others are 0 it ca...

Page 18: ...D TAPE play button s STOP button CD D play pause button MD D play pause button S TAPE pause button TAPE h H play button qd PLAY MODE button DIRECTION button TUNING MODE button qf REPEAT button DOLBY NR button STEREO MONO button qg FUNCTION button qh LINE IN jack 1 HS HS A A M m l L h H S qa qs q qf qg qh qd 1 HS HS A A M m l L h H S 4 6 5 1 2 3 7 8 9 Identifying the Parts Front Panel t CD MD t CD ...

Page 19: ...19 1 Reset switch 2 Speaker terminal 3 AM antenna termianal 4 FM antenna terminal 5 Power cord 1 3 2 4 5 Rear Panel This section is extracted from instruction manual ...

Page 20: ...20 ...

Page 21: ...Remove in the direction of the arrow 8 Case R Remove in the direction of the arrow 3 Two screws BVTP 3 10 7 Two screws BVTP 3 10 5 Screw iCase 3 TP 2 j 6 Two screws iCase 3 TP 2 j 1 Screw Case 3 TP 2 2 Two screws Case 3 TP 2 9 Three screws BVTP 3 10 2 Screw BVTP 3 10 7 Flat cable 25 core qa Front panel section q Two craws 6 Flat cable 25 core 8 Flat cable 35 core 3 Earth wire led 4 Earth wire bloc...

Page 22: ...el 5 Screw BVTP 2 6 8 3 Two screws BVTP 3 10 2 Screw BVTP 3 10 1 Screw BVTP 3 10 4 7 5 Screw BVTP 3 8 6 Eight screws BVTP 3 10 qf Two screws BVTP 3 6 9 Two screws BVTP 3 10 qd Flat cable 19 core qa Flat cable 15 core 2 Connector 2P 1 Connector 2P 3 Connector 5P qs Connector 5P q Trans board qg Main board Remove in the direction of the arrow 4 Connector 13P 8 Back panel Remove in the direction of t...

Page 23: ...eck 8 TC board 9 Connector 6P 7 Two craws 6 Two crews qh FR Belt qg Belt main q Screw BVTP 3 10 1 Screw BVTP 3 10 2 Nylon rivet DIA 3 5 3 Shield plate TC 4 Flat cable 12 core 5 Flat cable 25 core 1 Four screws BVTP 3 6 3 Two screws BVTP 3 16 4 Screw BVTT 3 6 2 Power transformer Remove in the direction of the arrow AMP board ...

Page 24: ...e direction of arrow C 0 Cam CDM55 3 Pull out the tray 5 Bushing C A B B Release 1 Pull out the tray in the arrow direction A and release the lock while pressing this claw in the arrow direction B 3 7 CD MECHANISM DECK 1 Screw BVTT 3 6 2 Flat cable 25 core 3 Connector 6P 4 CD mechanism deck Two claws ...

Page 25: ...k up for CD 4 Flat type wire 16 core 1 Release the lever in the arrow direction B B 2 Sled shaft 3 11 BD CD BOARD SPINDLE MOTOR M101 AND SLED MOTOR M102 IC102 IC101 M101 M102 IC103 2 Remove the four solders 1 Screw BVTP 2 6x8 Spindle motor M101 5 Sled motor M102 0 Sled shaft 6 Gear M 7 Flatness gear P 8 Two Insulators BU 9 Two Insulators BU 4 Two screws P 2x3 3 BD CD board ...

Page 26: ... M3 Note for installation of Slider CAM Set the shaft of Cam gear to be at the position in the figure Set the shaft of Lever O C to be at the position in the figure 6 Slider CAM 2 Bracket GUIDE L 5 Bracket GUIDE R 4 Two screws BTP 2 6x6 1 Two screws BTP 2 6x6 3 Leaf spring A When attaching the slider cam this part of the over write head should be inside arrow A 3 13 SLIDER CAM ...

Page 27: ... motor 3 Remove the two solders Read wire s color Red Black 4 Remove the two solders Sled motor 3 15 OVER WRITE HEAD 1 Flexible board 2 Screw P 1 7x6 3 Over write head HR901 3 16 OPTICAL PICK UP OF MD KMS 260B J1N 1 Screw B 2x8 3 Main shaft 2 Leaf spring SHAFT 4 Flexible board 5 Optical pick up for MD Note Turn the optical pick up inside out and pull out the flexible board ...

Page 28: ...INDLE MOTOR M901 and SLED MOTOR M902 MD 5 Spindle motor M901 7 Sled motor M902 4 Three screws B 2x5 6 Two screws P 1 7x2 5 1 Screw M1 7 3 Gear SL B 2 Gear SL A The BD MD board is soldered at two parts See page 24 ...

Page 29: ...the test mode is set Check will be displayed Pressing the lm TUNING button or ML TUNING button switches between the following four groups Nn Check Nn Adjust Nn Service Nn Develop Nn Procedure 2 Press the FUNCTION button and set the function to MD before hand When the power ON press the 1 button while pressing the s button and STAPE button together When the test mode is set TEMP CHECK will be displ...

Page 30: ...verse MO adjustment Traverse CD adjustment Focus bias adjustment Non volatile memory control Command transmission Status display Error history display clear Sled check Access check Outermost circumference check Head position check Same functions as CPLAY MODE Same functions as CREC MODE Initialization of non volatile memory of adjustment value Auto gain output level adjustment MO Auto gain output ...

Page 31: ... ML TUNING button and display CREC MODE 3 Press the ENTER YES R button to change the display to CREC MID 4 When access completes the display changes to CREC and z MD indicator lights up Note The numbers displayed show you the recording position addresses 2 Changing the parts to be recorded 1 When the ENTER YES R button is pressed during continuous recording the display changes as below When presse...

Page 32: ...PLAYS Each time the DISPLAY R button is pressed the display changes in the following order 1 Mode display Displays TEMP ADJUST CPLAYMODE etc 2 Error rate display Displays the error rate in the following way C1 AD C1 Indicates the C1 error AD Indicates ADER 3 Address display The address is displayed as follows MO recordable disc CD playback only disc Pressing the CLEAR R button switches between the...

Page 33: ...e ON CLV low speed mode ABCD adjustment completed Tracking offset cancel ON Tracking auto gain OK Focus auto gain OK Pit High reflection CLV S CLV LOCK MEANINGS OF OTHER DISPLAYS STOP CLV OFF Tracking servo ON Recording mode OFF CLV normal mode Tracking offset cancel OFF Groove Low reflection CLV A CLV UNLOCK Items shown correspond to the indicated button indicators When Off ...

Page 34: ...rding playback check Parts Replacement and Repair NG Has the OWH been replaced NO OK NO NO NO Has OP IC171 IC101 or IC121 been replaced YES YES Initial setting of the adjustment value Has OP or IC171 been replaced YES IOP information recording IOP value labeled on OP Has IC171 or D101 been replaced YES Temperature compensation offset adjustment Laser power adjustment Traverse adjustment Focus bias...

Page 35: ...J 2501 145 A NOTE 1 Oscilloscope Measure after performing CAL of prove Digital voltmeter Thermometer Jig for checking BD board waveform Parts No J 2501 149 A 5 When observing several signals on the oscilloscope etc make sure that VC and ground do not connect inside the oscilloscope VC and ground will become short circuited 6 Using the above jig enables the waveform to be checked without the need t...

Page 36: ... the digital volt meter to CN110 pin 5 I 3V and CN110 pin 4 IOP 2 Then press the lm TUNING button or ML TUNING button and display LDPWR CHECK 3 Press the ENTER YES R button once and display LD 0 9 mW Check that the reading of the laser power meter become 0 84 to 0 92 mW 4 Press the ENTER YES R button once more and display LD 7 0 mW Check that the reading of the laser power meter and digital volt m...

Page 37: ...CHECK 6 Press the ENTER YES R button and display c The first four digits indicate the C1 error rate the two digits after indicateADER and the 2 digits after c indicate the focus bias value Check that the C1 error is 50 or less and ADER is 2 or less 7 Press the ENTER YES R button and display b Check that the C1 error is 220 or less and ADER is 2 or less 8 Press the ENTER YES R button and display a ...

Page 38: ...ntil CD MD SYNC appears momentarily 6 When the ENTER YES R button is pressed the display becomes Measu is an arbitrary number 7 As the adjustment results are recorded for the 6 value Leave it as it is and press the ENTER YES R button 8 Complete will be displayed momentarily The value will be recorded in the non volatile memory and the display will become Iop Write Display Procedure 1 Press the lm ...

Page 39: ...s at intervals of approx 2 Adjust the waveform so that the specified value is satisfied as much as possible Write power traverse adjustment Traverse Waveform 3 Press the ENTER YES R button once and display LD 0 9 mW 4 Press the lm TUNING button or ML TUNING button so that the reading of the laser power meter becomes 0 85 to 0 91 mW Press the ENTER YES R button after setting the range knob of the l...

Page 40: ...ear connect the oscilloscope as shown in the following figure so that it can be seen more clearly 5 12 FOCUS BIAS ADJUSTMENT Adjusting Procedure 1 Load a test disk MDW 74 AU 1 2 Press the lm TUNING button or ML TUNING button and display CPLAY MODE 3 Press the ENTER YES R button and display CPLAY MID 4 Press the MENU NO R button when C1 AD is displayed 5 Press the lm TUNING button or ML TUNING butt...

Page 41: ...on and display a Check that the C1 error is 220 or less and ADER is 2 or less 9 Press the MENU NO R button next press the A MD button and remove the test disc Note 1 If the C1 error andADER are above other than the specified value at points a step 8 in the above or b step 7 in the above the focus bias adjustment may not have been carried out properly Adjust perform the beginning again 5 15 Auto Ga...

Page 42: ... signal waveform means that the shape can be clearly distinguished at the center of the waveform VOLT DIV 200mV TIME DIV 500ns level 1 45 0 3 Vp p CD SECTION Note 1 CD Block is basically constructed to operate without adjustment Therefore check each item in order given 2 UseYEDS 18 disc 3 702 101 01 unless otherwise indicated 3 Use an oscilloscope with more than 10MΩ impedance 4 Clean the object l...

Page 43: ...ions 1 Demagnetize the record playback head with a head demagnetizer 2 Do not use a magnetized screwdriver for the adjustments 3 After the adjustments apply suitable locking compound to the parts adjusted 4 The adjustments should be performed with the rated power supply voltage unless otherwise noted completed before performing recording circuit adjustment 5 The adjustments should be performed in ...

Page 44: ...451 R CH on the MAIN board to repeat steps 1 to 3 Adjustment level LINE OUT level 23 8 dB 0 5 dB 47 2 to 53 0 mV Adjustment Location TC board AF OSC LINE IN 315Hz 50 mV 23 8 dB blank tape CS 123 set attenuator 600 Ω recorded position set LINE OUT level meter Record level Playback level Record bias RV401 RV451 RV481 RV431 RV440 RV490 Record Bias Adjustment Procedure 1 Record mode AF OSC LINE IN 1 3...

Page 45: ...SD CH3OUTF CH3OUTR M 15 16 SP SP CH4OUTF CH4OUTR M M102 SLED MOTOR M101 SPINDLE MOTOR TFDR TRDR FFDR FRDR SRDR SFDR VC 16 FD PD LASER DIODE A C D B E F DETECTOR OPTICAL PICK UP BLOCK KSS 213BA NP LD POWER RF AC ASY1 48 38 42 43 39 41 40 28 26 29 ASY0 ASYMMETRY CORRECTION SFDR MDP SRDR 33 32 FRDR FFDR 31 30 42 TRDR TFDR SE CE TE FE RFDC CE VC SLED PWM GENERATOR FOCUS PWM GENERATOR TRACKING PWM GENE...

Page 46: ... FFDR FRDR TFDR TRDR SFDR SRDR FOCNT XLAT SCLK SWDT CSLED SE TE 26 28 32 30 ADFG ADIN ADFM 29 31 34 66 68 75 74 FE VC TE SE 33 67 36 37 35 64 63 65 AUX BOTM PEAK ABCD FE AUX1 BOTM PEAK ABCD 38 RF 57 RFI 59 60 61 62 ABCD AMP FOCUS ERROR AMP I J A B C D E F VC CVB TEMP AMP TEMPR TEMPI APC APCREF EQADJ 3TADJ WBLADJ TRACKING ERROR AMP OPTICAL PICK UP BLOCK KMS 260B J1N 48 47 46 40 RF AMP IC101 EFMO TX...

Page 47: ...N S RST P DOWN XINT SQSY DQSY MNT3 S LOCK MNT2 X BUSY MNT1 SHOCK MNT0 F OK SENS SRDT SCLK SWDT XLATCH LIMIT IN REFLECT PROTECT CHACKIN PACK OUT PB P REC P LDON WR PWR MOD LD IN LD OUT SDA SCL DIG RST 29 I2C CLK 30 I2C DATA 16 8 10 9 11 LD LOW 10 9 2 4 6 X302 10MHz LOADING SW Q350 A D D A CONVERTER IC201 IC202 IC202 SYSTEM CONTROL IC316 DATAO VINL1 VINR1 R CH R CH VOUTL VOUTR L3MODE L3CLK L3DATA BC...

Page 48: ...K POWER 3 F RY 4 HEADPHONE IC501 MASTER CONTROL SQ DATA IN 32 SENS 56 CD DATA 81 CD LAT 58 CD CLK 82 SCOR 19 SQ CLK 33 HOLD 57 59 32 56 81 58 82 19 33 57 OPEN SW 71 IN SW 70 LOAD IN 67 LOAD OUT 66 VOL A 86 MOTOR DRIVE IC211 6 5 2 10 M M103 LOADING MOTOR VOL B 87 XIN 15 ROTARY ENCODER S601 VOLUME 40 41 44 63 60 61 89 91 KEY 0 KEY 2 S602 620 23 26 LED DRIVE Q620 630 KEY 2 LED STANDBY 39 D601 608 D61...

Page 49: ...J CD c CD digital out E PB MD j REC MD p PB digital out l REC digital in Note on Printed Wiring Board X parts extracted from the component side x parts mounted on the conductor side a Through hole b Pattern from the side which enables seeing Q C E B These are omitted C E B These are omitted IC101 ª FE 1 2 3 4 IC101 yh XTAI IC101 ta RF AC IC101 FE IC101 MDP 5 3 1Vp p 16 9MHz 1 2Vp p PLAY 2 5V APPRO...

Page 50: ...HCD J3MD 50 50 6 3 Printed Wiring Board BD CD Section See page 49 for Circuit Boards Location Page 57 MAIN BOARD VC RF TE AGCCON FE FE1 ...

Page 51: ...tion See page 49 for Waveforms See page 71 for IC Block Diagrams See page 75 for IC Pin Functions Page 56 MAIN BOARD 2 2 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified ...

Page 52: ...cation Page 58 Page 58 Ref No Location D101 A 1 D181 D 3 D183 D 3 IC103 B 1 IC123 C 2 IC171 D 1 Q102 B 1 Q103 C 1 Q104 B 1 Semiconductor Location Ref No Location IC101 A 3 IC121 C 3 IC124 C 3 IC152 B 1 IC181 C 2 IC192 C 1 Q101 B 3 Q162 B 3 Q163 B 3 Q181 C 2 Q182 C 2 Semiconductor Location ...

Page 53: ...49 for Waveforms See page 69 for IC Block Diagrams See page 74 for IC Pin Functions Page 54 Page 54 Page 54 Page 54 Page 54 Page 54 Page 54 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified ...

Page 54: ...m BD MD Section 2 2 See page 49 for Waveforms See page 52 for Printed Wiring Board See page 70 for IC Block Diagrams Page 53 Page 53 Page 53 Page 53 Page 53 Page 53 Page 53 Page 59 Page 59 BA033FP E2 B C MD DIGITAL BOARD MD DIGITAL BOARD ...

Page 55: ...CD J3MD 55 55 6 8 Schematic Diagram MAIN Section 1 2 See page 57 for Printed Wiring Board See page 72 for IC Block Diagrams 16 D207 D208 1SS133 1SS133 EXCEPT HK MODEL HK EXCEPT HK MODEL C208 0 022 MODEL ...

Page 56: ...Section 2 2 59 51 68 65 1 R583 R584 1K HK 100K EXCEPT 2 R596 330 HK 4 7K EXCEPT 3 R597 4 7K HK 680 EXCEPT 4 C132 0 047 HK 0 1 EXCEPT HK 3 2 1 1 48 49 4 See page 49 for Waveforms See page 73 for IC Block Diagrams See page 77 for IC Pin Functions ...

Page 57: ...o Location D211 H 9 D221 B 7 D301 B 5 D302 B 4 D904 F 3 D905 F 3 D906 F 4 D908 D 4 D909 E 4 D910 E 4 D911 F 4 D941 F 4 D942 F 4 D943 G 4 D944 D 6 D945 D 6 D946 F 5 D947 G 4 IC211 H 9 IC231 D 9 IC301 B 5 IC302 B 3 IC501 H 7 IC901 D 2 IC902 D 2 IC903 E 2 IC904 D 3 IC905 D 3 IC906 E 5 IC907 E 3 IC908 D 4 IC909 E 2 IC931 F 3 IC941 F 4 Q231 D 8 Q301 B 4 Q351 A 6 Q542 C 3 Q551 F 7 Q552 G 6 Q902 E 5 Q903...

Page 58: ...HCD J3MD 58 58 6 11 Printed Wiring Board MD DIGITAL Section See page 49 for Circuit Boards Location Page 68 Page 57 Page 52 Page 52 R370 ...

Page 59: ...HCD J3MD 59 59 6 12 Printed Wiring Board MD DIGITAL Section See page 49 for Waveforms See page 71 for IC Block Diagrams Page 56 Page 68 Page 54 Page 54 R370 ...

Page 60: ...e 49 for Circuit Boards Location 66 57 14 14 1 2 A B C D 3 4 5 6 7 8 Ref No Location D801 B 7 D802 B 7 D832 D 5 D851 C 4 D852 B 5 D881 C 3 D882 B 2 IC801 A 5 Q801 B 7 Q802 B 7 Q841 C 7 Q851 C 8 Q852 B 5 Q871 C 7 Q872 C 7 Q873 C 7 Q881 C 2 Semiconductor Location ...

Page 61: ...HCD J3MD 61 61 6 14 Schematic Diagram AMP Section 67 55 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified ...

Page 62: ... CASSETTE DECK Section See page 49 for Circuit Boards Location 57 14 14 1 2 A B C D E 3 4 5 Ref No Location D471 B 4 D472 B 4 IC401 B 3 IC431 E 3 IC432 D 4 Q461 D 1 Q462 E 2 Q463 E 1 Q471 B 4 Q472 A 4 Q473 B 4 Q474 B 4 Semiconductor Location ...

Page 63: ...HCD J3MD 63 63 6 16 Printed Wiring Board CASSETTE DECK Section See page 73 for IC Block Diagrams 55 ...

Page 64: ... HK MODEL CN602 1 2 A B C D E F G H 3 4 5 6 7 8 9 10 57 Ref No Location D601 E 6 D602 B 7 D603 D 6 D604 B 2 D605 E 7 D606 D 7 D607 C 7 D608 B 7 D610 D 6 D611 E 6 IC601 D 3 IC602 B 3 Q601 E 2 Q602 D 2 Q620 D 5 Q621 E 6 Q622 C 6 Q623 C 6 Q624 C 6 Q625 C 2 Q626 F 6 Q627 F 6 Q628 F 6 Q629 C 6 Q630 D 5 Semiconductor Location ...

Page 65: ...HCD J3MD 65 65 6 18 Schematic Diagram PANEL Section 56 C684 0 1 EXCEPT HK MODEL CN602 EXCEPT HK MODEL ...

Page 66: ...T HK MODEL HK MODEL 1 2 A B C D E 3 4 5 6 7 Ref No Location D971 D 6 D972 D 6 D973 E 6 D974 D 6 D975 E 6 D976 E 6 D977 E 6 D978 E 6 D979 E 6 D980 D 7 D981 B 4 D982 B 5 D983 B 6 D984 B 5 D985 B 5 D991 D 5 D992 C 5 D993 C 5 Q971 D 6 Q972 E 7 Q973 E 7 Q974 E 7 Q975 E 7 Q976 E 7 Q991 C 5 Semiconductor Location ...

Page 67: ...D J3MD 67 67 6 20 Schematic Diagram POWER Section 55 EXCEPT HK MODEL HK MODEL The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified ...

Page 68: ...Schematic Diagram LOADING Section 6 24 Printed Wiring Board LOADING Section See page 40 for Circuit Boards Location See page 40 for Circuit Boards Location J MD DIGITAL BOARD Page 59 S1 LOADING SWITCH M103 LOADING MOTOR Page 56 MAIN BOARD 2 2 CLOSE GND OPEN LOAD LOAD CN1 H Page 57 MD DIGITAL BOARD Page 58 ...

Page 69: ...FM 28 SE 27 CSLED 26 TE 25 WBLADJ 24 VCC 23 3TADJ 22 EQADJ 21 VREF 20 F0CNT 19 XSTBY 18 XLAT 17 SCLK 16 SWDT 15 TEMPR 14 TEMPI 13 GND 12 APCREF 11 APC 10 PD 9 F 8 E 7 D 6 C 5 B 4 A 3 VC VI CONV BGR VREF SCRI PARA DECODE AUXSW COMMAND IVR GSW IV FF FBAL FF TG SEA 1 2 TG TEA WBL 3T EQ DET ADIP AGC WBL BPF22 BPFC ABCDA FEA WBL ATA CVB RFA1 1 2 1 2 GRVA CFST RFA2 GRV HLPT PTGR 2 1 1 2 BOTTOM PEAK RF A...

Page 70: ...70 AVDD 69 ADIO 62 CLTV 61 FILO 60 FILI 59 PCO 57 RFI 58 AVSS 56 BIAS 55 AVDD 54 ASYI 53 ASYO 52 MVCI 51 D3 68 VC 67 AUX1 66 FE 65 ABCD 64 BOTM 63 PEAK 50 D2 49 D0 48 D1 47 XWE 46 XRAS 45 A09 44 XCAS 43 XOE 42 DVSS 41 A11 40 A08 39 A07 38 A06 37 A05 36 A04 35 A10 34 A00 33 A01 32 A02 31 A03 30 DVDD 28 XBCK 29 FS256 26 DADT 27 LRCK 24 XBCKI 25 ADDT 23 LRCKI 22 DATAI 21 DOUT 20 DIN1 19 DIN0 18 XTSL ...

Page 71: ... CPU INTERFACE SERVO AUTO SEQUENCER SERIAL IN INTERFACE OVER SAMPLING DIGITAL FILTER 3rd ORDER NOISE SHAPER PWM PWM EFM DEMODULATOR TIMING LOGIC DIGITAL OUT D A INTERFACE DIGITAL PLL ASYMMETRY CORRECTION CLOCK GENERATOR MIRR DFCT FOK DETECTOR DIGITAL CLV SUBCODE PROCESSOR SERVO INTERFACE SERVO DSP FOCUS SERVO TRACKING SERVO SLED SERVO PWM GENERATOR FOCUS PWM GENERATOR TRACKING PWM GENERATOR SLED P...

Page 72: ... C SUR R VREF1 24k 10k 4 5k 22 5k 8 5k 3k 24k 10k 4 5k 22 5k 8 5k 3k TONE AMP2 BASE AMP2 BUFFER AMP2 MIC AMP MIX AMP2 MIX AMP1 BUFFER AMP1 BASE AMP1 TONE AMP1 10k REF AVCD AGND 51k 51k 34 7k 45 8k 19k 45 8k B A SW11 A B SW10 34 7k 44 7k 44 7k 44 7k 44 7k SW9 SW7 SW5 SW3 SW13 SW8 SW6 SW4 SW2 SURROUND SW SW1 100k 34 7k 34 7k 100k 100k 100k 100k 100k 100k 100k 100k 10k 1 5k 56k 56k 1 5k SW17 B SW17 C...

Page 73: ...HA 1 2 3 4 5 6 7 8 9 10 GND MOTOR DRIVE NOISE FILTER CLAMP FWD IN REV IN VCC 1 VCC 2 NOISE FILTER MOTOR DRIVE MOTOR DRIVE MOTOR DRIVE T S D O C P FWD REV STOP CONTROL LOGIC 1 2 3 4 5 6 7 8 9 INVERTER COMPARATER SW R1 GND SW P1 CONT GND VCC SW P2 GND SW R2 ...

Page 74: ...ower supply Center frequency setting pin for the internal circuit BPF22 Tracking error signal output to CXD2654R External capacitor connection pin for the sled error signal LPF Sled error signal output to CXD2654R FM signal output of ADIP ADIP signal comparator input ADFM is connected with AC coupling External capacitor connection pin for AGC of ADIP ADIP duplex signal output to CXD2654R I3 signal...

Page 75: ...nput Digital power supply Input pin for anti shock Connected to ground Microcomputer interface escape input A Connected to ground Microcomputer interface escape input B Connected to ground Microcomputer escape interface output WFCK output Not used Not used Not used Not used Not used Sub code sync output Not used Mirror signal input output Not used Defect signal input output Not used Focus OK input...

Page 76: ...arate voltage input Asymmetry circuit constant current input EFM signal input Analog ground Control voltage input for master VCO1 Filter output for master PLL Filter input for master PLL Charge pump output for master PLL Analog power supply Digital ground Digital power supply Digital out output pin D A interface LR clock output ƒ Fs Not used D A interface serial data output Not used D A interface ...

Page 77: ...utput FL chip select signal FL clock output M62428AFP IC301 latch signal output Sub clock signal output during test mode CD PAUSE FWD PLAY tape cassette FL switch ON H ON L OFF Standby relay ON OFF REV PLAY tape cassette L TAPE H LINE IN Function select signal output DIGITAL INPUT select signal output M62428AFP IC301 data output M62428AFP IC301 clock output STMUTE signal output Stereo signal input...

Page 78: ...EC output control L MUTE not used Not used Not used Volume control signal input A Volume control signal input B SIRCS signal input Key input MD record level signal input R Tape cassette deck half MD record level signal input L MODEL input signal Note used GND analog SPEC input Reference voltage input 5 V power Not used Pin No 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 ...

Page 79: ...91 696 11 WIRE FLAT TYPE 25 CORE 13 4 212 589 01 SCREW BVTPWH M3 STEP 14 4 224 111 01 HOLDER MD 15 4 951 620 01 SCREW 2 6X8 BVTP 16 4 221 097 01 BRACKET MDM 17 A 4426 083 A MD DIGITAL BOARD COMPLETE 18 1 777 240 11 WIRE FLAT TYPE 21 CORE 19 1 791 211 11 WIRE FLAT TYPE 23 CORE 20 1 773 213 11 WIRE FLAT TYPE 25 CORE 21 4 224 107 01 CASE R SILVER 21 4 224 107 11 CASE R METALLIC 21 4 224 107 21 CASE R...

Page 80: ...ANEL ORNAMENTAL SILVER 53 4 224 122 11 PLATE PANEL ORNAMENTAL METALLIC 53 4 224 122 21 PLATE PANEL ORNAMENTAL WHITE 54 4 951 620 01 SCREW 2 6X8 BVTP 55 X 4952 227 1 PANEL ASSY S FRONT SILVER 55 X 4952 230 1 PANEL ASSY X FRONT METALLIC 55 X 4952 231 1 PANEL ASSY W FRONT WHITE 57 4 216 729 41 LID CARTRIDGE 58 4 223 771 01 SPRING LID 59 4 224 137 01 INDICATOR MD 60 A 4426 950 A PANEL BOARD COMPLETE 6...

Page 81: ...R 106 A 4426 951 A AMPBOARD COMPLETE 107 A 4428 956 A MAIN BOARD COMPLETE HK 107 A 4473 393 A MAIN BOARD COMPLETE EXCEPT HK 108 A 4428 957 A TRANS BOARD COMPLETE HK 108 A 4473 394 A TRANS BOARD COMPLETE EXCEPT HK 109 1 791 694 11 WIRE FLAT TYPE 15 CORE 110 1 693 473 21 TUNER 111 4 224 108 01 COVER BACK EXCEPT HK 111 4 224 108 11 COVER BACK HK 112 1 770 019 11 ADAPTOR CONVERSION PLUG 3P HK UK 0T901...

Page 82: ...SULATOR R 158 4 996 225 01 BRACKET GUIDE L 159 4 988 466 21 SPRING ELECTROSTATIC LEAF 160 4 996 219 01 GEAR CAM GEAR 161 4 996 220 01 GEAR A 162 4 996 221 01 GEAR B 163 4 933 134 01 SCREW PTPWH M2 6X6 164 4 996 224 01 SCREW 1 7X3 PWH 165 4 996 227 04 LEVER HEAD 166 4 996 229 01 SPRING HEAD LEVER TORSION 169 4 996 214 01 SPRING SLIDER TENSION 170 4 996 216 01 SPRING HOLDER TENSION 171 4 210 396 01 ...

Page 83: ...ION 207 4 996 262 01 GEAR SL C 208 1 667 954 11 PCBOARD FLEXIBLE 209 4 210 664 01 BASE BU A 0210 A 4672 541 A OPTICAL PICK UP KMS 260B J1N 211 4 996 252 01 CHASSIS BU 212 4 996 254 01 BASE BU B 214 4 996 260 01 GEAR SL A 215 4 996 261 01 GEAR SL B 216 4 996 265 01 SHAFT MAIN 218 4 996 256 01 SL BASE 219 4 996 257 01 RACK SL 220 4 996 263 01 SPRING CLV TORSION 221 4 988 560 01 SCREW P 1 7X6 222 4 2...

Page 84: ...2 1 674 336 11 LOADING BOARD 253 4 220 231 01 TRAY CDM 254 4 220 229 01 LEVER SW 255 4 220 239 01 SPRING TORSION 256 4 220 237 01 GEAR A 257 4 220 238 01 GEAR B 258 4 220 234 01 PULLEY LDG 259 4 221 815 01 ROLLER 260 4 220 230 01 CHASSIS 261 4 221 816 01 BELT CDM55 262 4 221 916 01 BUSHING 263 A 4672 773 A PULLEY AT ASSY 264 4 985 672 01 SCREW PTPWHM2 6 FLOATING 265 4 220 233 01 CAM CDM55 266 4 95...

Page 85: ...ed 305 306 307 304 M102 10 308 301 302 304 M101 including zC 303 zC not supplied 7 301 4 951 620 01 SCREW 2 6X8 BVTP 302 A 4724 375 A BD CD BOARD COMPLETE 303 4 917 565 01 SHAFT SLED 304 4 951 940 01 INSULATOR BU 305 8 848 379 31 OPTICAL PICK UP KSS 213BA F NP 306 1 769 069 11 WIRE FLAT TYPE 16 CORE 307 4 917 567 01 GEAR M 308 4 917 564 01 GEAR P FLATNESS M101 X 4917 523 3 BASE OUTSART ASSY SPINDL...

Page 86: ...8 31 CERAMIC 330PF 10 50V C855 1 126 051 11 ELECT 47uF 20 00 50V C856 1 126 051 11 ELECT 47uF 20 00 50V C857 1 136 495 11 MYLAR 0 068uF 5 00 50V C858 1 136 495 11 MYLAR 0 068uF 5 00 50V C871 1 126 933 11 ELECT 100uF 20 00 16V C881 1 126 959 11 ELECT 0 47uF 20 00 50V C882 1 136 495 11 MYLAR 0 068uF 5 00 50V C883 1 136 495 11 MYLAR 0 068uF 5 00 50V C884 1 136 495 11 MYLAR 0 068uF 5 00 50V C885 1 136...

Page 87: ...117 1 163 809 11 CERAMIC CHIP 0 047uF 10 25V C118 1 163 038 91 CERAMIC CHIP 0 1uF 25V C119 1 125 822 11 TANTALUM 10uF 20 00 10V C121 1 125 822 11 TANTALUM 10uF 20 00 10V C122 1 163 021 91 CERAMIC CHIP 0 01uF 10 00 50V C123 1 163 038 91 CERAMIC CHIP 0 1uF 25V C124 1 163 038 91 CERAMIC CHIP 0 1uF 25V C127 1 163 038 91 CERAMIC CHIP 0 1uF 25V C128 1 163 021 91 CERAMIC CHIP 0 01uF 10 00 50V C129 1 107 ...

Page 88: ...6 025 91 RES CHIP 100 5 1 10W R125 1 216 025 91 RES CHIP 100 5 1 10W R127 1 216 025 91 RES CHIP 100 5 1 10W R129 1 216 295 91 SHORT 0 R130 1 216 295 91 SHORT 0 R131 1 216 073 00 METAL CHIP 10K 5 1 10W R132 1 216 097 91 RES CHIP 100K 5 1 10W R133 1 216 117 00 METAL CHIP 680K 5 1 10W R134 1 216 049 91 RES CHIP 1K 5 1 10W R135 1 216 061 00 METAL CHIP 3 3K 5 1 10W R136 1 216 049 91 RES CHIP 1K 5 1 10W...

Page 89: ...ECT 10uF 20 00 50V C312 1 136 165 00 MYLAR 0 1uF 5 00 50V C313 1 126 957 11 ELECT 0 22uF 20 00 50V C314 1 130 473 00 MYLAR 0 0015uF 5 50V C315 1 126 048 81 ELECT 10uF 20 00 50V C316 1 136 165 00 MYLAR 0 1uF 5 00 50V C317 1 136 165 00 MYLAR 0 1uF 5 00 50V C322 1 126 964 11 ELECT 10uF 20 00 50V C323 1 126 048 81 ELECT 10uF 20 00 50V C324 1 124 994 11 ELECT 100uF 20 00 10V C325 1 130 477 00 MYLAR 0 0...

Page 90: ...01 8 759 494 40 IC M62428AFP600C IC302 8 759 009 06 IC MC14052BF T1 IC501 8 759 647 26 IC M30620MC A18FP IC901 8 759 394 35 IC BA12T IC902 8 759 604 90 IC M5F7907L IC903 8 759 701 79 IC NJM7812FA IC904 8 759 450 49 IC BA07T IC905 8 759 701 75 IC NJM7805FA IC906 8 759 701 75 IC NJM7805FA IC907 8 759 701 75 IC NJM7805FA IC908 8 759 647 11 IC uPC2905HF IC909 8 759 071 48 IC TA7807S IC931 8 759 481 02...

Page 91: ...247 807 31 CARBON 100 5 1 4W R535 1 247 807 31 CARBON 100 5 1 4W R536 1 247 807 31 CARBON 100 5 1 4W R537 1 247 807 31 CARBON 100 5 1 4W R538 1 216 025 91 RES CHIP 100 5 1 10W R539 1 249 417 11 CARBON 1K 5 1 4W F R540 1 216 049 91 RES CHIP 1K 5 1 10W R541 1 216 049 91 RES CHIP 1K 5 1 10W R542 1 249 417 11 CARBON 1K 5 1 4W F R543 1 247 807 31 CARBON 100 5 1 4W R544 1 216 049 91 RES CHIP 1K 5 1 10W ...

Page 92: ...IC CHIP 0 1uF 25V C528 1 163 038 91 CERAMIC CHIP 0 1uF 25V C529 1 163 038 91 CERAMIC CHIP 0 1uF 25V C2001 1 163 259 91 CERAMIC CHIP 220PF 5 00 50V CONNECTOR CN101 1 793 311 11 CONNECTOR FFC LIF NON ZIF 25P CN102 1 784 687 41 PIN CONNECTOR PC BOARD 7P CN103 1 784 834 21 CONNECTOR FFC LIF NON ZIF 23P CN104 1 784 833 21 CONNECTOR FFC LIF NON ZIF 21P IC IC153 8 759 481 19 IC LB1830M S TE L IC201 8 759...

Page 93: ...223S TP15 z MD D603 8 719 056 13 DIODE SML79423C TP15 CD 7 D604 8 719 058 04 DIODE SEL5223S TP15 POWER D605 8 719 058 03 DIODE SEL5423E TP15 TAPE H D606 8 719 058 03 DIODE SEL5423E TP15 TAPE h D607 8 719 058 64 DIODE SEL5823A TP15 S TAPE D608 8 719 058 04 DIODE SEL5223S TP15 z TAPE D610 8 719 069 45 DIODE SELU5E23C TP15 MD ILUMINATION D611 8 719 069 45 DIODE SELU5E23C TP15 MD ILUMINATION FILTER FL...

Page 94: ...601 1 506 486 11 PIN CONNECTOR 7P SWITCH S601 1 572 126 21 SWITCH PUSH 1 KEY REC POSITION S602 1 572 126 21 SWITCH PUSH 1 KEY PACK OUT S604 1 771 264 11 SWITCH PUSH DETECTION 1 KEY A 4426 954 A TC BOARD COMPLETE CAPACITOR C402 1 130 479 00 MYLAR 0 0047uF 5 50V C403 1 136 165 00 MYLAR 0 1uF 5 00 50V C404 1 136 165 00 MYLAR 0 1uF 5 00 50V C405 1 126 795 11 ELECT 10uF 20 00 50V C406 1 115 871 11 ELEC...

Page 95: ...5 1 10W R434 1 216 107 00 METAL CHIP 270K 5 1 10W R435 1 216 075 00 METAL CHIP 12K 5 1 10W R436 1 249 409 11 CARBON 220 5 1 4W F R437 1 249 430 11 CARBON 12K 5 1 4W R439 1 249 409 11 CARBON 220 5 1 4W F R440 1 216 081 00 METAL CHIP 22K 5 1 10W R451 1 249 435 11 CARBON 33K 5 1 4W R452 1 249 421 11 CARBON 2 2K 5 1 4W F R453 1 247 807 31 CARBON 100 5 1 4W R455 1 249 421 11 CARBON 2 2K 5 1 4W F R456 1...

Page 96: ...TRANSISTOR 2SC2603TP EF RESISTOR 0R971 1 219 153 11 FUSIBLE 10 5 1 4W R972 1 260 103 11 CARBON 2 2K 5 1 2W R973 1 249 429 11 CARBON 10K 5 1 4W R974 1 249 413 11 CARBON 470 5 1 4W F R975 1 249 413 11 CARBON 470 5 1 4W F R976 1 249 429 11 CARBON 10K 5 1 4W R977 1 249 429 11 CARBON 10K 5 1 4W R978 1 249 441 11 CARBON 100K 5 1 4W 0R981 1 219 120 11 FUSIBLE 0 15 5 1 4W 0R982 1 219 121 11 FUSIBLE 0 22 5...

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