Sony HCD-MD373 Service Manual Download Page 98

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HCD-MD373

REVISION HISTORY

Clicking the version allows you to jump to the revised page.
Also, clicking the version at the upper right on the revised page allows you to jump to the next revised
page.

Ver.

Date

Description of Revision

1.1

2001.06

Addition of CD mechanism (CDM55C-5BD32) and base unit

(BU-5BD32).

(SPM-01016)

1.0

1999.08

New.

Summary of Contents for HCD-MD373

Page 1: ...ype CDM55A 5SBD32 CDM55C 5BD32 Base Unit Type BU 5SBD32 BU 5BD32 Optical Pick up Type KSS 213BA F NP Model Name Using Similar Mechanism MDS JE520 Mechanism Type MDM 5A Optical Pick up Type KMS 260B J1N CD SECTION MD SECTION HCD MD373 is the amplifir CD MD and tuner section in DHC MD373 Ver 1 1 2001 06 9 928 998 12 2001F0200 1 2001 6 Sony Corporation Home Audio Company Shinagawa Tec Service Manual ...

Page 2: ...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 u button while pressing the p MD button and r REC button together 2 Press the 0 MD CD TUNING button o...

Page 3: ...r 00 is the latest indicates the error code Refer to the following table for the details The error history can be switched by pressing the 0 MD CD TUNING button or MD CD 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 SYNC REC button and...

Page 4: ...LASS 1 LASER product The CLASS 1 LASER PROD UCT MARKING is located on the rear exterior This caution label is located inside the unit Abbreviation HK Hong Kong model SP Singapore model MY Malaysia model AR Argentine model AUS Australian model KR Korea model CH Chinese model JE Tourist model Parts No Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus...

Page 5: ...1 6 9 Printed Wiring Board SP Section 51 6 10 Printed Wiring Board Main Section 52 6 11 Schematic Diagram Main Section 1 3 53 6 12 Schematic Diagram Main Section 2 3 54 6 13 Schematic Diagram Main Section 3 3 55 6 14 Schematic Diagram MD Digital Section 56 6 15 Printed Wiring Board MD Digital Section 57 6 16 Schematic Diagram AMP Section 58 6 17 Printed Wiring Board AMP Section 59 6 18 Schematic D...

Page 6: ...pplicator Note 1 R As this unit has only a few buttons some operations require the use of remote commander provided with RM SJ373 unit 1 418 554 11 buttons These operations are indicated as R in this manual Example MENU NO R Press the MENU NO button of the remote commander DRAWING OUT THE TRAY DURING POWER OFF REMOVING THE INDICATION PLATE FL Note Follow the disassembly procedure in the numerical ...

Page 7: ...mechanism deck Main board Power board Amp board CN802 Extension cable 4P J 2501 042 A Extension cable 3P J 2501 045 A CN993 SERVICE POSITION THE MD MECHANISM SERVICE POSITION THE CD MECHANISM SERVICE POSITION THE POWER BOARD ...

Page 8: ...displays Key 0 Vol 0 Each time a button is pressed Key value increases However once a button is pressed it is no longer taken into account Vol Value increases like 1 2 3 if rotating VOLUME knob in the clockwise direction or decreases like 0 9 8 if rotating in the counterclockwise diretion 5 To exit from this mode press three buttons in the same procedure as step 1 or disconnect the power cord Note...

Page 9: ...ayback of last track CD tray open CD tray close 7 To end aging while pressing the PLAY MODE TUNING MODE button and CD button press the 1 u button Hot reset is executed Error History Display 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 ...

Page 10: ...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 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 as NO DI...

Page 11: ... 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 12: ...on the optical pick up To select the number Press the 0 MD CD TUNING button or MD CD TUNING button To select the digit Press the SYNC REC button 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 b...

Page 13: ... compensation offset check 5 6 1 See page 33 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 optical pick up Replace the optical pick up Replace the optical pick up If always unsatisfactory Replace the overwrite head Check for disconnection of the circuits around...

Page 14: ...appears disconnect the power plug from the outlet If the test mode cannot be exited refer to Forced Reset on page 8 Address Physical address on disc 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 track jump shock is detected Whe...

Page 15: ...e than two causes they 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 allowed 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...

Page 16: ... TUNER BAND button 11 FUNCTION button 12 MD CD 0 button 13 MD CD 0 button 14 CD indicator 15 6 CD button 16 LINE IN jack 17 r REC button 18 CD MD SYNC button 19 Disc tray 20 REPEAT STEREO MONO button 21 PLAY MODE TUNING MODE button 22 PHONES jack 23 Remote sensor 24 Display window SECTION 2 GENERAL Front Panel 1 2 3 4 6 5 7 8 9 10 11 22 24 23 21 20 19 15 18 17 16 12 13 14 ...

Page 17: ...17 This section is extracted from instruction manual ...

Page 18: ...18 ...

Page 19: ... Power transformer Page 21 Optical pick up CD Page 22 BD CD board Sled motor M102 Spindle motor M101 Page 23 Tray Gear and Cam section Page 22 MD base unit BD MD board Page 24 Slider CAM Page 24 CD base unit section Page 22 MD mechanism deck Page 23 Over write head section Optical pick up MD Page 25 Sled motor M902 Spindle motor M901 Page 25 Back panel Page 20 3 Case 2 Two screws Case 3 TP2 1 Two ...

Page 20: ...x10 6 Screw BVTT 3x6 8 Screw BVTT 3x6 9 Screw BVTT 3x6 7 Front panel block Two claws 0 MD mechanism block 3 Ground wire Black 4 Ground wire Red 2 Flat type wire 31 core Claw Claw Claw Claw Claw Hole Claw 3 Back panel Two claws 1 Three screws BVTP 3x10 2 Four screws BVTP 3x10 ...

Page 21: ...6 8 Screw BVTP 3x6 9 Two screws BVTT 3x6 Four screws BVTT 3x6 Power transformer 3 Connector 4P 6 Connector Amp board CN801 Take note of the claw 4 Connector 2P 5 Connector 2P 0 Connector 3P 3 5 CD MECHANISM DECK 1 Screw BVTT 3x6 2 Screw BVTT 3x6 4 Screw BVTT 3x6 6 CD mechanism deck Two claws 7 Flat type wire 19 core 3 Holder MDM 5 Connector 5P Two claws ...

Page 22: ...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 BASE UNIT 2 Remove the Holder BU assembly in the direction of arrow A A 1 Floating screw PTPWH M2 6 3 8 OPTICAL PICK UP SECTION OF CD KSS 213BA F NP 3 Optical pick up for CD 4 Flat type wire 16 core 1 Release the lever in the arrow direction B B 2 Sled shaft ...

Page 23: ...x8 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 3 10 MD MECHANISM DECK 2 Two Step screws BVTPWH M3 4 Connector 7P 6 Flat type wire 23 core 7 Bracket MDM 5 Flat type wire 21 core 3 MD mechanism deck 1 Two Step screws BVTPWH M3 ...

Page 24: ...et 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 11 SLIDER CAM 2 Base unit MBU 5A 1 Three screws BTP 2 6x6 5 Screw M 1 7x4 7 BD MD board 6 Flexible board 7 Flexible board CN104 CN101 CN110 Spindle motor 3 Remove the two solders Read wire s color Red Black 4 Remove the...

Page 25: ...Leaf spring SHAFT 4 Flexible board 5 Optical pick up for MD 3 15 SPINDLE 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 Note Turn the optical pick up inside out and pull out the flexible board ...

Page 26: ...ode is set Check will be displayed Pressing the 0 MD CD TUNING button or MD CD TUNING button switches between the following four groups Nn Check Nn Adjust Nn Service Nn De velop Nn Procedure 2 Press the FUNCTION button and set the function to MD When the power ON press the 1 u button while pressing the p MD button and SYNC REC button together When the test mode is set TEMP CHECK will be displayed ...

Page 27: ...ment Traverse 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...

Page 28: ...2 ress the 0 MD CD TUNING button or MD CD 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 r REC indicator lights up Note The numbers displayed shows you the recording position addresses 2 Changing the parts to be recorded 1 When the ENTER YES R button is pressed during continuous recording ...

Page 29: ... 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 groo...

Page 30: ...mode 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 ...

Page 31: ...ording 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 bia...

Page 32: ...st Disk MDW 74 AU 1 Parts No 8 892 341 41 Laser power meter LPM 8001 Parts No J 2501 046 A or MD Laser power meter 8010S Parts No J 2501 145 A 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 oscillo...

Page 33: ... 7 0 0 2 mW Digital voltmeter reading Optical pick up displayed value 10 Optical pick up label For details of the method for checking this value refer to 5 8 Recording and Displaying IOP Information 5 Press the MENU NO R button and display LDPWR CHECK and stop the laser emission The MENU NO R button is effective at all times to stop the laser emission Note 1 After step 4 each time the ENTER YES R ...

Page 34: ...low 220 and ADER is below 2 7 Press the ENTER YES R button and display b Check that the C1 error is below 220 and ADER is below 2 8 Press the ENTER YES R button and display a Check that the C1 error is below 220 and ADER is below 2 9 Press the MENU NO R button next press the 6 MD but ton and remove the test disc 5 6 5 C PLAY Checking MO Error Rate Check Checking Procedure 1 Load a test disk MDW 74...

Page 35: ...lay Procedure 1 Press the 0 MD CD TUNING button or MD CD TUNING button to display Iop Read 2 When the ENTER YES R button is pressed will be displayed and the recorded contents are displayed indicates the Iop value labeled on the pick up indicates the Iop value after adjustment 3 To end press the SYNC REC button or MENU NO R but ton to display Iop Read 5 9 TEMPERATURE COMPENSATION OFFSET ADJUTMENT ...

Page 36: ... step 4 each time the ENTER YES R button is pressed the display will be switched between LD 0 7 mW LD 6 2 mW and LD Wp Nothing needs to be performed here For details of the method for checking this value refer to 5 8 Recording and Displaying IOP Information 5 11 TRAVERSE ADJUSTMENT Connection Adjusting Procedure 1 Connect an oscilloscope to CN110 pin 3 TE and CN110 pin 1 VC of the BD board 2 Load ...

Page 37: ...this adjustment Note 2 If the traverse waveform is not clear connect the oscillo scope 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 0 MD CD TUNING button or MD CD TUNING button and display CPLAY MODE 3 Press the ENTER YES R button and display CPLAYMID 4 Press the MENU NO R button when ...

Page 38: ...the ENTER YES R button and display b Check that the C1 error is below 220 and ADER is below 2 8 Press the ENTER YES R button and display a Check that the C1 error is below 220 and ADER is below 2 9 Press the MENU NO R button next press the 6 MD but ton and remove the test disc Note 1 If the C1 error and ADER are above other than the speci fied value at points a step 8 in the above or b step 7 in t...

Page 39: ...ake sweep time as long as possible and light up the bright ness to obtain best waveform Checking Location BD CD board RF Level Check Procedure 1 Connect oscilloscope to test point TP RF and TP VC on BD board 2 Connect TP AGCCON and Ground of the BD CD board with lead wires 3 Press the 1 u button to turn the set ON 4 Put disc YEDS 18 in and playback 5track 5 Confirm that oscilloscope waveform is cl...

Page 40: ...CTION 6 DIAGRAMS 6 1 CIRCUIT BOARDS LOCATION TUNER UNIT is supplied as the assembled block SP board Amp board Power board MD digital board Panel board Tuner unit Main board Loading board BD MD board BD CD board SW board ...

Page 41: ...R 17 18 SD SD CH3OUTF CH3OUTR M 15 16 SP SP CH4OUTF CH4OUTR M M102 SLED MOTOR M101 SPINDLE MOTOR TFDR TRDR FFDR FRDR SRDR SFDR VC 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 ...

Page 42: ... 83 13 RECP APCREF 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...

Page 43: ...TA L3 MODE X OUT LEVEL L 3 X IN 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 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 V...

Page 44: ...Q932 MUTE SW Q551 MUTE SW Q841 B DBFB SW Q301 PROTECT SW Q872 873 DBFB DET D881 OVER LOAD DET Q802 871 RELAY DRIVE Q881 R CH R CH L R SPEAKER R CH PHONES S602 616 LED DRIVE Q607 610 D602 609 SIRCS IC602 ROTARY ENCODER S601 BD CD SECTION VOLUME SWITCH Q501 SWITCH Q974 30V REG Q971 D979 980 CHARGER Q921 VF SW Q972 973 VF VF AC IN RY901 RELAY DRIVER Q991 SWITCH Q975 RECTIFIER D975 978 RECTIFIER D971 ...

Page 45: ...riations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM E PB TAPE d PB TAPE G REC DECK B J CD c CD digital out E PB MD j REC MD p PB digital out l REC dihgital in Abbreviation AUS Australian model SP Singapore model MY Malaysia model JE Tourist model HK Hong Kong model AR Argentine model CH Chinese model KR korea model Note The components iden...

Page 46: ...HCD MD373 46 46 6 3 PRINTED WIRING BOARD BD CD SECTION See page 40 for Circuit Boards Location Page 52 MAIN BOARD TP VC TP RF TP AGC CON TP FE TP TE TP TEI ...

Page 47: ...373 47 47 6 4 SCHEMATIC DIAGRAM BD CD SECTION See page 45 for Waveforms See page 67 for IC Block Diagrams See page 69 for IC Pin Functions Page 55 MAIN BOARD 3 3 TP VC TP TE AGC CON TP FE TP TE1 TP RF TP FEI ...

Page 48: ...cation IC101 A 3 IC121 C 3 IC124 C 3 IC152 B 1 IC181 C 1 IC192 C 1 Q101 B 3 Q162 B 3 Q163 B 3 Q181 C 2 Q182 C 2 Ref No Location Semiconductor Location D101 A 1 D181 D 3 D183 D 3 IC103 B 1 IC123 D 2 IC171 D 1 Q102 B 1 Q103 C 1 Q104 B 1 Ref No Location Semiconductor Location Page 57 Page 57 ...

Page 49: ...CD MD373 49 49 Page 50 Page 50 Page 50 Page 50 Page 50 Page 50 Page 50 6 6 SCHEMATIC DIAGRAM BD MD SECTION 1 2 See page 45 for Waveforms See page 65 for IC Block Diagrams See page 71 for IC Pin Functions ...

Page 50: ...M BD MD SECTION 2 2 See page 45 for Waveforms See page 48 for Printed Wiring Board See page 66 for IC Block Diagrams BA033FP E2 Page 49 Page 49 Page 49 Page 49 Page 49 Page 49 Page 49 Page 56 Page 56 MD DIGITAL BOARD MD DIGITAL BOARD B C ...

Page 51: ...HCD MD373 51 51 6 9 PRINTED WIRING BOARD SP SECTION See page 40 for Circuit Boards Location 6 8 SCHEMATIC DIAGRAM SP SECTION Page 59 Page 52 SPEAKER R L Page 53 Page 58 ...

Page 52: ... 4 IC171 E 1 IC301 C 9 IC302 C 10 IC501 C 3 IC901 B 7 IC902 B 6 IC903 C 7 IC911 C 7 IC912 D 7 IC913 C 6 IC921 E 6 IC931 D 5 IC941 E 4 Q101 B 11 Q102 C 4 Q111 E 11 Q112 E 11 Q113 E 10 Q114 E 10 Q151 B 11 Q301 C 10 Q351 D 10 Q501 E 6 Q551 D 5 Q552 D 4 Q911 B 6 Q912 B 6 Q921 E 5 Q931 D 4 Q932 E 4 Q941 E 4 SHORT PIN Page 61 Page 64 Page 57 Page 46 Page 51 Page 63 14 9 1 8 C404 C407 C406 IC401 C405 C40...

Page 53: ...HCD MD373 53 53 6 11 SCHEMATIC DIAGRAM MAIN SECTION 1 3 See page 68 for IC Block Diagrams Page 55 Page 54 Page 54 Page 55 Page 54 Page 51 ...

Page 54: ...373 54 54 6 12 SCHEMATIC DIAGRAM MAIN SECTION 2 3 See page 52 for Printed Wiring Board See page 68 for IC Block Diagrams Page 62 Page 55 Page 55 Page 55 Page 55 Page 55 Page 55 Page 56 Page 53 Page 53 Page 53 ...

Page 55: ...AM MAIN SECTION 3 3 See page 45 for Waveforms See page 52 for Printed Wiring Board See page 68 for IC Block Diagrams See page 75 for IC Pin Functions Page 54 Page 53 Page 54 Page 54 Page 54 Page 54 Page 53 Page 54 Page 47 Page 64 Page 60 ...

Page 56: ...HCD MD373 56 56 6 14 SCHEMATIC DIAGRAM MD DIGITAL SECTION See page 45 for Waveforms See page 67 for IC Block Diagrams Page 54 Page 64 Page 50 Page 50 ...

Page 57: ...HCD MD373 57 57 6 15 PRINTED WIRING BOARD MD DIGITAL SECTION See page 40 for Circuit Boards Location Page 48 Page 48 Page 64 Page 52 ...

Page 58: ...HCD MD373 58 58 6 16 SCHEMATIC DIAGRAM AMP SECTION Page 51 Page 62 ...

Page 59: ...HCD MD373 59 59 6 17 PRINTED WIRING BOARD AMP SECTION See page 40 for Circuit Boards Location Page 51 Page 63 ...

Page 60: ...HCD MD373 60 60 6 18 SCHEMATIC DIAGRAM PANEL SECTION Page 55 ...

Page 61: ...ee page 40 for Circuit Boards Location Ref No Location Semiconductor Location D602 A 2 D603 A 2 D604 E 4 D605 A 3 D606 D 2 D607 D 2 D608 D 3 D609 A 8 IC601 C 6 IC602 C 8 Q601 C 3 Q602 C 3 Q604 A 1 Q605 A 1 Q606 E 6 Q607 A 1 Q608 C 2 Q609 E 1 Q610 E 3 Page 52 ...

Page 62: ...HCD MD373 62 62 6 20 SCHEMATIC DIAGRAM POWER SECTION Page 58 Page 54 ...

Page 63: ...ation D971 B 3 D972 B 2 D973 B 3 D974 B 2 D975 A 3 D976 A 3 D977 A 3 D978 A 3 D979 A 2 D980 A 3 D981 B 1 D982 A 1 D985 A 1 D986 A 5 D987 A 5 D991 A 4 D992 C 2 D993 C 2 Q971 B 2 Q972 A 5 Q973 A 5 Q974 A 4 Q975 B 3 Q991 B 3 Page 59 Page 52 F901 JW973 JW974 S991 VOLTAGE SELECTOR JW971 JW972 AEP UK EXCEPT AEP UK EXCEPT AEP UK AEP UK ...

Page 64: ...page 40 for Circuit Boards Location 6 24 SCHEMATIC DIAGRAM LOADING SECTION 6 25 PRINTED WIRING BOARD LOADING SECTION See page 40 for Circuit Boards Location Page 52 MD DIGITAL BOARD Page 57 J MD DIGITAL BOARD Page 56 S1 LOADING SWITCH M103 LOADING MOTOR Page 55 MAIN BOARD 3 3 CLOSE GND OPEN LOAD LOAD CN1 H ...

Page 65: ...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 66: ...8 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 17 OSCO 16 OSCI 15 TX 14 XINT 13 RECP 12 DQSY 11 SQSY 1...

Page 67: ...AMPLING 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 PWM GENERATOR 16K RAM ERROR CORRECTOR INTERNAL BUS A D CONVERTE...

Page 68: ... FBB1 VOL IN 1 TONE OUT 1 FTRE1 FBAS1 NFBAS1 INBAS1 REC OUT1 IN1D IN1C IN1B IN1A SUR 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 ...

Page 69: ... SENS signal output to CPU SENS serial data read out clock input Digital power supply Input pin for anti shock Connected to ground Microcomputer escape interface input A Microcomputer escape interface input B 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...

Page 70: ...etry comparate 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 i...

Page 71: ...uit BPF22 Tracking error signal output to the CXD2650R or CXD2652AR External capacitor connection pin for the sled error signal LPF Sled error signal output to the CXD2650R or CXD2652AR 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 the CXD2650R or CXD2652AR I3 signal temperatur...

Page 72: ...ut from the system control L Reset Subcode Q sync SCOR output to the system control L is output every 13 3 msec Almost all H is output Digital In U bit CD format or MD format subcode Q sync SCOR output to the system control Laser power switching input from the system control H Recording L Playback Interrupt status output to the system control Recording data output enable input from the system cont...

Page 73: ...from the CXA2523R Light amount signal input from the CXA2523R Focus error signal input from the CXA2523R Auxiliary A D input Middle point voltage 1 5V input from the CXA2523R Monitor output of the A D converter input signal Not used 3V power supply Analog A D converter operational range upper limit voltage input Fixed at H A D converter operational range lower limit voltage input Fixed at L Ground...

Page 74: ...king servo drive PWM output 3V power supply Digital Focus servo drive PWM output Focus servo drive PWM output 176 4 kHz clock signal output X tal Not used Sled servo drive PWM output Sled servo drive PWM output Spindle servo drive PWM output Spindle servo drive PWM output Test input Fixed at L Ground Digital EFM output when recording Abbreviation EFM Eight to Fourteen Modulation ...

Page 75: ...signal to pro logic Not used 24 PL DATA O Data signal to pro logic Not used 25 PL LAT O Latch signal to pro logic Not used 26 TIMER LED O Timer LED ON OFF Not used 27 PROTECTOR IN I Speaker protect signal input 28 MD RESET O MD reset signal output 29 IIC CLK I O I2C bus CLK input output 30 IIC DATA I O I2C bus DATA input output 31 TXQ Not used 32 SQ DATA I Subcode Q data input 33 SQ CLK O Subcode ...

Page 76: ...0 IN SW I Loading in signal input 71 OUT SW I Loading out signal input 72 LED O CD play 73 LED O MD disc in 74 LED O MD play 75 LED O MD pass 76 LED O CD pass 77 LED O CD disc in 78 LED O MD REC 79 STANDBY O Stand by 80 LED O Timer select Not used 81 CD DATA O CD data signal output 82 CD CLK O CD clock signal output 83 REC OUT CONT O REC out control L MUTE 84 85 JOG A JOG B Not used 86 VOL A I Vol...

Page 77: ...NT 5 4 930 336 71 FOOT FELT 6 4 962 708 61 EMBLEM 4 A SONY 7 4 216 729 41 LID CARTRIDGE 8 4 223 771 01 SPRING LID 9 4 221 099 01 FILTER FL 10 4 993 842 11 CASE 11 3 363 099 11 SCREW CASE 3 TP2 12 A 4426 073 A PANEL BOARD COMPLETE 13 4 221 103 01 HOLDER FL 14 4 951 620 01 SCREW 2 6X8 BVTP 15 A 4426 083 A MD DIGITAL BOARD COMPLETE 16 1 773 212 11 WIRE FLAT TYPE 25 CORE 17 1 791 211 11 WIRE FLAT TYPE...

Page 78: ...E 19 CORE 60 1 773 006 11 WIRE FLAT TYPE 15 CORE 61 1 569 972 21 SOCKET SHORT 2P 62 1 696 847 11 CORD POWER AUS 62 1 769 744 11 CORD POWER AEP UK HK JE MY SP KR CH 62 1 783 941 11 CORD POWER AR 63 1 569 008 21 ADAPTOR CONVERSION 2P JE 63 1 770 019 11 ADAPTOR CONVERSION PLUG 3P UK HK T901 1 433 965 11 TRANSFORMER POWER AEP UK T901 1 433 966 11 TRANSFORMER POWER EXCEPT AEP UK T900 1 433 969 11 TRANS...

Page 79: ...933 134 01 SCREW PTPWH M2 6X6 114 4 996 224 01 SCREW 1 7X3 PWH 115 4 996 227 01 LEVER HEAD 116 4 996 229 01 SPRING HEAD LEVER TORSION 117 4 996 212 01 LEVER LIMITTER 118 4 996 213 01 SPRING LIMITTER TORSION 119 4 996 214 01 SPRING SLIDER TENSION 120 4 996 216 01 SPRING HOLDER TENSION 121 4 210 396 01 SPRING LOCK TENSION 122 X 4951 631 1 SLIDER ASSY 123 X 4949 245 7 HOLDER ASSY 124 4 996 211 01 SLI...

Page 80: ...ORPTION 164 4 996 260 01 GEAR SL A 165 4 996 261 01 GEAR SL B 166 4 211 036 01 SCREW 1 7X2 5 PWH 167 4 996 265 01 SHAFT MAIN 168 4 996 256 01 SL BASE 169 4 996 257 01 RACK SL 170 4 996 263 01 SPRING CLV TORSION 171 4 988 560 01 SCREW P 1 7X6 HR901 1 500 502 11 HEAD OVER WRITE HR901 1 500 502 21 HEAD OVER WRITE S901 1 762 148 21 SWITCH PUSH 2 KEY M901 A 4672 474 A MOTOR ASSY SLED M902 A 4672 475 A ...

Page 81: ...233 01 CAM CDM55 211 4 221 816 01 BELT CDM55 212 4 221 916 01 BUSHING 213 A 4672 773 A PULLEY A T ASSY 214 4 985 672 01 SCREW PTPWHM2 6 FLOATING 215 4 220 230 01 CHASSIS 216 4 959 996 01 SPRING 932 COMPRESSION 217 A 4672 772 A HOLDER BU ASSY 218 4 221 817 02 SHAFT BU M103 A 4672 771 A MOTOR LD ASSY LOADING S1 1 771 799 11 SWITCH LEVER SLIDE LOADING SWITCH not supplied BU 5SBD32 not supplied not su...

Page 82: ...PICK UP KSS 213BA F NP 256 1 769 069 11 WIRE FLAT TYPE 16 CORE 257 4 917 567 01 GEAR M 258 4 917 564 01 GEAR P FLATNESS M101 X 4952 989 1 BASE OUTSART ASSY SPINDLE M102 A 4917 504 1 MOTOR ASSY SLED The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 255 256 257 254 M102 258 251 252 254 M101 including rC 253 rC 9 BU identificati...

Page 83: ... 1 674 336 11 LOADING BOARD 4 224 894 11 TRAY CDM55D 4 220 229 01 LEVER SW 4 220 239 01 SPRING TORSION 4 220 237 01 GEAR A 4 220 238 01 GEAR B 4 220 234 01 PULLEY LDG 4 221 815 11 ROLLER 4 220 233 01 CAM CDM55 4 221 816 11 BELT CDM55 1 452 925 21 MAGNET ASSY 4 985 672 01 SCREW PTPWHM2 6 FLOATING 4 227 236 01 CHASSIS 4 923 109 01 SPRING BU5 COMPRESSION A 4672 993 A HOLDER BU ASSY 4 221 817 11 SHAFT...

Page 84: ...including rC 353 rC 9 BU identification metal turntable without magnet Ver 1 1 2001 06 Part No Description Remark 4 951 620 01 SCREW 2 6X8 BVTP A 4724 375 A BD CD BOARD COMPLETE 4 917 565 01 SHAFT SLED 4 951 940 01 INSULATOR BU 8 848 379 31 OPTICAL PICK UP KSS 213BA F NP Part No Description Remark 1 769 069 11 WIRE FLAT TYPE 16 CORE 4 917 567 01 GEAR M 4 917 564 01 GEAR P FLATNESS X 4952 989 1 BAS...

Page 85: ...960 11 ELECT 1uF 20 50V C851 1 124 721 11 ELECT 10uF 20 50V C852 1 162 286 31 CERAMIC 220PF 10 50V C853 1 126 964 11 ELECT 10uF 20 50V C854 1 162 288 31 CERAMIC 330PF 10 50V C855 1 126 051 11 ELECT 47uF 20 50V C856 1 126 051 11 ELECT 47uF 20 50V C857 1 136 495 11 FILM 0 068uF 5 50V C858 1 136 495 11 FILM 0 068uF 5 50V C871 1 126 933 11 ELECT 100uF 20 16V CONNECTOR CN801 1 770 731 11 CONNECTOR BOAR...

Page 86: ... 11 CERAMIC CHIP 22PF 5 50V C153 1 163 038 91 CERAMIC CHIP 0 1uF 25V C154 1 110 501 11 CERAMIC CHIP 0 33uF 10 16V C156 1 163 235 11 CERAMIC CHIP 22PF 5 50V C157 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C159 1 163 019 00 CERAMIC CHIP 0 0068uF 10 50V C161 1 126 206 11 ELECT CHIP 100uF 20 6 3V C162 1 126 205 11 ELECT CHIP 47uF 20 6 3V C163 1 126 206 11 ELECT CHIP 100uF 20 6 3V C165 1 163 038 91 CERAM...

Page 87: ...50V C134 1 163 038 91 CERAMIC CHIP 0 1uF 25V C135 1 163 038 91 CERAMIC CHIP 0 1uF 25V C136 1 126 206 11 ELECT CHIP 100uF 20 6 3V C142 1 163 251 11 CERAMIC CHIP 100PF 5 50V C143 1 163 251 11 CERAMIC CHIP 100PF 5 50V C144 1 163 251 11 CERAMIC CHIP 100PF 5 50V C146 1 163 038 91 CERAMIC CHIP 0 1uF 25V C151 1 126 206 11 ELECT CHIP 100uF 20 6 3V C152 1 163 038 91 CERAMIC CHIP 0 1uF 25V C153 1 163 021 91...

Page 88: ... 10W R146 1 216 037 00 METAL CHIP 330 5 1 10W R147 1 216 025 91 RES CHIP 100 5 1 10W R148 1 216 045 00 METAL CHIP 680 5 1 10W R149 1 216 073 00 METAL CHIP 10K 5 1 10W R150 1 216 295 91 SHORT 0 R151 1 216 073 00 METAL CHIP 10K 5 1 10W R152 1 216 073 00 METAL CHIP 10K 5 1 10W R158 1 216 097 91 RES CHIP 100K 5 1 10W R159 1 216 097 91 RES CHIP 100K 5 1 10W R160 1 216 295 91 SHORT 0 R161 1 216 057 00 M...

Page 89: ...P 1 5K 5 1 10W R358 1 216 073 00 METAL CHIP 10K 5 1 10W R361 1 216 073 00 METAL CHIP 10K 5 1 10W R363 1 216 073 00 METAL CHIP 10K 5 1 10W R366 1 216 097 91 RES CHIP 100K 5 1 10W R367 1 216 097 91 RES CHIP 100K 5 1 10W R370 1 216 073 00 METAL CHIP 10K 5 1 10W R383 1 216 073 00 METAL CHIP 10K 5 1 10W R384 1 216 073 00 METAL CHIP 10K 5 1 10W R385 1 216 073 00 METAL CHIP 10K 5 1 10W R386 1 216 073 00 ...

Page 90: ...1 162 291 31 CERAMIC 560PF 10 50V AEP UK C405 1 126 933 11 ELECT 100uF 20 16V AEP UK C406 1 164 031 11 CERAMIC 33PF 5 50V AEP UK C407 1 164 031 11 CERAMIC 33PF 5 50V AEP UK C501 1 164 025 51 CERAMIC 18PF 5 50V C502 1 164 025 51 CERAMIC 18PF 5 50V C503 1 162 306 11 CERAMIC 0 01uF 30 16V C504 1 162 306 11 CERAMIC 0 01uF 30 16V C505 1 164 159 11 CERAMIC 0 1uF 50V C506 1 162 306 11 CERAMIC 0 01uF 30 1...

Page 91: ...603TP EF RESISTOR R101 1 249 441 11 CARBON 100K 5 1 4W R102 1 249 417 11 CARBON 1K 5 1 4W F R103 1 249 429 11 CARBON 10K 5 1 4W R104 1 249 417 11 CARBON 1K 5 1 4W F R105 1 249 441 11 CARBON 100K 5 1 4W R106 1 249 441 11 CARBON 100K 5 1 4W R111 1 249 393 11 CARBON 10 5 1 4W F R112 1 249 393 11 CARBON 10 5 1 4W F R113 1 249 437 11 CARBON 47K 5 1 4W R114 1 249 441 11 CARBON 100K 5 1 4W R121 1 249 413...

Page 92: ...F R543 1 249 417 11 CARBON 1K 5 1 4W F R544 1 249 417 11 CARBON 1K 5 1 4W F R545 1 249 417 11 CARBON 1K 5 1 4W F R547 1 247 807 31 CARBON 100 5 1 4W R548 1 247 807 31 CARBON 100 5 1 4W R549 1 247 807 31 CARBON 100 5 1 4W R550 1 247 807 31 CARBON 100 5 1 4W R551 1 249 437 11 CARBON 47K 5 1 4W R552 1 249 429 11 CARBON 10K 5 1 4W R553 1 249 417 11 CARBON 1K 5 1 4W F R554 1 249 417 11 CARBON 1K 5 1 4W...

Page 93: ...5820A TP15 CD D608 8 719 812 44 DIODE SEL5220S TP15 6 CD D609 8 719 812 44 DIODE SEL5220S TP15 I u STANBY FLUORESCENT INDICATOR FL601 1 517 901 11 INDICATOR TUBE FLUORESCENT IC IC601 8 759 297 23 IC M66004M8FP IC602 8 759 459 85 IC NJL63H400A JACK J601 1 764 106 21 JACK PHONES J602 1 764 106 21 JACK LINE IN TRANSISTOR Q601 8 729 620 05 TRANSISTOR 2SC2603TP EF Q602 8 729 620 05 TRANSISTOR 2SC2603TP...

Page 94: ...N CONNECTOR 3P AUS AR HK JE MY SP KR CH CN993 1 564 519 11 PLUG CONNECTOR 4P CN994 1 770 730 11 CONNECTOR BOARD TO BOARD 11P DIODE D971 8 719 200 82 DIODE 11ES2 TA2B D972 8 719 200 82 DIODE 11ES2 TA2B D973 8 719 200 82 DIODE 11ES2 TA2B D974 8 719 200 82 DIODE 11ES2 TA2B D975 8 719 200 82 DIODE 11ES2 TA2B D976 8 719 200 82 DIODE 11ES2 TA2B D977 8 719 200 82 DIODE 11ES2 TA2B D978 8 719 200 82 DIODE ...

Page 95: ...OXIDE 680 5 2W F AEP UK R891 1 216 454 11 METAL OXIDE 390 5 2W F AUS AR HK JE MY SP KR CH R892 1 260 076 11 CARBON 10 5 1 2W R893 1 260 076 11 CARBON 10 5 1 2W R894 1 260 076 11 CARBON 10 5 1 2W R895 1 260 076 11 CARBON 10 5 1 2W R896 1 215 891 11 METAL OXIDE 680 5 2W F AEP UK R896 1 216 454 11 METAL OXIDE 390 5 2W F AUS AR HK JE MY SP KR CH RELAY RY881 1 515 921 11 RELAY 12V TERMINAL TM881 1 537 ...

Page 96: ...3X16 TYPE2 TT B 3 7 685 871 01 SCREW BVTT 3X6 S 4 7 685 533 19 SCREW BTP 2 6X6 TYPE2 N S 11 7 685 534 19 SCREW BTP 2 6X8 TYPE2 N S 5 7 627 852 08 SCREW PRECISION P 1 7X2 5 6 7 621 772 40 SCREW B 2X8 7 7 621 772 20 SCREW B 2X5 8 7 685 133 19 SCREW DIA 2 6 IT3B 9 7 621 772 10 SCREW B 2X4 10 7 621 772 30 SCREW B 2X6 Ver 1 1 2001 06 ...

Page 97: ...HCD MD373 97 MEMO ...

Page 98: ...ump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 1 2001 06 Addition of CD mechanism CDM55C 5BD32 and base unit BU 5BD32 SPM 01016 1 0 1999 08 New ...

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